Flachleiter zur elektrischen Kontaktierung von Solarzellen (Zellverbinder) in Kombination mit einem Isolierstreifen

Elektrisch leitender Zellverbinder zur Kontaktierung von Rückseitenkontakt-Solarzellen in Kombination mit einem Isolierstreifen dadurch gekennzeichnet, dass der elektrisch leitende Zellverbinder (1) 3-D Formprägungen als Kontaktierflächen (1a) beinhaltet, welche in Form- und Position genau das Muster der Solarzellen-Kontaktflächen (4) einer Rückseitenkontakt-Solarzelle (3) abbilden.

Verbindung von Solarzellen in einem Solarzellenmodul

Solarzellenmodul mit: einer ersten Rückseitenkontakt-Solarzelle; einer zweiten Rückseitenkontakt-Solarzelle; einer Verbindung, die eine Rückseite der ersten Rückseitenkontakt-Solarzelle mit einer Rückseite der zweiten Rückseitenkontakt-Solarzelle koppelt; und einer Abschirmung, die zwischen der Verbindung und der ersten und der zweiten Rückseitenkontakt-Solarzelle angeordnet ist, wobei die Abschirmung ein Material aufweist, das die Verbindung visuell blockiert.

Solarzellenmodul

Bereitgestellt ist ein Solarzellenmodul mit verbesserter Zuverlässigkeit. Ein erstes Verdrahtungsmittelstück (32a) umfasst Verdrahtung (32a1), eine erste isolierende Schicht (32a2) und eine zweite isolierende Schicht (32a3). Die Verdrahtung (32a1) verbindet eine Solarzelle (20) und ein zweites Verdrahtungsmittelstück (32b) elektrisch. Die erste isolierende Schicht (32a2) bedeckt einen Teil der Oberfläche der Seite von Solarzellenmodul (20) der Verdrahtung (32a1). Die zweite isolierende Schicht (32a3) bedeckt einen Teil der Oberfläche der Verdrahtung (32a1), die der Seite von Solarzellenmodul (20) gegenüber liegt. Die ersten und zweiten isolierenden Schichten (32a2, 32a3) sind derart bereitgestellt, dass ein Teil der Verdrahtung (32a1) an der ersten isolierenden Schicht (32a2) freigelegt ist und ein anderer Teil der Verdrahtung (32a1) an der zweiten isolierenden Schicht (32a3) freigelegt ist. Ein Teil der Verdrahtung (32a1) ist elektrisch mit dem Solarzellenmodul (20) verbunden. Ein anderer ...

Rückseitenkontaktierte Solarzelle und Solarmodul mit rückseitenkontaktierten Solarzellen

Rückseitenkontaktierte Solarzelle (1) mit einer Halbleiterschicht (3), mehreren rückseitig auf der Halbleiterschicht (3) angeordneten Elektroden (5, 7) aufweisend Elektroden (5) einer ersten Polarität und Elektroden (7) einer zweiten Polarität derart, dass die Elektroden (5, 7) Basiselektroden und Emitterelektroden bilden, wobei die Basiselektroden durch ein flächiges Ineinandergreifen mit den Emitterelektroden einen Interdigitalbereich (9) bilden, und einer mit den Elektroden (5) der ersten Polarität elektrisch verbundenen Busschicht (53) zum Sammeln von elektrischem Strom aus den Elektroden (5) der ersten Polarität, wobei die Busschicht (53) zumindest abschnittsweise eine Mindestbreite derart aufweist, dass hierdurch zusätzliche Serienwiderstands- und/oder Rekombinationsverluste auftreten, wobei auf einer dem Interdigitalbereich (9) abgewandten Seite der Busschicht (53) rückseitig auf der Halbleiterschicht (3) zumindest abschnittsweise eine mit den Elektroden (7) der zweiten Polarität ...

Verfahren zur Herstellung eines Solarmoduls

Die Erfindung betrifft ein Verfahren zur Herstellung eines Solarmoduls aus einer Vielzahl von Solarzellen vom kristallinen Rückseitenkontakt-Typ, die über rückseitige Verbindungsleitungen kontaktiert und miteinander verschaltet sind.

Solarzellensystem, Solarzellenmodul und Verfahren zur elektrischen Verschaltung rückseitenkontaktierter Solarzellen

Solarzellensystem, Solarzellenmodul und Verfahren zur elektrischen Verschaltung rückseitenkontaktierter Solarzellen, wobei eine erste rückseitenkontaktierte Solarzelle (1) mit einer Rückseite (10), auf der Elektrodenfinger (11) angeordnet sind, die als Basis-Elektrodenfinger (110) und als Emitter-Elektrodenfinger (111) ausgebildet sind, eine zweite rückseitenkontaktierte Solarzelle (2) mit einer Rückseite (20), auf der Elektrodenfinger (21) angeordnet sind, die als Basis-Elektrodenfinger (210) und als Emitter-Elektrodenfinger (211) ausgebildet sind, und Zellverbinder (5) vorgesehen sind, die eine Mehrzahl Elektrodenfinger (11) der ersten Solarzelle (1) mit einer Mehrzahl Elektrodenfinger (21) der zweiten Solarzelle (2) verschalten, wobei auf mindestens einer der Solarzellen (1, 2) jeder verschaltete Elektrodenfinger (11, 21) mit jeweils einem der Zellverbinder (5) in elektrischem Kontakt steht, wobei der Zellverbinder (5) in einem Zellverbinderabschnitt (50) entlang des zugehörigen Elektrodenfingers ...

Solarzellenmodul und Verfahren zu dessen Herstellung

Solarzellenmodul mit einer Mehrzahl von auf einem mechanischen Träger angeordneten und über auf den Solarzellen-Rückseiten verlaufende Verbindungsleiter in vorbestimmter Schaltungskonfiguration verschalteten Solarzellen, wobei zur Realisierung der Verbindungsleiter ein auf einer Oberfläche abschnittsweise eine Leitschicht aufweisendes und lokal mit den Solarzellen elektrisch kontaktiertes Verschaltungs-Trägersubstrat mit einer elektrisch isolierenden Tragschicht oder ein Stapel derartiger Trägersubstrate vorgesehen ist, welches/welcher mit Isolations-Abstandshaltern und/oder einer isolierenden Zwischenschicht zu den Solarzellen-Rückseiten verlegt ist, wobei mindestens ein Teil von Kontaktabschnitten zur Kontaktierung der Solarzellen und/oder zur lokalen Verbindung mehrerer Leitschichten des Stapels miteinander durch mit einer galvanisch erzeugten Metallschicht metallisierte Durchgangslöcher oder Sacklöcher im Verschaltungs-Trägersubstrat oder Stapel gebildet sind.

Method for attaching solar cell to conducting film to produce solar cell module, involves soldering contact points, where melted solder passes through clearance holes from bottom and connects conducting film and solar cells with one another

The method involves applying fluxing agent drops in regions of contact points (6a-6d), where a conducting film (2) consists of multiple clearance holes (7) in the region of each contact point. Solar cells are arranged on an upper side of the film. The contact points are soldered by a solder wave, where melted solder passes through the clearance holes from bottom and connects the film and the solar cells with one another. Inner width of the clearance holes is not greater than 1 millimeter and/or 0.5 millimeter. The solder wave is produced by a miniwave soldering machine. An independent claim is also included for a device for attaching a solar cell to a conducting film by wave soldering, comprising a transport device.

PHOTOVOLTAISCHES MODUL UND VERFAHREN ZUM HERSTELLEN EINES PHOTOVOLTAISCHEN MODULS

For a photovoltaic module (10), which comprises at least one solar cell (11), which is coupled on a back side to an electrically conducting or conductive and structured layer (13) for conducting the electrical energy generated in the solar cell (11), wherein furthermore at least one transparent base layer (20) is provided on the surface of the solar cell (11) facing away from the electrically conducting layer (13) and a cover layer (19) is provided on the electrically conducting layer (13), wherein the electrically conducting and structured layer (13) can be contacted by means of connections (17) of a connection housing (14), wherein an electronic component (12) is associated with or is or can be integrated in the electrically conducting and structured layer (13), whereby simple and reliable integration of at least one electronic component (12) into a photovoltaic module (10) with simplified effort is made possible, the electronic component (12) is formed by an electronic open- or closed-loop ...

PHOTOVOLTAISCHES MODUL UND VERWENDUNG DESSELBEN

In a photovoltaic module (40) comprising a plurality of solar cells (41) each coupled, in particular at a rear side, to an electrically conducting or conductive and structured layer for conducting away the electrical energy generated in the solar cells (41, 47), wherein at least one transparent carrier layer is provided on that surface of the solar cells (41, 47) which faces away from the electrically conducting layer and a covering layer is provided on the electrically conducting layer, wherein the electrically conducting and structured layer can be contact-connected to connections of a connection housing, it is provided that a partial region of the photovoltaic module (40) relating to at least one solar cell (47) has a reduced transmissivity in comparison with the remaining partial region(s) of the photovoltaic module, and that said at least one solar cell (47) is coupled to a bypass diode known per se and/or is interconnected in particular in parallel with at least one adjacent solar ...

PHOTOVOLTAISCHES MODUL UND VERWENDUNG DESSELBEN

In the case of a photovoltaic module (1) which comprises a plurality of solar cells (5) which are each coupled to an electrically conducting or conductive and structured layer or structure (10) for discharging the electrical energy generated in the solar cells (5), wherein at least two subregions (2, 3) of the photovoltaic module (1) which each have at least one solar cell (5) are coupled to one another via a flexible connecting region (4) and can be folded or tilted along the flexible connecting region (4) into a position in which they are bent back with respect to one another and/or at least partially overlap one another, provision is made for the solar cells (5) to be coupled on the rear side of said solar cells to the electrically conducting or conductive and structured layer (10) which is covered by a cover layer (11), and for the electrically conducting or conductive and structured layer (10) to be integrated in a multilayered film arranged on the rear side of the solar cells (5), ...

Solar panel having photovoltaic units connected in series

High productivity spray processing for semiconductor metallization and interconnect

Processing equipment for the metallization of a plurality of workpieces are provided. The equipment comprising a controlled atmospheric region isolated from external oxidizing ambient with at least one deposition zone for the application of a metal layer on a workpiece. A transport 5 system moves the workpiece positioned in a batch carrier plat through the controlled atmospheric region.

Radially arranged metal contact fingers for solar cells

A solar cell includes negative metal contact fingers (401) and positive metal contact fingers (451). The negative metal contact fingers (401) are interdigitated with the positive metal contact fingers (451). The metal contact fingers (401, 451), both positive and negative, have a radial design where they radially extend to surround at least 25% of a perimeter of a corresponding contact pad (110). The metal contact fingers (401, 451) have bend points, which collectively form a radial pattern with a center point within the contact pad (110). Exactly two metal contact pads merge into a single leading metal contact pad that is wider than either of the exactly two metal contact pads.

Multi-junction compound solar cell, multi-junction compound solar battery, and method for manufacturing same

The purposes of the present invention are: to eliminate an electrode on a top cell (T) of a multi-junction compound solar cell, said electrode blocking solar light; to provide a multi-junction compound solar cell having a structure that is not easily broken in manufacture steps; and to shorten a manufacture lead time of a multi-junction compound solar battery. A multi-junction compound solar cell (10) has: a multi-junction cell laminate having the top cell (T) and a bottom cell (B); a transparent electrode (12), which is disposed on the light incoming surface of the top cell (T); a lower electrode (9a) having potential of the bottom cell (B); and a side-surface electrode (16a), which is disposed on the side surface of the solar cell (10) with an insulating layer (17) therebetween, and is electrically connected to the transparent electrode (12). In the multi-junction compound solar cell (10), the side-surface electrode (16a) is led out to the position of the lower electrode (9a).

Smart photovoltaic cells and modules

A back contact solar cell with on-cell electronics is provided. The back contact solar cell is comprised of a semiconductor substrate having a light capturing front side and a backside opposite the light capturing front side. A first interdigitated metallization pattern is positioned on the backside of the semiconductor substrate and a backplane supports and is attached to the backside of the semiconductor substrate. A second interdigitated metallization pattern positioned on the backplane and is connected to the first interdigitated metallization pattern. An on-cell electronic component is attached to the second interdigitated metallization pattern and electrical leads connect the on-cell electronic component to the second interdigitated metallization pattern.

PHOTO VOLTAIC MODULE WITH ENHANCED LIGHT COLLECTION

The present invention is applied to photo voltaic module enhanced light. In particular, the present invention relates to glass-glass and back contact photo photovoltaic modules with enhanced conversion efficiency in areas that are not usually active.

Weldable assembly of photovoltaic cells and film support with macro printed circuit uses film layer with holes corresponding with connection points on cells

Weldable assembly is made from a supple or rigid film support (103) with a macro-printed circuit on one side and a series of photovoltaic cells (102) on the other, and differs in that the film has holes (104) through it corresponding with the connection points on the backs of the cells so they can be welded or brazed to couple them electrically via the printed circuit. The cells, which are polygonal, quadrilateral or circular in shape and laid out so they adjoin one another, have at least one connecting point on each side. After welding the cells and support are sandwiched between layers (112) of suitable plastic film and glass outer layers (113).

Method for electrically connecting several solar cells and photovoltaic module

The invention relates to a method for metallizing and connecting solar cell substrates (1) and to a photovoltaic module (100) made of several metallized solar cells (20) that are electrically connected to one another. According to the invention, a solar cell substrate (1), in which second metal layers (2a, 2b) forming electrical metal contacts are optionally provided, is attached to a carrier substrate (4), on the surface of which at least one first metal layer (3) is formed in a suitable pattern. By localized irradiation of the metal layer (2, 3) with laser radiation (5, 6) through the solar cell substrate (1) or the carrier substrate (4), energy is introduced such that the metal layer (2, 3) is heated by absorbed laser radiation (4, 5) for an irreversible bonding to the adjacent surface of the solar cell substrate (1). By the laser bonding of the metal layer (3) on the carrier substrate (4) to the solar cell substrate (1), solar cells can be connected to form a photovoltaic module, wherein ...

Collector sheet for solar cell, and solar cell module using collector sheet for solar cell

Provided is a collector sheet for a solar cell, said collector sheet to be used in internal wiring of a solar cell module, and contributing to improvement of power generation efficiency. A collector sheet (5) for a solar cell is disposed, as internal wiring of a solar cell module (1), on the rear surface side of a solar cell element (4), and is provided with: a circuit (54), which is formed on the front surface of a resin base material (53), and which is configured of a wiring section (541) composed of a metal, and a non-wiring section (542); and an insulating layer (52), which is formed on the circuit (54). Light extraction to the solar cell element (4) due to reflection from the insulating layer (52) is increased, said insulating layer being disposed at the element periphery of the solar cell element (4), by having a white pigment contained in the insulating layer (52), and power generation efficiency is improved even in a back contact solar cell element.

Method of coupling photovoltaic cells and film for implementing it

Method for electrically connecting photovoltaic cells (102) together and for connecting the panels peripherally. The method comprises the use of a flexible film (103) composed of two layers of five materials having different properties. The film (103) has a plurality of through-holes (104) arranged so that they coincide with connection points (107) located on the rear face of the cells (102), so as to allow them to be electrically coupled via the printed macrocircuit (105). The electrical coupling operation is carried out in an automated manner by a lead-free wave soldering method. This method makes it possible for the cost of industrializing solar modules to be considerably reduced, by implementing a continuous method right from the start of the chain up to the lamination step.

Device for electrically interconnecting rear-face contacts type photovoltaic cells with each other in photovoltaic module, has electrically insulating portion insulating electrically conducting element from electrical contacts of cells

Dispositif (150) apte à interconnecter électriquement une première et une deuxième cellules photovoltaïques (102) comportant chacune, sur une face, des régions de semi-conducteur dopé selon deux types de conductivité différents, chacune desdites régions étant en partie recouverte par un contact électrique (110, 112), le dispositif comprenant : - un élément électriquement conducteur (152) formé d'une seule pièce de matériau apte à relier électriquement les contacts électriques recouvrant les régions de semi-conducteur dopé selon un même type de conductivité de la première cellule photovoltaïque avec les contacts électriques recouvrant les régions de semi-conducteur dopé selon un même type de conductivité de la deuxième cellule photovoltaïque, - des portions de matériau électriquement isolant disposées sur et/ou dans l'élément électriquement conducteur et aptes à isoler électriquement l'élément électriquement conducteur vis-à-vis des autres contacts électriques de la première et de la deuxième ...

BACK CONTACT SOLAR CELL MODULE AND MANUFACTURING METHOD THEREOF

BACK CONTACT SOLAR CELL MODULE AND MANUFACTURING METHOD THEREOF

COLLECTOR SHEET FOR SOLAR CELL AND SOLAR CELL MODULE EMPLOYING SAME

SOLAR CELL MODULE CAPABLE OF MAINTAINING INSULATION BETWEEN ADJACENT CELLS BY USING A LOWER PROTECTION LAYER AND A MANUFACTURING METHOD THEREOF

PURPOSE: A solar cell module and a manufacturing method thereof are provided to improve yield through the automation of a module manufacturing process by forming a lower protection layer made of siloxane liquid. CONSTITUTION: An interconnector(120) electrically connects adjacent solar cells(110). An upper protection layer(130) and a lower protection layer(140) protect the solar cells. The lower protection layer is made of hardened siloxane. A transparent member(150) is arranged on the upper protection layer toward the light receiving surfaces of the solar cells. A rear sheet(160) is arranged on the lower side of the lower protection layer in an opposite direction to the light receiving surface. COPYRIGHT KIPO 2011 ...

MONOLITHIC MODULE ASSEMBLY USING BACK CONTACT SOLAR CELLS AND METAL RIBBON

SOLAR CELL MODULE AND RIBBON ASSEMBLY

금속화를 위한 정렬

... 태양 전지 상에 금속 층의 형성. 금속 층의 형성은 패턴화된 금속 포일을 태양 전지 상에 배치하는 단계를 포함할 수 있으며, 여기서 패턴화된 금속 포일은 양의 버스바, 음의 버스바, 양의 버스바로부터 연장되는 양의 접촉 핑거, 음의 버스바로부터 연장되는 음의 접촉 핑거, 금속 스트립, 및 하나 이상의 탭을 포함한다. 양의 버스바와 음의 버스바 및 양의 접촉 핑거와 음의 접촉 핑거는 금속 스트립 및 탭에 의해 서로 연결될 수 있다. 금속 층의 형성은 패턴화된 금속 포일을 태양 전지에 결합하는 단계, 및 금속 스트립 및 탭을 제거하는 단계를 추가로 포함할 수 있다. 금속 스트립 및 탭을 제거하는 단계는 양 및 음의 버스바 및 접촉 핑거를 분리시킬 수 있다.

모노리식 섬 태양 전지 및 모듈용 시스템 및 방법

... 개시된 대상의 일 형태에 따르면, 모노리식 섬 태양 전지가 제공된다. 태양 전지는 광 수용 전측 및 상기 전측에 대향하는 후측을 포함하고 전기 절연 백플레인에 부착된 반도체층을 포함한다. 트렌치 분리 패턴은 반도체층을 전기 절연 백플레인 상에서 전기 절연 섬으로 분획한다. 베이스 및 에미터 전극을 갖는 제1금속층은 반도체층 후측 상에 위치된다. 비아 플러그에 의해 제1금속층에 연결되고 전지 상호연결을 제공하는 제2 패터닝된 금속층은 백플레인 상에 위치된다.

Solar cell and method of making same, solar cell module

A solar cell comprises a first conductivity type semiconductor substrate formed with a through hole, a second conductivity type impurity diffused layer disposed upon one side of the semiconductor substrate, a light-receiving surface electrode disposed upon one side of the semiconductor substrate and electrically connected with the impurity diffused layer, a derived electrode derived through the through hole to the other side of the semiconductor substrate and disposed to be electrically connected with the light-receiving surface electrode, and a back face electrode that is electrically connected with the semiconductor substrate and electrically separated from the derived electrode upon the other side of the semiconductor substrate, the derived electrode is constituted by filling a metal component made from an elemental metal inside the through hole, and is electrically connected with the light-receiving surface electrode through a conductive material.

Solar cell and module comprising the same

A solar cell and a module comprising the same are provided. The solar cell comprises a substrate, a passivation layer disposed on a back surface of the substrate, a plurality of openings respectively formed in the passivation layer, and a plurality of second electrodes respectively disposed in the openings and contacting the back surface. A structure extending and arranged along at least two different directions is formed among the openings without increasing the proportion of the area of the openings projected with respect to the passivation layer on the back surface. The structure permits the second electrodes disposed in the openings to contact the back surface uniformly, and an increase in the opportunity of transporting the carrier from the substrate, which results in an increase in the carrier collection capability. The formation of the structure without reducing an area proportion of the passivation layer permits maintenance of a better quality of the passivation layer improvement ...

METHOD AND APPARATUS FOR SOLDERING CONTACTS IN A SOLAR PANEL

The invention relates to a method and an apparatus for soldering electrical contacts in a solar panel, comprising a back sheet foil with a number of first contacts, a number of solar cells each having a number of second contacts, to be connected to the first contacts, a front layer and solder paste pads applied to the first contacts or second contacts, wherein heat is locally applied to the solder to make it melt and form connections after solidifying, wherein at least during the soldering the solar panel is compressed in the direction perpendicular to its main plane. The forces thus developed will compress the solar panel to such an extend that the forming of bulges is prevented and the quality of the solder joints is improved.

SOLAR CELL MODULE AND MANUFACTURING METHOD THEREOF

A solar cell module is provided, which includes a solar cell (10) with a first electrode and a second electrode (111) formed on one surface (11) of the solar cell, wherein the first electrode and the second electrode are separated from each other and the polarity of the second electrode is opposite to the polarity of the first electrode; an electric field arranged on the surface, wherein the polarity of the electric field is opposite to the polarity of the first electrode; a first conductive member (32), electrically connected to the first electrode; and an isolation layer (20), arranged between the surface of the solar cell and the first conductive member. Since an isolation layer is arranged between the back side of the solar cell and the first conductive member, a short circuit, caused by the contact of the first conductive member and the electric field at the back side of the solar cell, is avoided.

METHOD FOR MANUFACTURING SOLAR BATTERY CELL WITH WIRING BOARD, AND METHOD FOR MANUFACTURING SOLAR BATTERY MODULE

Provided is a method for manufacturing a solar battery cell with a wiring board, said method including a step for temporarily fixing a solar battery cell (8) and wiring board (10) by curing a first adhesive (31), and a step for completely fixing the solar battery cell (8) and wiring board (10) by heating and melting a conductive material (32) and then solidifying the conductive material (32). The first adhesive (31) includes a first resin which softens when heated to a temperature equal to or greater than the glass transition point even after being cured, the glass transition point of the first resin being lower than the melting point of the conductive material (32). Also provided is a method for manufacturing a solar battery module.

