Method of manufacturing an electrochemical energy storage device and electrochemical energy storage device.

Die Erfindung betrifft ein Verfahren zur Herstellung einer elektrochemischen Energiespeichervorrichtung (10) mit zumindest einer Speicherzelle (12, 38), welche zumindest einen Anodenraum (14, 44), zumindest einen Kathodenraum (16, 42), zumindest einen zwischen dem Anodenraum (14, 44) und dem Kathodenraum (16, 42) angeordneten Separator (18, 46) und zumindest einen elektrisch isolierenden Rahmen (20, 48) aufweist, welcher zumindest den Kathodenraum (16, 42) umgibt. Es wird vorgeschlagen, dass in zumindest einem Verfahrensschritt der Rahmen (20, 48) mittels Laserschweißens, insbesondere direkt, mit einer Endkappe (58, 62) der Speicherzelle (12, 38) verbunden wird. Die Erfindung betrifft auch eine elektrochemische Energiespeichervorrichtung.

Pile avec joint collé et procédé de fabrication d'une telle pile.

Un aspect de l'invention concerne une pile (100) comportant un boîtier présentant un récipient (111) définissant un premier pôle de la pile, et un couvercle (112) définissant un deuxième pôle de la pile, le récipient et le couvercle étant scellés au niveau d'une zone jointive (115) configurée pour assurer l'étanchéité du boîtier et l'isolation galvanique entre ledit récipient et ledit couvercle, ledit récipient comportant un fond couronné d'une paroi latérale (111-2) terminée à son extrémité libre par une portion d'extrémité (111-3), ledit couvercle comportant une bordure annulaire (112-2), ladite pile étant caractérisée en ce que ledit boîtier comporte un élément additionnel (118) présentant : une première portion (118-1) s'étendant selon une première direction, ladite première portion étant agencée de manière à avoir au moins une partie en vis-à-vis de la bordure annulaire (112-2) du couvercle ; une deuxième portion (118-2), située à l'intérieur du récipient, s'étendant selon une deuxième ...

CYLINDRICAL SECONDARY BATTERY

In order to solve a technical problem according to the present disclosure, provided is a cylindrical secondary battery capable of preventing the deformation of components during the manufacture or use thereof. To this end, the present disclosure provides a cylindrical secondary battery comprising: a cylindrical can; an electrode assembly accommodated in the cylindrical can; and a cap assembly for sealing the electrode assembly by covering the cylindrical can, wherein the cap assembly includes: a cap-up portion; a cap-down portion provided below the cap-up portion; and a safety vent provided between the cap-up portion and the cap-down portion, and the elongation rates of the cap-down portion and the safety vent are different from each other.

Miniature Electrical Power Source Housed In A Casing Having An Intermediate Ceramic Ring Diffusion Bonded To Opposed Titanium Members

An electrical power source comprises a casing made by diffusion bonding an intermediate ceramic ring to a titanium base plate and a titanium top ring. An anode housed in the resulting open-ended container is electrically connected to the base plate. A separator is positioned on the anode. Separately, a cathode is electrically connected to a titanium lid. The lid fitted on the titanium top ring opposite the intermediate ceramic ring is welded to the top ring to close the casing. An electrolyte filled into the casing through a fill port in the lid activates the anode/cathode assembly. The fill port is then hermetically sealed. Gold pads are individually contacted to the base plate and the lid, which serve as opposite polarity terminals for the power source.

Batteries and Methods of Using and Making the Same

The disclosure provides a cell that may comprise (1) a housing; (2) an anode current collector, in the housing, including a first connection, and the anode current collector including a first plate with perforations and a second plate with perforations, the anode current collector further including a tab that connects the first plate and the second plate; (3) a cathode current collector, in the housing, including a second connection; (4) a first anode, in the housing, provided between the cathode current collector and the first plate; (5) a second anode, in the housing, provided between the cathode current collector and the second plate; and (6) a cathode, in the housing, provided adjacent to the cathode current collector. The disclosure may also provide systems and methods of making such a cell.

SECONDARY BATTERY, ELECTRONIC DEVICE, AND POWER TOOL

Provided is a battery capable of maintaining electrical insulation between a battery lid and a battery can when exposed to an aqueous solution such as sea water. Disclosed is a secondary battery including an electrode winding body in which a strip-shaped positive electrode and a strip-shaped negative electrode are stacked with a separator interposed between the electrodes and wound, an electrolytic solution, and a battery can that houses the electrode winding body and the electrolytic solution, the battery can having an opening hermetically sealed by a safety valve mechanism and a battery lid with a gasket interposed therebetween, in which the battery lid includes a terminal portion and a flange portion, and a metal layer is included between an outer main surface of among main surfaces of the flange portion and the gasket.

BATTERY

A battery includes a first casing. The first casing includes a first metal piece and a second metal piece disposed inside the first metal piece, such that the first metal piece forms an outer surface of the first casing and the second metal piece forms an inner surface of the first casing. A material of the first metal piece is inconsistent with a material of the second metal piece. A corrosion potential of the second metal piece is higher than a corrosion potential of the first metal piece, and the corrosion potential of the second metal piece is higher than a negative electrode potential of the battery.

HOUSING PART, IN PARTICULAR MICROBATTERY AND METHOD FOR PRODUCING A HOUSING PART

POWER BATTERY TOP COVER PLATE STRUCTURE

A power battery top cover plate structure is disclosed in the present invention. A first protrusion protruding obliquely outwards is arranged on a battery pole, the battery pole and a connecting body of a lower insulator are placed in a pole hole of a top cover sheet, and then an annular area formed by a combination of an annular first protrusion on the battery pole and a locking block on the pole hole is wrapped by plastic to form an upper insulator, thus completing fixed installation of the battery pole and the lower insulator. The arrangement reduces installation accessories, reduces production costs by more than %, and at the same time improves the production efficiency, so that the yield and product quality are greatly improved.

ELECTROCHEMICAL DEVICE AND ELECTRICAL DEVICE

An electrochemical device includes an electrode assembly and a housing for accommodating the electrode assembly. The housing includes a first housing body and a second housing body fixedly connected to the first housing body. A notch is provided on at least one of the first housing body or the second housing body. The electrode assembly includes a tab. The tab protrudes out of the housing from the notch. The notch is filled with a sealing material.

ALUMINUM ALLOY SHEET FOR BATTERY LID USE FOR FORMING INTEGRATED EXPLOSION-PROOF VALVE AND METHOD OF PRODUCTION OF SAME

Aluminum alloy sheet for battery lid use excellent in heat radiation ability, formability, and work softenability, which aluminum alloy sheet for battery lid use enabling formation of an integrated explosion-proof valve with little variation in operating pressure and excellent in cyclic fatigue resistance, and a method of production of the same are provided, the aluminum alloy sheet for battery lid use for forming an integrated explosion-proof valve having a component composition containing Fe: 1.05 to 1.50 mass %, Mn: 0.15 to 0.70 mass %, Ti: 0.002 to 0.15 mass %, and B: less than 0.04 mass %, having a balance of Al and impurities, having an Fe/Mn ratio restricted to 1.8 to 7.0, restricting, as impurities, Si to less than 0.40 mass %, Cu to less than 0.03 mass %, Mg to less than 0.05 mass %, and V to less than 0.03 mass %, having a conductivity of 53.0% IACS or more, having a value of elongation of 40% or more, having a recrystallized structure, having a value of (TS95−TS80) of less than ...

Battery rupture plate structure and preparation method therefor, battery cover plate, and battery

CYLINDRICAL BATTERY

A cylindrical battery with an opening sealing body that seals an opening of a battery can. The opening sealing body includes a valve member, a metal plate disposed on an inner side of the battery with respect to the valve member, and an annular insulating member interposed between the valve member and the metal plate. The valve member and the metal plate are connected to each other at respective central portions. The valve member has an annular thin-walled portion which is deformable when an internal pressure of the battery increases. The metal plate and the insulating member have respective holes which communicate with each other. The insulating member has a section that covers a surface, on the valve member side, of the metal plate, and a section that is provided subsequent to the section and covers a lateral surface of the hole of the metal plate.

RECHARGEABLE BATTERY AND MODULE OF THE SAME

A rechargeable battery and a battery module. A rechargeable battery includes: a unit cell including an electrode assembly, a case containing the electrode assembly, a cap plate covering an opening of the case, and a terminal electrically connected to the electrode assembly and protruding through the cap plate; and a cover including an electrically insulating material and covering the cap plate, the cover having an opening exposing the terminal therethrough.

POWER BATTERY TOP COVER STRUCTURE

A power battery top cover structure is disclosed in the present invention. A first protrusion protruding obliquely outwards is arranged on a battery pole, the battery pole is placed in a pole hole of a top cover sheet, the first protrusion and an outer peripheral side of the battery pole are protected by injection molding between the pole hole and the battery pole. At the same time, an inner wall of the pole hole is wrapped to complete fixed installation of the battery pole. By arranging the first protrusion, a second protrusion, and a locking recess portion, after the battery pole is placed in the pole hole of the top cover sheet, an insulating barrier is injection-molded between the pole hole and the battery pole to realize the installation on the top cover sheet, which reduces installation accessories, reduces production costs by more than 20%, and at the same time improves the production efficiency, so that the yield and product quality are greatly improved.

SECONDARY BATTERY, BATTERY PACK, AND AUTOMOBILE

The present invention provides a secondary battery including an electrode assembly having a first electrode tab and a second electrode tab, a battery can electrically connected to the second electrode tab and having an opening portion configured to accommodate the electrode assembly, a top cap configured to cover the opening portion of the battery can and electrically connected to the first electrode tab, a conductive washer electrically connected to the battery can and configured to adjoin at least a part of a peripheral portion of the opening portion, and an insulative member provided between the top cap and the battery can and the conductive washer electrically connected to the battery can, the insulative member being configured to electrically insulate the top cap and at least one of the battery can and the conductive washer, in which the top cap includes first and second surfaces facing each other, the first surface faces the electrode assembly and is electrically connected to the ...

BATTERIE UND BATTERIEPACK

Gemäß einer Ausführungsform ist eine Batterie bereitgestellt. Die Batterie beinhaltet eine erste Leitung, welche einen Stromsammelansatz klemmt, die in mehrere Schichten gewickelt ist. Die erste Leitung beinhaltet: einen Anschlussplattenabschnitt, der mit der zweiten Leitung elektrisch verbunden ist; und einen Abdeckplattenabschnitt gegenüber dem Anschlussplattenabschnitt, wobei der Stromsammelansatz, der in mehrere Schichten gewickelt ist, dazwischen eingefügt ist. Der Abdeckplattenabschnitt beinhaltet einen ersten Plattenabschnitt und einen zweiten Plattenabschnitt, der sich durchgehend von dem ersten Plattenabschnitt erstreckt. Der zweite Plattenabschnitt beinhaltet einen Vorsprung, der relativ zu dem ersten Plattenabschnitt entlang einer Richtung vorsteht, in der sich die zweite Leitung erstreckt. Der Vorsprung ist in Richtung von zumindest einem Ende der gewickelten Elektrodengruppe gebogen.

apparatus and method for a cylindrical cell

FABRICATION OF MICRO/MILLIMETER-SCALE POWER SOURCES AND THE PROCESS FLOW THEREFOR

A power source for a micro-device is provided. The power source may include a cup, a lid and electrolytes. The cup may be formed of a hard metal material and walls of the cup may define a cavity. An opening in the cup may provide access to the cavity and a surface of the cavity may be deposited with one of an anode or cathode material. The lid may be formed of a hard metal material, the lid may cooperate with the cup to fit into the opening closing off the cavity. The cavity may be coated with the other of the anode or cathode material. Electrolytes may be contained in the cavity; ...

WOUND CYLINDRICAL LITHIUM-SULFUR BATTERY INCLUDING ELECTRICALLY-CONDUCTIVE CARBONACEOUS MATERIALS

A lithium-sulfur battery includes a casing, a top lid circumferentially welded to the casing, a negative contact surface positioned opposite the top lid, a positive terminal disposed within the casing, welded to the top lid, and configured as a mandrel, a glass insulator circumferentially wound around the mandrel, and a jelly roll including at least an anode and a cathode wound around the mandrel. The jelly roll may also include a top surface not in contact with the top lid, a bottom surface partially in contact with the negative contact surface, and partially in contact with a plurality of non-hollow carbonaceous spherical particles disposed between the bottom surface of the jelly roll and the negative contact surface. At least some of the non-hollow carbonaceous spherical particles may provide one or more electrically-conductive pathways between the bottom surface and the negative contact surface.

TOP PLATE FOR LASER WELDED LITHIUM-ION BUTTON CELL BATTERY

A rechargeable lithium-ion button cell battery having a sealed housing includes a top flat plate and a round or oval cup sealed by laser at the rim of top plate whereas connecting the opening end of the cup sidewall. The top plate has a centered sandwiched structure including two outer plates at upper and lower position, that clamping one inner pin-like conductive plate by its flange, insulated by a gasket. The upper plate of the outer plates has an asymmetric shape to its center line, which allows asymmetric sealing force applied on the inner pin-like plate flange to act as a safety vent. Inside the sealed housing the anode and cathode electrodes are either spiral wound or stacked with separator to be a round or oval roll, one electrode is connected to the cup, the other electrode is connected to the inner pin-like conductive plate of the top plate.

ENERGIESPEICHERSYSTEM

Energiespeichersystem (100) insbesondere zum Einsatz in einem Fahrzeug (200), bevorzugt zum Einsatz in einem Hybrid-Fahrzeug (200), wobei das Energiespeichersystem (100) Folgendes aufweist: eine Vielzahl von Lithium-Ionen-Zellen (10), ein Gehäuse (20) mit einem Innenraum zum Aufnehmen der Lithium-Ionen-Zellen (10) und mit einer Öffnung, und einer Abdeckeinrichtung (30). Zwischen dem Innenraum des Gehäuses (20) und den den Innenraum begrenzenden Innenflächen des Gehäuses (20) ist zumindest bereichsweise eine Barriereschicht (22) vorgesehen. Dabei ist die Abdeckeinrichtung (30) derart mit dem Gehäuse (20) verbindbar oder verbunden, dass die Öffnung des Gehäuses (20) verschlossen oder verschließbar ist, und zwar derart, dass die Abdeckeinrichtung (30) zumindest bereichsweise eine Außenfläche des so verschlossenen Gehäuses (20) bildet. Die Abdeckeinrichtung (30) ist bevorzugt als Kühleinrichtung ausgebildet zur Temperaturregulierung des Energiespeichersystems (100).

Batteriezelle mit in Gehäusedeckplatte integriertem Knackfederbereich

Es wird eine Batteriezelle, insbesondere eine Lithium-Ionen-Batteriezelle, beschrieben, bei der eine Anzahl von Bauteilen im Vergleich zu herkömmlichen Batteriezellen vermindert sein kann. Bei der Batteriezelle wird ein metallisches Gehäuse, in dem ein Wickelelement, zwei Stromabnehmer und ein Elektrolyt aufgenommen sind, mithilfe einer Deckelanordnung gas- uns druckdicht verschlossen. Die Deckelanordnung beinhaltet unter anderem eine Deckplatte (23), mittels derer eine Öffnung des Gehäuses größtenteils verschlossen wird. Es wird vorgeschlagen, in dieser Deckplatte (23) einen Knackfederbereich (31) auszubilden, der eine geringere Dicke aufweist als umgebende Bereiche der Deckplatte (23) und der dazu ausgebildet ist, bei Überschreiten eines Schwelleninnendrucks in dem Gehäuse von einem ersten Zustand, in dem der Knackfederbereich (31) nach innen in das Gehäuse hinein gebogen ist, in einen zweiten Zustand, in dem der Knackfederbereich (31) nach außen aus dem Gehäuse (11) heraus gebogen ist ...

ENERGY STORAGE SYSTEM

Disclosed is an energy storage system, in particular for use in a vehicle, preferably for use in a hybrid vehicle, wherein the energy storage system has the following: a multiplicity of lithium ion cells, a housing with an interior space for receiving the lithium-ion cells and having an opening and a cover device. A barrier layer is provided, at least in certain areas, between the interior of the housing and the inner faces of the housing which bound the interior. In this context, the cover device can be or is connected to the housing in such a way that the opening of the housing is or can be closed, specifically in such a way that the cover device forms, at least in certain areas, an outer face of the housing which is closed in this way. The cover device is preferably embodied as a cooling device for regulating the temperature of the energy storage system.

CYLINDRICAL SECONDARY BATTERY

In order to solve a technical problem according to the present disclosure, provided is a cylindrical secondary battery capable of preventing the deformation of components during the manufacture or use thereof. To this end, the present disclosure provides a cylindrical secondary battery comprising: a cylindrical can; an electrode assembly accommodated in the cylindrical can; and a cap assembly for sealing the electrode assembly by covering the cylindrical can, wherein the cap assembly includes: a cap-up portion; a cap-down portion provided below the cap-up portion; and a safety vent provided between the cap-up portion and the cap-down portion, and the elongation rates of the cap-down portion and the safety vent are different from each other.