SHEET ASSEMBLY WITH ALUMINUM BASED ELECTRODES

Various methods for preparing and/or processing electrically conductive aluminum members such as used in electronic circuits and components are described. Also described are various sheet assemblies using patterned aluminum conductive elements as components of electric circuitry. The sheet assemblies can be used as backsheets for back contact photovoltaic cells or as antennas for RFID tags.

Solar cell module

A plurality of solar cells are arranged in a first direction and each provided with first and second electrodes on a one main surface side thereof. A wiring member includes a conductive layer and a resin sheet supporting the conductive layer, the conductive layer electrically connecting the first electrode of one of the solar cells adjacent to each other in the first direction to the second electrode of another one of the solar cells. An adhesive layer bonds the wiring member to each of the solar cells. The wiring member includes a first bonded portion bonded to the one solar cell via the adhesive layer, a second bonded portion bonded to the other solar cell via the adhesive layer, and a connection portion connecting the first bonded portion and the second bonded portion together, and an opening is provided in the conductive layer in the connection portion.

BACK CONTACT PHOTOVOLTAIC MODULE WITH GLASS BACK-SHEET

An integrated back sheet for a back-contact solar cell module and a back-contact solar cell module made with an integrated glass back-sheet are provided. Processes for making such integrated back-sheets and back-contact solar cell modules are also provided. Elongated electrically conductive wires are mounted on a layer of the integrated back-sheet adhered to the glass back-sheet. The elongated electrically conductive wires of the integrated back-sheet electrically connect to solar cell back contacts when the back-sheet is used in a back-contact photovoltaic module. 1. A process for making an integrated back-sheet for a back contact solar cell module with a plurality of electrically connected solar cells , comprising:providing a polymeric wire mounting layer having opposite first and second sides and having a lengthwise length and direction and a crosswise direction perpendicular to the lengthwise direction;providing a plurality of elongated electrically conductive wires and adhering said plurality of electrically conductive wires to the first side of said polymeric wire mounting layer in the lengthwise direction of said polymeric wire mounting layer, said electrically conductive wires being substantially aligned with the lengthwise direction of said polymeric wire mounting layer, said plurality of electrically conductive wires each having a cross sectional area of at least 70 square mils along their length, said plurality of electrically conductive wires not touching each other upon being adhered to said polymeric wire mounting layer, and said plurality of electrically conductive wires extending at least two times the length of a solar cell of the back-contact solar cell module;providing a glass back-sheet, and adhering said second side of said polymeric wire mounting layer to said glass back-sheet;providing a polymeric interlayer dielectric layer having opposite first and second sides and having a lengthwise length and direction and a crosswise direction ...

ELECTRICAL TERMINATIONS FOR FLEXIBLE PHOTOVOLTAIC MODULES

In a photovoltaic module, the solar cells and other necessary layers may be placed on a backsheet. The backsheet is configured to provide physical protection of the underside of the module and also provide physical protection to electrical terminals by wrapping itself around the connections. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

SOLAR BATTERY MODULE AND METHOD FOR PRODUCING SAME

A solar cell module includes a solar cell, a wiring member electrically connected to the solar cell, a light-receiving-surface encapsulant and a back-surface encapsulant that cover the solar cell, a light-receiving-surface protecting member; and a back-surface protecting member. The back-surface protecting member does not contain a metal foil. A back-side metal electrode contacts the back-surface encapsulant. The arithmetic mean roughness of the surface of the back-side metal electrode that contacts the back-surface encapsulant is less than 0.1 μm. The back-surface encapsulant comprises a crosslinked olefin resin. 1. A solar cell module comprising:a solar cell;a wiring member electrically connected to the solar cell;an encapsulant covering the solar cell, the encapsulant comprising a light-receiving-surface encapsulant and a back-surface encapsulant;a light-receiving-surface protecting member provided on a light-receiving side of the solar cell; anda back-surface protecting member provided on a back side of the solar cell,wherein the solar cell comprises a photoelectric conversion section, and a back-side metal electrode provided on a back surface of the photoelectric conversion section,wherein the light-receiving-surface encapsulant is provided between the solar cell and the light-receiving-surface protecting member,wherein the back-surface encapsulant comprises a crosslinked olefin resin, and is provided between the solar cell and the back-surface protecting member,wherein the back-surface protecting member does not comprise a metal foil,wherein the back-side metal electrode comprises a principal electroconductive layer and a surface in contact with the back-surface encapsulant, andwherein the surface in contact with the back-surface encapsulant has an arithmetic mean roughness of less than 0.1 μm.2. The solar cell module according to claim 1 , wherein a gel fraction of the back-surface encapsulant is 50% or more.3. The solar cell module according to claim 1 , ...

Device for interconnecting photovoltaic cells having contacts on their back side, and module comprising such a device

The invention relates to a device for interconnecting photovoltaic cells having contacts on their back side, comprising at least one layer of a woven produced from electrically insulating fibers, comprising at least one thread or tape section made of an electrically conductive material woven with said fibers and arranged so as to be flush with the surface of at least one region of the woven in order to form an electrical contact region intended to be connected to a contact pad located on the back side of a cell. The invention also relates to a module of interconnected photovoltaic cells having contacts on the back side, comprising an interconnecting device arranged along the back side of the cells, and a process for manufacturing such a module.

WIRE-BASED METALLIZATION AND STRINGING FOR SOLAR CELLS

Wire-based metallization and stringing techniques for solar cells, and the resulting solar cells, modules, and equipment, are described. In an example, a substrate has a surface. A plurality of N-type and P-type semiconductor regions is disposed in or above the surface of the substrate. A conductive contact structure is disposed on the plurality of N-type and P-type semiconductor regions. The conductive contact structure includes a plurality of conductive wires, each conductive wire of the plurality of conductive wires essentially continuously bonded directly to a corresponding one of the N-type and P-type semiconductor regions.

WIRING SHEET, SOLAR CELL WITH WIRING SHEET, SOLAR CELL MODULE AND WIRING SHEET ROLL

An interconnection sheet (10), a solar cell with the interconnection sheet, a solar cell module, and an interconnection sheet roll satisfy a relationship of Y ≤ Z < X, where X represents a maximum linear distance in a first direction (50) from a connection portion (21a) connecting a wire for n type (12) and a first connecting wire (14a) to a connection portion (21b) connecting a wire for p type (13) and a second connecting wire (14b), Y represents a maximum length of an alternating array portion (20) in the first direction (50), and Z represents a maximum length of the alternating array portion (20) in a second direction (51). Furthermore, a solar cell with an interconnection sheet, and a solar cell module have a gap (18) between an end of the wire for n type (12) at the opposite side of the first connecting wire (14a) and the second connecting wire (14b) and between an end of the wire for p type (13) at the opposite side of the second connecting wire (14b) and the first connecting wire ...

PHOTOVOLTAIC CELL INTERCONNECT

СПОСОБ СОЕДИНЕНИЯ ФОТОЭЛЕКТРИЧЕСКИХ ФОТОЭЛЕМЕНТОВ И ПЛЕНКА ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

... 1. Способ, обеспечивающий электрическое соединению фотоэлектрических элементов (102) друг с другом и периферийное соединение элементов (102) с коммутационным блоком (116), отличающийся тем, что он содержит следующие стадии: ! подачу гибкой пленки (103) непрерывно или с помощью подающего устройства, причем указанная пленка (103) получена соединением листа материала, стойкого к воздействию ультрафиолетового излучения, с листом электроизоляционного материала, стойкого к воздействию высоких температур, при этом указанная пленка содержит на своей верхней стороне множество сквозных отверстий (104), выполненных таким образом, что они совпадают с соединительными точками (107), расположенными на задней стороне фотоэлектрических элементов (102), и на ее нижней стороне расположена печатная макросхема (105), позволяющая выполнять соединения между элементами (102), ! остановку гибкой пленки (103) у паяльной маски, причем указанная маска прилегает к сторонам пленки, содержащей печатную макросхему (105 ...

ЭЛЕМЕНТ СОЛНЕЧНОЙ БАТАРЕИ ТИПА ТЫЛЬНОГО КОНТАКТА

Photovoltaic module, has electrical contact plate connecting adjacent solar cells, and embossed region engaging insulation foil without contacting other contact sections for contacting contact points of solar cells

The module has solar cells (1), and an electrical contact plate provided for connecting adjacent solar cells with each other. The connecting unit comprises two electrical conductors that lie one above the other. An embossed region (17) is formed at a contact section of the conductors. The embossed region engages an insulation foil (20) without contacting other contact sections for contacting contact points (2,3) of the solar cells. Independent claims are also included for the following: (1) electrically contacting a solar cell; and (2) the production of a photovoltaic module.

Film for back contact of solar cell utilized for power production, has conductive diffractive optical structure comprising photonic crystal, where structure is arranged on flexible conductive substrate, which comprises metallization part

The film (1) has a conductive diffractive optical structure arranged on a flexible conductive substrate (2). The diffractive optical structure comprises a photonic crystal (3) e.g. two- or three-dimensional photonic crystal. The substrate comprises a supplementary metallization part. The photonic crystal comprises an inverted face centered cubic structure, an inverted hexagonal dense ball package, an inverted woodpile structure or an inverted opal. The photonic crystal comprises cavities, which are filled with transparent dielectric material with low refractive index, air or polymer balls. Independent claims are also included for the following: (1) a method for manufacturing a film (2) a method for manufacturing a solar cell.

Solarzelle, diese Solarzelle umfassendes Solarmodul sowie Verfahren zu deren Herstellung und zur Herstellung einer Kontaktfolie

Die Erfindung betrifft eine Solarzelle 1, welche die folgenden Schichten umfasst: (a) eine halbleitende Schicht 2 mit einer ersten Oberfläche 4 und einer zweiten Oberfläche 5, wobei auf der ersten Oberfläche 4 eine Vielzahl von ersten Kontaktstellen 6 und zweiten Kontaktstellen 7 ausgebildet sind, welche entgegengesetzte Polaritäten aufweisen; (b) eine erste ein- oder mehrschichtige, perforierte Folie 8, 28 aus einem elektrisch nicht leitenden Material, die eine Vielzahl von ersten Löchern 9 aufweist; c) eine strukturierte elektrisch leitende Schicht 10 auf einer der halbleitenden Schicht 2 abgewandten Oberfläche der perforierten Folie 8, 28; wobei die perforierte Folie 8, 28 und die halbleitende Schicht 2 so zueinander positioniert sind, dass zumindest ein Teil der ersten Löcher 9 und der ersten Kontaktstellen 6 und der zweiten Kontaktstellen 7 einander gegenüberliegen, wobei mindestens ein Teil der ersten Kontaktstellen 6 und der zweiten Kontaktstellen 7 über eine lotfreie elektrisch ...

Solarzellenmodul und Verfahren zur Herstellung desselben

Offenbart wird ein Solarzellenmodul, das ein Verdrahtungselement aufweist, das einen Harzfilm und eine Verdrahtung, die auf dem Harzfilm angeordnet ist und elektrisch mit einer Solarzelle verbunden ist, einschließt. Das Verdrahtungselement schließt einen ersten Teil, der so angeordnet ist, dass die Verdrahtung der Solarzelle gegenüberliegt, wobei der erste Teil mit der Solarzelle verbunden ist, einen zweiten Teil, der so angeordnet ist, dass die Verdrahtung einer entgegengesetzten Seite der Solarzelle gegenüberliegt, und einen gebogenen Teil, der den ersten Teil und den zweiten Teil miteinander verbindet, ein. Ein Abstand zwischen einem ersten Schutzelement und einem zweiten Schutzelement in einer Region, in der das Verdrahtungselement in einem Gebiet bereitgestellt ist, das zwischen der Solarzelle und dem zweiten Schutzelement lokalisiert ist, ist länger als ein Abstand zwischen dem ersten Schutzelement und dem zweiten Schutzelement in einer Region, in der das Verdrahtungselement nicht ...

Back contact solar cell cell interconnection arrangements

A solar module and a method for fabricating a solar module comprising a plurality of rear contact solar cells are described. Rear contact solar cells 1 are provided with a large size of e.g. 156 x 156 mm2. Soldering pad arrangements 13, 15 applied on emitter contacts 5 and base contacts 7 are provided with one or more soldering pads 9, 11 arranged linearly. The soldering pad arrangements are arranged asymmetrically with respect to a longitudinal axis 17. Each solar cell is then separated into first and second cell portions 19, 21 along a line 23 perpendicular to the longitudinal axis. Due to such cell separation and the asymmetrical design of the soldering pad arrangements, the first and second cell portions may then be arranged alternately along a line with each second cell portion arranged in a 180°orientation with respect to the first cell portions and such that emitter soldering pad arrangements of a first cell portion are aligned with base soldering pad arrangements of neighbouring ...

SYSTEM AND PROCEDURE FOR MANUFACTURING A SOLAR CELL ARRAY

PROCEDURE FOR THE PRODUCTION OF A SOLAR COLLECTOR AND SEMI-MANUFACTURE

Bifacial photovoltaic module

A bifacial photovoltaic module has components that are arranged to maximize the efficiency of a module for both front and back surfaces. An opaque portion is disposed on back surfaces of modules and aligned with horizontal support bars of a multiple-module system. Junction boxes are arranged at opposing ends of the opaque portion and couple adjacent modules in the system.

Formed photovoltaic module busbars

Busbar connection configuration to accommodate for cell misalignment

Interconnection of back contact photovoltaic cells in a photovoltaic module is described. Pre-assembled busbars are connected with a configuration to enable correction for cell misalignment in the module.

Formed photovoltaic module busbars

A method and apparatus directed to busbar components for photovoltaic modules.

Smart photovoltaic cells and modules

A back contact solar cell with on-cell electronics is provided. The back contact solar cell is comprised of a semiconductor substrate having a light capturing front side and a backside opposite the light capturing front side. A first interdigitated metallization pattern is positioned on the backside of the semiconductor substrate and a backplane supports and is attached to the backside of the semiconductor substrate. A second interdigitated metallization pattern positioned on the backplane and is connected to the first interdigitated metallization pattern. An on-cell electronic component is attached to the second interdigitated metallization pattern and electrical leads connect the on-cell electronic component to the second interdigitated metallization pattern.

High-efficiency solar photovoltaic cells and modules using thin crystalline semiconductor absorbers

Fabrication methods and structures relating to backplanes for back contact solar cells that provide for solar cell substrate reinforcement and electrical interconnects as well as Fabrication methods and structures for forming thin film back contact solar cells are described.

METHOD FOR FABRICATING A SOLAR MODULE OF REAR CONTACT SOLAR CELLS USING LINEAR RIBBON-TYPE CONNECTOR STRIPS AND RESPECTIVE SOLAR MODULE

A solar module and a method for fabricating a solar module comprising a plurality of rear contact solar cells are described. Rear contact solar cells (1) are provided with a large size of e.g. 156 x 156 mm2. Soldering pad arrangements (13, 15) applied on emitter contacts (5) and base contacts (7) are provided with one or more soldering pads (9, 11) arranged linearly. The soldering pad arrangements (13, 15) are arranged asymmetrically with respect to a longitudinal axis (17). Each solar cell (1) is then separated into first and second cell portions (19, 21) along a line (23) perpendicular to the longitudinal axis (17). Due to such cell separation and the asymmetrical design of the soldering pad arrangements (13, 15), the first and second cell portions (19, 21) may then be arranged alternately along a line with each second cell portion (21) arranged in a 180°-orientation with respect to the first cell portions (19) and such that emitter soldering pad arrangements (13) of a first cell portion ...

METHOD FOR FABRICATING A SOLAR MODULE OF REAR CONTACT SOLAR CELLS USING LINEAR RIBBON-TYPE CONNECTOR STRIPS AND RESPECTIVE SOLAR MODULE

A solar module and a method for fabricating a solar module comprising a plurality of rear contact solar cells are described. Rear contact solar cells (1) are provided with a large size of e.g. 156 x 156 mm2. Soldering pad arrangements (13, 15) applied on emitter contacts (5) and base contacts (7) are provided with one or more soldering pads (9, 11) arranged linearly. The soldering pad arrangements (13, 15) are arranged asymmetrically with respect to a longitudinal axis (17). Each solar cell (1) is then separated into first and second cell portions (19, 21) along a line (23) perpendicular to the longitudinal axis (17). Due to such cell separation and the asymmetrical design of the soldering pad arrangements (13, 15), the first and second cell portions (19, 21) may then be arranged alternately along a line with each second cell portion (21) arranged in a 180°-orientation with respect to the first cell portions (19) and such that emitter soldering pad arrangements (13) of a first cell portion ...

Solar cell module and method of manufacturing the same

A solar cell module and a method of manufacturing the same are discussed. The solar cell module includes a plurality of back contact solar cells, an interconnector that is positioned on back surfaces of the plurality of back contact solar cells and electrically connects adjacent back contact solar cells to one another, upper and lower protective layers for protecting the plurality of back contact solar cells, a transparent member that is positioned on the upper protective layer on light receiving surfaces of the plurality of back contact solar cells, and a back sheet that is positioned under the lower protective layer on surfaces opposite the light receiving surfaces of the plurality of back contact solar cells. The upper protective layer and the lower protective layer are formed of different materials.

ROLL-TO-ROLL METALLIZATION OF SOLAR CELLS

Solar cell module

PARALLEL INTERCONNECT ADJACENT SOLAR CELL VIA A COMMON BACK PLANE

METHOD FOR PRODUCING A PHOTOVOLTAIC MODULE WITH TWO ETCH PROCESS STEPS P1 P3 AND CORRESPONDING AND PHOTOVOLTAIC MODULE.

AUTOMATED ASSEMBLY AND MOUNTING SOLAR CELLS ON SPATIAL PANELS

A METHOD FOR CARRYING out a PHOTOVOLTAIC MODULE WITH TWO STAGES OF ENGRAVING P1 AND P3 AND PHOTOVOLTAIC MODULE CORRESPONDING.

Procédé de réalisation d'un module photovoltaïque comportant une pluralité de cellules solaires dans une structure en couches minces, dans lequel sont réalisées successivement dans la structure, une électrode en face arrière (41), une couche photovoltaïque (43) obtenue par dépôt de constituants comprenant des précurseurs métalliques et au moins un élément pris parmi Se et S et par recuit pour convertir ces constituants en matériau semi-conducteur, et une autre couche (44) de semi-conducteur pour créer une jonction pn avec la couche photovoltaïque (43), caractérisé en ce que les précurseurs métalliques forment, sur l'électrode en face arrière (41), une couche continue, alors que ledit au moins un élément forme une couche présentant au moins une discontinuité permettant, à l'issue du recuit, de laisser une zone (430) de la couche de précurseurs métalliques à l'état métallique au niveau de ladite discontinuité.

Integrated Thin Film Photovoltaic Module and Manufacturing Method Thereof

SOLAR BATTERY AND A MANUFACTURING METHOD THEREOF CAPABLE OF MAXIMIZING PHOTOELECTRIC TRANSFORMATION EFFICIENCY

PURPOSE: A solar battery and a manufacturing method thereof are provided to promote polycrystalline of a light absorption layer at high curing temperatures by curing the light absorption layer before forming an anode and a cathode. CONSTITUTION: A substrate(100) comprises a plurality of unit cell areas and a plurality of wire areas(b, b') located between the plurality of unit cell areas. A first semiconductor layer(200) is formed on one arbitrary unit cell area among the plurality of unit cell areas. A barrier layer(320) divides an area of the first semiconductor layer into a first area and a second area. A partitioning layer(310) is formed on one arbitrary wire area among the plurality of wire areas. A first electrode layer(400a) is formed on the first area of the semiconductor layer. COPYRIGHT KIPO 2012 ...

SOLAR CELL MODULE FOR IMPROVING LIGHT TRANSMISSION, A MANUFACTURING METHOD THEREOF, A MOBILE DEVICE INCLUDING THE SAME, AND A METHOD FOR MANUFACTURING A MOBILE DEVICE

PURPOSE: A solar cell module, a mobile device including the same, and a method for manufacturing a mobile device are provided to improve the degree of integration by minimizing an interval between a solar cell and a light transmissive plate. CONSTITUTION: A light transmissive plate(110) is made of a light transmissive material. The light transmissive plate includes an exposed surface(112) which is exposed to the outside and a non-exposed surface(114) which is in an opposite side of the exposed surface. A plurality of solar cells(120) includes a light receiving surface(122) and a non-light receiving surface(124). An electrode structure(126) is included at an edge portion of the light-receiving surface. A conductive junction film(132) welds the light transmissive plate and the solar cells. COPYRIGHT KIPO 2012 ...

WIRING MEMBER BETWEEN ELEMENTS, PHOTOELECTRIC CONVERSION ELEMENT, AND PHOTOELECTRIC CONVERSION ELEMENT CONNECTING BODY AND PHOTOELECTRIC CONVERSION MODULE USING THE WIRING MEMBER BETWEEN ELEMENTS AND THE PHOTOELECTRIC CONVERSION ELEMENT

SOLAR PANEL fotovoltaicoFOTOVOLTAICO MONOLITHIC OF LOW CONCENTRATION BASED ON HARDWIRED CELLS fotovoltaicasFOTOVOLTAICAS PARABOLIC THE CROSSED COMPOSITE POLYMERS AND CONCENTRATORS

Photovoltaic module

A photovoltaic module is provided, and a battery set thereof includes a first battery, a second battery, and a conductive connection element. The first battery includes a first semiconductor stack, a first electrode, a second electrode, and a first insulation layer. The first semiconductor stack has a first surface, a second surface, and a first side surface. The first electrode is disposed on the first surface. The second electrode is disposed on the second surface. The second battery includes a second semiconductor stack, a third electrode, a fourth electrode, and a second insulation layer. The second semiconductor stack has a third surface, a fourth surface, and a second side surface. The third electrode is disposed on the third surface. The fourth electrode is disposed on the fourth surface. The conductive connection element connects the first electrode with a part of the first insulation layer on the second surface, and connects the third electrode with a part of the second insulation ...

Solar array system and method of manufacturing

A space-grade solar array includes relatively small cells with integrated wiring embedded into or incorporated directly onto a printed circuit board. The integrated wiring provides an interface for solar cells having back side electrical contacts. The single side contacts enable the use of pick and place (PnP) technology in manufacturing the space-grade solar array. The solar cell is easily and efficiently packaged and electrically interconnected with other solar cells on a solar panel such as by using PnP process. The back side contacts are matched from a size and positioning standpoint to corresponding contacts on the printed circuit board.