Apparatus and method for a cylindrical cell

A cylindrical cell 2 form a secondary battery comprises a housing 20 with a peripheral wall 20a, a first end member 22 and a second end member 21, and a jelly-roll 23 and thermally conductive member 24 both located within the housing. The thermally conductive member 24 is centrally disposed within the housing and is electrically connected to the jelly-roll and to the first end member. One or more of the end members may be removably attached to the peripheral wall of the housing, e.g. by screw fitting, or may instead be welded. A pair of central thermally conductive members (34a,b; Fig 3) may be provided on each end wall, which members may be joined together by an electrical insulator. A method of forming the cell is also disclosed, which method may comprise inserting the jelly-roll into a preformed housing, or the housing may be formed around the jelly-roll.

ELECTROCHEMICAL CELL CASING HAVING AN ANNULAR SIDEWALL SECURED TO A BASE PLATE BY A CERAMIC-TO-GLASS-TO-METAL SEAL

A miniature electrochemical cell of a primary or secondary chemistry with a total volume that is less than 0.5 cc is described. The cell casing comprises an annular sidewall connected to a base plate opposite an upper lid. A sealing glass forms a hermetic glass-to-ceramic seal with a dielectric material contacting a lower portion of the annular sidewall and a glass-to-metal seal with the base plate. Since the glass seals against three surfaces of the annular sidewall, which are the inner and outer sidewall surfaces adjacent to the lower edge, the glass seal is robust enough to withstand the heat generated when the lid is welded to the upper edge of the annular sidewall. The lid has a sealed electrolyte fill port that is axially aligned with an annulus residing between the inner surface of the annular sidewall and the electrode assembly.

Knopfzelle mit Wickelelektrode mit thermischer Sicherung

Beschrieben wird eine Knopfzelle mit einem Gehäuse aus zwei metallischen Gehäusehalbteilen, einem Elektroden-Separator-Verbund in Form eines vorzugsweise spiralförmigen Wickels innerhalb des Gehäuses und metallischen Ableitern, die die Elektroden des Verbundes mit den Gehäusehalbteilen elektrisch verbinden, wobei zumindest einer der Ableiter mit einer thermischen Sicherung versehen ist.

HERMETICALLY SEALED BATTERY

A nonaqueous electrolyte secondary battery (10) is provided with a bottomed tubular outer can (16) accommodating an electrode body (14), and a sealing body (17) for sealing an opening portion of the outer can (16). A crimped portion (31) for crimping and securing the sealing body (17) is formed in the outer can (16) by bending the edge portion of the opening portion inward in the radial direction, and the sealing body (17) includes a rupture disk (24), a cathode cap (27) including a flange (27a), and a metal height adjusting portion (40) for adjusting the height of the crimped portion (31).

SECONDARY BATTERY

The present invention relates to a secondary battery capable of improving the coupling force between a safety vent and a cap-up. For example, disclosed is a secondary battery comprising: an electrode assembly; a case for accommodating the electrode assembly; a cap assembly coupled to the upper part of the case; and a gasket interposed between the cap assembly and the case, wherein the cap assembly includes a cap-up and a safety vent, which is provided at the lower part of the cap-up and has a vent extension part extending to the upper part of the cap-up so as to encompass the edge of the cap-up, a welding region, in which the safety vent and the cap-up are welded and coupled by laser welding, is formed in the vent extension part, and the welding region is formed in a line shape.

FLEXIBLE SECONDARY BATTERY

METHOD FOR EVALUATING RESISTANCE WELDING QUALITY OF BATTERY BY USING EDDY CURRENT SIGNAL CHARACTERISTICS

LASER WELDED LITHIUM-ION BUTTON CELL BATTERY COMPRISING A TOP PLATE

A rechargeable lithium-ion button cell battery having a sealed housing includes a top flat plate and a round or oval cup sealed by laser at the rim of top plate whereas connecting the opening end of the cup sidewall. The top plate has a centered sandwiched structure including two outer plates at upper and lower position, that clamping one inner pin-like conductive plate by its flange, insulated by a gasket. The upper plate of the outer plates has an asymmetric shape to its center line, which allows asymmetric sealing force applied on the inner pin-like plate flange to act as a safety vent. Inside the sealed housing the anode and cathode electrodes are either spiral wound or stacked with separator to be a round or oval roll, one electrode is connected to the cup, the other electrode is connected to the inner pin-like conductive plate of the top plate.

ALUMINUM ALLOY SHEET FOR BATTERY LID USE FOR FORMING INTEGRATED EXPLOSION-PROOF VALVE AND METHOD OF PRODUCTION OF SAME

Aluminum alloy sheet for battery lid use having suitable strength and excellent in deformation resistance and formability, which aluminum alloy sheet for battery lid use enabling formation of an integrated explosion-proof valve with little variation in operating pressure and excellent in cyclic fatigue resistance, and a method of production of the same are provided, the aluminum alloy sheet for battery lid use for forming an integrated explosion-proof valve having a component composition containing Fe: 0.85 to 1.50 mass %, Mn: 0.30 to 0.70 mass %, Ti: 0.002 to 0.15 mass %, and B: less than 0.05 mass %, having a balance of Al and impurities, having an Fe/Mn ratio restricted to 1.8 to 3.5, restricting, as impurities, Si to less than 0.40 mass %, Cu to less than 0.03 mass %, Mg to less than 0.05 mass %, and V to less than 0.03 mass %, having a tensile strength of 95 MPa or more, having a 0.2% yield strength of 40 MPa or more, having a value of elongation of 40% or more, having a recrystallized structure, and having a value of elongation after cold rolling by a rolling reduction of 80% of 6.5% or more. Furthermore, an average grain size of the recrystallized grains of the recrystallized structure is preferably 15 to 25 μm. 1. Aluminum alloy sheet for battery lid use for forming an integrated explosion-proof valve having a component composition containing Fe: 0.85 to 1.50 mass % , Mn: 0.30 to 0.70 mass % , Ti: 0.002 to 0.15 mass % , and B: less than 0.05 mass % , having a balance of Al and impurities , having an Fe/Mn ratio restricted to 1.8 to 3.5 , restricting , as impurities , Si to less than 0.40 mass % , Cu to less than 0.03 mass % , Mg to less than 0.05 mass % , and V to less than 0.03 mass % , having a tensile strength of 95 MPa or more , having a 0.2% yield strength of 40 MPa or more , having a value of elongation of 40% or more , having a recrystallized structure , and having a value of elongation after cold rolling by a rolling reduction of 80% of 6.5% or more. ...

ENERGY STORAGE CELL AND PRODUCTION METHOD

A an energy storage cell includes an electrode-separator assembly comprising an anode, a cathode, and a separator in a form of a cylindrical winding having two terminal end faces and a winding shell. An anode current collector includes a first longitudinal edge, and a cathode current collector includes a first longitudinal edge. The energy storage cell also includes a tubular housing portion in which the cylindrical winding is aligned axially. An at least partly metallic contact element with a circular edge is in direct contact with and connected the first longitudinal edge of the anode current collector or the first longitudinal edge of the cathode current collector. The energy storage cell further includes an annular seal made of an electrically insulating material that surrounds the circular edge of the contact element. The contact element together with the seal closes a terminal circular opening of the tubular housing portion.

TOP COVER ASSEMBLY OF CELL, CELL, AND POWER BATTERY

Provided are a top cover assembly of a cell, a cell, and a power battery. The top cover assembly includes an insulation cover plate, a metallic support plate, a terminal assembly, and an elastic seal. The metallic support plate and the insulation cover plate are stacked in a thickness direction. The terminal assembly passes through the insulation cover plate and the metallic support plate in the thickness direction to connect the insulation cover plate and the metallic support plate. The elastic seal surrounds a peripheral outside of the metallic support plate and the insulation cover plate. The elastic seal has a positioning flange provided on an inner peripheral surface thereof and is configured to be in a sealing fit with a housing of the cell. The positioning flange is sandwiched between the metallic support plate and the insulation cover plate.

BATTERY AND METHOD FOR MANUFACTURING SAME

A battery disclosed herein includes: electrode bodies; an outer package which has an opening and which houses the electrode bodies; a sealing plate which seals the opening of the outer package and which has a through-hole and a recessed portion provided around the through-hole on a surface of a side opposing the electrode bodies; and a sealing member which seals the through-hole of the sealing plate. The sealing member has an inserted portion having been inserted to the through-hole and an enlarged diameter portion which extends from the inserted portion to inside of the outer package and which is formed with a larger diameter than the inserted portion. At least a part of the enlarged diameter portion is arranged inside the recessed portion of the sealing plate.

Miniature electrochemical cell having a casing of a conductive plate closing an open-ended ceramic container having a via hole supporting a platinum-containing conductive pathway

A miniature electrochemical cell having a volume of less than 0.5 cc is described. The cell casing comprises an open-ended ceramic container having a via hole providing an electrically conductive pathway extending through the container. A metal lid closes the open-end of the container. An electrode assembly housed inside the casing comprises an anode current collector deposited on an inner surface of the ceramic container in contact with the electrically conductive pathway in the via hole. An anode active material contacts the current collector and a cathode active material contacts the metal lid. A separator is disposed between the anode and cathode active materials. That way, the electrically conductive pathway serves as a negative terminal, and the lid, electrically isolated from the conductive pathway by the ceramic container, serves as a positive terminal. The negative and positive terminals are configured for electrical connection to a load.

UV COATING FOR DIELECTRIC INSULATION

Elektrische Einrichtung

Die Erfindung betrifft eine elektrische Einrichtung, insbesondere elektrische Speichereinrichtung oder Sensorgehäuse, bevorzugt Batterie insbesondere Mikrobatterie oder Kondensator mit einer Durchführung, insbesondere durch ein Gehäuseteil (1) eines Gehäuses der Einrichtung aus einem Metall, Eisen, Eisen-Legierungen, Eisen-Nickel-Legierungen, Eisen-Nickel-Kobalt-Legierungen, KOVAR, Stahl, rostfreier Stahl, Edelstahl, Aluminium, einer Aluminiumlegierung, AlSIC, Magnesium, einer Magnesiumlegierung oder Titan oder einer Titanlegierung, wobei das Gehäuseteil (1) wenigstens eine Öffnung (3) als Teil der Durchführung aufweist, wobei die Öffnung (3) sich um eine Achse erstreckt und ein erster Bereich des Gehäuseteils die Öffnung umfasst und ein zweiter Bereich des Gehäuseteiles benachbart zur Öffnung ist und die Öffnung ein leitendes Material insbesondere einen Leiter (20) in einem Glas- oder Glaskeramikmaterial (22) aufnimmt. Die Erfindung ist dadurch gekennzeichnet, dass der erste Bereich des ...

SECONDARY MINIATURE BATTERY WITH METAL HOUSING AND METHOD FOR ITS MANUFACTURING

RECHARGEABLE BATTERY

Hybride Batteriekomponente und Verfahren zum Herstellen einer hybriden Batteriekomponente

Es wird eine Hybride Batteriekomponente (10) angegeben, aufweisend ein beidseitig offenes, mit einer Elektrolytlösung gefülltes Kunststoffgehäuse (12), einen in dem Kunststoffgehäuse (12) angeordneten Elektrodenstapel (24) mit mindestens einer Kathode (28) und mindestens einer Anode (26), und zwei Deckel (14, 16) aus einem metallischen Material, wobei ein erster Deckel (14) eine erste Öffnung (18) und ein zweiter Deckel (16) eine zweite Öffnung (20) des Kunststoffgehäuses (12) vollständig fluiddicht abdeckt, und wobei die mindestens eine Anode (26) über ein erstes Kontaktelement (30) mit dem ersten Deckel (14) und die mindestens eine Kathode (28) über ein zweites Kontaktelement (32) mit dem zweiten Deckel (16) elektrisch leitend verbunden ist. Des Weiteren wird ein Verfahren zur Herstellung einer hybriden Batteriekomponente (10) angegeben.

Rundzelle, Batteriemodul und Fahrzeug

Die erfindungsgemäß betrifft eine Rundzelle (1) mit einem Pluspol (+) und einem Minuspol (-), wobei der Pluspol (+) und der Minuspol (-) zumindest bereichsweise aus dem gleichen Material gefertigt sind. Die erfindungsgemäße Rundzelle ist dadurch gekennzeichnet, dass in Richtung eines Zelläußeren reichende Kontaktstellen des Pluspols (+) und des Minuspols (-) Aluminium oder eine Aluminiumlegierung umfassen.

ALUMINUM ALLOY SHEET FOR BATTERY LID USE FOR FORMING INTEGRATED EXPLOSION-PROOF VALVE AND METHOD OF PRODUCTION OF SAME

Aluminum alloy sheet for battery lid use having suitable strength and excellent in heat radiating ability, formability, and work softenability, which aluminum alloy sheet for battery lid use enabling formation of an integrated explosion-proof valve with little variation in operating pressure and excellent in cyclic fatigue resistance, and a method of production of the same are provided, the aluminum alloy sheet for battery lid use for forming an integrated explosion-proof valve having a component composition containing Fe: 1.05 to 1.50 mass %, Mn: 0.15 to 0.70 mass %, Ti: 0.002 to 0.15 mass %, and B: less than 0.05 mass %, having a balance of Al and impurities, having an Fe/Mn ratio restricted to 1.8 to 7.0, restricting, as impurities, Si to less than 0.40 mass %, Cu to less than 0.03 mass %, Mg to less than 0.05 mass %, and V to less than 0.03 mass %, having a tensile strength of 95 MPa or more, having a value of elongation of 40% or more, having a recrystallized structure, having a value of (TS95-TS90) of less than −4 MPa when defining a tensile strength after cold rolling by a rolling reduction of 90% as TS90 and defining a tensile strength after cold rolling by a rolling reduction of 95% as TS95, and having a value of elongation after cold rolling by a rolling reduction of 90% of 5.0% or more. Furthermore, an average grain size of the recrystallized grains of the recrystallized structure is preferably 15 to 30 1. Aluminum alloy sheet for battery lid use for forming an integrated explosion-proof valve having a component composition containing Fe: 1.05 to 1.50 mass % , Mn: 0.15 to 0.70 mass % , Ti: 0.002 to 0.15 mass % , and B: less than 0.05 mass % , having a balance of Al and impurities , having an Fe/Mn ratio restricted to 1.8 to 7.0 , restricting , as impurities , Si to less than 0.40 mass % , Cu to less than 0.03 mass % , Mg to less than 0.05 mass % , and V to less than 0.03 mass % , having a tensile strength of 95 MPa or more , having a value of elongation ...

Miniature Electrochemical Cell Having A Casing Of A Conductive Plate Closing An Open-Ended Ceramic Container Having A Via Hole Supporting An Electrically Conductive Pathway

A miniature electrochemical cell having a volume of less than 0.5 cc is described. The cell casing comprises an open-ended ceramic container having a via hole providing an electrically conductive pathway extending through the container. A metal lid closes the open-end of the container. An electrode assembly housed inside the casing comprises an anode current collector deposited on an inner surface of the ceramic container in contact with the electrically conductive pathway in the via hole. An anode active material contacts the current collector and a cathode active material contacts the metal lid. A separator is disposed between the anode and cathode active materials. That way, the electrically conductive pathway serves as a negative terminal, and the lid, electrically isolated from the conductive pathway by the ceramic container, serves as a positive terminal. The negative and positive terminals are configured for electrical connection to a load.

ENERGY STORAGE DEVICE

An energy storage device, includes a substrate having a portion that is optically transparent in a predefined range of wavelengths, and at least one electrochemical energy storage system comprising, as from a face of the transparent portion, a stack having successively a first current collector, a first electrode, an electrolyte, a second electrode and a second current collector, the stack being covered partially by a cover characterised in that wherein at least one part of the cover has a coefficient of light absorbance greater than or equal to 80 %, and preferably greater than 90 %.

SECONDARY BATTERY

The present disclosure relates to a secondary battery capable of facilitating welding with an external device. As an example, disclosed is a secondary battery comprising: a cylindrical case; an electrode assembly accommodated in the cylindrical case; and a cap assembly sealing the cylindrical case and including a cap-up electrically connected to a positive electrode of the electrode assembly, a terminal plate coupled to an upper portion of the cap-up and electrically connected to a negative electrode of the electrode assembly, and a first insulating gasket interposed between the cap-up and the terminal plate.

TRACTION BATTERY SECURING ASSEMBLY AND METHOD

A battery pack assembly includes, among other things, a tray, a lid secured to the tray to provide an enclosure having an interior, at least one battery module disposed within the interior, a cross-member disposed within the interior adjacent to the at least one battery module, and a stanchion secured to the cross-member. The stanchion disposed entirely within the interior. The assembly further includes a fastener that extends through an opening in the lid to engage the stanchion.

COMPONENT AND METHOD FOR PRODUCING A COMPONENT

The aim of the invention is to provide a component, preferably a component for a vehicle, which is as stable as possible and which has an optimized electromagnetic compatibility. This is achieved by providing a component comprising a base element, which comprises or is made of at least one composite element, and a shielding element for electrically and/or electromagnetically shielding the component, wherein the shielding element comprises or is made of one or more foils, for example one or more metal foils, and is connected to the base element.

Aluminum alloy sheet for battery lid for forming integrated explosion prevention valve, and method for producing same

Provided are: an aluminum alloy sheet for a battery lid that has suitable strength, excellent deformation resistance and moldability, and little variation in operating pressure and that makes it possible to form an integrated explosion prevention valve having excellent cyclic fatigue resistance properties; and a method for producing the aluminum alloy sheet for a battery lid. The aluminum alloy sheet for a battery lid for forming an integrated explosion prevention valve is characterized by having a component composition that includes 0.85-1.50 mass% of Fe, 0.30-0.70 mass% of Mn, 0.002-0.15 mass% of Ti, less than 0.05 mass% of B, and a remainder of Al and impurities, in which the Fe/Mn ratio is controlled so as to be 1.8-3.5, and in which Si, Cu, Mg, and V present as impurities are controlled such that Si is less 0.40 mass%, Cu is less than 0.03 mass%, Mg is less than 0.05 mass%, and V is less than 0.03 mass%. The aluminum alloy sheet for a battery lid for forming an integrated explosion ...

Batteriemodul

The invention relates to a battery module comprising a housing element (2) made of a metal material (3) and a cover element (4) made of a metal material (5), which elements are connected to one another by means of a plurality of screw connections (8), so as to form a common interior (6) designed to receive a plurality of battery cells (7), in such a way that an electrical contact is formed between the housing element (2) and the cover element (4), wherein a sealing element (9) is also arranged between the housing element (2) and the cover element (4) in such a way that the interior (6) is sealed off in a fluid-tight manner from an environment (10), wherein the plurality of screw connections (8) is arranged outside of the sealing element (9).

Aluminum alloy plate for battery lid for use in molding of integral explosion-proof valve, and method for producing same

Provided are: an aluminum alloy plate for a battery lid, which has proper strength and has excellent heat-dissipating properties, moldability and properties to be softened upon processing, and which enables the molding of an integral explosion-proof valve showing small variations in operating pressure and having excellent repeated fatigue resistance properties; and a method for producing the aluminum alloy plate. An aluminum alloy plate for a battery lid for use in the molding of an integral explosion-proof valve, the aluminum alloy plate being characterized by having a component composition comprising 1.05 to 1.50% by mass of Fe, 0.15 to 0.70% by mass of Mn, 0.002 to 0.15% by mass of Ti, less than 0.05% by mass of B and a remainder made up by Al and impurities, wherein the Fe/Mn ratio is adjusted to 1.8 to 7.0, the contents of Si, Cu, Mg and V that are contained as impurities are adjusted to less than 0.40% by mass, less than 0.03% by mass, less than 0.05% by mass and less than 0.03% by ...

Durchführung

Die Erfindung betrifft eine Durchführung (1) durch ein Gehäusebauteil (2), bevorzugt ein ringförmiges Gehäusebauteil, mit einer Durchgangsöffnung (5), einer elektrischen Speichereinrichtung, bevorzugt einer Batterie oder eines Kondensators, mit wenigstens einem Leiter (10), insbesondere einen Metallstift, bevorzugt einen Kontaktpin, insbesondere bevorzugt ein kappenförmiges Element, der mittels eines anorganischen Materials, insbesondere Glas- oder Glaskeramikmaterials (20) in der Durchgangsöffnung (5) vom Gehäusebauteil isoliert, bevorzugt elektrisch isoliert ist.Die Erfindung ist dadurch gekennzeichnet, dass wenigstens eine Oberfläche einer Teilfläche des Gehäusebauteils (50) von dem anorganischen Material, insbesondere dem Glas- oder Glaskeramikmaterial (52), überdeckt ist.

SECONDARY BATTERY

Aluminum alloy sheet for battery lid for forming integrated explosion prevention valve, and method for producing same

Provided are: an aluminum alloy sheet for a battery lid that has excellent deformation resistance, moldability, and heat dissipation properties and that makes it possible to form an integrated explosion prevention valve having little variation in operating pressure and excellent cyclic fatigue resistance properties; and a method for producing the aluminum alloy sheet for a battery lid. The aluminum alloy sheet for a battery lid for forming an integrated explosion prevention valve is characterized by having a component composition that includes 0.85-1.50 mass% of Fe, 0.30-0.70 mass% of Mn, 0.002-0.15 mass% of Ti, less than 0.05 mass% of B, and a remainder of Al and impurities, in which the Fe/Mn ratio is controlled so as to be 1.8-3.5, and in which Si, Cu, Mg, and V present as impurities are controlled such that Si is less 0.40 mass%, Cu is less than 0.03 mass%, Mg is less than 0.05 mass%, and V is less than 0.03 mass%. The aluminum alloy sheet for a battery lid for forming an integrated ...

ELECTROCHEMICAL CELL

An electrochemical cell includes an all-solid-state electrode body in which a positive electrode layer and a negative electrode layer are laminated together through a solid electrolyte and an exterior body having a cavity in which the electrode body is stored. The exterior body has a first case and a second case which sandwich the electrode body and a sealing member that defines the cavity together with the first case and the second case by joining the first case and the second. The thermal expansion coefficients of the electrode body, the first case, the second case, and the sealing member are all 10×10−6/° C. or lower.

ALUMINUM COVER PLATE OF BATTERY

The present application discloses an improved aluminum cover plate of a battery, including a cover plate, a metal sheet and an electrode column. The electrode column penetrates and is arranged in rivet holes of the cover plate and the metal sheet, and is riveted with the metal sheet. A first sealing ring is arranged between a cap portion and a nail portion of the electrode column and the cover plate. A second sealing ring is arranged on an outer periphery of the nail portion of the electrode column, and the second sealing ring is clamped and arranged between the cover plate and the metal sheet. The first sealing ring and the second sealing ring are arranged separately. 1. An improved aluminum cover plate of a battery , comprising a cover plate , a metal sheet and an electrode column , wherein the electrode column penetrates and is arranged in rivet holes of the cover plate and the metal sheet , and is riveted with the metal sheet; a first sealing ring is arranged between a cap portion and a nail portion of the electrode column and the cover plate; whereina second sealing ring is arranged at an outer periphery of the nail portion of the electrode column, and the second sealing ring is clamped and arranged between the cover plate and the metal sheet; the first sealing ring and the second sealing ring are arranged separately.2. The improved aluminum cover plate of the battery according to claim 1 , further comprising a stop frame claim 1 , wherein a through hole is formed in an insulating based plate of the stop frame claim 1 , the insulating based plate is clamped and arranged between the cover plate and the metal sheet claim 1 , and the second sealing ring is arranged in the through hole.3. The improved aluminum cover plate of the battery according to claim 1 , wherein the rivet hole of the metal sheet is a stepped hole claim 1 , and an end of the second sealing ring is arranged in the stepped hole.4. The improved aluminum cover plate of the battery according to ...

MINIATURE ELECTROCHEMICAL CELL HAVING A CASING OF A CONDUCTIVE PLATE CLOSING AN OPEN-ENDED CERAMIC CONTAINER HAVING A VIA HOLE SUPPORTING A PLATINUM-CONTAINING CONDUCTIVE PATHWAY

A miniature electrochemical cell having a volume of less than 0.5 cc is described. The cell casing comprises an open-ended ceramic container having a via hole providing an electrically conductive pathway extending through the container. A metal lid closes the open-end of the container. An electrode assembly housed inside the casing comprises an anode current collector deposited on an inner surface of the ceramic container in contact with the electrically conductive pathway in the via hole. An anode active material contacts the current collector and a cathode active material contacts the metal lid. A separator is disposed between the anode and cathode active materials. That way, the electrically conductive pathway serves as a negative terminal, and the lid, electrically isolated from the conductive pathway by the ceramic container, serves as a positive terminal. The negative and positive terminals are configured for electrical connection to a load.

Elektrische Einrichtung

Elektrische Einrichtung, insbesondere elektrische Speichereinrichtung oder Sensorgehäuse, bevorzugt Batterie insbesondere Mikrobatterie oder Kondensator mit einer Durchführung, insbesondere durch ein Gehäuseteil (1) eines Gehäuses der Einrichtung aus einem Metall, insbesondere Eisen, Eisen-Legierungen, Eisen-Nickel-Legierungen, Eisen-Nickel-Kobalt-Legierungen, KOVAR, Stahl, rostfreier Stahl, Edelstahl, Aluminium, einer Aluminiumlegierung, AISIC, Magnesium, einer Magnesiumlegierung oder Titan oder einer Titanlegierung, wobei das Gehäuseteil (1) wenigstens eine Öffnung (3) als Teil der Durchführung aufweist, wobei die Öffnung (3) sich um eine Achse erstreckt und ein erster Bereich des Gehäuseteils die Öffnung umfasst und ein zweiter Bereich des Gehäuseteiles benachbart zur Öffnung ist und die Öffnung ein leitendes Material insbesondere einen Leiter (20) in einem Glas- oder Glaskeramikmaterial (22) aufnimmt, dadurch gekennzeichnet, dass der erste Bereich des Gehäuseteils eine Weite W im wesentlichen ...

BATTERY MANUFACTURING METHOD AND BATTERY

A battery manufacturing method and a battery are provided. The battery manufacturing method includes: providing a first housing (10), wherein the first housing (10) includes an intermediate part and a first flange (11), and a first positioning part (111) is formed on the first flange (11); providing a second housing (20), wherein the second housing (20) includes a bottom wall and a side wall, the side wall extends upward from the bottom wall, the side wall encloses to form an opening, the side wall extends outward from the opening to form a second flange (21), a second positioning part (211) is formed on the second flange (21), the intermediate part covers the opening, and the second flange (21) is in contact with the first flange (11); positioning and aligning the first housing (10) and the second housing (20) through the first positioning part (111) and the second positioning part (211); and welding the first flange (11) and the second flange (21).

SECONDARY BATTERY

CYLINDRICAL SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME

Provided is a cylindrical secondary battery. The cylindrical secondary battery includes a cylindrical can, an electrode assembly in which a first electrode plate, a second electrode plate, and a separator are wound and which is accommodated in the can, and a cap assembly which is insulated from the can and electrically connected to the electrode assembly and through which a degassing hole passes to communicate with the inside of the can. According to the embodiment, since a degassing function is applied to remove the gas generated before the product shipment, deformation of the can and the cap assembly may be reduced. In addition, swelling of the electrode assembly due to the generation of the internal gas may be prevented from occurring to reduce performance deterioration of the secondary battery.

FUSED BUTTON BATTERY

SECONDARY BATTERY, BATTERY PACK, AND AUTOMOBILE

A secondary battery includes an electrode assembly having a first electrode tab and a second electrode tab, a battery can electrically connected to the second electrode tab and having an opening portion accommodating the electrode assembly, a top cap covering the opening portion of the battery can and electrically connected to the first electrode tab, a conductive washer electrically connected to the battery can and adjoining a peripheral portion of the opening portion, and an insulative member provided between the top cap and the battery can and the conductive washer electrically connected to the battery can, the insulative member being configured to electrically insulate the top cap and at least one of the battery can and the conductive washer. The top cap includes first and second surfaces facing each other, the second surface having a protruding portion exposed through a hole formed in a central portion of the conductive washer.

Energy storage device

An energy storage device includes a substrate having a portion that is optically transparent in a predefined range of wavelengths, and at least one electrochemical energy storage system comprising, as from a face of the transparent portion, a stack having successively a first current collector, a first electrode, an electrolyte, a second electrode and a second current collector, the stack being covered partially by a cover characterised in that wherein at least one part of the cover has a coefficient of light absorbance greater than or equal to 80%, and preferably greater than 90%.

ALUMINUM ALLOY SHEET FOR BATTERY LID USE FOR FORMING INTEGRATED EXPLOSION-PROOF VALVE AND METHOD OF PRODUCTION OF SAME

Aluminum alloy sheet for battery lid use excellent in deformation resistance, formability, and heat radiation ability, which aluminum alloy sheet for battery lid use enabling formation of an integrated explosion-proof valve with little variation in operating pressure and excellent in cyclic fatigue resistance, and a method of production of the same are provided, the aluminum alloy sheet for battery lid use for forming an integrated explosion-proof valve having a component composition containing Fe: 0.85 to 1.50 mass %, Mn: 0.30 to 0.70 mass %, Ti: 0.002 to 0.15 mass %, and B: less than 0.05 mass %, having a balance of Al and impurities, having an Fe/Mn ratio restricted to 1.8 to 3.5, restricting, as impurities, Si to less than 0.40 mass %, Cu to less than 0.03 mass %, Mg to less than 0.05 mass %, and V to less than 0.03 mass %, having a 0.2% yield strength of 40 MPa or more, having a value of elongation of 40% or more, having a conductivity of 53.0% IACS or more, having a recrystallized structure, and having a value of elongation after cold rolling by a rolling reduction of 80% of 6.5% or more. Furthermore, an average grain size of the recrystallized grains of the recrystallized structure is preferably 15 to 25 μm. 1. Aluminum alloy sheet for battery lid use for forming an integrated explosion-proof valve having a component composition containing Fe: 0.85 to 1.50 mass % , Mn: 0.30 to 0.70 mass % , Ti: 0.002 to 0.08 mass % , and B: less than 0.05 mass % , having a balance of Al and impurities , having an Fe/Mn ratio restricted to 1.8 to 3.5 , restricting , as impurities , Si to less than 0.40 mass % , Cu to less than 0.03 mass % , Mg to less than 0.05 mass % , and V to less than 0.03 mass % , having a 0.2% yield strength of 40 MPa or more , having a value of elongation of 40% or more , having a conductivity of 53.0% IACS or more , having a recrystallized structure , and having a value of elongation after cold rolling by a rolling reduction of 80% of 6.5% or more.2. ...

BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRIC VEHICLE

A battery (100), a battery module, a battery pack (200), and an electric vehicle are provided. The battery (100) includes a metal housing (11), a packaging member, and multiple electrode core assemblies (12). The packaging member includes two packaging portions (13) that are arranged opposite to each other. The packaging member has an internal space. The two packaging portions (13) are joined at a predetermined position to divide the internal space of the packaging member into multiple sealed accommodating cavities. At least one sealed accommodating cavity is provided with the electrode core assembly (12). The metal housing (11) is sleeved outside the packaging member.

BATTERY CELL CASE AND BATTERY MANUFACTURING METHOD USING SAME

... [Problem] To provide a battery cell case with a novel configuration in which the periphery of an opening in a surface which serves as an outer surface of a case lid having the opening is not resin laminated. [Solution] A battery cell case in which a case body and a case lid are joined by seaming or welding, wherein: the case body is made of a resin laminated steel sheet on a surface which serves as the inner surface of the case body; the resin laminate is made of a film of which a polyolefinic resin is the main ingredient; the case lid is made of a metal sheet; the case lid has an opening for releasing a gas generated by electrolyte injection or preliminary charging; and a range of at least 2 mm from the periphery of the opening in the surface which serves as the outer surface of the lid case is not resin laminated.

A BUTTON BATTERY WITH IMPROVED SEALING PROPERTIES

According to the invention, a button battery (1',1") is provided that includes a sealing assembly, comprising one of the terminals (9) of the battery, an electrically insulating portion (17) and a circumferential wall portion (15). The insulating portion (17) forms a hermetic bond with the terminal (9) and with the wall portion (15), obtainable by methods applied in glass-to-metal type technology. The sealing assembly is receptacle-shaped and one or more components of the battery such as the anode (8), the separator sheet (7) and the cathode (3) may be inserted in said receptacle shape prior to assembling the battery. The wall portion (15) forms a part of the second terminal and is attached to the remainder of said second terminal by an electrically conductive and hermetically closed connection such as a circumferential weld seam (16). A battery according to the invention may be produced by inserting one or more components of the battery into the sealing assembly (9,17,15) and attaching ...

BATTERY PACKAGE AND BATTERY MODULE

A wiring conductor includes a first electrode located on a bottom surface of a recessed portion, a second electrode located on a first surface between a frame portion and the recessed portion, a first external electrode located on a second surface, and a second external electrode located on the second surface and electrically connected to the second electrode. A conductive sheet is electrically connected to the second electrode and extends over an opening of the recessed portion above the first surface.

COVER STRUCTURE AND SMC MOLD, AND METHOD FOR PRODUCING SUCH A COVER STRUCTURE

The invention relates to a cover structure, an SMC mold as well as a method for producing a cover structure having an SMC main body which is pressed together with a flame retardant coating in an SMC mold.