Back contact solar module and electrode soldering method therefor

Solar cell module

BACK CONTACT SOLAR CELLS USING PRINTED DIELECTRIC BARRIER

Embodiments of the invention contemplate the formation of a high efficiency solar cell using novel methods to form the active doped region(s) and the metal contact structure of the solar cell device. In one embodiment, the methods include the steps of depositing a dielectric material that is used to define the boundaries of the active regions and/or contact structure of a solar cell device. Various techniques may be used to form the active regions of the solar cell and the metal contact structure.

BACK CONTACT SOLAR CELL MODULE AND METHOD FOR MANUFACTURING SAME

The present invention relates to a back contact solar cell module and a method for manufacturing same which can simplify the manufacturing process of the solar cell module. According to embodiments of the present invention, the back contact solar cell module can be easily manufactured by connecting an electrode with wiring using an anisotropic conductive adhesive member. Also, when using a wiring sheet, in which wiring is formed on the anisotropic conductive adhesive member, manufacturing cost can be effectively reduced by eliminating an insulation sheet for forming the wiring.

METHOD FOR FABRICATING A SOLAR MODULE OF REAR CONTACT SOLAR CELLS USING LINEAR RIBBON-TYPE CONNECTOR STRIPS AND RESPECTIVE SOLAR MODULE

A solar module and a method for fabricating a solar module comprising a plurality of rear contact solar cells are described. Rear contact solar cells (1) are provided with a large size of e.g. 156 x 156 mm2. Soldering pad arrangements (13, 15) applied on emitter contacts (5) and base contacts (7) are provided with one or more soldering pads (9, 11) arranged linearly. The soldering pad arrangements (13, 15) are arranged asymmetrically with respect to a longitudinal axis (17). Each solar cell (1) is then separated into first and second cell portions (19, 21) along a line (23) perpendicular to the longitudinal axis (17). Due to such cell separation and the asymmetrical design of the soldering pad arrangements (13, 15), the first and second cell portions (19, 21) may then be arranged alternately along a line with each second cell portion (21) arranged in a 180°-orientation with respect to the first cell portions (19) and such that emitter soldering pad arrangements (13) of a first cell portion ...

SOLAR CELL MODULE AND METHOD FOR CONNECTING SOLAR CELLS

The invention relates to a solar cell module, comprising solar cells (13, 15) that are arranged on a mount (14) and connected by means of connectors (24, 26). In order to be able to produce the solar cell module at low cost and to minimize the electrical losses due to connectors, the mount is provided with recesses (22), within which the connectors extend at least in some sections, and the solar cells are arranged outside of the recesses in a planar manner or substantially planar manner on the mount or on a layer extending on the mount.

BACK CONTACT SOLAR CELL, BACK CONTACT SOLAR CELL WITH WIRING SHEET, SOLAR CELL MODULE, METHOD FOR MANUFACTURING BACK CONTACT SOLAR CELL WITH WIRING SHEET, AND METHOD FOR MANUFACTURING SOLAR CELL MODULE

Disclosed are: a back contact solar cell (8) which is provided with electrode-free regions (33a, 33b, 33c, 33d) where no electrode is disposed so that a part of the peripheral portion of the back surface of the back contact solar cell (8) has a region wherein the line connecting ends of a plurality of electrodes (6, 7) is partially recessed inwardly, said electrode-free regions (33a, 33b, 33c, 33d) being arranged adjacent to an electrode for n-type (6) and an electrode for p-type (7) that are adjacent to each other; a solar cell module; a method for manufacturing a back contact solar cell with a wiring sheet; and a method for manufacturing a solar cell module.

SOLAR CELL MODULE

A solar cell module with improved output characteristics is provided. The solar cell module (1) is provided with a photoelectric converter (23), a solar cell (20) having first and second electrodes (21, 22), and a wiring material (32a). The wiring material (32a) has a resin film (51) and wiring (52) disposed on the resin film (51). The wiring material (32a) has a first section (32a1), a second section (32a2) and a bent section (32a3). The first section (32a1) is disposed in such a manner that the wiring (52) faces the solar cell (20) side. The first section (32a1) is attached to the solar cell (20). The second section (32a2) is disposed in such a manner that the wiring (52) faces the side opposite to the solar cell (20). The bent section (32a3) connects the first section (32a1) and the second section (32a2). The bent section (32a3) is disposed on the solar cell (20).

ACTIVE BACKPLANE FOR THIN SILICON SOLAR CELLS

Fabrication methods and structures relating to backplanes for back contact solar cells that provide for solar cell substrate reinforcement and electrical interconnects are described. The method comprises depositing an interdigitated pattern of base electrodes and emitter electrodes on a backside surface of a semiconductor substrate, attaching a prepeg backplane to the interdigitated pattern of base electrodes and emitter electrodes, forming holes in the prepeg backplane which provide access to the first layer of electrically conductive metal, and depositing a second layer of electrically conductive metal on the backside surface of the prepeg backplane forming an electrical interconnect with the first layer of electrically conductive metal through the holes in the prepeg backplane.

SOLAR MODULE WITH REDUCED POWER LOSS AND PROCESS FOR THE PRODUCTION THEREOF

The invention relates to a solar module having a laminated composite of two substrates bonded to one another by at least one bonding layer, between which substrates there are solar cells which are connected in series and which each have an absorber zone made of a semiconducting material between a front electrode arranged on a light entrance side of the absorber zone and a rear electrode, wherein a diffusion barrier differing from the front electrode is located between each absorber zone and the bonding layer and is designed to inhibit the diffusion of water molecules from the bonding layer (10) into the absorber zone and/or the diffusion of dopant ions from the absorber zone into the bonding layer. Furthermore, the invention relates to a process for producing such a solar module.

BUSING SUB-ASSEMBLY FOR PHOTOVOLTAIC MODULES

Embodiments of the invention generally relate to a busing sub-assembly and methods of forming photovoltaic modules having busing sub-assemblies. The busing sub-assembly generally includes a carrier backsheet and a plurality of conductive ribbons coupled to the carrier backsheet. An electrically insulating cover is disposed over the conductive ribbons and the carrier backsheet. The ends of each conductive ribbon remain exposed for making an electrical connection to the conductive foil or a junction box. Methods of forming photovoltaic modules generally include positioning a flexible backsheet having an opening therethrough and a conductive foil thereon on a support. A busing sub-assembly is disposed on the flexible backsheet over the opening and in electrical contact with the conductive foil. The busing sub-assembly includes the components necessary to bus electrical current from a plurality of solar cells to a junction box, and can be applied to a photovoltaic module in a singe process ...

Solar array system and method of manufacturing

A space-grade solar array includes relatively small cells with integrated wiring embedded into or incorporated directly onto a printed circuit board. The integrated wiring provides an interface for solar cells having back side electrical contacts. The single side contacts enable the use of pick and place (PnP) technology in manufacturing the space-grade solar array. The solar cell is easily and efficiently packaged and electrically interconnected with other solar cells on a solar panel such as by using PnP process. The back side contacts are matched from a size and positioning standpoint to corresponding contacts on the printed circuit board.

SOLAR CELL MODULE

A solar cell module includes a solar cell, a light-receiving side protection member, aback side protection member, and an encapsulant. The light-receiving side protection member is made of a glass plate or a ceramic plate. The back side protection member is made of a resin sheet. The encapsulant contains an antioxidant. The encapsulant includes: a back side encapsulant and a light-receiving side encapsulant. A content rate of the antioxidant in the back side encapsulant is higher than a content rate of the antioxidant in the light-receiving side encapsulant.

FORMING SOLAR CELLS USING A PATTERNED DEPOSITION PROCESS

Embodiments of the invention contemplate the formation of a high efficiency solar cell using novel methods to form the active doped region(s) and the metal contact structure of the solar cell device. In one embodiment, the methods include the steps of depositing a dielectric material that is used to define the boundaries of the active regions and/or contact structure of a solar cell device. Various techniques may be used to form the active regions of the solar cell and the metal contact structure.

SYSTEMS AND METHODS FOR MONOLITHICALLY INTEGRATED BYPASS SWITCHES IN PHOTOVOLTAIC SOLAR CELLS AND MODULES

Structures and methods for a solar cell having an integrated bypass switch are provided. According to one embodiment, an integrated solar cell and bypass switch comprising a semiconductor layer having background doping, a frontside, and a backside is provided. A patterned first level metal is positioned on the layer backside and an electrically insulating backplane is positioned on the first level metal. A trench isolation pattern partitions the semiconductor layer into a solar cell region and at least one monolithically integrated bypass switch region. A patterned second level metal is positioned on the electrically insulating backplane and which connects to the first level metal through the backplane to complete the electrical metallization of the monolithically integrated solar cell and bypass switch structure.

Shingled solar cell module

A high efficiency configuration for a solar cell module comprises solar cells arranged in a shingled manner to form super cells, which may be arranged to efficiently use the area of the solar module, reduce series resistance, and increase module efficiency.

SOLAR CELL MODULE, WIRING SHEET, AND METHOD OF MANUFACTURING WIRING SHEET

Wires (22) electrically connecting solar cells (10) include first wires (22a) and second wires (22b). The first wires (22a) are connected to the first-conductivity-type electrodes (12) of a first one of the solar cells (10) and the second-conductivity-type electrodes (13) of a second one of the solar cells 10 that is adjacent to the first one of the solar cells (10). The second wires (22b) are connected to the second-conductivity-type electrodes (13) of the first one of the solar cells (10) and the first-conductivity-type electrodes (12) of the second one of the solar cells (10). The second wires (22b) are electrically separated by holes (21a) extending through both the second wires (22b) and an insulating base member (21).

Method of forming an electroded sheet

A sheet in an electronic display is composed of a substrate containing an array of wire electrodes. The wire electrodes are preferably electrically connected to patterned transparent conductive electrode lines. The wire electrodes are used to carry the bulk of the current. The wire electrodes are capable of being extended away from the substrate and connected directly to the printed circuit board. The transparent conductive electrode (TCE) is used to spread the charge or voltage from the wire electrode across the pixel. The TCE is a patterned film and must be at least 50% transparent, and, for most applications, is preferably over 90% transparent. In most applications, the electroded surface of the electroded sheet has to be flattened. Use of a thin polymer substrate yields a light, flexible, rugged sheet that may be curved, bent or rolled.

Photovoltaic module with enhanced light collection

The present invention is applied to photo voltaic module enhanced light. In particular, the present invention relates to glass-glass and back contact photo photovoltaic modules with enhanced conversion efficiency in areas that are not usually active.

WIRE-BASED METALLIZATION AND STRINGING FOR SOLAR CELLS

Wire-based metallization and stringing techniques for solar cells, and the resulting solar cells, modules, and equipment, are described. In an example, a string of solar cells includes a plurality of back-contact solar cells, wherein each of the plurality of back-contact solar cells includes P-type and N-type doped diffusion regions. A plurality of conductive wires is disposed over a back surface of each of the plurality of solar cells, wherein each of the plurality of conductive wires is substantially parallel to the P-type and N-type doped diffusion regions of each of the plurality of solar cells. One or more of the plurality of conductive wires adjoins a pair of adjacent solar cells of the plurality of solar cells and has a relief feature between the pair of adjacent solar cells.

SOLAR CELL AND SOLAR CELL MODULE USING THE SAME

Solarzelle und Verfahren zur Herstellung einer Solarzelle

Die Erfindung betrifft eine Solarzelle, umfassend ein Halbleitersubstrat mit einer Vorder- und einer Rückseite, eine erste und mindestens eine zweite metallische Kontaktstruktur, wobei das Halbleitersubstrat mindestens einen ersten Dotierbereich eines ersten Dotierungstyps und mindestens einen zweiten Dotierbereich eines zweiten, zum ersten Dotierungstyp entgegengesetzten Dotierungstyps aufweist und der erste und der zweite Dotierungstyp zumindest teilweise aneinandergrenzend angeordnet sind, zur Ausbildung eines pn-Übergangs, wobei beide Kontaktstrukturen an einer Metallisierungsseite des Halbleitersubstrates angeordnet sind und die Metallisierungsseite die Vorder- oder die Rückseite der Solarzelle ist und wobei die erste Kontaktstruktur mit dem ersten Dotierbereich elektrisch leitend verbunden ist und die zweite Kontaktstruktur mit dem zweiten Dotierbereich elektrisch leitend verbunden ist, dadurch gekennzeichnet, dass die Solarzelle weiterhin eine erste und mindestens eine zweite elektrisch ...

Solarzellenvorrichtung, Solarzellenmodul und Verbindungsanordnung

Die Erfindung betrifft eine Solarzellenvorrichtung, aufweisend eine Solarzelle (1) mit einem Halbleiter (2), der mindestens einen p-dotierten Bereich (6) und mindestens einen n-dotierten Bereich (7) aufweist, auf einer Rückseite (R) der Solarzelle (1) angeordneten elektrischen p-Kontakten (10) und elektrischen n-Kontakten (9), die mit den entsprechend dotierten Bereichen (6, 7) des Halbleiters (2) verbunden sind, mindestens einem p-Busbar (13), der mit den elektrischen p-Kontakten (10) verbunden ist, und mindestens einem n-Busbar (12), der mit den elektrischen n-Kontakten (9) verbunden ist, wobei die Busbars (12, 13) jeweils den Strom der elektrischen Kontakte (9, 10) sammeln und eine Längserstreckungsrichtung (L) aufweisen, sowie eine Verbindungsanordnung (14), die zur elektrisch leitfähigen Verbindung mindestens eines der Busbars (12, 13) der Solarzelle (1) mit mindestens einem Busbar (13, 12) einer benachbarten Solarzelle ausgebildet ist. Erfindungsgemäß weist die Verbindungsanordnung ...

Thin Silicon Sheets for Solar Cells

A thin layer of single-crystal silicon is produced by forming first trenches in a silicon substrate having (111) orientation; forming narrower second trenches at the base of the trenches; anisotropically etching lateral channels ( 4 ) from the second trenches, until adjacent etch fonts ( 16 ) substantially meet; and detaching said layer from the substrate. The trenches may be arranged so that the resultant layer has rows of slots, with the slots in adjacent rows being mutually offset. Solar cells may be formed on strips having two electrical contacts on the same face ( 6 ) of each strip ( 5 ).

Solar cell module and method for manufacturing the solar cell module, and mobile device with the solar cell module and method for manufacturing the mobile device

The present invention provides a solar cell module. The solar cell module includes a floodlight panel with a light transmission property; solar cells each of which has a light-receiving surface with electrode pads and a non-light-receiving surface opposite to the light-receiving surface, the solar cells being adhered to the floodlight panel so that the light-receiving surface faces the floodlight panel; and a conductive bonding film which is interposed between the floodlight panel and the solar cells and bonds the floodlight panel to the solar cells, wherein the conductive bonding film is used to electrically connect the electrode pads of the solar cells adjacent to one another.

Back contacting and interconnection of two solar cells

Method for producing back contacts on silicon solar cells and an interconnection between silicon solar cells where the front surface has been fully treated and the back surface has been processed to the point where the said solar cells can be contacted on the back surface. The method further includes: a) attaching the solar cells onto a transparent superstrate, thereby forming a structure, b) depositing a passivating layer onto the back surface of the structure, c) depositing a silicon material layer onto the back surface of the structure, d) separating the silicon material layer by first areas, e) providing contact sites in areas, f) depositing a metal layer onto the back surface of the structure, g) heating the structure to form silicide, h) optionally opening the metal layer in areas, and i) depositing metal onto the silicide. Device includes solar cells with back contacts and interconnections produced by the method.

Solar cell element and solar cell module

A semiconductor substrate comprising a first surface and a second surface, a first electrode, and a second electrode are arranged. The first electrode comprises a plurality of main electrodes located on the first surface and a plurality of first output taking parts electrically connected to the plurality of main electrodes and located on the second surface. The second electrode comprises one pair of collection parts located on the second surface to sandwich the first output taking parts and a connection part that electrically connects the one pair of collection parts to each other. The plurality of main electrodes comprise a first group located at first intervals and a second group located at second intervals. Third intervals between the first group and the second group are larger than the first and second intervals, and the connection part is located at positions corresponding to the third interval on the second surface.

Solar cell module and manufacturing method thereof

A solar cell module of the present invention is arranged such that is at least one of two-dimensionally arranged solar cells is positioned on an extended line of a boundary line between other adjacent solar cells. This makes it possible to provide a solar cell module which is less likely to be broken even if a bending stress and/or a twisting stress is applied, as compared to a conventional solar cell module.

Photovoltaic module

The present invention provides a photovoltaic module with bypass diodes that has a high electricity generating capacity per unit area and high productivity. This photovoltaic module includes a photovoltaic cell assembly in which a plurality of photovoltaic cells are electrically connected in series, and a diode assembly in which a plurality of diodes are formed on a substrate in the arrangement that is consistent with the arrangement of the photovoltaic cells to which the diodes are to be attached. The diode assembly is disposed on a non-light receiving side of the photovoltaic cells, and the diodes are electrically connected to the photovoltaic cells. The photovoltaic cell assembly and the diode assembly are sealed and united by a sealant.

Solar cell and assembly of a plurality of solar cells

The invention relates to a solar cell ( 1 ), comprising a front side ( 10 ) and rear side ( 20 ). In use, the front side ( 10 ) is turned towards the light, on account of which charge carriers accumulate on the front side ( 10 ) and charge carriers of an opposite type accumulate on the rear side ( 20 ). The front side ( 10 ) is provided with a first pattern ( 13 ) of conductive elements ( 51, 52 ) which are connected to first contact points ( 15 ) on the rear side ( 20 ) by means of a number of vias ( 14 ) in the solar cell. The rear side ( 20 ) is provided with a second pattern of conductive elements ( 22 ) which are connected to second contact points ( 21 ) on the rear side ( 20 ). The first and second contact points ( 15, 21 ) are situated along a number of lines ( 30 ). The first contact points ( 15 ) are situated on a first side of the lines ( 30 ) and the second contact points ( 21 ) are situated on a second side of the lines ( 30 ).

Solar battery string, solar battery module, and solar battery cell

A solar battery string is provided that suppresses a lowering in the mounting density of solar battery cells, that can shorten manufacturing time, and that can prevent solar battery cells from being destroyed. The solar battery string ( 1 ) has a plurality of solar battery cells ( 2 ) and a circuit board ( 3 ). The solar battery cells ( 2 ) have a semiconductor substrate ( 10 ), which has an n-type conductivity region ( 10 c ) and, formed on the reverse face ( 10 b ) side of the semiconductor substrate, an n + -type conductivity region ( 10 d ) and p-type conductivity regions ( 10 e and 10 f ). The circuit board electrically connects the n + -type conductivity region of a solar battery cell ( 2 a ) to the p-type conductivity regions ( 10 e ) of a solar battery cell ( 2 b ), and electrically connects the p-type conductivity regions ( 10 f ) of the solar battery cell ( 2 a ) to the n + -type conductivity region ( 10 d ) of the solar battery cell ( 2 b ).

Method and device for producing a solar panel using a carrier

The invention relates to the production of solar panels which comprise solar cells connected to one another. In this case, various layers are stacked onto one another, such as a film layer, bonding agent, insulating film, solar cells and a support layer. Combining all these layers to form the final panel is carried out on a carrier which stabilizes and supports the stack while it is conveyed past the various treatment stations. The turning over of the stack can also be carried out in a reliable manner by means of such a carrier without shifts between the various components with respect to one another occurring.

Solar cell structures, photovoltaic panels and corresponding processes

Photovoltaic modules comprise solar cells having doped domains of opposite polarities along the rear side of the cells. The doped domains can be located within openings through a dielectric passivation layer. In some embodiments, the solar cells are formed from thin silicon foils. Doped domains can be formed by printing inks along the rear surface of the semiconducting sheets. The dopant inks can comprise nanoparticles having the desired dopant.

Integrated back-sheet for back contact photovoltaic module

An integrated back sheet for a back-contact solar cell module and a back-contact solar cell module made with such an integrated back-sheet are provided. Processes for making such integrated back-sheets and back-contact solar cell modules incorporating such integrated back-sheets are also provided. Elongated electrically conductive wires that extend at least two times the length of solar cells in the back-contact cell module are mounted on a layer of the integrated back-sheet. The elongated conductive wires of the integrated back-sheet electrically connect to solar cell back contacts when the back-sheet is used in a back-contact photovoltaic module.

Solar cell with interconnection sheet, solar cell module, and method for manufacturing solar cell with interconnection sheet

There is provided a solar cell with an interconnection sheet, wherein a first wiring of the interconnection sheet is made of a material that is less likely to cause ion migration than a metal material forming a first electrode of the solar cell, and a width of the first wiring is larger than a width of the first electrode. There is also provided a solar cell module including the solar cell with the interconnection sheet, and a method for manufacturing the solar cell with the interconnection sheet.

Integrated back-sheet for back contact photovoltaic module

A process for making a back-contact solar cell module is provided. Electrically conductive wires of an integrated back-sheet are physically and electrically attached to the back contacts of the solar cells of a solar cell array through openings in a polymeric interlayer dielectric layer using an electrically conductive binder before thermal lamination of the module.

BACK CONTACT PHOTOVOLTAIC MODULE WITH INTEGRATED GLASS BACK-SHEET

A back-contact solar cell module comprises an array of back-contact solar cells having a substantially common coefficient of thermal expansion and a glass back-sheet having a coefficient of thermal expansion that is within 15% of the coefficient of thermal expansion of the solar cells of the solar cell array. The glass back-sheet has at least two conductive circuits formed of sintered metal and glass on a surface of the glass back-sheet. Electrical contacts on the back side of the solar cells of the solar cell array are physically and electrically connected to the conductive circuits formed on the glass back-sheet. Processes for making such back-contact solar cell modules are also provided. 1. A photovoltaic module , comprising:a solar cell array of at least four solar cells, each of said solar cells in said array having a front light receiving side and an opposite back side, the back side of each of said solar cells having positive and negative polarity electrical contacts thereon, the solar cells of said solar cell array having a substantially common coefficient of thermal expansion;a glass back-sheet having a first surface facing the back side of the solar cells of said solar cell array and an opposite second surface, the glass back sheet having a coefficient of thermal expansion that is within 15% of the coefficient of thermal expansion of the solar cells of the solar cell array, said glass back-sheet having at least two conductive circuits on the first surface of the glass back-sheet, the conductive circuits being comprised of sintered metal and an inorganic binder, wherein said conductive circuits are physically and electrically connected to the electrical contacts on the back side of the solar cells of the solar cell array.2. The photovoltaic module of wherein the solar cells of the solar cell array are silicon-based solar cells claim 1 , and wherein the glass back sheet has a coefficient of thermal expansion in the range of 2×10to 4×10per degree C.3. The ...

BACK CONTACT PHOTOVOLTAIC MODULE WITH INTEGRATED CIRCUITRY

A back-contact solar cell module and a process for making such a solar cell module are provided. The module includes a porous wire mounting layer with a plurality of elongated electrically conductive wires mounted thereon. A polymeric encapsulant layer is provided between a rear surface of solar cells of the module and the porous wire mounting layer and is melted to adhere to the solar cells and penetrate the porous wire mounting layer. Back electrical contacts on the solar cells are electrically connected to the electrically conductive wires through the porous wire mounting layer.

CONDUCTIVE ADHESIVE SHEET AND SOLAR CELL MODULE

A conductive adhesive sheet includes a conductive adhesive layer, and a light reflective layer formed on one surface in the thickness direction of the conductive adhesive layer. 1. A conductive adhesive sheet comprising:a conductive adhesive layer, anda light reflective layer formed on one surface in the thickness direction of the conductive adhesive layer.2. The conductive adhesive sheet according to claim 1 ,wherein the conductive adhesive layer is formed froma conductive adhesive composition comprising lead-free solder particles, high melting point metal particles, and a resin.3. The conductive adhesive sheet according to claim 2 , wherein the lead-free solder particles have a melting point of 200° C. or less.4. The conductive adhesive sheet according to claim 2 , wherein the lead-free solder particles are a tin-bismuth alloy.5. The conductive adhesive sheet according to claim 2 , wherein the amount of the lead-free solder particles relative to the conductive adhesive composition is 15 vol % or more and 90 vol % or less.6. The conductive adhesive sheet according to claim 2 , wherein the resin contains a thermosetting resin.7. The conductive adhesive sheet according to claim 2 , wherein the conductive adhesive composition further contains an activator.8. The conductive adhesive sheet according to claim 1 , wherein the light reflective layer contains titanium oxide particles.9. A solar cell module comprising:a plurality of back contact solar cells disposed in spaced-apart relation to each other,a conductive adhesive sheet that connects the back electrodes of the plurality of back contact solar cells so that a light reflective layer is exposed to a front side from gaps between the plurality of back contact solar cells,wherein the conductive adhesive sheet comprisesa conductive adhesive layer, andthe light reflective layer formed on one surface in the thickness direction of the conductive adhesive layer. The present application claims priority from Japanese Patent ...

THIN-FILM SOLAR CELL AND METHOD OF FABRICATING THIN-FILM SOLAR CELL

A thin-film solar cell includes a cell having a transparent electrode layer, a photoelectric conversion layer, and a back electrode layer stacked on a transparent insulation substrate. A plurality of cells are connected in series to constitute a cell string. A bus bar is arranged on the back electrode layer of an end cell constituting the cell string. The thin-film solar cell has a photoelectric conversion layer on a series-connection direction end of the transparent electrode layer. In plan view, a series-connection direction end of the back electrode layer at an end of the cell string and the series-connection direction end of the transparent electrode layer at the end of the cell string do not overlap, while the bus bar and the transparent electrode layer at the end cell constituting the cell string overlap at least partially. A method of fabricating the thin-film solar cell is provided. 1. A thin-film solar cell , comprising:a cell having a transparent electrode layer, a photoelectric conversion layer and a back electrode layer stacked on a transparent insulation substrate a plurality of said cells connected in series to constitute a cell string,a bus bar arranged on a back electrode layer of an end cell constituting the cell string,having a photoelectric conversion layer on a series-connection direction end of said transparent electrode layer,in plan view,a series-connection direction end of a back electrode layer at an end of said cell string and the series-connection direction end of the transparent electrode layer at an end of said cell string not overlapping, andsaid bus bar and a transparent electrode layer of the end cell constituting said cell string overlapping at least partially.2. The thin-film solar cell according to claim 1 , wherein a photoelectric conversion layer of the end cell constituting said cell string and a photoelectric conversion layer on the series-connection direction end of the transparent electrode layer at the end of said cell ...

Thin-film photovoltaic cell and manufacturing method thereof

In a thin-film photovoltaic cell, a first electrode layer, a semiconductor layer, and a third electrode layer are formed on a main surface of an insulating substrate. A second electrode layer and a fourth electrode layer are formed on another surface of the substrate. In a main surface side processed portion, the first electrode layer, semiconductor layer, and third electrode layer are removed, and in another surface side processed portion, the second electrode layer and fourth electrode layer are removed. Acceleration and deceleration regions for forming a crooked structure of the other surface side processed portion, or intersection portions of processing lines configuring the crooked structure, are disposed in locally electrically isolated regions in the first electrode layer before the formation of the semiconductor layer.

SOLAR CELL MODULE AND MANUFACTURING METHOD THEREFOR

A solar cell module is provided with a plurality of solar cells and a wiring material. Each solar cell includes a p-side electrode and an n-side electrode arranged on one principal surface thereof. For each pair of adjacent solar cells, the wiring material electrically connects the p-side electrode of one solar cell and the n-side electrode of the other solar cell. Surface layers of the p-side electrodes and the n-side electrodes comprises, respectively, plating layers each containing at least one power-supplied point. The wiring material is bonded to the solar cells at regions each of which at least includes the power-supplied point. 1. A solar cell module comprising:solar cells each including a p-side electrode and an n-side electrode which are disposed on one main surface; anda wiring member electrically connecting the p-side electrode of one of adjacent two of the solar cells and the n-side electrode of the other solar cell to each other, whereina surface layer of each of the p-side electrode and the n-side electrode is formed of a plating layer including one or plural power supplied points, andthe wiring member is bonded to regions each including at least the power supplied point.2. The solar cell module according to claim 1 , wherein the wiring member includes:a wiring member main body;first bonding portions electrically connected to the wiring member main body and each electrically connected to the region, including at least the power supplied point, of the p-side electrode of the one of the adjacent two solar cells; andsecond bonding portions electrically connected to the wiring member main body and each electrically connected to the region, including at least the power supplied point, of the n-side electrode of the other one of the adjacent two solar cells.3. The solar cell module according to claim 1 , whereinthe plural power supplied points are formed in the plating layer of each of the p-side electrode and the n-side electrode, andeach power supplied ...

Photovoltaic Device and Module with Improved Passivation and a Method of Manufacturing

A photovoltaic device, having an improved passivation of surfaces, such as a circumferential outer wall and/or an aperture wall of a back contact metal wrap-through photovoltaic device, for example, into which the pn-junction of first and second semiconductor layers extends. The passivation comprises a passivating layer of a first type, covering at least part of such wall substantially comprised by the depletion region across the pn-junction; a passivating layer of a second type, covering at least part of such wall comprised by the first semiconductor layer, and a passivating layer of a third type covering at least part of the outer wall comprised by the second semiconductor layer. 130-. (canceled)31. A photovoltaic device , comprising:a layered structure having a front surface for receiving optical radiation and a rear surface opposite to said front surface, the layered structure having a circumferential outer wall surrounding the layered structure;at least one electrical contact arrangement positioned at the rear surface, and optionally at the front surface, or at both the front surface and the rear surface;a first semiconductor layer of a first conductivity type, the first semiconductor layer extending adjacent to the front surface and to the outer wall;at least one electrical front contact positioned in communication with the front surface and the first semiconductor layer, the at least one electrical front contact being connected to the at least one contact arrangement on the front surface, when the at least one contact arrangement is present on the front surface;a second semiconductor layer of a second conductivity type, said second layer extending contiguous to the first layer and to the outer wall;at least one electrical rear contact in communication with the second semiconductor layer and the at least one electrical contact arrangement at the rear surface;the layered structure optionally comprising at least one aperture defined therein extending from the ...

Monolithically integrated solar modules and methods of manufacture

A monolithically integrated cadmium telluride (CdTe) photovoltaic (PV) module includes a first electrically conductive layer and an insulating layer. The first electrically conductive layer is disposed below the insulating layer. The PV module further includes a back contact metal layer and a CdTe absorber layer. The back contact metal layer is disposed between the insulating layer and the CdTe absorber layer. The PV module further includes a window layer and a second electrically conductive layer. The window layer is disposed between the CdTe absorber layer and the second electrically conductive layer. At least one first trench extends through the back contact metal layer, at least one second trench extends through the absorber and window layers, and at least one third trench extends through the second electrically conductive layer. A method for monolithically integrating CdTe PV cells is also provided.

Combinatorial Methods for Making CIGS Solar Cells

The present disclosure is directed to methods of forming different types of CuZnSnS(CZTS) solar cells and Copper Indium Gallium DiSelenide (CIGS) solar cells that can be combinatorially varied and evaluated. These methodologies all incorporate the formation of site-isolated regions using a combinatorial processing tool and the use of these site-isolated regions to form the solar cell area. Therefore, multiple solar cells may be rapidly formed on a single substrate for use in combinatorial methodologies. Any of the individual processes of the methods described may be varied combinatorially to test varied process conditions or materials. 1. A method of combinatorially forming a plurality of solar cells on a single substrate , comprising:depositing one or more back contact layers on a substrate in a site isolated manner;depositing one or more absorber layers on the one or more back contact layers in a site isolated manner;depositing one or more buffer layers on the one or more absorber layers in a site isolated manner;depositing one or front contact layers on the one or more buffer layers in a site isolated manner; andwherein the one or more back contact layers, one or more absorber layers, one or more buffer layers, and one or more front contact layers, together define one or more site-isolated processing regions for one or more testable solar cells.2. The method of claim 1 , wherein different deposition pressures are employed to deposit the one or more absorber layers on at least two different site-isolated processing regions.3. The method of claim 1 , wherein different deposition power is employed to deposit the one or more absorber layers on at least two different site-isolated processing regions.4. The method of claim 1 , wherein different deposition power supply types are employed to deposit the one or more absorber layers on at least two different site-isolated processing regions.5. The method of claim 1 , wherein different substrate temperatures are employed to ...

SOLAR CELL MODULE

A solar cell module includes a wiring member arranged on a back surface of a solar cell. The solar cell module comprises a wiring tab connected to a soldering region of an electrode portion of the solar cell, and an insulating sheet sandwiched between the wiring tab and the solar cell. The wiring tab includes: a flat portion being a region to be soldered; a rising portion rising from the flat portion to a height corresponding to the thickness of the insulating sheet; and an extension portion bending from the rising portion and extending in parallel with the flat portion. 1. A solar cell module comprising:a wiring member arranged on a back surface of a solar cell; andan insulating sheet sandwiched between the wiring member and the solar cell, wherein a flat portion being a region to be soldered;', 'a rising portion rising from the flat portion to a height level corresponding to a thickness of the insulating sheet; and', 'an extension portion bending from the rising portion and extending in parallel with the flat portion., 'the wiring member includes2. The solar cell module according to claim 1 , wherein the solar cell is provided with a soldering region having an area larger than the flat portion of the wiring member.3. The solar cell module according to claim 1 , wherein the insulating sheet is made of filler.4. The solar cell module according to claim 1 , wherein the insulating sheet includes an insulating base material and adhesive layers provided on both surfaces of the insulating base material.5. The solar cell module according to claim 4 , wherein the adhesive layers are made of a thermoreversible resin.6. The solar cell module according to claim 1 , wherein the solar cell is a back contact solar cell. This is a continuation of International Application PCT/JP2011/078751, with an international filing date of Dec. 13, 2011, filed by applicant, the disclosure of which is hereby incorporated by reference in its entiretyThe invention relates to a solar cell module ...

Elongated Photovoltaic Devices, Methods of Making Same, and Systems for Making Same

Under one aspect, a nonplanar photovoltaic module having a length includes: (a) an elongated nonplanar substrate; and (b) a plurality of solar cells disposed on the elongated nonplanar substrate, wherein each solar cell in the plurality of solar cells is defined by (i) a plurality of grooves around the nonplanar photovoltaic module and (ii) a groove along the length of the photovoltaic module. In some embodiments, each groove of the plurality of grooves about the photovoltaic module, independently, has a repeating pattern, a non-repeating pattern, or is helical. In some embodiments, the module further includes a patterned conductor providing serial electrical communication between adjacent solar cells. In some embodiments, portions of the patterned conductor providing serial electrical communication between adjacent solar cells are within a groove of the plurality of grooves about the photovoltaic module. 121-. (canceled)22. A nonplanar photovoltaic module having a length , comprising:a. an elongated nonplanar substrate; andb. a plurality of solar cells disposed on the elongated nonplanar substrate, wherein each solar cell in the plurality of solar cells is defined by (i) a plurality of grooves around the nonplanar photovoltaic module and (ii) a groove along the length of the photovoltaic module.23. The photovoltaic module of claim 22 , wherein each groove of the plurality of grooves about the photovoltaic module claim 22 , independently has a repeating pattern claim 22 , a non-repeating pattern claim 22 , or is helical.24. The photovoltaic module of claim 22 , further comprising a patterned conductor providing serial electrical communication between adjacent solar cells in the plurality of solar cells.25. The photovoltaic module of claim 24 , wherein portions of the patterned conductor providing serial electrical communication between adjacent solar cells are within a groove of the plurality of grooves about the photovoltaic module.26. The photovoltaic module of ...

SOLAR CELL MODULE

The present invention improves the reliability of back contact solar cell modules that are electrically connected by means of wiring material. A solar cell module () is provided with a plurality of solar cells (), and wiring material (). Each solar cell () has a p-side electrode () and an n-side electrode () arranged on a single main surface (). Among adjacent solar cells (), the wiring material () electrically connects the p-side electrode () of one solar cell () to the n-side electrode () of another solar cell (). The surface layers of the p-side electrode () and the n-side electrode () include plating layers () which have at least one power supply point (). The wiring material () is bonded to the plating layers such that the wiring material overlaps a portion of the power supply points () of each solar cell (), and does not overlap another portion of the power supply points (). 1. A solar cell module provided with a plurality of solar cells having a p-side electrode and an n-side electrode arranged on one main surface , and wiring material electrically connecting the p-side electrode of one solar cell to the n-side electrode of another adjacent solar cell;each surface layer of the p-side electrode and the n-side electrode including a plating layer having at least one power supply point; andthe wiring material being bonded to each plating layer such that the wiring material overlaps a portion of the power supply point of each solar cell, and does not overlap another portion of the power supply point.2. The solar cell module according to claim 1 , wherein the wiring material is bonded to the plating layer using solder.3. The solar cell module according to claim 1 , wherein the wiring material has an opening or notch arranged in the location overlapping a portion of the power supply point.4. The solar cell module according to claim 1 , wherein the power supply point is provided so as to straddle the wiring material.5. The solar cell module according to claim 1 , ...

Methods of Building Crystalline Silicon Solar Cells for Use in Combinatorial Screening

Embodiments of the current invention describe methods of forming different types of crystalline silicon based solar cells that can be combinatorially varied and evaluated. Examples of these different types of solar cells include front and back contact silicon based solar cells, all-back contact solar cells and selective emitter solar cells. These methodologies all incorporate the formation of site-isolated regions using a combinatorial processing tool and the use of these site-isolated regions to form the solar cell area. Therefore, multiple solar cells may be rapidly formed on a single crystalline silicon substrate for use in combinatorial methodologies. Any of the individual processes of the methods described may be varied combinatorially to test varied process conditions or materials. 1. A crystalline silicon solar cell test substrate , comprising:a diffusion barrier material deposited onto a frontside and a backside of a crystalline silicon substrate;a plurality of site-isolated regions defined on the frontside of the crystalline silicon substrate, wherein the site-isolated regions are defined by etching regions of the diffusion barrier material to expose regions of crystalline silicon, and wherein the exposed regions of crystalline silicon are textured after the etching of the diffusion barrier material, and wherein the exposed regions of crystalline silicon are doped with an n-type dopant after the texturing of the exposed regions of crystalline silicon;a passivation layer formed over the site-isolated regions;an electrical contact formed to the doped exposed regions of crystalline silicon within each of the site-isolated regions; anda plurality of electrical contacts formed to the backside of the crystalline silicon substrate, wherein at least one electrical contact formed to the backside of the crystalline silicon substrate is aligned with one of the site-isolated regions defined on the frontside of the crystalline silicon substrate.2. The silicon solar cell ...

INTEGRATED BACK-SHEET FOR BACK CONTACT PHOTOVOLTAIC MODULE

An integrated back-sheet for a back-contact solar cell module with a plurality of electrically connected back-contact solar cells is provided. The back-sheet comprises a homogeneous polymer substrate comprised of 20 to 95 weight percent olefin-based elastomer and 5 to 70 weight percent of inorganic particulates. Electrically conductive metal wires are at least partially embedded in the homogeneous polymer substrate. A back-contact solar module with the integrated back-sheet is also provided. 1. An integrated back-sheet for a solar cell module with a plurality of electrically connected back-contact solar cells , comprising:a homogeneous polymer substrate having opposite first and second surfaces, said polymer substrate having a thickness of at least 0.25 mm, said polymer substrate comprising 20 to 95 weight percent olefin-based elastomer and 5 to 75 weight percent of inorganic particulates, based on the weight of the polymer substrate, wherein said olefin-based elastomer is a copolymer comprised of at least 50 weight percent of monomer units selected from ethylene and propylene monomer units based on the weight of the olefin-based elastomer;a plurality of electrically conductive metal wires attached to said homogeneous polymer substrate, said homogeneous polymer substrate adhering to said metal wires, and said metal wires being at least partially embedded in said homogeneous polymer substrate.2. The integrated back-sheet of wherein said olefin-based elastomer is an ethylene propylene diene terpolymer.3. The integrated back-sheet of wherein said olefin-based elastomer is a copolymer comprised of at least 50 weight percent of monomer units selected from ethylene and propylene monomer units copolymerized with one or more different Calpha olefin monomer units claim 1 , and said olefin-based elastomer has a melt index of less than 25 g/10 minutes measured according to ASTM D1238.4. The integrated back-sheet of wherein said plurality of metal wires are disposed directly on ...

METHODS AND APPARATUS FOR METALLIZATION OF SOLAR CELLS

A superstrate, such as a sheet of polymer film, is used as a transport during metallization of solar cells. The back sides of the solar cells are attached to the sheet of polymer film. Contact holes are formed through the sheet of polymer film to expose doped regions of the solar cells. Metals are formed in the contact holes to electrically connect to the exposed doped regions of the solar cells. The metals are electroplated to form metal contacts of the solar cell. Subsequently, the solar cells are separated from other solar cells that were metallized while supported by the same sheet of polymer film to form strings of solar cells or individual solar cells. 1. A system for metallization of solar cells , the system comprising:a transport comprising a sheet of polymer film; anda plurality of solar cells having back sides attached to a continuous portion of the sheet of polymer film, the continuous portion of the sheet of polymer film serving as the transport during metallization of the plurality of solar cells;wherein metal contacts of the plurality of solar cells are formed through the sheet of polymer film while the plurality of solar cells are still attached to the continuous portion of the sheet of polymer film.2. The system of wherein the sheet of polymer film comprises polyimide.3. The system of wherein each of the plurality of solar cells comprises a sliver of a silicon wafer and has a front side surface from along a thickness of the wafer.4. The system of wherein the sheet of polymer film supports the plurality of solar cells during electroplating of the plurality of solar cells to form the metal contacts.5. The system of wherein the sheet of polymer film supports the plurality of solar cells during etching of the plurality of solar cells to form contact holes in the plurality of solar cells.6. The system of wherein the sheet of polymer film supports the plurality of solar cells during formation of metals in the contact holes.7. The system of wherein the ...

Solar Cell Module

A solar cell module with a simple configuration and high efficiency is provided. A solar cell module of the present invention is configured by electrically connecting a plurality of solar cell elements. Each of the plurality of solar cell elements includes a plurality of first connection parts representing wiring connection parts in a first electrode and a plurality of second connection parts representing wiring connection parts in a second electrode on the same surface. A first solar cell element and a second solar cell element arranged adjacent to each other have portions of the plurality of first connection parts of the first solar cell element and the plurality of second connection parts of the second solar cell element connected by a wiring having a linear form in plan view. 120-. (canceled)21. A solar cell module comprising:a plurality of solar cell elements and wiring material, each of said plurality of solar cell elements comprising:a semiconductor substrate comprising a first surface for receiving solar light and a second surface on a back side of said first surface;a first electrode comprising a first connection part arranged on said second surface of said semiconductor substrate; anda second electrode comprising a second connection part arranged on said second surface of said semiconductor substrate, and a power collecting part electrically connected to said second connection part, andthe first connection part comprising a plurality of first divided portions separated from each other and arrayed along an arraying direction of the solar elements, and each of the first divided portion is entirely surrounded by the second electrode and apart from the second electrode and connected to each other by the wiring material which is partially linear,wherein said wiring material has a partially linear form in plan view, configured for connecting the plurality of solar cell elements arrayed, wherein said partially linear wiring material is positioned parallel to the ...

SOLAR BATTERY CELL, JUNCTION STRUCTURE, AND SOLAR BATTERY CELL FABRICATION METHOD

Included are: a silicon substrate; a pair of finger electrodes connected to a P-type diffusion layer and an N-type diffusion layer respectively, which are formed in a first surface of the silicon substrate; an inner-part passivation layer that gives insulation between the pair of finger electrodes; a connecting area for connection with an outer part, in a gathering part where finger parts of one of the pair of finger electrodes gather; and a barrier part that is, within that connecting area, formed along tip ends of the finger parts of the other of the pair of finger electrodes, a polarity of the other being different from that of the one of the pair of finger electrodes of the connecting area. 1. A solar battery cell comprising:a silicon substrate;a pair of finger electrodes connected to a P-type diffusion layer and an N-type diffusion layer respectively, which are formed in a first surface of the silicon substrate;an inner-part passivation layer that gives insulation between the pair of finger electrodes;a connecting area for connection with an outer part, in a gathering part where finger parts of one of the pair of finger electrodes gather; anda barrier part that is, within the connecting area, formed along tip ends of the finger parts of the other of the pair of finger electrodes, a polarity of the other being different from that of the one of the pair of finger electrodes of the connecting area.2. A solar battery cell according to claim 1 , whereinthe connecting areas are given to the pair of finger electrodes respectively.3. A solar battery cell according to claim 1 , whereinthe barrier part is in a circular-arc shape and, outside the circular-arc shape, the tip ends of the finger parts of the other of the pair of finger electrodes are arranged.4. A solar battery cell according to claim 1 , whereinthe barrier part is formed with a material of at least one kind among a Si oxide, a Si nitride, a Ti oxide and a Ti nitride.5. A joining structure body comprising a ...