SEALING BODY AND BATTERY

A battery includes: a case including a cylindrical part, a bottom part that closes one end part of the cylindrical part, and an opening edge part continuous with the other end part of the cylindrical part; an electrode assembly housed in the cylindrical part; and a sealing body fixed to the opening edge so as to seal an opening of the opening edge part, in which the sealing body including a sealing plate made of a first metal and a terminal member made of a second metal different from the first metal and held by the sealing plate is used. The sealing plate includes a fixing part to which the terminal member is fixed, a peripheral edge part in an annular shape located at a peripheral edge, and a thin part formed between the fixing part and the peripheral edge part. The fixing part includes a protrusion part protruding from an outer surface of the sealing plate, and the protrusion part is bent inward such that a part of the terminal member is sandwiched between the fixing part and the protrusion ...

HOUSING, BATTERY, AND ELECTRONIC DEVICE

A housing is configured to accommodate an electrode core. The housing includes a peripheral wall and a first cover plate. The peripheral wall includes a first opening. An edge portion is disposed on a periphery of the first cover plate, and the edge portion is configured to melt to form a melted edge around the periphery of the first cover plate. The first cover plate is configured to be bonded with the peripheral wall through the melted edge to close the first opening.

ALUMINUM ALLOY SHEET FOR BATTERY LID USE FOR FORMING INTEGRATED EXPLOSION-PROOF VALVE AND METHOD OF PRODUCTION OF SAME

Aluminum alloy sheet for battery lid use excellent in heat radiation ability, formability, and work softenability, which aluminum alloy sheet for battery lid use enabling formation of an integrated explosion-proof valve with little variation in operating pressure and excellent in cyclic fatigue resistance, and a method of production of the same are provided, the aluminum alloy sheet for battery lid use for forming an integrated explosion-proof valve having a component composition containing Fe: 1.05 to 1.50 mass %, Mn: 0.15 to 0.70 mass %, Ti: 0.002 to 0.15 mass %, and B: less than 0.03 mass %, having a balance of Al and impurities, having an Fe/Mn ratio restricted to 1.8 to 7.0, restricting, as impurities, Si to less than 0.40 mass %, Cu to less than 0.03 mass %, Mg to less than 0.05 mass %, and V to less than 0.03 mass %, having a conductivity of 53.0% IACS or more, having a value of elongation of 40% or more, having a recrystallized structure, having a value of (TS95-TS70) of less than ...

BATTERY CELL DESIGN WITH A NON-INVASIVE LITHIUM REFERENCE LEAD

A battery cell providing a non-invasive reference lead includes a cap positioned at a top of the battery cell, where the cap includes an anode section and a cathode section separated by an insulator section. The battery cell also includes a jelly roll comprising an anode lead and a cathode lead extending from a top of the jelly roll. The anode lead of the jelly roll is electrically coupled to the anode section of the cap, and the cathode lead of the jelly roll is electrically coupled to the cathode section of the cap. The battery cell further includes a lithium sleeve providing a reference lead for the battery cell. The lithium sleeve and the cap enclose the jelly roll.

COVER PLATE ASSEMBLY, BATTERY, BATTERY MODULE, POWER BATTERY PACK AND ELECTRIC VEHICLE

A cover plate assembly, a battery, a battery module, a power battery pack, and an electric vehicle are disclosed. The cover plate assembly includes a cover plate body (), a first electrode terminal (), a second electrode terminal, and a resistive coating (). The second electrode terminal is insulatively connected with the cover plate body (). The first electrode terminal () is electrically connected with the cover plate body () by the resistive coating (). The resistive coating () includes a weak portion (). When a current flowing through the resistive coating () is greater than a predetermined threshold, the weak portion () is melted to disconnect the cover plate body () from the first electrode terminal (). 113.-. (canceled)14. A cover plate assembly of a battery , the cover plate assembly comprising: a cover plate body , an electrode terminal , and a resistive coating , wherein the electrode terminal is electrically connected with the cover plate body by the resistive coating; the resistive coating comprises a first section electrically coupled to the electrode terminal , a second section electrically coupled to the cover plate body , and a third section connected between the first section and the second section; and the third section has a width less than widths of the first section and the second section.15. The cover plate assembly according to claim 14 , wherein the cover plate body includes a mounting hole; the electrode terminal is extended through the cover plate body via the mounting hole; and the cover plate body and the electrode terminal are spaced apart from each other at the mounting hole.16. The cover plate assembly according to claim 15 , further comprising a first insulating member sleeved on a pole portion of the electrode terminal outside of the cover plate body claim 15 , wherein the resistive coating is disposed on the first insulating member.17. The cover plate assembly according to claim 16 , wherein the electrode terminal comprises the pole ...

BATTERY PACKAGE, AND BATTERY MODULE

A wiring conductor (130) includes a first electrode (131) located on a bottom surface of a recessed portion 113, a second electrode (132) located on a first surface (111) between a frame portion (120) and the recessed portion (113), a first external electrode (134A) located on a second surface (112), and a second external electrode (134B) located on the second surface (112) and electrically connected to the second electrode (132). A conductive sheet (140) is electrically connected to the second electrode (132) and extends over an opening of the recessed portion (113) above the first surface (111).

MINIATURE ELECTRICAL POWER SOURCE HOUSED IN A CASING HAVING AN INTERMEDIATE CERAMIC RING DIFFUSION BONDED TO OPPOSED TITANIUM MEMBERS

An electrical power source comprises a casing made by diffusion bonding an intermediate ceramic ring to a titanium base plate and a titanium top ring. An anode housed in the resulting open-ended container is electrically connected to the base plate. A separator is positioned on the anode. Separately, a cathode is electrically connected to a titanium lid. The lid fitted on the titanium top ring opposite the intermediate ceramic ring is welded to the top ring to close the casing. An electrolyte filled into the casing through a fill port in the lid activates the anode/cathode assembly. The fill port is then hermetically sealed. Gold pads are individually contacted to the base plate and the lid, which serve as opposite polarity terminals for the power source.

Plate material conveying system

To provide a plate material conveying system configured to load plate materials produced by a press work onto a tray at regular intervals, prior to a cleaning process. The plate material conveying system comprises: a feeding section 13 that feeds the plate materials produced by the press work at regular intervals; a storage section 14 that stores the plate materials conveyed sequentially from the feeding section 13; a loading section 15 that loads the plate materials stored in the storage section 14 on the tray opposing thereto at one time; and a discharging section 16 that conveys the tray from a site to be opposed to the storage section 14 to a predetermined site.

BATTERY CELL HAVING A CLICK SPRING AREA INTEGRATED INTO THE HOUSING COER PLATE

A battery (e.g., lithium-ion) cell having fewer components than conventional cells. A metallic housing, having a winding element, two current collectors, and an electrolyte, is closed off in a gas- and pressure-tight manner with a cover assembly having a cover plate by which a housing opening is largely closed off. A click spring area (formable in this plate) has a smaller thickness than surrounding areas of the plate, and can snap from a first state, in which the click spring area is bent inwardly into the housing, into a second state in which the click spring area is bent outwardly from the housing when a threshold internal pressure in the housing is exceeded, and establishes an electrical connection between the plate and a current collector. When there is a pressure rise in the housing due to temperature, for example, the battery cell may be deactivated in a targeted manner.

ANGULAR BATTERY

The present disclosure provides an angular battery with enhanced protection of an electrode body. The present disclosure provides an angular battery including an electrode body and a battery case that accommodates the electrode body. The battery case is configured of a substantially U-shaped case body that has a rectangular bottom surface and a pair of long side surfaces provided integrally with the bottom surface and facing each other, and a substantially U-shaped lid body having an upper lid facing the bottom surface and a pair of short side surfaces provided integrally with the upper lid and facing each other. The electrode body is attached to the lid body. In the angular battery, the case body and the lid are joined to each other to form a state in which the electrode body is accommodated inside the battery case.

ELECTRICAL DEVICE, IN PARTICULAR MICROBATTERY, AND METHOD FOR THE PRODUCTION

BUTTON BATTERY SHELL AND BUTTON BATTERY

A button battery shell includes a positive electrode metal end cover and a negative electrode metal end cover. The positive electrode metal end cover includes a first bottom cover and a first surrounding wall arranged around one side of the first bottom cover. The negative electrode metal end cover includes a second bottom cover and a second surrounding wall provided around one side of the second bottom cover. The positive electrode metal end cover and the negative electrode metal end cover are arranged opposite to each other. First insulating sleeve are arranged on the first surrounding wall. Second insulating sleeves are arranged on the second surrounding wall. The two insulating sleeves are connected at a connection surface to form an insulating shell having an integrated structure. The insulating shell, the positive electrode metal end cover, and the negative electrode metal end cover form an accommodating cavity.

CAP ASSEMBLY FOR SECONDARY BATTERY, SECONDARY BATTERY AND BATTERY MODULE

The present disclosure provides a cap assembly for a secondary battery, a secondary battery and a battery module. The cap assembly for the secondary battery includes a cap plate, a first electrode terminal, and a sealing member, wherein: the cap plate has an electrode lead-out hole; the first electrode terminal includes a first terminal board and a second terminal board connected with the first terminal board, wherein the first terminal board is located at a side of the second terminal board away from the cap plate, the second terminal board covers the electrode lead-out hole, and the material of the first terminal board and the material of the second terminal board have different base metals; the sealing member surrounds the electrode lead-out hole and is disposed between the cap plate and the first electrode terminal to seal the electrode lead-out hole.

COVER ASSEMBLY, METHOD OF PROCESSING THE SAME, AND BATTERY

The present application relates to a cover assembly, and a method of processing the cover assembly, and a battery. The cover assembly is configured to cover on a housing, provided with an accommodating cavity, of a battery. The cover assembly includes a top cover, an insulating piece, and an anode piece. The top cover is configured to cover the accommodating cavity, the top cover includes a first connection layer having a molecular structure different from other portions thereof, the anode piece includes a second connection layer having a molecular structure different from other portions thereof, the insulating piece is stacked between the first connection layer and the second connection layer, and the insulating piece is connected to the first connection layer and the second connection layer by hot-melting.

METHODS, SYSTEMS, AND DEVICES FOR APPLYING FORCES TO ELECTROCHEMICAL DEVICES

Methods, systems, and devices for applying forces to electrochemical devices are generally described. In some cases, the methods include applying a force to an electrochemical device via a solid surface that, in the absence of an applied force, has at least a portion that is convex with respect to a side of the electrochemical device. Certain embodiments are related to systems and devices for applying a force to an electrochemical cell, with some of the systems and devices employing, for example, solid articles with certain shapes (e.g., convex shapes in the absence of an applied force) and/or inventive couplings. 1. A method , comprising:applying a force to a side of an electrochemical device via a solid surface, wherein at least a portion of the solid surface is convex with respect to the side of the electrochemical device in the absence of an applied force, and wherein the applying causes the solid surface to deform such that the solid surface becomes less convex.2. A method , comprising: the applying is performed via a coupling comprising a surface portion in contact with an exterior surface opposite the solid surface, and', 'the deforming causes relative rotational motion between a contour of the exterior surface and a contour of the surface portion of the coupling that interfaces with the contour of the exterior surface., 'applying a force to a solid article that is proximate to an electrochemical device such that a solid surface of the solid article is deformed, wherein3. A method , comprising:applying a force to a first solid article that is proximate to an electrochemical device such that a solid surface of the first solid article is deformed, a surface portion in contact with an exterior surface opposite the solid surface; and', 'a fastener interfacing with the surface portion of the coupling;, 'wherein the applying is performed via a coupling, the coupling comprisingwherein a contour of the exterior surface interfaces with a contour of the surface portion ...

BATTERY MANUFACTURING METHOD AND BATTERY

A battery manufacturing method and a battery are provided. The battery manufacturing method includes: providing a first housing (10), including a bottom wall and a side wall, wherein the side wall extends upward from the bottom wall, the side wall encloses to form an opening, the side wall extends outward from the opening to form a first flange (11), and a first reinforcing part (111) is formed on the first flange (11); providing a second housing (20), wherein the second housing (20) includes an intermediate part and a second flange (21), the intermediate part covers the opening, and the second flange (21) is in contact with the first flange (11); and welding the first flange (11) and the second flange (21).

CAP PLATE WELDING ASSEMBLY FOR ELECTRIC VEHICLE SECONDARY BATTERY

Provided is a cap plate welding assembly for an electric vehicle secondary battery, the cap plate welding assembly including: an anode part cap plate provided with first horizontal planes formed long in left and right directions on a front surface and a rear surface thereof, respectively, and first vertical planes perpendicular to the first horizontal planes and formed in front and rear directions on a left side surface and a right side surface thereof, respectively; and a cathode part cap plate provided with second horizontal planes formed long in the left and right directions on a front surface and a rear surface thereof, respectively, and second vertical planes formed in the front and rear directions on a left side surface and a right side surface thereof, respectively.

BATTERY AND BATTERY PACK

According to an embodiment, a battery is provided. The battery includes a first lead clamping a current-collecting tab wound into multiple layers. The first lead includes: a joint plate portion electrically connected to the second lead; and a cover plate portion opposing the joint plate portion with the current-collecting tab wound into multiple layers interposed therebetween. The cover plate portion includes a first plate portion and a second plate portion extending continuously from the first plate portion. The second plate portion includes a protrusion protruding relative to the first plate portion along a direction in which the second lead extends. The protrusion is curved toward at least one end of the wound electrode group.

ELECTRICAL DEVICE, IN PARTICULAR MICROBATTERY, AND METHOD FOR THE PRODUCTION

An electrical device includes: a housing part made of a metal and including a feedthrough therethrough, an opening of the feedthrough, a first region, and a second region, the opening receiving a conductive material or a conductor in a glass material or a glass-ceramic material, wherein: (i) the conductive material has a first coefficient of expansion α1, the glass material or the glass-ceramic material has a second coefficient of expansion α2, and the housing part has a third coefficient of expansion α3, the third coefficient of expansion α3being always greater than the second coefficient of expansion α2; or (ii) the first region including a width W that is substantially perpendicular to the axis of the at least one opening, the width W of the first region being always greater than a thickness D2and a thickness DEof the second region; or (iii) a combination of (i) and (ii).

SYSTEM AND METHOD FOR REDUCING ELECTRICAL INTERFERENCE OF A BATTERY CELL

The disclosed technology relates to a battery utilizing an indicator to orient an unopposed portion of a cathode or anode with respect to a battery can, and a tag to generate an electromagnetic field to mitigate or eliminate an electromagnetic field generated by the unopposed portion of the cathode or anode. The battery includes a wound set of layers including a cathode, an anode, and a separator; a can housing the wound set of layers; a lid disposed atop of the can to enclose the wound set of layers within the can; and a tag coupled to the lid. An unopposed portion of the cathode or anode generates a first electromagnetic field. The tag generates a second electromagnetic field to oppose the first electromagnetic field.

Housing Cover for a Battery Housing With Particle Protection and Heat Protection, Battery Housing, Traction Battery and Motor Vehicle

A housing cover is provided for placement on a housing lower part of a battery housing of a traction battery of an electrically driveable motor vehicle. The housing cover includes a cover layer for closing off a housing interior of the battery housing accommodating at least one battery cell, and a protection layer overlapping at least in part with the cover layer to withstand a thermal load caused by a supply of heat to the housing cover in the event of an emergency gassing of the at least one battery cell. The protection layer is mechanically connected in connection regions to the cover layer and is arranged in protection regions at a distance from the cover layer, thus forming a gap intended to increase a thermal transfer resistance between the protection layer and the cover layer.

SECONDARY BATTERY

A secondary battery includes a battery device (100), a first containing member (110), and a second containing member (120). The first containing member (110) has a handleless mug-shaped structure having a first bottom part (111), a first sidewall part (112), and a first opening (110K). The first containing member (110) contains the battery device (100). The second containing member (120) has a handleless mug-shaped structure having a second bottom part (121), a second sidewall part (122), and a second opening (120K). The second containing member (120) is attached to the first containing member (110) in a state in which the second bottom part (121) is opposed to the first opening (110K) and the second sidewall part (122) is pressed against the first sidewall part (112) from an outer side. The second sidewall part (122) includes, in order from a side closer to the second bottom part (121), a first bent part (122B) that is bent toward an inner side and a second bent part (122C) that is bent ...

BATTERY AND MANUFACTURING METHOD FOR BATTERY

A battery and a manufacturing method for the same are provided. The battery includes a battery casing (10), a cell (20) and a connecting member (60), the battery casing (10) includes a casing member (12) and a cover plate (11). The casing member (12) and the cover plate (11) are connected to form an accommodation space. The cell (20) is arranged in the accommodation space of the battery casing (10). The casing member (12) is provided with a position-limiting portion (121) for limiting a position of the connecting member (60). The connecting member (60) is engaged with the position-limiting portion (121), and the casing member (12), the cover plate (11), and the connecting member (60) are welded. By setting a position-limiting portion (121) at a predetermined distance from the opening of the casing member (12), the position-limiting portion (121) is used to limit the position of the connecting member (60).