Smart photovoltaic cells and modules

A back contact solar cell with on-cell electronics is provided. The back contact solar cell is comprised of a semiconductor substrate having a light capturing front side and a backside opposite the light capturing front side. A first interdigitated metallization pattern is positioned on the backside of the semiconductor substrate and a backplane supports and is attached to the backside of the semiconductor substrate. A second interdigitated metallization pattern positioned on the backplane and is connected to the first interdigitated metallization pattern. An on-cell electronic component is attached to the second interdigitated metallization pattern and electrical leads connect the on-cell electronic component to the second interdigitated metallization pattern.

Method and device for connecting solar cells to form a solar cell string, and a solar cell string

A device for electrically connecting back surface solar cells to form a solar cell string includes an application unit for applying double-sided adhesive insulating strips to the solar cells disposed behind one another along a longitudinal axis, which insulating strips are attached to the solar cells by pressing. The device has an assembly unit for positioning electrical conductor elements on the insulating strips for connecting two adjacent solar cells. The conductor elements are flexible components for creating stress relief structures that are produced in a shaping unit disposed next to the application unit.

CONCATENATION OF INTERCONNECTED POLYMER SOCKETS FOR BACK-CONTACT PHOTOVOLTAIC CELLS

A concatenation of interconnected polymer sockets are provide for accepting and electrically connecting a back-contact photovoltaic cells having at least one set of linearly arranged backface emitter contacts and at least one set of linearly arranged backface collector contacts. A process for manufacturing the concatenation of interconnected polymer sockets for accepting and electrically connecting back-contact photovoltaic cells is also provided. 1. A concatenation of interconnected polymer sockets each for accepting and electrically connecting a back-contact photovoltaic cell having at least one set of linearly arranged backface emitter contacts and at least one set of linearly arranged backface collector contacts , each polymer socket comprisinga. a planar, electrically insulating polymer substrate comprising perforations coinciding with the at least one set of linearly arranged backface emitter contacts of a back-contact photovoltaic cell to be accepted and electrically connected by the polymer socket, said substrate having a frontface and backface on opposite sides of the substrate, the frontface being on the side of the substrate on which the back-contact photovoltaic cell is to be accepted and electrically connected by the polymer socket, andb. at least one electrical conductor being collinear with the perforations of the planar polymer substrate coinciding with the at least one set of linearly arranged backface emitter contacts of a back-contact photovoltaic cell to be accepted and electrically connected by the polymer socket, and being adhered to the backface of the planar polymer substrate,wherein the at least one electrical conductor of each polymer socket, except the last one in said concatenation, is adhered to the frontface of one adjacent polymer socket so as to be collinear with the at least one set of linearly arranged backface collector contacts of the back-contact photovoltaic cell to be accepted and electrically connected by said adjacent polymer ...

PHOTOVOLTAIC MODULE AND PROCESS FOR MANUFACTURE THEREOF

A photovoltaic module has a plurality of interconnected polymer sockets that have accepted and electrically connected a plurality of back-contact photovoltaic cells each having at least one set of linearly arranged backface emitter contacts and at least one set of linearly arranged backface collector contacts. A process for manufacturing such a photovoltaic module is also provided. 2. The photovoltaic module according to claim 1 , wherein the planar claim 1 , electrically insulating polymer substrate of each polymer socket comprises additional perforations coinciding with the backface collector contacts of the accepted and electrically connected back-contact photovoltaic cell.3. The photovoltaic module according to claim 1 , wherein the planar polymer substrate comprises of at least one elastomeric thermoplastic polymer.4. The photovoltaic module according to claim 3 , wherein the at least one elastomeric thermoplastic polymer is a polyester polyether copolymer.5. (canceled)6. The photovoltaic module according to claim 3 , wherein the at least one elastomeric thermoplastic polymer is a styrenic block copolymer.7. The photovoltaic module according to claim 1 , wherein the back sheet is adhered to said plurality of concatenated polymer sockets by a back encapsulant layer disposed between said back sheet and said plurality of concatenated polymer sockets.8. A process for the manufacture of a photovoltaic module comprising the steps of:a. providing a plurality of back-contact photovoltaic cells each having at least one set of linearly arranged backface emitter contacts and at least one set of linearly arranged backface collector contacts; i. providing a planar, electrically insulating polymer substrate having perforations coinciding with the at least one set of linearly arranged backface emitter contacts of the back-contact photovoltaic cell being accepted and electrically connected by the polymer socket, each substrate each having a frontface and backface on opposite ...

Solar cell and method for manufacturing same

Disclosed are a solar cell and a method for fabricating the same. The solar cell according to the present invention comprises a substrate including a plurality of unit cell regions and a plurality of wiring regions positioned between the unit cell regions; a first semiconductor layer being formed on any one unit cell area of the plurality of unit cell regions; a partition layer being formed on the first semiconductor layer and partitioning a region on the first semiconductor layer into first and second regions; a separation layer being formed on any one wiring region of the plurality of wiring regions; a first electrode layer being formed on the first region of the first semiconductor layer; a second semiconductor layer being formed on the second region of the first semiconductor layer; a second electrode layer being formed on the second semiconductor layer; and an electrode connection layer being connected to one end of the second electrode layer as the same layer and being formed on the separation layer.

METAL FOIL PATTERN LAYERED BODY, METAL FOIL LAYERED BODY, METAL FOIL MULTI-LAYER SUBSTRATE, SOLAR CELL MODULE, AND METHOD OF MANUFACTURING METAL FOIL PATTERN LAYERED BODY

A metal foil pattern layered body of the invention includes: a base member; a metal foil including a metal foil pattern formed by an opening and a metal portion; and a protuberance provided at the metal foil and at a boundary between the opening and the metal portion. 1. A metal foil pattern layered body comprising:a base member;a metal foil including a metal foil pattern formed by an opening and a metal portion; anda protuberance provided at the metal foil and at a boundary between the opening and the metal portion.2. The metal foil pattern layered body according to claim 1 , further comprising:an adhesive layer disposed above a top face of the base member, whereinthe metal foil pattern is stacked in layers on the base member with the adhesive layer interposed therebetween, andthe protuberance is bended toward the base member and formed in the adhesive layer.3. The metal foil pattern layered body according to claim 2 , whereinthe adhesive layer is disposed on the top face of the base member, andthe metal foil pattern is stacked in layers on the base member with the adhesive layer interposed therebetween, the adhesive layer being disposed on the top face of the base member.4. The metal foil pattern layered body according to claim 2 , further comprisinga buffer layer disposed between the base member and the adhesive layer, whereinthe adhesive layer is disposed on the buffer layer, andthe metal foil pattern is stacked in layers on the base member with the adhesive layer interposed therebetween, the adhesive layer being disposed on the buffer layer.5. The metal foil pattern layered body according to claim 3 , whereinthe protuberance has an inclined surface extending toward the base member in a direction toward the edge of the metal foil pattern.6. The metal foil pattern layered body according to claim 4 , whereinthe protuberance has an inclined surface extending toward the base member in a direction toward the edge of the metal foil pattern.7. The metal foil pattern ...

SOLAR CELL MODULE

A solar cell module includes a plurality of solar cells each including a semiconductor substrate, first electrodes positioned on a front surface of the semiconductor substrate, and second electrodes positioned on a back surface of the semiconductor substrate, and a plurality of wiring members connecting the first electrodes of a first solar cell of the plurality of solar cells to the second electrode of a second solar cell adjacent to the first solar cell. At least a portion of the first electrodes includes first pads each having a width greater than a width of the first electrode at crossings of the wiring members and the first electrodes. A size of at least one of the first pads is different from a size of the remaining first pads. 1. A solar cell module comprising:a plurality of solar cells each including a semiconductor substrate, and first electrodes and second electrodes which are alternately positioned on a back surface of the semiconductor substrate in parallel with each other in a first direction;a plurality of first wiring members positioned in a second direction crossing the first direction, electrically connected to the first electrodes through a conductive layer, insulated from the second electrodes, and configured to connect the plurality of solar cells in series; anda plurality of second wiring members positioned in the second direction, electrically connected to the second electrodes through the conductive layer, insulated from the first electrodes, and configured to connect the plurality of solar cells in series,wherein each of the plurality of solar cells includes first pads formed at crossings of the first wiring members and the first electrodes, and second pads formed at crossings of the second wiring members and the second electrodes, andwherein the first pads or the second pads include a first contact pad having a width greater than a width of each of the first and second electrodes, and at least one second contact pad having a size larger than ...

LASER TECHNIQUES FOR FOIL-BASED METALLIZATION OF SOLAR CELLS

Methods of fabricating a solar cell including metallization techniques and resulting solar cells, are described. In an example, a semiconductor region can be formed in or above a substrate. A first metal layer can be formed over the semiconductor region. A laser can be applied over a first region of the metal layer to form a first metal weld between the metal layer and the semiconductor region, where applying a laser over the first region comprises applying the laser at a first scanning speed. Subsequent to applying the laser over the first region, the laser can be applied over a second region of the metal layer where applying the laser over the second region includes applying a laser at a second scanning speed. Subsequent to applying the laser over the second region, the laser can be applied over a third region of the metal layer to form a second metal weld, where applying the laser over the third region comprises applying the laser at a third scanning speed. 126.-. (canceled)27. A solar cell , comprising:a semiconductor region disposed in or above a substrate;a metal layer over the semiconductor region;a first non-circular shaped metal weld;a second non-circular shaped metal weld; anda first damaged region on the metal layer, wherein the first damaged region is located between the first and second non-circular shaped metal welds.28. The solar cell of claim 27 , wherein the semiconductor region comprises an N-type polycrystalline region or a P-type polycrystalline region.29. The solar cell of claim 27 , wherein the metal layer comprises a metal foil.30. The solar cell of claim 27 , wherein the metal layer comprises aluminum.31. The solar cell of claim 27 , further comprising a metal seed region disposed between the metal layer and the semiconductor region.32. The solar cell of claim 31 , wherein the first and second non-circular shaped metal welds electrically connect the metal layer to the metal seed region.33. The solar cell of claim 27 , wherein the first and ...

Method and apparatus of fabricating an interconnector assembly

The invention to a method of making an interconnector assembly for electrically interconnecting solar cells, wherein the method comprises: feeding a plurality of (preferably elongated) electrical conductors that form an conductor array defining interspaces that are free from conductors; and applying at least one sheet, preferably made of electrically insulating material, to a side of the conductor array, wherein the sheet has at least one contact zone coming into contact with the conductors and intermediate portions overlapping with the interspaces of the conductor array. The invention also refers to an apparatus for fabricating an interconnector assembly for electrically interconnecting solar cells and to a rotatable heating drum.

METHOD FOR PRODUCING A PHOTOVOLTAIC SOLAR CELL, PHOTOVOLTAIC SOLAR CELL AND PHOTOVOLTAIC MODULE

A method for producing a photovoltaic solar cell, including the method steps: A. providing at least one solar cell precursor having at least one base and at least one emitter; B. providing a metal film on a back side of the solar cell precursor, so that the metal film is electrically conductively connected to the base or the emitter, the metal film being formed as an integral component of the back side contact and the solar cell being terminated on the back side. The at least one cell connection region on at least one side of the metal film overhangs the edge of the solar cell precursor by at least 1 mm, preferably by at least 3 mm. 1111abc. A method for producing a photovoltaic solar cell ( , , ) comprising the following steps:A. providing at least one solar cell precursor having at least one base and at least one emitter;{'b': 3', '3', '3', '3', '3', '3', '3', '3', '3', '1', '1', '1, 'i': a', 'b', 'c', 'a', 'b', 'c', 'a', 'b', 'c', 'a', 'b', 'c, 'claim-text': {'b': 3', '3', '3', '4', '4', '4, 'i': a', 'b', 'c', 'a', 'b', 'c, 'wherein the arranging of the metal foil (, , ) includes the metal foil projecting beyond an edge of the solar cell precursor with at least one cell connection region (, , ) at at least one side by at least 200 μm.'}, 'B. arranging a metal foil (, , ) at a back side of the solar cell precursor, such that the metal foil (, , ) is electrically conductively connected to the base or the emitter, wherein the metal foil (, , ) is formed as an integral part of the back-side contacting and terminating the solar cell (, , ) at the back side;'}2333abc. The method as claimed in claim 1 , wherein the metal foil is a monolayer metal foil ( claim 1 , claim 1 , ).3333abc. The method as claimed in claim 1 , wherein the metal foil ( claim 1 , claim 1 , ) is electrically conductively connected to the solar cell precursor via a plurality of point contacts claim 1 , the method further comprising:{'b': 3', '3', '3', '3', '3', '3, 'i': a', 'b', 'c', 'a', 'b', 'c, ' ...

METHOD FOR MANUFACTURING A PHOTOVOLTAIC MODULE WITH TWO ETCHING STEPS P1 AND P3 AND CORRESPONDING PHOTOVOLTAIC MODULE

The invention relates to a method for manufacturing a photovoltaic module comprising plurality of solar cells in a thin-layer structure, in which the following are formed consecutively in the structure: an electrode on the rear surface (), a photovoltaic layer () obtained by depositing components including metal precursors and at least one element taken from Se and S and by annealing such as to convert said components into a semiconductor material, and another semiconductor layer () in order to create a pn junction with the photovoltaic layer (); characterised in that the metal precursors form, on the electrode on the rear surface (), a continuous layer, while said at least one element forms a layer having at least one break making it possible, at the end of the annealing step, to leave an area () of the layer of metal precursors in the metal state at said break. 14143444341420421422430420. A process for producing a photovoltaic module comprising a plurality of solar cells in a thin film structure , in which the following are successively produced in the structure: a rear-face electrode () , a photovoltaic film () obtained by deposition of constituents comprising metal precursors and at least one element taken from Se and S and , by annealing , to convert these constituents into a semiconducting material , and another semiconducting film () , in order to create a pn junction with the photovoltaic film () , characterized in that the metal precursors form , on the rear-face electrode () , a continuous film () , whereas said at least one element forms a film () exhibiting at least one discontinuity () , making it possible , on conclusion of the annealing , to leave a region () of the film () of metal precursors in the metal state at said discontinuity.2421. The process as claimed in claim 1 , characterized in that the film () of said at least one element is deposited in localized fashion.3. The process as claimed in claim 1 , characterized in that the metal precursors ...

Collector sheet for solar cell, and solar cell module using collector sheet for solar cell

Provided is a collector sheet for a solar cell, and contributing to improvement of power generation efficiency. A collector sheet ( 5 ) for a solar cell is disposed on the rear surface side of a solar cell element ( 4 ), and is provided with: a circuit ( 54 ), which is formed on the front surface of a resin base material ( 53 ), and which is configured of a wiring section ( 541 ) composed of a metal, and a non-wiring section ( 542 ); and an insulating layer ( 52 ), which is formed on the circuit ( 54 ). Light extraction to the solar cell element ( 4 ) due to reflection from the insulating layer ( 52 ) is increased, said insulating layer being disposed at the element periphery of the solar cell element ( 4 ), by having a white pigment contained in the insulating layer ( 52 ), and power generation efficiency is improved even in a back contact solar cell element.

METHOD FOR FABRICATING A SOLAR MODULE OF REAR CONTACT SOLAR CELLS USING LINEAR RIBBON-TYPE CONNECTOR STRIPS AND RESPECTIVE SOLAR MODULE

A solar module and a method for fabricating a solar module comprising a plurality of rear contact solar cells are described. Rear contact solar cells () are provided with a large size of e.g. 156×156 mm. Soldering pad arrangements () applied on emitter contacts () and base contacts () are provided with one or more soldering pads () arranged linearly. The soldering pad arrangements () are arranged asymmetrically with respect to a longitudinal axis (). Each solar cell () is then separated into first and second cell portions () along a line () perpendicular to the longitudinal axis (). Due to such cell separation and the asymmetrical design of the soldering pad arrangements (), the first and second cell portions () may then be arranged alternately along a line with each second cell portion () arranged in a 180°-orientation with respect to the first cell portions () and such that emitter soldering pad arrangements () of a first cell portion () are aligned with base soldering pad arrangements () of neighboring second cell portions (), and vice versa. Simple linear ribbon-type connector strips () may be used for interconnecting the cell portions () by soldering onto the underlying aligned emitter and base soldering pad arrangements (). The interconnection approach enables using standard ribbon-type connector strips () while reducing any bow as well as reducing series resistance losses. 16-. (canceled)7. A solar module , comprising:a first cell portion on a semiconductor substrate, the first cell portion comprising a first soldering pad arrangement of emitter contacts and of base contacts;a second cell portion on the semiconductor substrate, the second cell portion comprising a second soldering pad arrangement of emitter contacts and of base contacts, wherein the first soldering pad arrangement and the second soldering pad arrangement are aligned asymmetrically with respect to an axis of a semiconductor substrate;the first cell portion separate from the second cell portion ...

GAS PRODUCTION APPARATUS

A gas production apparatus is provided which includes: a module including a plurality of PN junctions connected in series to one another, each being formed of an inorganic semiconductor and having a light receiving surface; two gas generators that are provided at open ends of PN junctions at both extremities of the module, respectively, on a side of the light receiving surface; an electrolysis chamber which contains an aqueous electrolytic solution in contact with the two gas generators and contains gases generated by the two gas generators; and a diaphragm which is ion-permeable but gas-impermeable, and partitions the electrolysis chamber into two regions including the two gas generators, respectively, and containing hydrogen and oxygen, respectively. 1. A gas production apparatus , comprising:a PN junction module including a plurality of PN junctions connected in series to one another, each being formed of an inorganic semiconductor and having a light receiving surface on one side and a back surface on another side;two gas generators adapted to generate hydrogen gas and oxygen gas, respectively, that are provided at an open end of a PN junction at one extremity of the PN junction module and an open end of a PN junction at another extremity of the PN junction module, respectively, on a side of the PN junction module where the light receiving surface is located;an electrolysis chamber adapted to contain an aqueous electrolytic solution in contact with the two gas generators and contain gases generated by the two gas generators; anda diaphragm which is ion-permeable but gas-impermeable, and partitions the electrolysis chamber into two regions including the two gas generators, respectively, whereinthe PN junction module is connected in series by connecting the back surface of a PN junction to the light receiving surface of an adjacent PN junction by a conductive material, andthe two regions into which the electrolysis chamber is partitioned by the diaphragm are a ...

SOLAR CELL MODULE

A solar cell module includes a plurality of solar cells, each solar cell including a semiconductor substrate, an emitter region, a back surface field region a first electrode connected to the emitter region, a second electrode connected to the back surface field region, and a conductive line connected to one electrode of the first and second electrodes using a conductive adhesive and insulated from the other electrode of the first and second electrodes through an insulating layer, the conductive line being used to connect a plurality of solar cells in series. A thickness of the conductive adhesive between the one electrode and the conductive line is greater than a thickness of the insulating layer between the other electrode and the conductive line. 1. A solar cell module comprising:a plurality of solar cells, each solar cell including a semiconductor substrate doped with impurities of a first conductive type;an emitter region doped with impurities of a second conductive type opposite the first conductive type;a back surface field region more heavily doped than the semiconductor substrate with impurities of the first conductive type;a first electrode connected to the emitter region;a second electrode connected to the back surface field region; anda conductive line connected to one electrode of the first electrode and the second electrode using a conductive adhesive and insulated from the other electrode of the first electrode and the second electrode through an insulating layer, the conductive line being used to connect the plurality of solar cells in series,wherein a thickness of the conductive adhesive between the one electrode and the conductive line is greater than a thickness of the insulating layer between the other electrode and the conductive line.2. The solar cell module of claim 1 , wherein the insulating layer and the conductive line are separated from each other by a separation space.3. The solar cell module of claim 2 , wherein an encapsulant is ...

SOLAR CELL MODULE

A solar cell module is discussed, and the solar cell module includes a plurality of solar cells each including an electron current collector and an hole current collector on a back surface of a semiconductor substrate and a connection member for connecting an electron current collector of one of two adjacent solar cells of the plurality of solar cells to a hole current collector of the other of the two adjacent solar cells of the plurality of solar cells. The connection member includes a printed circuit film including an insulating film and a conductive pattern disposed on the insulating film and a conductive adhesive for attaching the conductive pattern to the electron current collector and the hole current collector. 1. A solar cell module comprising:a plurality of solar cells each including an electron current collector and an hole current collector on a back surface of a semiconductor substrate; anda connection member configured to connect an electron current collector of one of two adjacent solar cells of the plurality of solar cells to a hole current collector of the other of the two adjacent solar cells of the plurality of solar cells,wherein the connection member includes:a printed circuit film including an insulating film and a conductive pattern disposed on the insulating film; anda conductive adhesive configured to attach the conductive pattern to the electron current collector and the hole current collector.2. The solar cell module of claim 1 , wherein the conductive pattern includes a first pattern electrically connected to the electron current collector of the one of the two adjacent solar cells and a second pattern electrically connected to the hole current collector of the other of the two adjacent solar cells.3. The solar cell module of claim 2 , wherein the conductive pattern further includes a connection pattern for connecting the first pattern with the second pattern.4. The solar cell module of claim 3 , wherein the first pattern and the second ...

SOLAR CELL MODULE AND METHOD FOR MANUFACTURING THE SAME

A method for manufacturing a solar cell module, the method includes a cell forming operation for forming a first solar cell and a second solar cell by, for each of the first and second solar cells, attaching a first auxiliary electrode and a second auxiliary electrode to a back surface of a semiconductor substrate on which a plurality of first electrodes and a plurality of second electrodes are formed; and a cell string forming operation for connecting the first auxiliary electrode of the first solar cell to the second auxiliary electrode of the second solar cell through an interconnector to form a cell string. 1. A method for manufacturing a solar cell module , the method comprising:a cell forming operation for forming a first solar cell and a second solar cell by, for each of the first and second solar cells, attaching a first auxiliary electrode and a second auxiliary electrode to a back surface of a semiconductor substrate on which a plurality of first electrodes and a plurality of second electrodes are formed; anda cell string forming operation for connecting the first auxiliary electrode of the first solar cell to the second auxiliary electrode of the second solar cell through an interconnector to form a cell string.2. The method of claim 1 , wherein the cell forming operation includes claim 1 , for each of the first and second solar cells:an attaching operation for attaching an insulating member, on which the first auxiliary electrode and the second auxiliary electrode are formed, to the back surface of the semiconductor substrate; anda peeling operation for separating the insulating member from the first auxiliary electrode and the second auxiliary electrode.3. The method of claim 2 , wherein in the attaching operation claim 2 , the first and second auxiliary electrodes cross a longitudinal direction of the plurality of first electrodes and the plurality of second electrodes claim 2 , and are attached to the plurality of first electrodes and the plurality of ...

SHADE MANAGEMENT OF SOLAR CELLS AND SOLAR CELL REGIONS

A photovoltaic solar structure comprises at least two electrically connected solar cell regions forming a shade management block. The solar cell regions have a light receiving frontside and a passivated backside opposite the light receiving frontside and a first metallization over the passivated backside has base and emitter metallization contacting base and emitter regions of the solar cell regions. An electrically insulating backplane is over the backsides of the two solar cells regions. The electrically insulating backplane covers the first metallization of the two solar cell regions. A second metallization is over the electrically insulating backplane and contacts the first metallization through the electrically insulating backplane. The second metallization has at least an opposite polarity electrical connection electrically connecting the solar cell regions of the shade management block. The opposite polarity connection has positive and negative electrical polarities. The opposite polarity electrical connection is connected to a bypass diode. 1. A photovoltaic solar structure , comprising: a light receiving frontside and a passivated backside opposite said light receiving frontside; and', 'a first metallization over said passivated backside, said first metal having base and emitter metallization contacting base and emitter regions of said solar cell regions;, 'at least two electrically connected solar cell regions forming a shade management block, said solar cell regions having at leastan electrically insulating backplane over said backsides of at least two solar cell regions, said electrically insulating backplane covering said first metallization of said at least two solar cell regions; anda second metallization over said electrically insulating backplane and contacting said first metallization through said electrically insulating backplane, said second metallization having at least an opposite polarity electrical connection electrically connecting said at ...

SINGLE CELL PHOTOVOLTAIC MODULE

A photovoltaic module includes a first transparent electrode layer characterized by a first sheet resistance, a second transparent electrode layer, and a photovoltaic material layer. The photovoltaic material layer is located between the first transparent electrode layer and the second transparent electrode layer. The photovoltaic module also includes a first busbar having a second sheet resistance lower than the first sheet resistance. The first transparent electrode layer, the second transparent electrode layer, and the photovoltaic material layer have an aligned region that forms a central transparent area of the photovoltaic module. The central transparent area including a plurality of sides. The first busbar is in contact with the first transparent electrode layer adjacent to at least a portion of each of the plurality of sides of the central transparent area. 1. (canceled)2. A photovoltaic module comprising:a first visibly transparent electrode layer;a second visibly transparent electrode layer;a visibly transparent photovoltaic material layer, the visibly transparent photovoltaic material layer located between the first visibly transparent electrode layer and the second visibly transparent electrode layer, wherein overlapping regions of the first visibly transparent electrode layer, the visibly transparent photovoltaic material layer, and the second visibly transparent electrode layer define a visibly transparent active area of the photovoltaic module;a first set of one or more contact points electrically coupled to the first visibly transparent electrode layer at positions outside the visibly transparent active area; anda second set of one or more contact points electrically coupled to the second visibly transparent electrode layer at positions outside the visibly transparent active area.3. The photovoltaic module of claim 2 , wherein the first visibly transparent electrode layer includes one or more electrode pads extending from a periphery of the visibly ...

PHOTOVOLTAIC MODULE WITH ENHANCED LIGHT COLLECTION

The present invention is applied to photo voltaic module enhanced light. In particular, the present invention relates to glass-glass and back contact photo photovoltaic modules with enhanced conversion efficiency in areas that are not usually active. 1. A photovoltaic module with back contact cells comprising:a front support layer,at least one solar cell,at least one reflective layer behind the front support layer,the at least one reflective layer comprising a surface for redirecting light to the at least one solar cell.2. A photovoltaic module comprising:a front surface comprised of a transparent front support layer,a back surface comprised of a back protective layer,at least an encapsulating layer between the transparent front support layer and at least one solar cell,the at least one solar cell comprising a front side and a back side,at least two contacts on a back side of the at least one solar cell,at least a second encapsulating layer between the at least one solar cell and a conductive material and with local openings to be occupied by an electrical connection between the at least one contact and the conductive material, andat least one reflective layer disposed in the interstitial space adjacent to the at least one solar cell, the at least one reflective layer comprising a surface for redirecting light to the at least one solar cell.3. The photovoltaic module of claim 2 , wherein the surface of the at least one reflective layer is for redirecting light indirectly to the at least one solar cell.4. The photovoltaic module of claim 3 , wherein the surface of the at least one reflective layer is patterned with a plurality of structures.5. (canceled)6. The photovoltaic module of claim 2 , wherein the at least one reflective layer comprises an inorganic coating.7. The photovoltaic module of claim 2 , wherein the at least one reflective layer comprises an organic coating.8. The photovoltaic module of claim 2 , wherein the at least one reflective layer is coupled ...

METHOD OF MANUFACTURING A CIRCUIT BOARD BY PUNCHING

A method of manufacturing a circuit board includes: forming a plurality of metal electrodes so as to be separated from each other on a holding sheet by cutting a metal foil held on the holding sheet to remove a portion of the metal foil; forming adhesive layers on surfaces of the plurality of metal electrodes; adhering the adhesive layers to a base material by closely contacting the adhesive layers with the base material; and transcribing the adhesive layers and the plurality of metal electrodes onto the base material by detaching the holding sheet from the plurality of metal electrodes. 1. A method of punching a metal foil wherein a base material and a metal foil are adhered with a stepwise-curing type adhesive , and a tip of a punching blade is pushed onto the metal foil to cut the metal foil , the method comprising:adhering the base material and the metal foil through the stepwise-curing type adhesive;separating the region which requires the metal foil and the region which does not require the metal foil in the metal foil by pushing a tip of the punching blade onto the metal foil to cut the metal foil in a cross section that is parallel to a thickness direction of the metal foil, along a separating line defined by the tip of the pushed punching blade, and by detaching a predetermined area of the metal foil whose center is the separating line from the stepwise-curing type adhesive;shredding the region which does not require the metal foil by pushing the tip of the punching blade onto the region which does not require the metal foil to cut the region which does not require the metal foil in a cross section that is parallel to the thickness direction, along a shredding line defined by the tip of the pushed punching blade, and by detaching a predetermined area of the region which does not require the metal foil whose center is the shredding line from the stepwise-curing type adhesive; andcuring the stepwise-curing type adhesive by heating to obtain a stepwise-curing ...

Photovoltaic module with bypass diodes

Photovoltaic module with a back side conductive substrate ( 10 ) and a plurality of PV-cells ( 2 ) having back contacts and being arranged in an array on a top surface of the back side conductive substrate ( 10 ). A circuit of series and/or parallel connected PV-cells ( 2 ) is formed by connections ( 8 ) between the back contacts and the back side conductive substrate ( 10 ). A plurality of by-pass diodes ( 5 ) are present having back contacts ( 6 a, 6 b ) in electrical contact with the circuit of series and/or parallel connected PV-cells ( 2 ), wherein the by-pass diodes ( 5 ) are positioned on empty parts ( 4 ) of the top surface of the back side conductive substrate ( 10 ). Each by-pass diode is a wafer based diode and is connected in parallel with one or more PV-cells ( 2 ).

SOLAR CELL AND SOLAR CELL MODULE

A solar cell and a solar cell module are disclosed. The solar cell includes a semiconductor substrate, an emitter region extending in a first direction, a back surface field region extending in the first direction in parallel with the emitter region, a first electrode connected to the emitter region and extending in the first direction, and a second electrode connected to the back surface field region and extending in the first direction. The first electrode has different linewidths at two positions that are separated from each other in the first direction. The second electrode has different linewidths at two positions that are separated from each other in the first direction. A linewidth of the first electrode and a linewidth of the second electrode are different from each other at two positions that are separated from each other in a second direction crossing the first direction. 1. A solar cell comprising:a semiconductor substrate doped with impurities of a first conductive type;an emitter region doped with impurities of a second conductive type opposite the first conductive type and extending in a first direction;a back surface field region more heavily doped than the semiconductor substrate with impurities of the first conductive type and extending in the first direction in parallel with the emitter region;a first electrode electrically connected to the emitter region and extending in the first direction; anda second electrode electrically connected to the back surface field region and extending in the first direction,wherein the first electrode has different linewidths at two positions that are separated from each other in the first direction,wherein the second electrode has different linewidths at two positions that are separated from each other in the first direction, andwherein a linewidth of the first electrode and a linewidth of the second electrode are different from each other at two positions that are separated from each other in a second direction ...

Thin film solar cell and method for manufacturing same

A thin-film solar cell includes a substrate, a back surface electrode layer, a light-absorbing layer, and a transparent electrode layer, layered on the substrate, in this order. The layers are divided into multiple unit cells by a scribed groove, and the cells serially connected. At an inside of an end side of the solar cell perpendicular to the scribed groove, a groove is formed perpendicular to the scribed groove and has the back surface electrode is removed therefrom. The thin-film solar cell is produced by emitting a laser beam on the solar cell element of an end part of a side perpendicular to the scribed groove so as to form a new end surface by removing the back surface electrode layer, the light-absorbing layer and the transparent electrode layer, and mechanically forming the perpendicular groove perpendicular to the scribed groove, at inside of the new end surface.

Balloon equipped with a concentrated solar generator and employing an optimised arrangement of solar cells to power said balloon in flight

A balloon comprises an envelope containing a lifting gas and a concentrated solar radiation solar generator. The solar generator includes a reflector, one or two arrays of photovoltaic solar cells forming a first active face directed towards the reflector and a second active face directed towards the exterior of the envelope of the balloon. The reflector, the first active face and the second active face of the array of photovoltaic cells are configured so as to ensure the first active face and the second active face of the array both generate electrical power provided that the rollwise solar misalignment of the reflector is smaller than or equal to 10 degrees in absolute value.

SOLAR CELL MODULE

A solar cell module can include a plurality of solar cell strings, which include first and second solar cell strings including a first and second plurality of solar cells electrically connected in the first direction, respectively, and parallel to each other, first conductive wires connect a first electrode of a first solar cell to a second electrode of a second solar cell neighboring the first solar cell in the first direction within each of the solar cells, the first and second solar cell strings are electrically connected by a second conductive wire connecting a first electrode of a third solar cell located at a first end of the first solar cell string and a second electrode of a fourth solar cell located at a first end of the second solar cell string, and the second conductive wire is between the third solar cell and the fourth solar cell. 1. A solar cell module comprising:a plurality of solar cell strings disposed between a front substrate and a back substrate;a first protective layer disposed between the plurality of solar cell strings and the front substrate; anda second protective layer disposed between the plurality of solar cell strings and the back substrate,wherein the plurality of solar cell strings include a first solar cell string comprising a first plurality of solar cells electrically connected in a first direction and a second solar cell string comprising a second plurality of solar cells electrically connected in the first direction,wherein the second solar cell string is disposed in parallel with the first solar cell string,wherein a plurality of first conductive wires connect a first electrode of a first solar cell to a second electrode of a second solar cell neighboring the first solar cell in the first direction within each of the first plurality of solar cells and the second plurality of solar cells,wherein the first solar cell string and the second solar cell string are electrically connected to each other by a second conductive wire ...

FOIL-BASED METALLIZATION OF SOLAR CELLS

Approaches for the foil-based metallization of solar cells and the resulting solar cells are described. In an example, a solar cell includes a substrate. A plurality of alternating N-type and P-type semiconductor regions is disposed in or above the substrate. A conductive contact structure is disposed above the plurality of alternating N-type and P-type semiconductor regions. The conductive contact structure includes a plurality of metal seed material regions providing a metal seed material region disposed on each of the alternating N-type and P-type semiconductor regions. A metal foil is disposed on the plurality of metal seed material regions, the metal foil having anodized portions isolating metal regions of the metal foil corresponding to the alternating N-type and P-type semiconductor regions. 110.-. (canceled)11. A method of fabricating a solar cell , the method comprising:placing a metal foil to alternating N-type and P-type semiconductor regions of the solar cell;laser patterning a portion of the metal foil at regions corresponding to locations between the alternating N-type and P-type semiconductor regions; andsubsequent to laser patterning, removing the metal foil at said locations.12. The method of wherein laser patterning comprises forming a groove at locations between the alternating N-type and P-type semiconductor regions.13. The method of wherein removing the metal foil at said locations comprises tearing off the metal foil at said locations.14. The method of wherein removing the metal foil at said locations comprises performing a laser ablation process to remove the metal foil at said locations.15. The method of claim 11 , further comprising:prior to placing the metal foil, forming a plurality of metal seed material regions to provide a metal seed material region on each of the alternating N-type and P-type semiconductor regions, wherein placing the metal foil to the alternating N-type and P-type semiconductor regions comprises placing the metal foil ...

Solar Panel Interconnection System

A backsheet for a solar panel assembly is provided. The backsheet includes one or more embedded conductive elements that are positioned to make parallel connections between solar cells connected in series in a solar panel when applied to the solar panel. The backsheet can be used for solar cells that are assembled in one or more substrings of shingled cells connected in series to each other, or wherein the solar cells are assembled in a back-contact configuration, the backsheet further comprising connective elements for series connections between cells. 1. A backsheet for a solar panel assembly , the backsheet comprising one or more embedded conductive elements that are positioned to make parallel connections between solar cells connected in series in a solar panel when the backsheet is applied to the solar panel.2. The backsheet of claim 1 , wherein the solar cells are assembled in one or more substrings of shingled cells connected in series to each other.3. The backsheet of claim 1 , wherein the solar cells are assembled in a back-contact configuration claim 1 , the backsheet further comprising connective elements for series connections between cells.4. The backsheet of claim 1 , wherein the embedded conductive circuit patterns are electrically connected to the solar panel using a conductive material.5. The backsheet of claim 4 , wherein the conductive material is provided using a conductive thermal adhesive applied prior to a lamination process and cured through it claim 4 , or applied and cured prior to the lamination process.6. The backsheet of claim 4 , wherein the conductive material is provided by soldering or welding.7. The backsheet of claim 1 , further comprising an integrated encapsulant interposed between the conductive elements and the solar cells.8. The backsheet of claim 1 , wherein the solar cells are of any of the following types: crystalline silicon claim 1 , crystalline bifacial cells claim 1 , hetero-junction cells claim 1 , bifacial hetero- ...

MULTI-LAYER METAL FILM STACKS FOR SHINGLED SILICON SOLAR CELL ARRAYS

Shingled arrays of solar cells are disclosed. The solar cells used to form the shingled arrays are made using novel, new intercalation pastes. The pastes contain precious metal particles, intercalating particles, and an organic vehicle and can be used to improve the material properties of metal particle layers. Specific formulations have been developed to be screen-printed directly onto a dried metal particle layer and fired to make a fired multilayer stack. In some embodiments, the fired multilayer stack can etch through a dielectric layer to improve adhesion to a substrate. Such pastes can be used to great advantage by increasing the efficiency of silicon solar cells, specifically multi- and mono-crystalline silicon back-surface field (BSF), passivated emitter and rear contact (PERC) photovoltaic cells. 1. A silicon solar cell comprising:a silicon substrate having a front surface and a rear surface;at least one front dielectric layer directly on at least a portion of the front surface of the silicon substrate;a plurality of fine grid lines on a portion of the front surface of the silicon substrate;at least one front busbar layer in electrical contact with at least one of the plurality of fine grid lines;an aluminum particle layer on at least a portion of the rear surface of the silicon substrate, the aluminum particle layer comprising aluminum particles; anda rear tabbing layer on a portion of the rear surface of the silicon substrate, wherein the rear tabbing layer comprises:a modified aluminum particle layer on a portion of the rear surface of the silicon substrate; anda modified intercalation layer directly on at least a portion of the modified aluminum particle layer, the modified intercalation layer having a solderable surface;wherein the modified aluminum particle layer comprises the aluminum particles and at least one material from the modified intercalation layer;wherein the modified intercalation layer comprises a precious metal and a material selected ...

FOIL-BASED METALLIZATION OF SOLAR CELLS

Approaches for the foil-based metallization of solar cells and the resulting solar cells are described. In an example, a solar cell includes a substrate. A plurality of alternating N-type and P-type semiconductor regions is disposed in or above the substrate. A conductive contact structure is disposed above the plurality of alternating N-type and P-type semiconductor regions. The conductive contact structure includes a plurality of metal seed material regions providing a metal seed material region disposed on each of the alternating N-type and P-type semiconductor regions. A metal foil is disposed on the plurality of metal seed material regions, the metal foil having anodized portions isolating metal regions of the metal foil corresponding to the alternating N-type and P-type semiconductor regions. 1. A solar cell , comprising:a substrate;a first semiconductor region disposed above the substrate;a second semiconductor region disposed above the substrate, wherein the second semiconductor region is separated from the first semiconductor region;a first metal layer disposed on the first and the second semiconductor regions; anda plurality of metal foil portions disposed on the first metal layer, wherein a plurality of metal welds electrically couples the plurality of metal foil portions to the first metal layer.2. The solar cell of claim 1 , wherein the first metal layer comprises a metal seed material region.3. The solar cell of claim 2 , wherein the metal seed material region comprises a plurality of aluminum regions.4. The solar cell of claim 1 , wherein each of the first metal layer has a thickness approximately in the range of 0.3 to 20 microns and comprises aluminum in an amount greater than approximately 97% and silicon in an amount approximately in the range of 0-2%.5. The solar cell of claim 1 , wherein the plurality of metal foil portions comprises an anodized portion.6. The solar cell of claim 5 , wherein the anodized portion has a thickness approximately in ...

SOLAR PANEL

A high efficiency configuration for a solar cell module comprises solar cells arranged in an overlapping shingled manner and conductively bonded to each other in their overlapping regions to form super cells, which may be arranged to efficiently use the area of the solar module. 1. A method for manufacturing a solar module , the method comprising:arranging silicon solar cells in line with sides of adjacent silicon solar cells overlapping in a shingled manner, each silicon solar cell comprising a front surface and an oppositely positioned rear surface including a rear surface metallization pattern;conductively bonding, for pairs of adjacent silicon solar cells, the rear surface of one of the silicon solar cells to a front surface of the other silicon solar cell to electrically and mechanically connect the silicon solar cells in series to form a first super cell comprising a shingled string of solar cells;conductively bonding a first conductive metal ribbon to the rear surface metallization pattern of a first end silicon solar cell located at a first end of the first super cell to provide an electrical output from the first super cell having a first polarity; andconductively bonding a second conductive metal ribbon to the rear surface metallization pattern of a second end silicon solar cell located at a second end of the first super cell to provide an electrical output from the first super cell having a second polarity opposite from the first polarity.2. The method of claim 1 , wherein each silicon solar cell comprises an n-p diode junction disposed between the front surface and the oppositely positioned rear surface of the silicon solar cell.3. The method of claim 1 , wherein the rear surfaces of the first and second end solar cells are on the n side of the n-p junction in the first and second end solar cells claim 1 , or the rear surfaces of the first and second end solar cells are on the p side of the n-p junctions in the first and second end solar cells.4. The ...

Solar cell module and method for manufacturing such a module

A method for manufacturing a solar cell module that includes a solar cell based on a semiconductor substrate with front and rear surfaces, includes—fabricating a solar cell from the substrate, and—depositing on at least the rear surface a coating layer. 1. A method for manufacturing a solar cell module that comprises a solar cell based on a semiconductor substrate with a front surface for capturing radiation and a rear surface ,the method comprising:fabricating a solar cell from the semiconductor substrate;depositing on at least one surface of the solar cell a coating layer,the deposition step comprising:applying a coating powder on at least the rear surface, forming an adhered powder layer on said surface;and after the deposition step:performing a first annealing process on the solar cell for transforming the adhered powder layer in a pre-annealed coating layer so as to create a coated solar cell, and wherein the method further compriseseither:creating open contacting areas on the solar cell by removal of the adhered powder layer at locations of contacting areas on the solar cell, wherein the removal precedes the first annealing process,orcreating open contacting areas on the solar cell by masking contacting areas on the solar cell to prevent coverage by the adhered powder layer and to create open contacting areas on the solar cell, wherein the masking precedes the deposition step or deposition steps.2. The method according to claim 1 , wherein the open contacting areas on the solar cell are free from coating powder.3. The method according to claim 1 , wherein the deposition step additionally comprises applying the coating powder on the front surface claim 1 , forming an adhered powder layer on said surface.4. The method according to claim 1 , wherein the masking is performed by positioning the solar cell on a clamping tool claim 1 , with each contacting area of the solar cell being covered by a protrusion of the clamping tool.5. The method according to claim 4 , ...

PREVENTING HARMFUL POLARIZATION OF SOLAR CELLS

In one embodiment, harmful solar cell polarization is prevented or minimized by providing a conductive path that bleeds charge from a front side of a solar cell to the bulk of a wafer. The conductive path may include patterned holes in a dielectric passivation layer, a conductive anti-reflective coating, or layers of conductive material formed on the top or bottom surface of an anti-reflective coating, for example. Harmful solar cell polarization may also be prevented by biasing a region of a solar cell module on the front side of the solar cell. 1. A solar cell module , comprising:a plurality of solar cells that are electrically connected in series;an encapsulant that encapsulates the solar cells;a transparent cover over the encapsulant; andan electrically conductive layer between front surfaces of the solar cells and the transparent cover, the electrically conductive layer being electrically connected to a back surface of a solar cell in the series.2. The solar cell module of claim 1 , wherein the electrically conductive layer is on a back surface of the transparent cover that faces the front surfaces of the solar cells.3. The solar cell module of claim 1 , wherein the transparent cover comprises glass.4. The solar cell module of claim 1 , wherein the electrically conductive layer is electrically connected to an interconnect that is electrically connected to the back surface of the solar cell.5. The solar cell module of claim 1 , wherein the solar cell has an N-type front side diffusion region and has highest potential among the solar cells in the series.6. The solar cell module of claim 1 , wherein the solar cell has a P-type front side diffusion region and has lowest potential among the solar cells in the series.7. The solar cell module of claim 1 , wherein the electrically conductive layer comprises tin oxide.8. The solar cell module of claim 1 , further comprising a backsheet facing back surfaces of the solar cells.9. A method of preventing harmful ...

SOLAR CELL PANEL

A solar cell panel is discussed, which includes a plurality of solar cells, each solar cell including a substrate having a first surface and a second surface opposite the first surface, and a plurality of first electrodes extending in a first direction; an interconnector that is positioned in a second direction crossing the plurality of first electrodes and electrically connects adjacent ones of the plurality of solar cells to one another; and a conductive adhesive film including a resin and a plurality of conductive particles dispersed in the resin, the conductive adhesive film being positioned between the plurality of first electrodes and the interconnector in the second direction crossing the plurality of first electrodes to electrically connect the plurality of first electrodes to the interconnector. 1. A solar cell panel , comprising:a plurality of solar cells, each solar cell including a substrate having a first surface and a second surface opposite the first surface, and a plurality of first electrodes extending in a first direction;an interconnector that is positioned in a second direction crossing the plurality of first electrodes and electrically connects adjacent ones of the plurality of solar cells to one another; anda conductive adhesive film including a resin and a plurality of conductive particles dispersed in the resin, the conductive adhesive film being positioned between the plurality of first electrodes and the interconnector in the second direction crossing the plurality of first electrodes to electrically connect the plurality of first electrodes to the interconnector,wherein the plurality of first electrodes includes a first electrode part and a second electrode part adjacent to each other in the second direction and disposed at different rows in the second direction,wherein at least one of the first electrode part and the second electrode part includes first portions disposed at areas that overlap with the conductive adhesive film and second ...