MINIATURE ELECTROCHEMICAL CELL HAVING A CASING OF A CONDUCTIVE PLATE CLOSING AN OPEN-ENDED CERAMIC CONTAINER HAVING TWO VIA HOLES SUPPORTING OPPOSITE POLARITY PLATINUM-CONTAINING CONDUCTIVE PATHWAYS

A miniature electrochemical cell having a volume of less than 0.5 cc is described. The cell casing comprises an open-ended ceramic container having first and second via holes providing respective first and second electrically conductive pathways extending through the container. A metal lid secured to the open-end of the container by a gold seal provides the cell casing. An electrode assembly housed inside the casing comprises a cathode active material deposited on an inner surface of the ceramic container in contact with a current collector in electrical continuity with one of the conductive pathways. A solid electrolyte, preferably of LiPON (LixPOyNz), is deposited on the cathode active material followed by an anode active material in contact with the other conductive pathway. The first and second conductive pathways can comprise platinum or gold. That way, the first and second conductive pathways serve as negative and positive terminals for the cell. The negative and positive terminals ...

Button cell comprising a coil electrode with a thermal fuse

A button cell closed without flanging includes a housing formed of two housing halves including a cell cup and a cell lid, an electrically insulating seal separating the cell cup and the cell lid, an electrode-separator assembly including at least one positive and at least one negative electrode arranged inside the housing, metal diverters electrically connecting the at least one positive and the at least one negative electrode to the housing halves, and a thermal fuse connected to or integrated into one of the diverters.

Crimped, prismatic battery structure

A battery housing is comprised of a unitary, seamless base member having a generally planar, quadrilateral bottom face with a side wall extending therefrom. The length dimension of the bottom face is at least twice the height of the side wall. The base member has an open top face. The housing includes a cover which closes the open top face and is engageable with the side wall of the base. An electrically resistive sealing gasket is configured to contact the cover member and the side wall so as to provide a fluid-tight seal. The components are mechanically interlocked by crimping or hemming. The housing is specifically configured to accommodate stacking of individual batteries into power assemblies, and the geometry of the housing optimizes thermal management. Further disclosed are batteries and battery assemblies including the housing.

Welding method of sealed secondary battery, sealed secondary battery, and cap body

A welding method of a sealed secondary battery provided with a casing configured to encase therein electrodes and an electrolyte, a cap body configured to cover the casing, and two terminals inserted into holes provided in the cap body, connected to a pair of electrodes, and formed of a material including composition different from a material of the lead includes crushing and spreading the distal end side of each of two terminals along a cap body, and carrying out continuous welding along a boundary line between a circumference of the distal end side of the terminal, and the cap body, and alternately and repetitively by way of a position on the terminal side of the boundary line regarded as a reference line, and a position on the cap body side of the boundary line.

Prismatic accumulator cell and accumulator pack

A prismatic accumulator cell ( 2 ) with a cuboid housing ( 4 ) and electrodes ( 10 ) arranged therein, wherein the electrodes ( 10 ) for the take-up and delivery of energy from the accumulator cell ( 2 ) are electrically connected to terminal connections ( 18 ), wherein the housing ( 4 ) is provided with a cover area ( 24 ) which accommodates the terminal connections ( 18 ) and at least one area provided with an insulating material cladding ( 26 ). The accumulator cell ( 2 ) is provided with at least one metal contact pin ( 28 ), which is electrically connected to one of the two electrodes ( 10 ), and is routed through the insulating material cladding ( 26 ).

TOP COVER ASSEMBLY, SECONDARY BATTERY, AND POWER CONSUMPTION APPARATUS

The present application provides a top cover assembly, a secondary battery and a power consumption apparatus. The top cover assembly includes a top cover plate, a pole, and a sealing ring. The top cover plate is provided with a mounting hole, and the mounting hole includes a sealing hole section. The pole is inserted into the mounting hole, the pole includes a sealing shaft section, the sealing shaft section is inserted into the sealing hole section, and a side wall of the sealing hole section and a side wall of the sealing shaft section are both tilted with respect to an axis of the mounting hole. And the sealing ring is disposed between the side wall of the sealing hole section and the side wall of the sealing shaft section. 1. A top cover assembly , comprising:a top cover plate, the top cover plate provided with a mounting hole, and the mounting hole comprising a sealing hole section;a pole, configured to insert into the mounting hole, the pole comprising a sealing shaft section, wherein the sealing shaft section is configured to insert into the sealing hole section, and a side wall of the sealing hole section and a side wall of the sealing shaft section are both tilted with respect to an axis of the mounting hole; anda sealing ring, disposed between the side wall of the sealing hole section and the side wall of the sealing shaft section.2. The top cover assembly according to claim 1 , wherein along a direction pointing from a bottom part to a top part of the top cover plate claim 1 , the side wall of the sealing hole section and the side wall of the sealing shaft section are both tilted in a direction close to the axis of the mounting hole.3. The top cover assembly according to claim 1 , wherein the side wall of the sealing hole section and the side wall of the sealing shaft section are tilted with respect to the axis of the mounting hole at an angle of 5° to 45°.4. The top cover assembly according to claim 1 , wherein along a thickness direction of the top ...

Monitoring sensor for sealed secondary battery, sealed secondary battery, and monitoring method for sealed secondary battery

A monitoring sensor for a sealed secondary battery 1 including a sealed outer casing 21 and an electrode group 22 including a polymer matrix layer 3 that is disposed in the inside accommodated in the inside of the sealed outer casing 21 , of the outer casing 21 and a detection unit 4 that is disposed on the outside of the outer casing 21 , wherein the polymer matrix layer 3 contains a filler that is dispersed therein and that changes an external field in accordance with deformation of the polymer matrix layer 3 , and the detection unit 4 detects change in the external field.

Sealed type battery

The battery is sealed by a sealing member including a safety valve for exhausting the gas generated in the battery to the outside of the battery when the pressure in the battery is increased. A part of the sealing member is formed of a member having a melting point lower than that of high-temperature gas generated in the abnormal time and having a ratio of an area of an opening of the battery case to an area of a gas exhaust hole is 3.0×10 −5 or more and 9.1×10 −3 or less.

Button battery and manufacturing method therefor

Disclosed are a button battery and a manufacturing method therefor, the button battery includes an upper cover plate, a pole, an insulating sleeve, a bottom shell, a battery winding core and a sealing ball. The upper cover plate is provided with a liquid injection hole and a stepped through hole with a small upper portion and a large lower portion; upper and lower ends of the pole are respectively a cylindrical portion and a head portion; the insulating sleeve is sheathed on the pole that penetrates through the stepped through hole, the head and cylindrical portions correspond to lower and upper end of the stepped through hole respectively; the battery winding core is arranged in an inner cavity formed by the upper cover plate and the bottom shell; and the sealing ball is arranged on the upper cover plate and seals the liquid injection hole.

Electrically Isolated Battery Can Assembly

A battery can assembly may include the use of insulating adhesive between the can and cover. Because the cover and can are electrically isolated from each other, the respective battery terminals may be directly coupled thereto, eliminating a feed-through to connect electrodes to positive and negative terminals. Such an assembly can eliminate the need for an electrically insulated feed-through. Additionally, welding between the cover and can, which in some cases may be difficult due to shape, size, and or restricted access, may also be eliminated. This can allow for significant simplification of the battery assembly process.

Button battery for improving utilization rate of radial space

The present disclosure includes a metal housing, a cell arranged in the metal housing, and a cover plate arranged on the metal housing. The cell includes a cathode and an anode. The cover plate and the metal housing have a same polarity and are integrated by laser welding to realize a more reliable sealing of the battery housing. A cap is arranged at and protruded from an outer side of the cover plate. An insulating member is arranged between the cover plate and the cap to prevent a short between the cover plate and the cap. One of the cathode and the anode is electrically connected to the metal housing, and another of the cathode and the anode is electrically connected to the cap.

Method of manufacturing prismatic type battery case

Provided are extruding a raw material into a prismatic hollow material having both open ends (Step (a)), drawing the hollow material a plurality of times so as to have a desired thickness (Step (b)), manufacturing a main body by cutting the drawn hollow material to a predetermined length (Step (c)), forming a sealing cover having a shape corresponding to an open end of the main body (Step (d)), and adhering the sealing cover to the open end of the main body (Step (e)).

Method for cold-forging thin-walled portion and explosion-proof valve

A method for cold-forging a thin-walled portion by which a thin-walled portion having a set thickness is formed directly from a metal base plate having a sufficiently large thickness and an explosion-proof valve are provided. Blade side surfaces of upper and lower dies for shearing the metal base plate are set in an overlapping manner with a predetermined clearance δ therebetween. Sheared surfaces are formed with the blade side surfaces of the upper and lower dies in the metal base plate along a processing direction while leaving the set thickness t2 therebetween and the metal base plate is compressed by the overlapped portions until work-hardened to form the thin-walled portion with the horizontal width δ and the set thickness t2 between the sheared surfaces. The formation of the sheared surfaces eliminates a need to press portions of the metal base plate positioned at both the sides of the thin-walled portion into both the sides during the processing of the thin-walled portion and the thin-walled portion can thus be formed at a high compression processing rate with a smaller processing load.

Secondary battery and assembling method thereof

A secondary battery including an electrode assembly; a case containing the electrode assembly; a cap plate sealing an opening of the case; a collector terminal electrically connected to the electrode assembly and protruding through the cap plate; a coupling plate on the cap plate; an insulating member on at least one area of the coupling plate; and a terminal plate on the coupling plate and coupled to the collector terminal.

Hybrid Battery Component and Method for Producing a Hybrid Battery Component

A hybrid battery component has a plastic housing filled with an electrolyte solution that is open on both sides. An electrode stack is arranged in the plastic housing and has at least one cathode and at least one anode. Two covers are provided made of a metallic material, wherein a first cover completely covers a first opening and a second cover completely covers a second opening of the plastic housing in a fluid-tight manner. The at least one anode is electrically conductively connected to the first cover by a first contact element and the at least one cathode is electrically conductively connected to the second cover by a second contact element. 19.-. (canceled)10. A hybrid battery component , comprising:a plastic housing which is open on both sides and filled with an electrolyte solution;an electrode stack arranged in the plastic housing having at least one cathode and at least one anode; andtwo covers made of a metallic material, whereina first cover completely covers a first opening, and a second cover completely covers a second opening of the plastic housing in a fluid-tight manner, andthe at least one anode is electrically conductively connected to the first cover by a first contact element, and the at least one cathode is electrically conductively connected to the second cover by a second contact element.11. The hybrid battery component according to claim 10 , whereina closable filling opening is provided in the plastic housing in order to permit filling of the housing with the electrolyte solution.12. The hybrid battery component according to claim 10 , whereinthe two covers are comprised of aluminum, wherein at least the cover which is arranged on the anode side, on at least one surface which engages in contact with the electrolyte solution, incorporates a protective layer.13. The hybrid battery component according to claim 10 , whereina cooling system is incorporated in the plastic housing.14. The hybrid battery component according to claim 10 , whereinat ...

Lithium-ion secondary-battery case and manufacturing method therefor

A lithium-ion secondary-battery case that allows bonding without weld spatter and has high strength against external force acting on the battery case, and a method for manufacturing the lithium-ion secondary-battery case are provided. Specifically, an austenitic stainless steel foil is used for a cup component ( 2 ), and a two-phase stainless steel having an austenite transformation start temperature A C1 in a temperature increase process at 650° C. to 950° C. and an austenite and ferrite two-phase temperature range of 880° C. and higher, is used for a cover component ( 3 ), and the diffusion bonding is proceeded while accompanied by grain boundary movement upon transformation of the two-phase steel from a ferrite phase into an austenite phase within a heating temperature range of 880° C. to 1080° C.

Secondary battery

A secondary battery includes improved insulation properties between an electrode group and a battery container against an external force can be improved without lowering the battery capacity. The secondary battery of the present invention has: a wound electrode group formed by winding electrodes in which mixture layers are formed on metal foils; a battery container for housing the wound electrode group; and an insulator interposed between the wound electrode group and the battery container. The insulator has a section interposed between the battery container and a mixture layer laminated region formed at the center of the wound electrode group in the winding axis direction, and a section interposed between the battery container and a pair of metal foil exposed portions formed on both sides of the wound electrode group in the winding axis direction, wherein the latter region is thicker than the former region.

Sealing body of cylindrical battery, and cylindrical battery

A sealing body of a cylindrical battery, including: a sealing plate with a through-hole formed at a center of a metallic disk and a thin-walled portion formed into a groove in a planar surface of the disk, the sealing plate mounted to a cylindrical battery can having a closed bottom, so as to seal an opening of the battery can, the battery can doubling as an electrode current collector of either a positive or negative electrode and housing a power generating element; an electrode terminal of another of the positive or negative electrode, the electrode terminal including a shaft portion inserted into the through-hole and fitted to the sealing plate; and a sealing gasket made of resin and interposed between the shaft portion and the through-hole. The thin-walled portion has an arc shape and is not formed along a circle concentric with an outer periphery of the sealing plate.

Lid for battery case

In a configuration where an annular thin portion 50 is formed integrally with a lid main body 4 by coining, a bulging portion 6 is formed integrally with the lid main body 4 so as to bulge out from the lid main body 4, and the annular thin portion 50 is provided in a flat portion 61 of the bulging portion 6.

Secondary battery

A secondary battery, including a case having one or more partition walls providing a plurality of accommodating spaces; a plurality of electrode assemblies in the accommodating spaces with an electrolyte, the plurality of electrode assemblies including electrode tabs; and a cap assembly including a cap plate sealing a top portion of the case, the cap assembly having the electrode tabs drawn therefrom and first connection tabs electrically connecting the plurality of electrode assemblies through the electrode tabs, the partition walls being impregnated with the electrolyte.

Battery manufacturing method and battery

A battery manufacturing method and a battery are provided. The battery manufacturing method includes: providing a first housing, including a bottom wall and a side wall, wherein the side wall extends upward from the bottom wall, the side wall encloses to form an opening, the side wall extends outward from the opening to form a first flange, and a first reinforcing part is formed on the first flange; providing a second housing, wherein the second housing includes an intermediate part and a second flange, the intermediate part covers the opening, and the second flange is in contact with the first flange; and welding the first flange and the second flange.

Secondary Battery

본 발명의 일 실시예에 따른 이차전지는 캔, 전극조립체 및 캡조립체를 포함하는 베어셀을 포함하고, 캡조립체는 보호회로조립체를 포함한다. A secondary battery according to an embodiment of the present invention includes a bare cell including a can, an electrode assembly, and a cap assembly, and the cap assembly includes a protection circuit assembly. 이차전지, 보호회로조립체 Secondary Battery, Protection Circuit Assembly

Secondary battery

본 발명에 따른 이차 전지는, 양극판과 음극판이 세퍼레이터를 사이에 두고 배치된 전극 조립체; 전극 조립체가 수납될 수 있는 케이스; 및 케이스의 개방단에 용접될 수 있는 금속성 커버를 포함하는 캡 조립체를 구비한다. A secondary battery according to the present invention includes an electrode assembly in which a positive electrode plate and a negative electrode plate are disposed with a separator interposed therebetween; A case in which the electrode assembly can be stored; And a cap assembly that can be welded to the open end of the case.

Protection circuit module integrated cap assembly, manufacturing method of cap assembly, and battery assembly

캡 조립체는 관통공을 구비한 캡 플레이트와, 회로 패턴을 구비하며 일측 단부는 캡 플레이트에 연결되고 타측 단부는 캡 플레이트의 관통공을 통과하여 캡 플레이트의 타면으로 돌출되는 배선부와, 회로 패턴의 공간에 충전된 제1 절연부와, 캡 플레이트의 관통공과 배선부의 타측 단부의 사이에 충전된 제2 절연부와, 배선부의 회로 패턴에 장착되는 전기 부품을 구비한다. The cap assembly includes a cap plate having a through hole, a wiring portion having a circuit pattern, one end connected to the cap plate and the other end protruding from the other surface of the cap plate through the through hole of the cap plate, A second insulating portion filled between the through hole of the cap plate and the other end portion of the wiring portion; and an electrical component mounted on the circuit pattern of the wiring portion.

Li Ion Secondary Battery

본 발명은 캡 조립체에 있어서, 캡 플레이트의 두께와, 상기 캡 플레이트의 장축 및 단축의 비율을 최적화하여, 전해액 주입구의 밀봉 시에 상기 캡 플레이트의 변형을 방지하는 리튬 이온 이차 전지에 관한 것으로, 제 1 전극판, 제 2 전극판, 상기 제 1 전극판 및 제 2 전극판 사이에 개재된 세퍼레이터를 구비하는 권취형 전극 조립체와; 상기 전극 조립체를 수용하기 위한 공간을 구비하는 케이스와; 망간(Mn)을 2% 이하로 함유하는 알루미늄-망간(Al-Mn)계 합금으로 이루어지는 캡 플레이트를 구비하며, 상기 케이스와 결합되어 이를 밀봉하며, 상기 전극 조립체와 전기적으로 연결되는 단자부가 형성된 캡 조립체를 포함하는 리튬 이온 이차 전지를 제공하는 것을 특징으로 한다. The present invention relates to a lithium ion secondary battery for cap assembly, by optimizing the thickness of the cap plate and the ratio of the long axis and the short axis of the cap plate to prevent deformation of the cap plate during sealing of the electrolyte inlet. A wound electrode assembly having a first electrode plate, a second electrode plate, a separator interposed between the first electrode plate and the second electrode plate; A case having a space for accommodating the electrode assembly; A cap plate made of an aluminum-manganese (Al-Mn) -based alloy containing 2% or less of manganese (Mn), the cap having a terminal portion coupled to the case and sealing it and electrically connected to the electrode assembly It is characterized by providing a lithium ion secondary battery comprising an assembly. 리튬 이온 이차 전지, 캡 플레이트 Lithium Ion Secondary Battery, Cap Plate

Rechargeable battery

본 기재의 이차 전지는 제1 전극과 제2 전극을 포함하는 전극 어셈블리, 일측이 개구되고, 상기 전극 어셈블리를 수용하는 하우징, 상기 하우징의 개구된 부분을 밀폐하는 캡 플레이트를 포함하는 캡 어셈블리, 상기 캡 어셈블리의 하측에 위치되어 상기 제1 전극과 연결된 제1 집전부재, 상기 캡 어셈블리의 하측에 위치되어 상기 제2 전극과 연결된 제2 집전부재 및 상기 캡 어셈블리와 일체로 형성되어 상기 캡 플레이트와 상기 전극 어셈블리 사이에 설치되며, 상기 제1 집전부재 및 제2 집전부재와 대응되는 부분에는 관통홀이 형성된 절연 케이스를 포함한다. The secondary battery includes a cap assembly including an electrode assembly including a first electrode and a second electrode, a housing having one side opened, a housing accommodating the electrode assembly, and a cap plate sealing the opened portion of the housing, A first current collecting member located under the cap assembly and connected to the first electrode, a second current collecting member positioned under the cap assembly and connected to the second electrode, and a second current collecting member formed integrally with the cap assembly, And an insulating case provided between the electrode assemblies and having a through hole formed in a portion corresponding to the first current collecting member and the second current collecting member.

Rechargeable battery

본 발명은 전극 단자와 플레이트를 일체화하여 제조 공정을 단순화하고 비용을 절감하는 이차 전지에 관한 것이다. 본 발명은 제 1 전극판, 세퍼레이터 및 제 2 전극판을 갖는 전극조립체; 상기 제 1 전극판과 전기적으로 연결되는 제 1 집전판; 상기 제 2 전극판과 전기적으로 연결되는 제 2 집전판; 상기 전극조립체와 집전판을 수용하는 케이스; 상기 제 1 집전판에 전기적으로 연결되는 제 1 전극 단자; 상기 제 2 집전판에 전기적으로 연결되는 제 2 전극 단자; 상기 제 1 집전판 및 제 1 전극단자에 연결되어 케이스를 밀봉하는 제 1 플레이트; 상기 제 2 집전판 및 제 2 전극단자에 연결된 제 2 플레이트; 및 상기 제 1 플레이트와 제 2 플레이트 사이에 개재된 절연 플레이트를 포함하는 이차 전지를 개시한다. The present invention relates to a secondary battery that integrates an electrode terminal and a plate to simplify the manufacturing process and reduce cost. The present invention provides an electrode assembly having a first electrode plate, a separator and a second electrode plate; A first current collector plate electrically connected to the first electrode plate; A second current collector plate electrically connected to the second electrode plate; A case accommodating the electrode assembly and the current collector plate; A first electrode terminal electrically connected to the first collector plate; A second electrode terminal electrically connected to the second collector plate; A first plate connected to the first current collecting plate and the first electrode terminal to seal the case; A second plate connected to the second current collecting plate and the second electrode terminal; And an insulating plate interposed between the first plate and the second plate.

Sealed rectangular accumulator battery and battery module having said battery

Изобретение относится к герметичной аккумуляторной батарее прямоугольной формы. Техническим результатом изобретения являются превосходные свойства в отношении коэффициента заполнения объема и сопротивления давлению. Согласно изобретению герметичная аккумуляторная батарея прямоугольной формы включает электродную группу, состоящую из положительного и отрицательного электродов, и кожух гальванического элемента, вмещающий электродную группу и раствор электролита, при этом кожух включает прямоугольный рамный элемент, первый крышечный элемент и второй крышечный элемент. Каждый из двух крышечных элементов включают корпусную часть, покрывающую одно из отверстий рамного элемента с наружной стороны батареи, и боковую часть, выступающую от корпусной части, по меньшей мере, вдоль одной пары сторон, противоположных друг другу. 2 н. и 15 з.п. ф-лы, 17 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 462 794 (13) C2 (51) МПК H01M 2/10 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2010142991/07, 19.03.2009 (24) Дата начала отсчета срока действия патента: 19.03.2009 (72) Автор(ы): ЦУЦУМИ Кадзуо (JP), НИСИМУРА Кадзуя (JP) (43) Дата публикации заявки: 20.05.2012 Бюл. № 14 2 4 6 2 7 9 4 (45) Опубликовано: 27.09.2012 Бюл. № 27 (56) Список документов, цитированных в отчете о поиске: JP 06-338304 А, 06.12.1994. JP 2003-045385 A, 14.02.2003. SU 1279466 A1, 20.01.1995. US 6492058 B1, 10.12.2002. 2 4 6 2 7 9 4 R U (86) Заявка PCT: JP 2009/001254 (19.03.2009) C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 11.11.2010 (87) Публикация заявки РСТ: WO 2009/125544 (15.10.2009) Адрес для переписки: 191186, Санкт-Петербург, а/я 230, "АРСПАТЕНТ", пат.пов. М.В.Хмаре, рег. № 771 (54) ГЕРМЕТИЧНАЯ АККУМУЛЯТОРНАЯ БАТАРЕЯ ПРЯМОУГОЛЬНОЙ ФОРМЫ И БАТАРЕЙНЫЙ МОДУЛЬ, СОДЕРЖАЩИЙ ТАКУЮ БАТАРЕЮ (57) Реферат: Изобретение относится к герметичной аккумуляторной батарее прямоугольной формы. Техническим результатом изобретения являются ...

Top Insulator For Secondary Battery And The Method For Manufacturing Thereof

상기 과제를 해결하기 위한 본 발명의 실시예에 따른 이차 전지용 절연판 제조 방법은 이차 전지의 케이스에 삽입되는 절연판을 제조하는 방법에 있어서, 유리 섬유 원사들이 씨실과 날실로 서로 교차하여 형성되는 유리 섬유 원단의 적어도 하나의 면에, 실리콘 고무를 코팅하여 절연판 원단을 제조하는 단계; 및 상기 절연판 원단을 타발하는 단계를 포함한다. In the method for manufacturing an insulating plate for a secondary battery according to an embodiment of the present invention for solving the above problems, in the method for manufacturing an insulating plate inserted into a case of a secondary battery, glass fiber yarns are formed by crossing each other with a weft and warp yarns. At least one surface of the, coating the silicone rubber to prepare an insulating plate fabric; and punching the insulating plate fabric.

Secondary battery

본 발명은 캡조립체의 단변부를 열처리하여 캔에 삽입함에 의해 캡조립체의 장변부 일 영역이 휘어지는 것을 방지할 수 있는 이차전지에 관한 것이다. 본 발명에 따른 이차전지는 전극조립체를 수용하며, 상단이 개구된 캔; 및 상기 캔의 개구된 부분을 밀봉하는 캡조립체;를 포함하되, 상기 캡조립체의 단변부가 상기 단변부를 제외한 캡조립체의 다른 부분보다 연성이 크게 형성된다. The present invention relates to a secondary battery capable of preventing the long side portion of the cap assembly from being bent by heat-treating the short side portion of the cap assembly and inserting it into the can. A secondary battery according to the present invention accommodates an electrode assembly and has an open top; And a cap assembly sealing the opened portion of the can, wherein a short side portion of the cap assembly is formed to have a greater ductility than other portions of the cap assembly except for the short side portion.

Rechargeable battery

一种可再充电电池，包括：电极组件，包括第一电极、第二电极和所述第一电极与所述第二电极之间的隔板；容纳所述电极组件的壳体；以及连接至所述壳体的盖组件。所述盖组件包括电连接至所述第一电极的第一接线片、电连接至所述第二电极的第二接线片、能够通过压力增加导致的变形将所述第一接线片与所述第二接线片电连接的可变形板，以及在所述第一接线片与所述可变形板之间形成的中间构件。

Lithium battery with external positive thermal coefficient layer

본 발명은 리튬-이온 배터리에 관한 것으로서, 상기 리튬-이온 배터리는 배터리의 제 1 전극과 전기적으로 소통하는 제 1 터미널, 배터리의 제 2 전극과 전기적으로 소통하는 제 2 터미널, 셀 케이스에 전기적으로 연결되어 있는 뚜껑을 포함하는 셀 케이스, 및 상기 제 1 터미널과 전기적으로 소통하고 있고, 상기 셀 케이스의 뚜껑 위에 있는 포지티브 열 계수(PTC) 층을 포함한다. 또한 본 발명은 상기 기재된 복수의 이러한 리튬-이온 배터리를 포함하는 배터리 팩에 관한 것이다. The present invention relates to a lithium-ion battery, wherein the lithium-ion battery is electrically connected to a first terminal in electrical communication with a first electrode of the battery, a second terminal in electrical communication with a second electrode of the battery, and a cell case. And a cell case comprising a lid coupled thereto, and a positive thermal coefficient (PTC) layer in electrical communication with the first terminal and over the lid of the cell case. The invention also relates to a battery pack comprising a plurality of such lithium-ion batteries described above.

Secondary battery

【課題】本発明の一実施例に係る二次電池に関する。 【解決手段】本発明に係る二次電池は、缶、電極組立体およびキャップ組立体を含むベアセルを含み、キャップ組立体は保護回路組立体を含む。 【選択図】図４

Secondary battery

提供一种具有增强的稳定性和耐久性的二次电池。二次电池包括：具有开口的壳体；和电解质一起在壳体中的电极组件；密封壳体的开口的盖板；电连接到电极组件并穿过盖板突出的端子组件；以及在电极组件和壳体之间以容纳电极组件并密封电解质的绝缘袋。

Battery cell having a current collector for housing contacting

The invention relates to a battery cell, in particular a lithium-ion battery cell, wherein compared to conventional battery cells, a number of components can be reduced. The battery cell has at least one winding element, two current collectors each electrically connected to one of the electrodes of the winding element, and a metal housing. In order to be able to establish an electrical contact between one of the electrodes of the winding element and the housing, one of the current collectors is specifically configured and arranged such that said current collector is in direct mechanical and electrically conductive contact with the housing. To this end, said housing contact current collector (29) can be provided with a suitably wide plate-shaped area (35), which in edge regions (37) that are bent away at a right angle can rest against an interior wall of the housing of the battery cell in a planar manner, and can establish an electrical contact therewith.

Aluminum alloy plate for battery lid for integral explosion-proof valve molding and manufacturing method thereof

【課題】適度な強度を有し、耐変形性、成形性に優れた電池蓋用アルミニウム合金板であって、作動圧バラツキが少なく、耐繰り返し疲労特性に優れた一体型防爆弁を成形することが可能な電池蓋用アルミニウム合金板及びその製造方法を提供する。【解決手段】Ｆｅ：０．８５〜１．５０質量％、Ｍｎ：０．３０〜０．７０質量％、Ｔｉ：０．００２〜０．１５質量％、及びＢ：０．０５質量％未満を含有し、残部がＡｌ及び不純物からなり、Ｆｅ／Ｍｎ比が１．８〜３．５に規制され、不純物としてのＳｉが０．４０質量％未満、Ｃｕが０．０３質量％未満、Ｍｇが０．０５質量％未満、Ｖが０．０３質量％未満に規制された成分組成を有し、引張り強度が９５ＭＰａ以上であり、０．２％耐力が４０ＭＰａ以上であり、伸びの値が４０％以上であり、再結晶組織を有するとともに、圧下率８０％で冷間圧延を施した後の伸びの値が６．５％以上であることを特徴とする、一体型防爆弁成形用の電池蓋用アルミニウム合金板。さらに再結晶組織の再結晶粒の平均結晶粒径が１５〜２５μｍであることが好ましい。【選択図】なし [PROBLEMS] To form an integrated explosion-proof valve having moderate strength, excellent deformation resistance and formability, having a low operating pressure variation and excellent repeated fatigue resistance. An aluminum alloy plate for a battery lid and a method for manufacturing the same are provided. Fe: 0.85 to 1.50 mass%, Mn: 0.30 to 0.70 mass%, Ti: 0.002 to 0.15 mass%, and B: less than 0.05 mass% And the balance is made of Al and impurities, the Fe / Mn ratio is regulated to 1.8 to 3.5, Si as impurities is less than 0.40 mass%, Cu is less than 0.03 mass%, Mg is It has a component composition regulated to be less than 0.05% by mass, V is less than 0.03% by mass, tensile strength is 95 MPa or more, 0.2% proof stress is 40 MPa or more, and elongation value is 40%. A battery lid for forming an integral explosion-proof valve, having a recrystallized structure and having an elongation value of 6.5% or more after cold rolling at a reduction rate of 80% Aluminum alloy plate for use. Furthermore, the average crystal grain size of the recrystallized grains of the recrystallized structure is preferably 15 to 25 μm. [Selection figure] None

Battery container

本发明提供一种电池壳体，其包括利用断裂用槽部(45)的安全阀(4)，为了实现工作压力的稳定化，在电池壳体的盖(2)形成有：使板部(3)薄板化而成的薄板部分(30)；和包括使薄板部分(30)向壳体内侧以弯曲形状凹陷而形成的弯曲部(44)的第一凹部(40)。在弯曲部(44)的底部(440)形成有用于安全阀(4)的断裂用槽部(45)。在板部(3)中，在将弯曲部(44)夹在中间的两侧，与该弯曲部(44)连接的第一连接部分(46)和第二连接部分(47)位于从板部(3)向壳体外侧突出的位置。

Rechargeable battery

본 발명은 전극 단자와 플레이트를 일체화하여 제조 공정을 단순화하고 비용을 절감하는 이차 전지에 관한 것이다. 본 제 1 전극판, 세퍼레이터 및 제 2 전극판을 갖는 전극조립체; 상기 제 1 전극판과 전기적으로 연결되는 제 1 집전판; 상기 제 2 전극판과 전기적으로 연결되는 제 2 집전판; 상기 전극조립체와 제 1 집전판 및 제 2 집전판을 수용하는 케이스; 상기 제 1 집전판에 전기적으로 연결되는 제 1 전극 단자; 상기 제 2 집전판에 전기적으로 연결되는 제 2 전극 단자; 상기 제 1 집전판 및 제 1 전극단자에 연결되어 케이스를 밀봉하는 제 1 플레이트; 상기 제 2 집전판 및 제 2 전극단자에 연결되며, 단락 플레이트를 포함하는 제 2 플레이트; 및 상기 제 1 플레이트와 제 2 플레이트 사이에 개재된 절연 플레이트를 포함하는 이차 전지를 개시한다. The present invention relates to a secondary battery that integrates an electrode terminal and a plate to simplify the manufacturing process and reduce cost. An electrode assembly having the first electrode plate, the separator, and the second electrode plate; A first current collector plate electrically connected to the first electrode plate; A second current collector plate electrically connected to the second electrode plate; A case accommodating the electrode assembly, the first collector plate, and the second collector plate; A first electrode terminal electrically connected to the first collector plate; A second electrode terminal electrically connected to the second collector plate; A first plate connected to the first current collecting plate and the first electrode terminal to seal the case; A second plate connected to the second current collecting plate and the second electrode terminal and including a shorting plate; And an insulating plate interposed between the first plate and the second plate.

Secondary cell's top cap subassembly, secondary cell and battery module

本申请提供一种二次电池的顶盖组件、二次电池以及电池模组。顶盖组件包括顶盖板、第一电极端子和密封件。顶盖板具有电极引出孔。第一电极端子覆盖电极引出孔。第一电极端子包括第一端子板和与第一端子板连接的第二端子板，第一端子板的材料和第二端子板的材料具有不同的基体金属。密封件围绕电极引出孔并设置在顶盖板和第一电极端子之间，以密封电极引出孔。本申请实施例将第一电极端子设置成包括具有不同基体金属的第一端子板和第二端子板，以便于实现第一电极端子与二次电池壳体内部的电极组件电连接的目的，并避免顶盖组件的部件过多的占用壳体内部的空间，能够提高二次电池的能量密度。

Prismatic secondary battery

Top Cap for Cylindrical Secondary Battery and Secondary Battery Comprising the Same

본 발명은 원통형 이차전지용 탑 캡(top cap)으로서, 내부식성의 단일소재로 이루어져 있고, 표면 스크래치의 생성을 방지할 수 있는 표면 거칠기의 제공을 위한 요철이 표면에 형성되어 있는 것을 특징으로 하는 원통형 이차전지용 탑 캡 및 이를 포함하는 이차전지를 제공한다.