SOLAR CELL

A solar cell can include a photoelectric conversion unit including a semiconductor substrate, a tunneling layer disposed on the semiconductor substrate, a first conductive type region and a second conductive type region disposed on the tunneling layer at a same side of the semiconductor substrate, and a barrier region disposed between the first and second conductive type regions; and an electrode disposed on the photoelectric conversion unit and including an adhesive layer disposed on the first and second conductive type regions, and an electrode layer disposed on the adhesive layer, in which the adhesive layer has a coefficient of thermal expansion that is greater than a coefficient of thermal expansion of the photoelectric conversion unit and is less than a coefficient of thermal expansion of the electrode layer. 1. A solar cell comprising: a semiconductor substrate,', 'a tunneling layer disposed on the semiconductor substrate,', 'a first conductive type region and a second conductive type region both disposed on the tunneling layer at a same side of the semiconductor substrate, and, 'a photoelectric conversion unit comprisinga barrier region disposed between the first and second conductive type regions; and an adhesive layer disposed on the first and second conductive type regions, and', 'an electrode layer disposed on the adhesive layer,, 'an electrode disposed on the photoelectric conversion unit and comprisingwherein the adhesive layer has a coefficient of thermal expansion that is greater than a coefficient of thermal expansion of the photoelectric conversion unit and is less than a coefficient of thermal expansion of the electrode layer.2. The solar cell of claim 1 , wherein the first conductive type region claim 1 , the second conductive type region claim 1 , and the barrier region are disposed on a same plane.3. The solar cell of claim 1 , further comprising:an insulating layer disposed on the first and second conductive type regions and the barrier region ...

Thin film stacks for group v doping, photovoltaic devices including the same, and methods for forming photovoltaic devices with thin film stacks

According to the embodiments provided herein, a method for forming a photovoltaic device can include depositing a plurality of semiconductor layers. The plurality of semiconductor layers can include a doped layer that is doped with a group V dopant. The doped layer can include cadmium selenide or cadmium telluride. The method can include annealing the plurality of semiconductor layers to form an absorber layer.

SOLAR CELL MODULE

A solar cell module includes a solar cell string in which solar cells each having a light-receiving surface without metal electrodes and a back surface with metal electrodes are electrically connected along a first direction. A back-surface protection member is disposed on a back side of the solar cell string. The solar cell string includes cell connecting members positioned between solar cells adjacent in the first direction. A lateral surface at a second direction end of the cell connecting member is situated in line with the lateral surface of the solar cell, wherein the second direction is orthogonal to the first direction. A principal surface of the back-surface protection member on the light-receiving side, a portion of the cell connecting member exposed to the light-receiving surface and a lateral surface at a second direction end of the cell connecting member are similar in color to the light-receiving surface. 1. A solar cell module comprising:a solar cell string comprising a plurality of rectangular solar cells each having a light-receiving surface and a back surface opposite to the light-receiving surface electrically connected along a first direction and a cell connecting member connecting between each of the plurality of solar cells in the first direction, as well as extending in a space between each of the plurality of solar cells to a second direction, wherein the second direction is orthogonal to the first direction;a light-transmissive light-receiving-surface protection member disposed on a light-receiving side of the solar cell string;a back-surface protection member disposed on a back side of the solar cell string opposite to the light-receiving side; andan encapsulant arranged between the light-receiving-surface protection member and the back-surface protection member to encapsulate the solar cell string,whereineach of the plurality of solar cell has no metal electrode on the light-receiving surface, and has a metal electrode only on the back ...

SOLAR CELL AND SOLAR CELL ASSEMBLY

Solar cell assembly that includes at least first and second solar cells arranged adjacent each other to form a row. First electric contact pad of first solar cell is positioned adjacent to second electric contact pad of second solar cell and second electric contact pad of first solar cell is positioned adjacent to first electric contact pad of second solar cell. Interconnectors connect each first electric contact pad of first solar cell with adjacent second electric contact pad of second solar cell and each second electric contact pad of first solar cell with adjacent first electric contact pad of second solar cell. Each interconnector is sized so that, between adjacent cells, interconnector is below first electric contact pad. Cover glass is provided on a front surface of each solar cell, and each interconnector is provided with a cover member covering a front surface of interconnector. 1. A solar cell assembly including at least two interconnectable solar cells , each solar cell comprising:a semiconductor substrate having a substrate front surface and a substrate rear surface;a first p-n-junction provided in the substrate close to and below the substrate front surface, the first p-n-junction separating the substrate into a substrate front portion having a first doping and a substrate rear portion having a second doping;a front layer comprising a further p-n-junction provided on the substrate front surface of the substrate, the further p-n-junction separating the front layer into a further front portion having the first doping and a further rear portion having the second doping, the further front portion being separated from the substrate front portion;at least one first electric contact being provided on a front side of the solar cell that is electrically connected to the further front portion;at least one second electric contact being provided on a rear side of the solar cell that is electrically connected to at least one contact point provided on the front side ...

INTERCONNECTOR AND SOLAR PANEL

An interconnector includes a first electrode configured to be connected to a first photovoltaic cell, a second electrode configured to be connected to a second photovoltaic cell, and a connection body that connects the first electrode and the second electrode. The connection body includes a first detour, a second detour, and a joint. The first detour includes a first curved part that is curved toward a first side in a first direction and connected to the first electrode. 1. An interconnector configured to electrically connect a first photovoltaic cell and a second photovoltaic cell , wherein the first photovoltaic cell and the second photovoltaic cell are adjacent to each other in a first direction , the first photovoltaic cell is located at a first side in the first direction , and the second photovoltaic cell is located at a second side in the first direction , the interconnector comprising:a first electrode configured to be connected to the first photovoltaic cell;a second electrode configured to be connected to the second photovoltaic cell; anda connection body that connects the first electrode and the second electrode, wherein a first detour connected to the first electrode and extended toward a first side in a second direction that is orthogonal to the first direction,', 'a second detour connected to the second electrode and extended toward the first side in the second direction, and', 'a joint extended in the first direction to connect the first detour and the second detour, and, 'the connection body includes'}the first detour includes a first curved part that is curved toward the first side in the first direction and connected to the first electrode.2. The interconnector according to claim 1 , whereinthe first detour includes a first body part extending between the first curved part and the joint, andthe first curved part extends from the first body part toward the second side in the first direction and then toward the first side in the first direction ...

PHOTOVOLTAIC PRODUCT AND METHOD OF MANUFACTURING THE SAME

The present disclosure pertains to a photovoltaic product (), comprising a foil with a photovoltaic layer stack () and an electrically conductive layer stack () that supports the photovoltaic layer stack and that in an operational state provides for a transport of electric energy generated by the photovoltaic layer stack to an external load. The electrically conductive layer stack () comprises a first and a second electrically conductive layer () and an electrically insulating layer () arranged between the first and the second electrically conductive layer, wherein the photovoltaic layer stack () has first electrical contacts (PI, P) of a first polarity that are electrically connected to the first electrically conductive background domain () and has second electrical contacts (N, N) of a second polarity opposite to said first polarity that are electrically connected to the first contact areas (), and wherein the second electrically conductive background domain () and one or more of the second contact areas () serve as electric contacts for the output clamps. 1. Photovoltaic product , comprising:a foil with a photovoltaic layer stack; andan electrically conductive layer stack that supports the photovoltaic layer stack and that, in an operational state, provides for a transport of electric energy generated by the photovoltaic layer stack to an external load, a first electrically conductive layer;', 'a second electrically conductive layer; and', 'an electrically insulating layer arranged between the first electrically conductive layer and the second electrically conductive layer,', 'a first electrically conductive background domain; and', 'wherein the first electrically conductive layer comprises, 'a first plurality of laterally distributed, mutually distinct contact areas that are electrically insulated from the first electrically conductive background domain;', a second electrically conductive background domain; and', 'a second plurality of laterally distributed, ...

Busbar connection configuration to accommodate for cell misalignment

Interconnection of back contact photovoltaic cells in a photovoltaic module is described. Pre-assembled busbars are connected with a configuration to enable correction for cell misalignment in the module.

HIGH EFFICIENCY CONFIGURATION FOR SOLAR CELL STRING

A high efficiency configuration for a string of solar cells comprises series-connected solar cells arranged in an overlapping shingle pattern. Front and back surface metallization patterns may provide further increases in efficiency. 1. A solar energy receiver comprising:a substrate; anda series-connected string of two or more solar cells disposed on the substrate with ends of adjacent solar cells overlapping in a shingle pattern;{'sup': '−6', 'wherein the linear coefficient of thermal expansion of the solar cells differs from that of the substrate by greater than or equal to about 20×10.'}2. The solar energy receiver of claim 1 , wherein the solar cells are silicon solar cells.3. The solar energy receiver of claim 2 , wherein at least some of the silicon solar cells comprise a heterojunction with intrinsic thin layer (HIT) structure.4. The solar energy receiver of claim 2 , wherein at least some of the silicon solar cells are back-contact solar cells.5. The solar energy receiver of claim 4 , wherein at least some of the back-contact solar cells comprise conducting vias that pass through the solar cell to provide in an overlapped portion of a front surface of the solar cell an electrical connection to contacts on the back surface of the solar cell.6. The solar energy receiver of claim 1 , wherein adjacent overlapping pairs of solar cells are electrically connected in series in a region where they overlap by an electrically conducting bond between a front surface of one of the solar cells and a back surface of the other solar cell.7. The solar energy receiver of claim 6 , wherein the electrically conducting bond is formed with an electrically conducting epoxy.8. The solar energy receiver of claim 1 , wherein each solar cell comprises a front surface to be illuminated by light claim 1 , and the size of the area of the front surface of each solar cell that is not overlapped by an adjacent solar cell varies through the string in a manner that matches the electrical ...

SOLAR CELL MODULE AND METHOD FOR MANUFACTURING THE SAME

A solar cell module is discussed. The solar cell module includes a plurality of solar cells each including a semiconductor substrate and a plurality of first electrodes and a plurality of second electrodes, which are formed on a back surface of the semiconductor substrate and are separated from each other, the plurality of solar cells disposed in a first direction; a plurality of first conductive lines connected to the plurality of first electrodes included in a first solar cell of the plurality of solar cells, and the plurality of first conductive lines extended in the first direction; a plurality of second conductive lines connected to the plurality of second electrodes included in a second solar cell of the plurality of solar cells which is adjacent to the first solar cell, and the plurality of second conductive lines extended in the first direction. 1. A solar cell module comprising:a plurality of solar cells each including a semiconductor substrate and a plurality of first electrodes and a plurality of second electrodes, which are alternately formed and extended in a first direction on a back surface of the semiconductor substrate;a plurality of first conductive lines extended in a second direction crossing to the first direction, electrically connected to the plurality of first electrodes included in a first solar cell of the plurality of solar cells and the plurality of second electrodes included in a second solar cell of the plurality of solar cells which is adjacent to the first solar cell by conductive adhesives, and insulated to the plurality of second electrodes included in the first solar cell and the plurality of first electrodes included in the second solar cell by insulating layers; anda plurality of second conductive lines extended in the second direction, electrically connected to the plurality of second electrodes included in the second solar cell and the plurality of first electrodes included in a third solar cell of the plurality of solar cells ...

Photo-voltaic cell and method of manufacturing such a cell

A photo-voltaic cell, comprising a semi-conductor substrate, having a front surface and a back surface. Back surface field regions and emitter regions for collecting photo-current are provided, located alternatingly at the back surface of the substrate, at least one of the back surface field regions having a width of more than six hundred micrometer. A front floating emitter layer is provided at the front surface at least above said one of the back surface field regions, wherein the front floating emitter layer has an average electrical conductivity selected dependent on the width of said one of the back surface field regions.

NON-CONTACTING THICK-FILM BUSBAR PASTES FOR CRYSTALLINE SILICON SOLAR CELL EMITTER SURFACES

Devices, methods, and systems are described for thick-film, screen-printable paste with inorganic frit for printing floating, non-contacting busbar line electrodes. Paste may be applied to crystalline solar cell emitter surfaces. The frit system contains both bismuth and boron. The described non-contacting busbar paste has superior solar cell performance compared to single-print conductor pastes.

THICK-FILM CONDUCTIVE PASTE, AND THEIR USE IN THE MANUFACTURE OF SOLAR CELLS

The invention discloses a conductive paste for forming the electrode on the surface of solar cell, which contains conductive powder, mixed glass and organic phase; wherein, the mixed glass comprises the following two types of glass components: the first type of glass is at least one selected from the tellurium glass which does not contain lead substantially and having tellurium, bismuth, lithium as the essential component; 1. A conductive paste for forming the electrode on the surface of solar cell comprising conductive powder , mixed glass powder and organic phase , wherein the mixed glass comprises the following two types of glass components: a first type of glass is selected from at least one type of tellurium glass which does not contain lead in essence and tellurium , bismuth , lithium as the essential component; a second type of glass is selected from at least one lead silicate glass with lead and silicon as the essential components and without tellurium.2. The conductive paste of claim 1 , wherein in the mixed glass claim 1 , the mass ratio of the total amount of the tellurium glass to the total amount of the lead silicate glass is 2:8 to 8:2.3. The conductive paste of claim 1 , wherein the above mentioned tellurium glass is converted into oxide claim 1 , tellurium 44-76 mol % claim 1 , bismuth 7-51 mol % claim 1 , lithium 2-14 mol %.4. The conductive paste of claim 1 , wherein the above mentioned lead silicate glass is converted into oxide claim 1 , lead 39-70 mol % claim 1 , silicon 20-43 mol % claim 1 , and zinc claim 1 , tungsten claim 1 , sodium claim 1 , lithium claim 1 , aluminum and copper are 0-20 mol % in total.5. The conductive paste of claim 1 , wherein for the conductive powder with a mass portion of 100 claim 1 , the content of the mixed glass is controlled at a mass from 0.1 to 10.6. A solar cell having a semiconductor substrate claim 1 , an antireflection film arranged in the first area on the surface of the semiconductor substrate claim 1 , ...

METHOD FOR PACKAGING SOLAR CELL DEVICE AND STRUCTURE THEREOF

The present invention relates to a method for packaging solar cell device and the structure thereof. The structure comprises a substrate formed by glass or insulating high polymer, an insulating layer, a plurality of conductive layers, and a plurality of solar cells. A plurality of conductive films are disposed on a surface of the substrate. The insulating layer is disposed on the substrate and comprises a plurality of holes located on the plurality of conductive films. The plurality of conductive layers are disposed in the plurality of holes. A bottom surface of the plurality of conductive layers is connected electrically with the plurality of conductive films. The plurality of solar cells are disposed on the insulating layer and connected electrically with the top surface of the plurality of conductive layer. 1. A structure of solar cell device , comprising:a glass substrate, disposing a plurality of conductive films on a glass surface;an insulating layer, disposing on said glass substrate, and comprising a plurality of holes located on said plurality of conductive films;a plurality of conductive layers, disposed in said plurality of holes, and having a bottom surface connected electrically with said plurality of conductive films; anda plurality of solar cells, disposed on said insulating layer, and connected electrically with a top surface of said plurality of conductive layers.2. The structure of solar cell device of claim 1 , wherein said insulating layer is formed by one or more ceramic substrate.3. The structure of solar cell device of claim 2 , wherein the material of said ceramic substrate is aluminum oxide or aluminum nitride.4. The structure of solar cell device of claim 1 , wherein the area of said top surface of said plurality of conductive layers is greater than the cross-sectional area of said plurality of holes.5. The structure of solar cell device of claim 1 , wherein the area of said bottom surface of said plurality of conductive layers is greater ...

HIGH PHOTOELECTRIC CONVERSION EFFICIENCY SOLAR CELL AND METHOD FOR MANUFACTURING HIGH PHOTOELECTRIC CONVERSION EFFICIENCY SOLAR CELL

A solar cell having, on a semiconductor substrate's first main surface a first conductivity type, a base layer having first conductivity type and an emitter layer which is adjacent to base layer and has a second conductivity type which is a conductivity type opposite to first conductivity type, the solar cell includes: a base electrode which is electrically connected with base layer; and an emitter electrode which is electrically connected with emitter layer, solar cell including: dielectric films which are in contact with base and emitter layer on first main surface; first insulator films which cover the emitter electrode, are placed on the dielectric films, and are arranged to have a gap at least on base layer; and a base bus bar electrode placed at least on first insulator films, and being wherein gap distance between the first insulator films is 40 μm or more and (W+110) μm or less. 110-. (canceled)11. A solar cell which has , on a first main surface of a semiconductor substrate having a first conductivity type , a base layer having the first conductivity type and an emitter layer which is adjacent to the base layer and has a second conductivity type which is a conductivity type opposite to the first conductivity type ,comprising:a base electrode which is electrically connected with the base layer; andan emitter electrode which is electrically connected to the emitter layer,wherein the solar cell comprises:dielectric films which are in contact with the base layer and the emitter layer on the first main surface;first insulator films which cover the emitter electrode, are placed on the dielectric films, and are arranged to have a gap at least on the base layer; anda base bus bar electrode placed at least on the first insulator films, anda distance of the gap between the first insulator films is 40 μm or more and (W+110) μm or less (where W is a width of the base layer in a gap direction).12. The solar cell according to claim 11 ,wherein the base electrode is ...

BACK-CONTACT BACK-SHEET FOR PHOTOVOLTAIC MODULES WITH PASS-THROUGH ELECTRIC CONTACTS

The present invention proposes a back-contact back-sheet for photovoltaic modules comprising back-contact cells and a method of manufacturing thereof. The back-contact back-sheet comprises an insulating substrate upon which a connecting circuit is attached. The back-contact back-sheet further comprises at least a region indented towards the air-side of the photovoltaic module. The indentation is performed is performed in a portion of the back-contact back-sheet comprising the connecting circuit. A through-hole is then formed within the indented region so as to bring into communication the surface of the connecting circuit exposed towards the inside of the photovoltaic module with the face of the back-contact back-sheet facing the air-side of the photovoltaic module. A transport portion of a connecting element, such as the stem of a rivet, may be introduced into the through-hole so that the contact portion of the connecting element, such as the head of the rivet, is attached and electrically connected to the surface of the connecting circuit exposed towards to the inside of the photovoltaic module. The connecting circuit thus permits exchange of an electrical signal between the photovoltaic module in which the back-contact back-sheet is embedded and the outside. 1. Back-contact back-sheet for a photovoltaic module comprising back-contact solar cells , said back-contact back-sheet comprising an outer face facing the air-side of a respective photovoltaic module and an inner face opposite said outer face and exposed towards the inside of said respective photovoltaic module , said back-contact back-sheet comprising:a substrate having an outer surface substantially coincident with said outer face of said back-contact back-sheet and an inner surface opposite said outer surface and exposed towards the inside of said photovoltaic module,a layer of an electrically conductive material adapted to be formed as a connecting circuit to the electrodes of said back-contact solar ...

Method for fabricating a solar module of rear contact solar cells using linear ribbon-type connector strips and respective solar module

A solar module and a method for fabricating a solar module comprising a plurality of rear contact solar cells are described. Rear contact solar cells (1) are provided with a large size of e.g. 156×156 mm2, Soldering pad arrangements (13, 15) applied on emitter contacts (5) and base contacts (7) are provided with one or more soldering pads (9, 11) arranged linearly. The soldering pad arrangements (13, 15) are arranged asymmetrically with respect to a longitudinal axis (17). Each solar cell (1) is then separated into first and second cell portions (19, 21) along a line (23) perpendicular to the longitudinal axis (17). Due to such cell separation and the asymmetrical design of the soldering pad arrangements (13, 15), the first and second cell portions (19, 21) may then be arranged alternately along a line with each second cell portion (21) arranged in a 180°-orientation with respect to the first cell portions (19) and such that emitter soldering pad arrangements (13) of a first cell portion (19) are aligned with base soldering pad arrangements (15) of neighboring second cell portions (21), and vice versa. Simple linear ribbon-type connector strips (25) may be used for interconnecting the cell portions (19, 21) by soldering onto the underlying aligned emitter and base soldering pad arrangements (13, 15). The interconnection approach enables using standard ribbon-type connector strips (25) while reducing any bow as well as reducing series resistance losses.

Direct Anchoring Solar Module System and Installation Method

An integrated preassembled solar panel module includes a solar panel configured for receiving and converting solar radiation to produce electrical power. Multiple mounting feet are coupled to the solar panel at selected locations. One or more sheathing anchors are configured for coupling the mounting feet to roof sheathing at locations not overlapping roof rafters and thereby securing the solar panel to the roof sheathing without accessing an underside of the roof sheathing. 1. An integrated preassembled solar panel module , comprisinga solar panel configured for receiving and converting solar radiation to produce electrical power;multiple mounting feet coupled to said solar panel at selected locations; andone or more sheathing toggle anchors configured for coupling said mounting feet to roof sheathing at locations not overlapping roof rafters and thereby securing said solar panel to said roof sheathing without accessing an underside of said roof sheathing.2. An integrated preassembled solar panel module as in claim 1 , wherein said solar panel comprises a frameless solar panel.3. An integrated preassembled solar panel module as in claim 1 , further comprising multiple integrated brackets coupled to the solar panel in preassembly and configured for coupling to brackets of adjacent solar panel modules of a solar module array.4. An integrated preassembled solar panel module as in claim 1 , further comprising at least one elongated track coupled to the solar panel claim 1 , and wherein said multiple mounting feet are coupled to said solar panel at selected locations along said at least one elongated track.5. An integrated preassembled solar panel module as in claim 1 , wherein said one or more sheathing toggle anchors comprise a toggle with teeth coupled to a threaded bolt.6. An integrated preassembled solar panel module as in claim 1 , wherein said one or more sheathing toggle anchors comprises a toggle of gauge 0.0615 inch or higher coupled to a threaded bolt.7. An ...

SOLAR CELL HAVING A PLURALITY OF SUB-CELLS COUPLED BY A METALLIZATION STRUCTURE

Solar cells having a plurality of sub-cells coupled by metallization structures, and singulation approaches to forming solar cells having a plurality of sub-cells coupled by metallization structures, are described. In an example, a solar cell, includes a plurality of sub-cells, each of the sub-cells having a singulated and physically separated semiconductor substrate portion. Adjacent ones of the singulated and physically separated semiconductor substrate portions have a groove there between. The solar cell also includes a monolithic metallization structure. A portion of the monolithic metallization structure couples ones of the plurality of sub-cells. The groove between adjacent ones of the singulated and physically separated semiconductor substrate portions exposes a portion of the monolithic metallization structure. 1. A solar cell , comprising:a plurality of sub-cells, each of the sub-cells comprising a singulated and physically separated semiconductor substrate portion, wherein adjacent ones of the singulated and physically separated semiconductor substrate portions have a groove there between; anda monolithic metallization structure, wherein a portion of the monolithic metallization structure couples ones of the plurality of sub-cells, wherein the groove between adjacent ones of the singulated and physically separated semiconductor substrate portions exposes a portion of the monolithic metallization structure.2. The solar cell of claim 1 , wherein the solar cell further comprises:an encapsulating material disposed in the groove between adjacent ones of the singulated and physically separated semiconductor substrate portions.3. The solar cell of claim 1 , wherein each of the sub-cells has approximately a same voltage characteristic and approximately a same current characteristic.4. The solar cell of claim 1 , wherein the plurality of sub-cells is a plurality of in-parallel diodes claim 1 , in-series diodes claim 1 , or a combination thereof.5. The solar cell of ...

SOLAR CELL MODULE

Provided is a solar cell module in which a plurality of solar cells and a wiring member for electrically connecting the solar cells are connected via connecting portions and, wherein a plurality of finger electrodes are formed on a light receiving surface of a photoelectric conversion body of the solar cell, the wiring member is arranged so as to intersect with the plurality of finger electrodes, and the connecting portion on a light receiving surface side comprises a metal portion which is formed by allowing conductive particles containing a metal having a melting temperature of 200° C. or less to melt and aggregate in a resin and connects the individual finger electrodes and the wiring member; and a resin portion which is composed of the resin and surrounds the metal portion to bond the photoelectric conversion body and the wiring member. 1. A solar cell module in which a plurality of solar cells and a wiring member for electrically connecting the solar cells are connected via a connecting portion ,wherein a plurality of finger electrodes are formed on a light receiving surface of a photoelectric conversion body of the solar cell,the wiring member is arranged so as to intersect with the plurality of finger electrodes, andthe connecting portion on a light receiving surface side comprises a metal portion which is formed by allowing conductive particles containing a metal having a melting temperature of 200° C. or less to melt and aggregate in a resin and connects the individual finger electrodes and the wiring member; and a resin portion which is composed of the resin and surrounds the metal portion to bond the photoelectric conversion body and the wiring member.2. The solar cell module according to claim 1 , wherein a width of the finger electrodes is 20 to 400 μm.3. The solar cell module according to claim 1 , wherein the connecting portion on the light receiving surface side is formed by using a conductive adhesive composition comprising (A) conductive particles ...

PATTERNED THIN FOIL

An adhesive may be applied to a surface of a reusable carrier. Metal foil may be attached to the adhesive to couple the metal foil to the surface of the reusable carrier. The metal foil may be patterned without damaging the reusable carrier. A semiconductor structure (e.g., a solar cell) may be attached to the patterned metal foil. The reusable carrier may then be removed. In some embodiments, the semiconductor structure may be encapsulated using an encapsulant, with the adhesive being compatible with the encapsulant. 1. A solar module comprising:a first solar cell and a second solar cell;a metal foil comprising a first surface and an opposing second surface, the first and second solar cells being electrically connected to the first surface of the metal foil; andan adhesive layer on the second surface of the metal foil.2. The solar module of claim 1 , further comprising an encapsulant that encapsulates at least the first solar cell claim 1 , the second solar cell claim 1 , the metal foil claim 1 , and the adhesive layer.3. The solar module of claim 2 , further comprising:a cover layer on a surface of the encapsulant on front sides of the first and second solar cells; anda backsheet on a surface of the encapsulant on backsides of the first and second solar cells.4. The solar module of claim 3 , wherein the cover layer comprises glass.5. The solar module of claim 3 , wherein the cover layer comprises colored glass.6. The solar module of claim 3 , wherein the cover layer has different colors on different areas of the cover layer.7. The solar module of claim 2 , wherein the layer of adhesive is optically transparent to an attachment laser.8. The solar module of claim 2 , wherein the adhesive layer is opaque to a patterning laser.9. The solar module of claim 1 , wherein the metal foil includes regions not covered by any solar cell in the solar module.10. A solar module comprising:a plurality of solar cells;a metal foil that interconnects the plurality of solar cells;an ...

Solar cell module and method for manufacturing the same

A solar cell module and a method for manufacturing the same are disclosed. The solar cell module includes solar cells each including a semiconductor substrate, and first electrodes and second electrodes extending in a first direction on a surface of the semiconductor substrate, conductive lines extended in a second direction crossing the first direction on the surface of the semiconductor substrate and connected to the first electrodes or the second electrodes through a conductive adhesive, and an insulating adhesive portion extending in the first direction on at least a portion of the surface of the semiconductor substrate, on which the conductive lines are disposed, and fixing the conductive lines to the semiconductor substrate and the first and second electrodes. The insulating adhesive portion is attached up to an upper part and a side of at least a portion of each conductive line.

Method for manufacturing a semi-finished product for a module having a cell made from a photoactive material, semi-finished product and device for the manufacture thereof

The invention relates to a method for manufacturing a semi-finished product for a module having a cell made from a photoactive material, particularly a solar cell, wherein the method has the following steps: providing a substrate ( 1 ), arranging a cell ( 2; 3 ) made from a photoactive material on the substrate ( 1 ) in such a manner that a light-incidence or light-emission side of the cell ( 2; 3 ) faces the substrate ( 1 ), constructing an adhesive-compound layer ( 10 ), into which the cell ( 2; 3 ) and a contact connector ( 7 ) formed on a connecting lead of the cell ( 2; 3 ) are partially or completely embedded, and constructing a contact region ( 8 ), which is formed on the rear side of the substrate ( 1 ) with the contact connector ( 7 ) formed herein, wherein the contact connector ( 7 ) is subsequently exposed again to construct the contact region ( 8 ), in that a layer composite arranged on the contact connector ( 7 ) is removed, and wherein an adhesion between the contact connector ( 7 ) and the adhesive-compound layer ( 10 ) arranged above the contact connector ( 7 ) is diminished to remove the layer composite, in that a cover layer is arranged on the contact connector ( 7 ) before the application of the adhesive-compound layer ( 10 ) and/or the contact connector ( 7 ) and/or at least one region of the adhesive-compound layer ( 10 ) arranged next to the contact connector ( 7 ) are loaded with an activation energy, and also a device for processing a semi-finished product.

SOLAR CELL MODULE

A solar cell module includes a plurality of solar cells each including a semiconductor substrate, first electrodes positioned on a front surface of the semiconductor substrate, and second electrodes positioned on a back surface of the semiconductor substrate, and a plurality of wiring members connecting the first electrodes of a first solar cell of the plurality of solar cells to the second electrode of a second solar cell adjacent to the first solar cell. At least a portion of the first electrodes includes first pads each having a width greater than a width of the first electrode at crossings of the wiring members and the first electrodes. A size of at least one of the first pads is different from a size of the remaining pads. 1. A solar cell module comprising:a plurality of solar cells; anda plurality of wiring members interconnecting adjacent solar cells among the plurality of solar cells, a semiconductor substrate;', 'an emitter layer disposed on a first surface of the semiconductor substrate;', 'a plurality of first finger electrodes that are arranged in a first direction and that are connected to the emitter layer;', 'a plurality of first contact pads that are arranged in a second direction that crosses the first direction;', 'a surface field layer disposed on a second surface of the semiconductor substrate;', 'a plurality of second finger electrodes that are arranged in the first direction and that are connected to the surface field layer; and', 'a plurality of second contact pads that are arranged in the second direction, wherein the plurality of wiring members comprise:', '6 to 33 wiring members that extend in the second direction and that electrically connect the plurality of first finger electrodes of a first solar cell to the plurality of second finger electrodes of a second solar cell that is adjacent to the first solar cell among the plurality of the solar cells,', 'wherein the 6 to 33 wiring members are solder-connected to the plurality of first ...

SOLAR CELL MODULE

A solar cell module is provided with: a wiring material which electrically connects the light receiving surface-side electrode of the first solar cell with the rear surface-side electrode of the second solar cell; a first resin adhesive layer disposed between the wiring material and the light receiving surface-side electrode; and a second resin adhesive layer which is disposed between the wiring material and the rear surface-side electrode, and which has a smaller surface area than the first resin adhesive layer. 1. A solar cell module comprising:a plurality of solar cells including a first solar cell and a second solar cell adjacent to the first solar cell, whereineach of the plurality of solar cells comprises:a photoelectric conversion unit;a light receiving surface side electrode placed over a part of a light receiving surface of the photoelectric conversion unit; anda thin film-form back surface side electrode formed to cover substantially an entire back surface of the photoelectric conversion unit, anda thin film-form back surface side electrode formed to cover substantially an entire back surface of the photoelectric conversion unit, andthe solar cell module further comprises:a wiring member that electrically connects the light receiving surface side electrode of the first solar cell and the back surface side electrode of the second solar cell;a first resin adhesive layer placed between the wiring member and the light receiving surface side electrode; anda second resin adhesive layer placed between the wiring member and the back surface side electrode and having a smaller area than the first resin adhesive layer.2. The solar cell module according to claim 1 , whereinthe wiring member comprises:a first surface region that opposes the light receiving surface side electrode; anda second surface region that opposes the back surface side electrode and that is placed to have a smaller area than the first surface region.3. The solar cell module according to claim 1 , ...

PREFABRICATED CONDUCTORS ON A SUBSTRATE TO FACILITATE CORNER CONNECTIONS FOR A SOLAR CELL ARRAY

A substrate for solar cells is fabricated such that an area of the substrate remains exposed when at least one solar cell having at least one cropped corner that defines a corner region is attached to the substrate; the area of the substrate that remains exposed includes one or more conductors printed on the substrate; and electrical connections between the solar cell and the conductors are made in the corner region resulting from the cropped corner of the solar cell. The substrate may also include buried conductors for making series connections that determine a flow of power through a plurality of solar cells, including corner-to-corner and column-to-column connections for the plurality of solar cells that are attached to the substrate in a two-dimensional (2-D) grid of an array. The substrate may also be covered by a polyimide overlay for preventing electrostatic discharge (ESD). 1. A structure , comprising:a substrate for solar cells, wherein the substrate is configured such that:an area of the substrate remains exposed when at least one solar cell having at least one cropped corner that defines a corner region is attached to the substrate;the area of the substrate that remains exposed includes one or more conductors; andelectrical connections between the solar cell and the conductors are made in the corner region.2. The structure of claim 1 , wherein the solar cell includes a front contact on a front side of the solar cell.3. The structure of claim 2 , wherein the front contact extends into the corner region.4. The structure of claim 1 , wherein the solar cell includes a back contact on a back side of the solar cell.5. The structure of claim 4 , wherein the back contact extends into the corner region.6. The structure of claim 1 , wherein the conductors are patterned on the substrate.7. The structure of claim 1 , wherein the conductors are covered with an insulating layer.8. The structure of claim 1 , wherein the solar cell is placed on top of the conductors.9. ...

Solar cell array connections using corner conductors

A solar cell array is comprised of at least one solar cell and a substrate for the solar cell. The solar cell has at least one cropped corner that defines a corner region, wherein the corner region includes at least one contact for making an electrical connection to the solar cell. The contact comprises a front contact on a front side of the solar cell and/or a back contact on a back side of the solar cell, wherein the contact extends into the corner region. The solar cell is attached to the substrate such that corner regions of adjacent solar cells are aligned, thereby exposing an area of the substrate where electrical connections between the solar cells are made using corner conductors. The electrical connections are up/down and/or left/right series connections that determine a flow of current through the cells.

Power routing module for a solar cell array

A power routing module for electrically interconnecting solar cells in an array, wherein the power routing module includes: an electrically conductive layer for electrically interconnecting the solar cells; and an insulation layer for electrically insulating the electrically conductive layer. At least one of the solar cells has at least one cropped corner that defines a corner region. An area of a substrate in the corner region remains exposed when the solar cells are attached to the substrate, and the power routing module is attached to the substrate in the area of the substrate in the corner region that remains exposed.

FOIL TRIM APPROACHES FOR FOIL-BASED METALLIZATION OF SOLAR CELLS

Foil trim approaches for the foil-based metallization of solar cells and the resulting solar cells are described. For example, a method involves attaching a metal foil sheet to a metallized surface of an underlying supported wafer to provide a unified pairing of the metal foil sheet and the wafer. Subsequent to attaching the metal foil sheet, a portion of the metal foil sheet is laser scribed from above to form a groove in the metal foil sheet. Subsequent to laser scribing the metal foil sheet, the unified pairing of the metal foil sheet and the wafer is rotated to provide the metal sheet below the wafer. Subsequent to the rotating, the unified pairing of the metal foil sheet and the wafer is placed on a chuck with the metal sheet below the wafer. The metal foil sheet is torn at least along the groove to trim the metal foil sheet. 1. A solar cell , comprising:a wafer having a metallized surface and having a perimeter; anda metal foil piece electrically connected to the metallized surface of the wafer, the metal foil piece having a perimeter comprising a first portion in alignment with or within a first portion of the perimeter of the wafer, and comprising a second portion overhanging a second portion of the perimeter of the wafer.2. The solar cell of claim 1 , wherein the metallized surface of the wafer comprises semiconductor regions and a plurality of metal seed material regions on each of the semiconductor regions.3. The solar cell of claim 2 , wherein the metal foil piece is electrically connected to the plurality of metal seed material regions.4. The solar cell of claim 3 , further comprising breaks in the metal foil piece at locations corresponding to regions between the metal seed material regions.5. The solar cell of claim 2 , wherein the plurality of metal seed material regions comprises aluminum.6. The solar cell of claim 1 , wherein the metallized surface of the wafer comprises semiconductor regions claim 1 , and the metal foil piece is in direct contact ...

Solar cell module and fabricating methods thereof

A solar cell module can include a plurality of solar cells, each solar cell among the plurality of solar cells including a first electrode and a second electrode arranged in parallel on a rear surface of a semiconductor substrate; a substrate including a conductive pattern electrically connecting the plurality of solar cells with each other; and a protective film disposed on the plurality of solar cells on a front surface of the substrate, in which the conductive pattern includes: a plurality of conductive portions, each of the plurality of conductive portions being arranged between two adjacent solar cells among the plurality of solar cells, an electrode portion formed on a rear surface of the substrate, and a connection portion connected to the electrode portion and surrounding a side surface of the substrate.

SOLAR CELL APPARATUS AND METHOD OF FABRICATING THE SAME

Disclosed are a solar cell apparatus and a method of fabricating the same. The solar cell apparatus includes a substrate, a back electrode layer on the substrate, a light absorbing layer on the back electrode layer, a front electrode layer on the light absorbing layer, a bus bar provided beside the light absorbing layer while being connected to the back electrode layer, and a conductive part surrounding the bus bar. The method includes forming a back electrode layer on a substrate, forming a bus bar on the back electrode layer, forming a light absorbing layer beside the bus bar on the back electrode layer, and forming a front electrode layer on the light absorbing layer. A conductive part surrounds the bus bar in the step of forming the bus bar. 1. A solar cell apparatus comprising:a substrate;a back electrode layer on the substrate;a light absorbing layer on the back electrode layer;a front electrode layer on the light absorbing layer;a bus bar provided beside the light absorbing layer while being connected to the back electrode layer; anda conductive part contact with the bus bar,wherein the conductive part include a first conductive part, a second conductive part and a third conductive part,wherein the first conductive part is located on a top surface of the bus bar,wherein the second conductive part is located on a bottom surface of the bus bar,wherein the third conductive part is located on a lateral surface of the bus bar,wherein a thickness of the first conductive part and a thickness of the second conductive part are different,wherein at least one of the first conductive part, the second conductive part and the third conductive part include a curved or slanting shape.2. The solar cell apparatus of claim 1 , wherein the conductive part includes carbon.3. The solar cell apparatus of claim 2 , wherein the conductive part includes conductive carbon.4. The solar cell apparatus of claim 1 , wherein the substrate includes a non-active region corresponding to an ...

SMART PHOTOVOLTAIC CELLS AND MODULES

A solar photovoltaic module laminate for electric power generation is provided. A plurality of solar cells are embedded within module laminate and arranged to form at least one string of electrically interconnected solar cells within said module laminate. A plurality of power optimizers are embedded within the module laminate and electrically interconnected to and powered with the plurality of solar cells. Each of the distributed power optimizers capable of operating in either pass-through mode without local maximum-power-point tracking (MPPT) or switching mode with local maximum-power-point tracking (MPPT) and having at least one associated bypass switch for distributed shade management. 123-. (canceled)24. A solar photovoltaic module laminate for electric power generation , said module laminate comprising:a plurality of solar cells embedded within said module laminate, arranged to form at least one string of electrically interconnected solar cells within said module laminate;a plurality of power optimizers embedded within said module laminate, electrically interconnected to and powered with said plurality of solar cells, each of said distributed power optimizers capable of operating in either pass-through mode without local maximum-power-point tracking (MPPT) or switching mode with local maximum-power-point tracking (MPPT); andat least one bypass switch for distributed shade management associated and in cooperation with each power optimizer.25. The solar photovoltaic module laminate of claim 24 , wherein said plurality of power optimizers comprise Maximum-Power-Point-Tracking (MPPT) power optimizer circuits for operation in said switching mode with local maximum-power-point tracking (MPPT).26. The solar photovoltaic module laminate of claim 24 , wherein said plurality of power optimizers comprise Maximum-Power-Point-Tracking (MPPT) DC-to-DC converter circuits for operation in said switching mode with local maximum-power-point tracking (MPPT).27. The solar ...

SOLAR MODULE AND MANUFACTURING METHOD THEREFOR

Provided is a solar module having improved photoelectric conversion efficiency and a method for producing this solar module. The wiring () has a first linear portion () and a second linear portion (). The first linear portion () is arranged at least partially on a finger portion () of a first electrode (). The first linear portion () is connected electrically to the finger portion () of the first electrode (). The second linear portion () is arranged at least partially on a finger portion () of a second electrode (). The second linear portion () is connected electrically to the finger portion () of the second electrode (). Either the first linear portion () or the second linear portion () is narrower than the other. 1. A solar module comprising:a plurality of solar cells each having a photoelectric conversion unit and a first electrode and a second electrode arranged on one main surface of the photoelectric conversion unit;a wiring member electrically connecting the first electrode of one adjacent solar cell to the second electrode of the other adjacent solar cell; andan adhesive layer bonding the wiring member and either the one adjacent solar cell or the other adjacent solar cell;the wiring member having an insulating substrate and wiring provided on the insulating substrate;the first electrode and the second electrode each having a plurality of finger portions;the wiring having a first linear portion arranged at least partially on a finger portion of the first electrode and connected electrically to the finger portion of the first electrode, and a second linear portion arranged at least partially on a finger portion of the second electrode and connected electrically to the finger portion of the second electrode; andone of the first linear portion and the second linear portion having a narrower width than the other.2. The solar module according to claim 1 , wherein the width of the first linear portion is narrower than the width of the second linear portion claim ...

METAL OXYNITRIDE BACK CONTACT LAYERS FOR PHOTOVOLTAIC DEVICES

According to the embodiments provided herein, back contacts for photovoltaic devices can include one or more metal oxynitride layers. 1. A photovoltaic device comprising:a conducting layer having a surface formed by a layer comprising aluminum; anda back contact having a first surface, a second surface, and a thickness defined between the first surface of the back contact and the second surface of the back contact, wherein:the second surface of the back contact is in contact with the surface of the conducting layer; andthe back contact comprises a layer comprising a metal oxynitride material and one or more layers containing zinc, cadmium, tellurium, or any combination thereof positioned between the layer comprising the metal oxynitride material and the first surface of the back contact.2. The photovoltaic device of claim 1 , wherein the metal oxynitride material comprises a group IV transition metal claim 1 , a group V transition metal claim 1 , or a group VI transition metal.3. The photovoltaic device of claim 2 , wherein the metal oxynitride material comprises less than about 70% of the group IV transition metal claim 2 , the group V transition metal claim 2 , or the group VI transition metal.47-. (canceled)8. The photovoltaic device of claim 1 , wherein the metal oxynitride material comprises less than 50% oxygen.9. The photovoltaic device of claim 1 , wherein the metal oxynitride material comprises less than 50% nitrogen.1011-. (canceled)12. The photovoltaic device of claim 1 , wherein:the one or more layers containing zinc, cadmium, tellurium, or any combination thereof comprises a first layer comprising a ternary of cadmium, zinc, and tellurium, and a second layer comprising a binary of zinc and tellurium; andthe first layer of the one or more layers containing zinc, cadmium, tellurium, or any combination thereof is positioned closer to the first surface of the back contact than the second layer of the one or more layers containing zinc, cadmium, tellurium, ...

ASSEMBLY METHOD AND PLANT OF PHOTOVOLTAIC PANEL OF THE BACK-CONTACT TYPE, WITH PRINTING ON THE CELLS COMBINED WITH LOADING AND PRE-FIXING

Assembly method of a photovoltaic panel with back-contact solar cells of crystalline silicon, which provides to print ECA adhesive directly on the contacts of the cells and to immediately load and pre-fix the printed cells. The method includes a macro-phase including operating sub-phases, simultaneous and coordinated with respect to each other: a first sub-phase of oriented loading of the cells with the contacts facing upwards on a mobile tray, a second sub-phase of silkscreen printing of ECA on the contacts, a third sub-phase of control of the laying carried out and of optional re-positioning of the screen, a fourth sub-phase of overturning of the printed cells, a fifth sub-phase of oriented transport of a string of cells up to positioning, a sixth sub-phase of pre-fixing. An automatic assembly plant is also disclosed having a combined station that allows for execution of the macro-phase. 1. Automatic assembly method of a photovoltaic panel with back-contact cells of crystalline silicon , comprising the following operating phases:horizontal positioning on a panel-holding tray of a conductive backsheet provided with an encapsulating layer with dielectric material and with the contacting holes of the cells facing upwards, which is also called BCBS;laying of conductive material between the cell and the holes, such as an ECA conductive adhesive;loading of the cells on said BCBS positioning them with the sensitive face thereof facing upwards and with contacts of both polarities in correspondence of the contacting holes;pre-fixing of the cells to the lower encapsulating material;superimposition of the upper encapsulating layer;laying of the front glass;overturning of the layered components and sending to the rolling furnace;said method wherein said laying of conductive material occurs directly on the cell, in correspondence of the back contacts, by means of printing; said method wherein said pre-fixing occurs by applying localised heat and in combination with said ...