Metal injection molded cover for an electrochemical cell

A cover for an electrochemical cell is molded by a metal injection molding process. The cover includes a main body portion completely integral with a feedthrough ferrule portion for accommodating an electrical lead to pass through the cover and/or completely integral with a fillport portion for introducing cathode material into the cell.

Manufacturing method of non-water-based secondary battery

Flexible secondary battery

본 발명의 일 실시예는, 제1 전극층, 제2 전극층 및 상기 제1 전극층과 상기 제2 전극층 사이의 세퍼레이터를 포함하는 전극 조립체, 상기 전극 조립체의 가장자리를 에워싸고, 가요성을 가지는 가스켓, 상기 가스켓의 제1 면에 부착된 제1 밀봉 시트 및 상기 제1 면과 반대면인 상기 가스켓의 제2 면에 부착된 제2 밀봉 시트를 포함하고, 상기 가스켓은 휘어지는 영역에 요철패턴을 포함하는 가요성 이차전지를 개시한다. An embodiment of the present invention is an electrode assembly including a first electrode layer, a second electrode layer, and a separator between the first electrode layer and the second electrode layer, a gasket surrounding the edge of the electrode assembly and having flexibility, the A first sealing sheet attached to a first surface of the gasket and a second sealing sheet attached to a second surface of the gasket opposite to the first surface, wherein the gasket includes a concave-convex pattern in a curved area Initiate a castle secondary battery.

Rechargeable battery having cover

본 발명의 일 측면에 따른 이차 전지는, 제1 전극과 제2 전극을 포함하는 전극 어셈블리와, 상기 전극 어셈블리를 수용하는 케이스와, 상기 제1 전극과 전기적으로 연결된 제1 단자, 상기 제2 전극과 전기적으로 연결된 제2 단자와, 상기 케이스에 결합되며, 단락 홀이 형성된 캡 플레이트와, 상기 캡 플레이트에 고정되며 상기 제1 전극과 상기 제2 전극을 전기적으로 분리 또는 단락시키는 멤브레인, 및 상기 제2 전극과 전기적으로 연결되며 상기 멤브레인의 상부에 배치되어 상기 멤브레인을 향하여 돌출된 단락 돌기를 포함하고, 상기 단락 돌기는 상기 단락 홀의 중심에서 일측으로 치우쳐 배치된다.

Energy storage device

本发明提供一种储能装置，其中可以防止电极组件的内部短路，同时确保容易地组装储能装置。根据本发明的方面的储能装置包括：电极组件，其具有通过层叠正电极板、隔板和负电极板形成的电极组件主体以及从正电极板和负电极板延伸的接片；壳体，其由其中容纳所述电极组件的壳体主体和封闭壳体主体的盖板构成；外部端子，其固定在盖板上并与接片电连接；间隔物，其设置在电极组件主体与盖板之间并具有刚性；以及多孔的缓冲片，其设置在间隔物与电极组件主体之间并具有缓冲特性，其中缓冲片焊接到间隔物上。

Rechargeable battery

One embodiment of the present invention provides a rechargeable battery capable of preventing an electrical short which includes a bare cell which has an angular shape, a first terminal which is arranged on a first region of a first surface of the bare cell, a second terminal which is arranged on a second region of the first surface of the bare cell, a first insulation tape which is interposed between the bare cell and the first terminal and covers the first surface of the bare cell and a second surface and a third surface of the bare cell which are vertical to the first surface, and a second insulation tape which is interposed between the first insulation tape and the first terminal.

Pouch for rechageable battery, fabricating method of the same and rechargeable battery including the pouch

본 발명은 내구성을 확보하여 안정성을 갖춘 이차 전지용 파우치, 그의 제조 방법 및 이를 포함하는 이차 전지에 관한 것이다. 본 발명의 일 실시예에 따른 이차 전지용 파우치는, 바닥면부, 상기 바닥면부의 주위를 따라 형성된 측면부 및 상기 측면부의 상부 주위를 따라 형성된 실링부를 포함하는 케이스, 및 상기 케이스의 상부를 덮는 덮개를 포함한다. 이 때, 상기 측면부는 적어도 하나의 단차부를 포함한다. The present invention relates to a secondary battery pouch, a method for manufacturing the same, and a secondary battery including the same, ensuring durability and ensuring stability. A secondary battery pouch according to an embodiment of the present invention includes a case including a bottom surface portion, a side portion formed along the periphery of the bottom surface portion, and a sealing portion formed along the upper periphery of the side portion, and a cover covering the top of the case. do. In this case, the side portion includes at least one stepped portion.

Rechargeable battery including resistance member

본 발명의 일 측면은 도전체 관통시 전극단자를 통하여 캡 플레이트로 흐르는 전류량을 제어하는 이차 전지를 제공하는 것이다. 본 발명의 일 실시예에 따른 이차 전지는, 세퍼레이터의 양면에 제1 전극과 제2 전극을 구비하는 전극 조립체, 상기 전극 조립체를 내장하는 케이스, 상기 케이스의 개구에 결합되는 캡 플레이트, 상기 캡 플레이트에 도전 상태로 설치되어 상기 제1 전극에 연결되는 제1 전극단자, 및 상기 캡 플레이트에 절연 상태로 설치되어 상기 제2 전극에 연결되는 제2 전극단자를 포함하며, 상기 제1 전극단자는 상기 제1 전극에 연결되어 상기 캡 플레이트의 외부에 노출되며 상기 캡 플레이트와 절연되는 터미널 플레이트, 및 상기 터미널 플레이트와 상기 캡 플레이트를 전기적으로 연결하고 상기 터미널 플레이트보다 높은 저항값을 가지는 탑 플레이트를 포함한다. One aspect of the present invention is to provide a secondary battery that controls an amount of current flowing to a cap plate through an electrode terminal when passing through a conductor. A secondary battery according to an embodiment of the present invention includes an electrode assembly including a first electrode and a second electrode on both surfaces of a separator, a case including the electrode assembly, a cap plate coupled to an opening of the case, And a second electrode terminal provided in an insulated state on the cap plate and connected to the second electrode, wherein the first electrode terminal is electrically connected to the first electrode terminal, A terminal plate connected to the first electrode and exposed to the outside of the cap plate and insulated from the cap plate, and a top plate electrically connecting the terminal plate and the cap plate and having a resistance value higher than that of the terminal plate .

Cover body for battery case

코이닝 가공에 의해 덮개체 본체(4)와 일체로 환상 박육부(50)가 형성되는 구성에 있어서, 덮개체 본체(4)로부터 돌출하도록 덮개체 본체(4)와 일체로 형성된 한 쌍의 리브(6,7)를 덮개체 본체(4)의 짧은 쪽 방향(4a)에 따라서 연장됨과 동시에 덮개체 본체(4)의 긴 쪽 방향(4b)에 따른 환상 박육부(50)의 양측에 배치한다. And a pair of ribs formed integrally with the lid body 4 so as to protrude from the lid body 4. The lid body 4 is provided with an annular thin portion 50 integrally formed with the lid body 4 by coining, 7 extend along the short side direction 4a of the lid body 4 and are disposed on both sides of the annular thin wall portion 50 along the longitudinal direction 4b of the lid body 4. [ .

Rechargeable battery and method of manufacturing the same

本公开提供了一种可再充电电池及其制造方法。该可再充电电池包括：电极组件，包括第一电极和第二电极；具有敞开侧的壳体，该壳体容纳电极组件；盖组件，包括盖板，用于封闭和密封壳体的敞开侧；第一电流收集构件，在盖组件下面并连接到第一电极；第二电流收集构件，在盖组件下面并连接到第二电极；以及绝缘壳，与盖组件接合，布置在盖板和电极组件之间，并在该绝缘壳的分别与第一电流收集构件和第二电流收集构件相对应的部分处具有凹槽。

Aluminum alloy plate for battery lid for molding of integrated circular explosion-proof valve and its manufacturing method

Energy storage device and energy storage unit

케이스 내부의 용적의 저하를 억제하고, 또한 커버판을 케이스 본체의 개구부에 위치결정할 수 있는 축전 소자를 제공한다. 본 발명에 관한 축전 소자는, 케이스 본체와 커버판을 가지는 케이스를 구비하고, 커버판은, 케이스 본체의 개구부에 삽입되는 돌출부를 가지고, 상기 돌출부는, 제2 방향에 있어서 케이스 본체의 개구 에지의 내면에 내접하거나 또는 근접하고, 또한 커버판의 주위 에지 부근에 국소적으로 위치하고 있다. There is provided a power storage element capable of suppressing a decrease in the volume inside the case and further positioning the cover plate in the opening of the case body. The power storage element according to the present invention includes a case having a case body and a cover plate, and the cover plate has a protrusion inserted into an opening of the case body, and the protrusion is at the opening edge of the case body in a second direction. It is inscribed or close to the inner surface, and is also located locally near the peripheral edge of the cover plate.

Electrochemical cell

Sealed rechargeable battery

An electrode plate group is accommodated together with liquid electrolyte in a metal case having an oval or rectangular cross section. The open end of the case is sealed by a metal sealing plate, with an insulation gasket fitted between the case and the sealing plate. The electrode plate group is constructed with a positive electrode plate and a negative electrode plate wound around with a separator interposed therebetween. Core materials of respective plates are protruded to opposite sides to form a positive electrode end face and a negative electrode end face at either end of the electrode plate group. The winding axis of the electrode plates is vertical to the open end of the case, and the positive and negative electrode end faces are respectively connected to the sealing plate and the bottom face of the case in direct or indirect surface contact therewith.

The Secondary Battery And Top Insulator For Secondary Battery

상기 과제를 해결하기 위한 본 발명의 실시예에 따른 이차 전지용 절연판은 이차 전지의 케이스에 삽입되는 절연판에 있어서, 유리 섬유 원사들이 씨실과 날실로 서로 교차하여 형성되는 유리 섬유; 상기 유리 섬유의 적어도 하나의 면에 코팅되는 실리콘 고무를 포함한다.

Secondary battery and method of manufacturing secondary battery

Square battery

A secondary battery

본 발명은 이차 전지에 관한 것이다. 일례로, 다수의 수용공간이 형성되도록 적어도 하나의 격벽이 설치된 케이스; 상기 수용공간에 전해액과 함께 각각 수용되고, 전극탭을 갖는 다수의 전극조립체; 및 상기 케이스의 상부를 밀봉하고 상기 전극탭이 각각 인출되는 캡 플레이트 및 상기 전극탭을 통해 상기 다수의 전극조립체 사이를 전기적으로 연결하는 제1 연결탭을 포함하는 캡 조립체를 포함하고, 상기 격벽은, 상기 전해액을 함침하고, 함침된 전해액을 상기 수용공간으로 제공하는 이차 전지를 개시한다.

Alkaline battery

There is the button cell of the winding electrode with thermocutout

本发明描述了一种纽扣电池，具有由两个金属外壳半构件组成的外壳、在外壳内的优选螺旋形绕组形式的电极分离器复合体和金属分导器，所述金属分导器将复合体的电极与外壳半构件电连接，其中分导器的至少之一配备有热保险装置。

Secondary battery

본 발명의 실시예는 이차전지에 관한 것으로, 해결하고자 하는 기술적 과제는 전극조립체와 캔 사이의 절연 특성을 확보함과 동시에, 전극조립체에 대한 전해액의 함침 특성을 개선할 수 있는 이차전지를 제공하는 데 있다. 이를 위해 본 발명은 전극조립체, 상기 전극조립체를 수용하는 캔, 상기 캔을 밀봉하기 위한 캡조립체, 상기 전극조립체 측에 마련되며, 상기 전극조립체의 하면 중 적어도 일부가 노출되도록 개구부를 구비하는 제1 절연부재 및 상기 캔의 바닥에 마련되며, 상기 제1 절연부재의 개구부에 상응하는 면적으로 형성되는 제2 절연부재를 포함하는 이차전지를 개시한다.

UV coating for dielectric insulation

描述了一种可UV固化的介电涂层。可固化涂层可以包括一种或多种丙烯酸酯单体、氨基甲酸酯预聚物、交联剂、至少一种增粘剂、光引发剂和任选的一种或多种填料和/或添加剂。所述涂层可用于使电池组电池和电池组绝缘，例如使电动汽车中使用的电池组电池和电池组绝缘。所述涂层易于施加并快速固化。即使在暴露于潮湿条件后，固化的涂层也可以具有高粘合强度。

Top cap for cylindrical secondary battery, and secondary battery including top cap

Insulation plate for rechargeable battery and method for manufacturing same

To solve the above problem, a method for manufacturing a top insulator for a secondary battery, which is inserted into a case of the secondary battery, according to an embodiment of the present invention includes: a step of preparing a top insulator fabric by applying silicone rubber to at least one surface of a glass fiber fabric formed by crossing weft yarns and warp yarns of glass fiber raw yarns; and a step of punching the top insulator fabric.

Button battery and manufacturing method therefor

本发明涉及一种纽扣电池及其制造方法，纽扣电池包括壳体，在壳体内设置有多个正极片和负极片，各正极片与负极片层叠形成柱状电芯，各正极片和负极片分别通过集流体与壳体连接；纽扣电池制造方法，在正极片和负极片上分别涂覆活性材料，将与各正极片连接的第一集流体通过铝箔与壳体连接；将与各负极片连接的第二集流体通过铜箔与壳体连接；对柱状电芯套置密封圈，柱状电芯烘烤并进行注液，封口，化成，分容。本发明的正极片和负极片均为多个，在每一正极片和负极片上均设置有极耳，由于采用多个极耳进行导流，因此电池内阻减小，大电流放电能力强。本发明的正极片和负极片采用间隔穿插层叠的方式，因此电池高度可控。

Can type secondary battery

本发明公开了一种壳式二次电池，包括：电极组件，其包括正极板、负极板、以及置于正极板和负极板之间的隔板；用以容纳电极组件的壳；连接到壳开口部分的盖组件。盖板上形成有电解质注入孔和焊接在电解质注入孔上以密封电解质注入孔的插塞，其中，在采用微硬度测量仪测量时所述软铝插塞的维氏硬度值小于27。

ENERGY STORAGE DEVICE

La présente invention concerne un dispositif de stockage d'énergie, comprenant un substrat (10) présentant une portion optiquement transparente dans un intervalle de longueurs d'ondes prédéfini, et au moins un système de stockage (20) d'énergie électrochimique comprenant, à partir d'une face de la portion transparente, un empilement (29) présentant successivement un premier collecteur de courant (21, 22), une première électrode (23), un électrolyte (24), une deuxième électrode (25), un deuxième collecteur (26) de courant, l'empilement (29) étant recouvert au moins partiellement d'une couverture (30), caractérisé en ce qu'au moins une partie de la couverture (30) comporte un coefficient d'absorbance de lumière supérieur ou égal à 80%, de préférence supérieur à 90%. The present invention relates to an energy storage device, comprising a substrate (10) having an optically transparent portion in a predefined wavelength interval, and at least one electrochemical energy storage system (20) comprising, from a face of the transparent portion, a stack (29) successively having a first current collector (21, 22), a first electrode (23), an electrolyte (24), a second electrode (25), a second collector (26) current, the stack (29) being at least partially covered by a cover (30), characterized in that at least a portion of the cover (30) has a higher light absorbance coefficient or equal to 80%, preferably greater than 90%.

Coin-shaped battery

방전용량의 향상을 도모하는 동시에, 리튬금속의 석출을 방지하는 구조를 설치한 코인형 전지를 제공한다. 양극판(7)의 적층면과 음극판(8)의 적층면이 격리판(9)을 개재하여 적층되도록 양극판(7)과 음극판(8)을 연결편에서 구부려 편평하게 감아 극판군(1)을 형성하고, 이것을 캡케이스(4)의 개구부를 밀봉케이스(5)로 밀봉하는 전지케이스 내에 수용한다. 상기 양극판(7)이 감겼을 때에 중심에 위치하는 연결편의, 음극판(8)의 단부에 대향하는 면에 절연부재를 설치한다. Provided is a coin-type battery provided with a structure for improving discharge capacity and preventing precipitation of lithium metal. The positive electrode plate 7 and the negative electrode plate 8 are bent from the connecting piece so as to be laminated so that the laminated surface of the positive electrode plate 7 and the negative electrode plate 8 are laminated via the separator plate 9 to form the electrode plate group 1. This is accommodated in the battery case which seals the opening part of the cap case 4 with the sealing case 5. When the positive electrode plate 7 is wound, an insulating member is provided on a surface of the connecting piece located at the center of the connecting piece opposite to the end of the negative electrode plate 8. 밀봉케이스, 개스킷 Sealed Case, Gasket

Rechargeable battery

一种可再充电电池，包括：电极组件，包括第一电极、第二电极和所述第一电极与所述第二电极之间的隔板；容纳所述电极组件的壳体；以及连接至所述壳体的盖组件。所述盖组件包括电连接至所述第一电极的第一接线片、电连接至所述第二电极的第二接线片、能够通过压力增加导致的变形将所述第一接线片与所述第二接线片电连接的可变形板，以及在所述第一接线片与所述可变形板之间形成的中间构件。

Nonaqueous electrolytic solution secondary battery

在非水电解液二次电池中，在盖与电极端子的密封结构是通过紧固螺母而压缩密封部件的结构的情况下，有可能发生以下问题：即使电池制造时以密封部件能够获得适当的压缩量的方式紧固螺栓，之后如果螺栓松动，则密封部件的压缩量不足，导致密封性能降低。本发明的非水电解液二次电池构成为具有以下结构：电池槽收容电极组和有机电解液且具备开口部，被紧固于电池槽并使电池槽的开口部密闭的盖与同电极组电连接的电极端子隔着弹性体相对。

Sealed rectangular battery and battery module using same

本发明提供一种构造简单、体积效率以及耐压性优异的密闭式长方体电池。本发明的密闭式长方体电池(C)包含：具备正极(12)以及负极(13)的电极体(15)；构成收容该电极体(15)与电解液的电池壳体(22)的矩形框状部件(17)；第1盖部件(19)；以及第2盖部件(21)，其特征为：该第1盖部件(19)具备：覆盖该框状部件(17)一侧开口(17a)的主体部(19a)；以及从该主体部(19a)以大致沿着该矩形框状部件(17)的互相对向的至少1组边(17b)的方式突出设置的侧部(19b)；该第2盖部件(21)具备：覆盖该框状部件(17)另一侧的开口(17c)的主体部；以及从该主体部以大致沿着该矩形框状部件(17)的互相对向的至少1组边(17b)的方式突出设置的侧部(21b)。

Battery, in particular button cell, and its manufacturing process.

La présente invention se rapporte à un procédé de fabrication d’une pile, en particulier d’une pile bouton, comportant une première et une seconde parties définissant respectivement les pôles de la pile, la première partie comportant une première surface (1) destinée à être assemblée avec une seconde surface de la seconde partie. Le procédé comporte successivement une étape de dépôt d’une couche silicatisée (2) par sablage réactif sur les première (1) et seconde surfaces et ensuite une étape de dépôt d’une couche de colle (4) sur la première surface (1) et/ou la seconde surface avant assemblage. Dans une variante avantageuse, un dépôt d’un promoteur d’adhésion (3) est en outre prévu entre les deux couches silicatisées et la couche décolle. The present invention relates to a method of manufacturing a battery, in particular a button cell, comprising a first and a second part respectively defining the poles of the battery, the first part comprising a first surface (1) intended to be assembled with a second surface of the second part. The method comprises successively a step of depositing a silicified layer (2) by reactive sanding on the first (1) and second surfaces and then a step of depositing a layer of adhesive (4) on the first surface (1) and / or the second surface before assembly. In an advantageous variant, a deposition of an adhesion promoter (3) is further provided between the two silicified layers and the layer takes off.

Aluminum can for secondary battery, and method for producing same

본 발명은 알루미늄 합금판체로 이루어지는 캡체 및 외장체를 용접하여 조립한 이차 전지용 알루미늄 캔체 및 그의 제조 방법에 관한 것이다. 적어도, 질량비로 Si를 0.30% 이하로 한 뒤에 B를 2∼30ppm의 범위 내로 포함하는 알루미늄 합금으로 이루어지는 합금판체를 준비하고, 제 1 합금판체의 측연 단부를 따라 제 2 합금판체의 단면을 맞댄다. 제 1 합금판체의 단면에 생기는 맞댐선을 따라 연속 레이저 용접한다. 여기에서 맞댐선을 협지하여 부여되는 용융 접합부의 깊이(D)에 대한 폭(W)의 비를 1.5 이상으로 하고, 또한 0.35mm 이상의 깊이(D)를 갖도록 레이저 용접 조건이 제어된다. The present invention relates to an aluminum can body for a secondary battery assembled by welding a cap body made of an aluminum alloy plate and an outer body, and a manufacturing method thereof. At least a ratio of Si to 0.30% or less in terms of mass ratio and then B in an amount within a range of 2 to 30 ppm is prepared, and the cross section of the second alloy plate body is held along the side edge portion of the first alloy plate body. Continuous laser welding is performed along the abutting line formed on the end face of the first alloy plate. Here, the laser welding conditions are controlled so that the ratio of the width W to the depth D of the molten bond portion sandwiched by the abutting line is set to 1.5 or more and the depth D is 0.35 mm or more.

Button battery and manufacturing method therefor

A button battery and a manufacturing method thereof are provided. The button battery includes a housing with a positive electrode shell and a negative electrode shell, wherein a plurality of positive electrode plates and a plurality of negative electrode plates are provided in the housing. The positive electrode plates and negative electrode plates are stacked at intervals to form a columnar cell. The positive electrode plates and the negative electrode plates are connected to the positive electrode shell and the negative electrode shell through a current collector respectively.

Electric Storage Device

Provided is an electric storage device that can ensure sealing of a case that houses an electrode assembly. An electric storage device according to the present invention includes: an electrode assembly; a case that houses the electrode assembly, the case including a defining wall; a rivet that passes through the defining wall, the rivet having a body and an insertion part formed continuously with the body; a conductive member that is electrically connected to the rivet; and a sealing member arranged at least one of between the defining wall and the conductive member and between the defining wall and the body, wherein the insertion part has a portion that is inserted through the defining wall, the sealing member and the conductive member; the insertion part has a diameter smaller than that of the body at least in the portion inserted through the defining wall, the sealing member and the conductive member; the insertion part has a hollow shaft-shaped end with a non-through hole extending in an axial direction of the insertion part, the end being crimped in a state where the insertion part has been inserted through the defining wall, the sealing member and the conductive member; and a bottom of the non-through hole is located between the defining wall and the conductive member.

Lithium ion secondary battery

박형 광면적의 리튬이온 이차전지에 관하여 개시한다. 본 발명의 리튬이온 이차전지는, 돌출단자가 형성되는 영역보다 외측으로 더 돌출되도록 플랜지를 형성하고, 용기를 형성하는 캔 및/또는 캡의 바람직한 형상을 제공하며, 캔의 플랜지의 외측면과 캡의 외측면을 마이크로 아크 용접으로 용접하는 것을 특징으로 한다. 본 발명에 의하면, 용접시 발생되는 열에 의한 문제점을 효과적으로 제거할 수 있는 냉각 지그의 설치가 용이하며, 결과적으로 전지 내부에 열로 인한 손상을 유발하지 않으며 마이크로 아크 용접을 적용할 수 있다. 따라서 보다 경제적이고, 안정적으로 맞대기 용접을 실시할 수 있으므로, 누액이 생길 수 있는 결함 발생율 및 박형 광면적 리튬 이차 전지의 전체적인 생산비용을 획기적으로 절감할 수 있다. Disclosed is a thin light area lithium ion secondary battery. The lithium ion secondary battery of the present invention forms a flange so as to protrude further outward than an area where a protruding terminal is formed, provides a desirable shape of a can and / or a cap for forming a container, and an outer surface and a cap of the can's flange It is characterized in that the outer surface of the welding by micro arc welding. According to the present invention, it is easy to install a cooling jig that can effectively eliminate the problems caused by the heat generated during welding, and as a result, it is possible to apply micro arc welding without causing heat damage inside the battery. Therefore, butt welding can be performed more economically and stably, thereby reducing the defect occurrence rate and the overall production cost of the thin wide-area lithium secondary battery, which can cause leakage. 리튬이온 이차전지, 돌출단자, 마이크로 아크 용접, 냉각 지그 Lithium-ion secondary battery, projecting terminal, micro arc welding, cooling jig

Nonaqueous electrolyte secondary battery

在非水电解液二次电池中，在盖与电极端子的密封结构是通过紧固螺母而压缩密封部件的结构的情况下，有可能发生以下问题：即使电池制造时以密封部件能够获得适当的压缩量的方式紧固螺栓，之后如果螺栓松动，则密封部件的压缩量不足，导致密封性能降低。本发明的非水电解液二次电池构成为具有以下结构：电池槽收容电极组和有机电解液且具备开口部，被紧固于电池槽并使电池槽的开口部密闭的盖与同电极组电连接的电极端子隔着弹性体相对。

Secondary battery

The present invention relates to a secondary battery. The present invention is aimed to provide a secondary battery having a thin upper case formed of a metal. The secondary battery includes a bare cell; a protection circuit module having a circuit board; an upper case formed of a metal and having a cover plate for covering the circuit board of the protection circuit module; and a case-insulating layer formed on an external surface of the cover plate of the upper case.

Rechargeable battery

본 발명은 전극 단자와 플레이트를 일체화하여 제조 공정을 단순화하고 비용을 절감하는 이차 전지에 관한 것이다. 본 제 1 전극판, 세퍼레이터 및 제 2 전극판을 갖는 전극조립체; 상기 제 1 전극판과 전기적으로 연결되는 제 1 집전판; 상기 제 2 전극판과 전기적으로 연결되는 제 2 집전판; 상기 전극조립체와 제 1 집전판 및 제 2 집전판을 수용하는 케이스; 상기 제 1 집전판에 전기적으로 연결되는 제 1 전극 단자; 상기 제 2 집전판에 전기적으로 연결되는 제 2 전극 단자; 상기 제 1 집전판 및 제 1 전극단자에 연결되어 케이스를 밀봉하는 제 1 플레이트; 상기 제 2 집전판 및 제 2 전극단자에 연결되며, 단락 플레이트를 포함하는 제 2 플레이트; 및 상기 제 1 플레이트와 제 2 플레이트 사이에 개재된 절연 플레이트를 포함하는 이차 전지를 개시한다.

Top cap for cylindrical secondary battery and secondary battery comprising the same

Energy storage device

lithium-iron disulfide cell design

本发明涉及锂‑二硫化铁电池设计，更具体地涉及具有胶辊电极组装件的电化学电池，所述胶辊电极组装件包括锂基负极、具有涂层的正极，所述涂层包含大于大约94wt％的二硫化铁。

Recharcheable battery and module thereof

A rechargeable battery includes an electrode assembly; a case housing the electrode assembly; a cap plate (20) sealing an opening of the case; an electrode terminal (21) that is electrically connected to the electrode assembly and extends through a terminal hole of the cap plate and is oriented outside of the cap plate; and an insulating member (36) that electrically insulates the cap plate (20) and the electrode terminal (21) while supporting the electrode terminal (21) at an outer surface of the cap plate (20), wherein the insulating member (36) defines a heat avoidance space (S1) formed between the cap plate (20) and the electrode terminal (21). The heat avoidance space (S1) is configured to prevent welding heat from deteriorating or melting the insulating member (36), especially when laser welding a busbar to the electrode terminal.

Electrical energy storage element, method and appratus for producing electrical energy storage element

본 발명에 따른 전기 에너지 저장 요소에 있어서, 각각 전극으로 음극과 양극 및 전해질로 형성된 복수의 전기 화학 전지가 서로 적층되어 배치된다. 전기 화학 전지들은 일면에서 전기 전도성 물질, 특히 알루미늄으로부터 형성된 상부 플레이트에 의해, 그리고 반대면에서 전기 전도성 물질, 특히 알루미늄으로부터 형성된 베이스 플레이트에 의해 둘러싸인다. 베이스 플레이트는 음극 또는 양극으로 코팅되고, 커버 플레이트는 양극 또는 음극으로 보완적인 방식으로 코팅된다. 양극과 음극은 각각 바람직하게 알루미늄, 구리, 스틸 또는 전기 전도성 플라스틱을 포함하는 전기 전도성 캐리어 필름의 대향하여 배치된 표면들에 형성된다. 캐리어 필름에는 전극 재료가 없고 밀봉 및 결합제에 의해 환경에 대해 기밀성있게 밀봉된 방식으로 전기 화학 전지들을 서로 연결하는 외측 주변 가장자리가 존재한다. 양극은 스피넬 구조를 가진 티탄산 리튬(LTO)을 포함하고, 고전압 음극은 스피넬 구조를 가진 리튬 니켈 망간산염(LNMO) 또는 올리빈 구조에서 인산 리튬(LP)으로부터 형성된다. 겔 전해질의 경우 각 분리막 층이 전해질과 전기 화학 전지의 전극 사이에 존재하며, 고체 전해질의 경우 분리막 층은 존재하지 않는다.

Electrical energy storage element and its manufacturing method and manufacturing equipment

Rechargeable battery

본 발명의 일 실시예는 전극 조립체와 케이스의 전기적인 절연을 위한 부품의 개수를 줄이고, 치수 관리를 용이하게 하는 이차 전지를 제공하는 것이다. 본 발명의 일 실시예에 따른 이차 전지는, 코팅부와 무지부를 가지는 전극을 세퍼레이터의 양측에 배치하여 상기 전극과 상기 세퍼레이터를 권취하여 형성되는 전극 조립체, 상기 전극 조립체를 수용하고 무지부홀을 통하여 상기 무지부를 인출하는 절연 케이스, 상기 절연 케이스를 내장하는 케이스, 및 상기 케이스의 개구에 결합되고 상기 무지부에 연결되는 전극단자를 단자홀로 인출하는 캡 플레이트를 포함한다. SUMMARY One embodiment of the present invention is to provide a secondary battery that reduces the number of parts for electrically insulating an electrode assembly and a case and facilitates dimensional management. A secondary battery according to an embodiment of the present invention includes an electrode assembly formed by winding the electrode and the separator by arranging electrodes having a coated part and an uncoated part on both sides of a separator, and accommodating the electrode assembly and passing the uncoated part through the hole. an insulating case for drawing out an uncoated region, a case for incorporating the insulating case, and a cap plate coupled to an opening of the case and extending an electrode terminal connected to the uncoated region to a terminal hole.

Connection part for an electrochemical element having a prismatic shape

An electrochemical element (15) comprising: a) a container (16) containing a box-shaped assembly having at least one positive plate and at least one negative plate separated by a separator, the at least one positive/negative plate having a positive/negative plate head (1, 2) formed of a portion of a current collector not covered with positive/negative active material; b) a cover (6) closing an opening in the container; c) a positive/negative electrical connection part (7-1, 7-2) connecting the at least one positive/negative plate head to a positive/negative current output terminal of the element; at least one of the positive electrical connection part or the negative electrical connection part having a support (8) with a plurality of connection means (11), each connection means connecting a plate head having a given polarity to the current output terminal having a corresponding polarity.

Secondary Battery

본 발명에서는 터미널 플레이트와 절연 필름을 일체화함으로써, 부품 수 축소, 조립 공정의 간소화 및 비용 절감이 가능한 이차 전지가 개시된다. 일 예로, 전극 조립체, 상단 개구부를 통해 전극 조립체를 수용하는 케이스, 케이스의 상단 개구부에 결합되는 캡 플레이트와, 캡 플레이트의 하면에 부착되는 하부 플레이트를 포함하는 캡 조립체 및 캡 조립체 상부로 돌출되며, 전극 조립체와 전기적으로 연결된 전극 단자를 포함하고, 하부 플레이트는, 전극 단자와 전기적으로 연결되는 터미널 플레이트 및 터미널 플레이트와 캡 플레이트를 전기적으로 절연시키도록 터미널 플레이트에 적층되어 터미널 플레이트와 일체화된 절연 필름을 포함하는 이차 전지가 개시된다. In the present invention, by integrating the terminal plate and the insulating film, a secondary battery that can reduce the number of parts, simplify the assembly process and reduce the cost. For example, a cap assembly including an electrode assembly, a case accommodating the electrode assembly through the upper opening, a cap plate coupled to the upper opening of the case, and a lower plate attached to the lower surface of the cap plate, protrudes upward from the cap assembly. And an electrode terminal electrically connected with the electrode assembly, wherein the lower plate includes an insulating film integrated with the terminal plate and laminated with the terminal plate to electrically insulate the terminal plate and the terminal plate and the cap plate electrically connected to the electrode terminal. Disclosed is a secondary battery comprising.

Rechargeable battery

一种可再充电电池，包括：电极组件；容纳所述电极组件的壳体；密封所述壳体中的开口的盖板；以及在所述盖板的相对端延伸穿过所述盖板的电极端子。所述盖板包括在所述电极端子之间沿一个方向延伸的凹入部分。

Secondary Battery

본 발명에서는 멀티 탭을 갖는 전극 조립체에서 멀티 탭의 용접된 부위가 파손되는 것을 방지할 수 있는 이차 전지가 개시된다. 일 예로, 내부에 공간을 포함하는 케이스; 상기 케이스에 내장되고, 세퍼레이터를 사이에 두고 권취된 양극판 및 음극판으로부터 집전 탭이 인출된 전극 조립체; 상기 집전 탭과 전기적으로 결합되는 전극 단자; 상기 전극 조립체와 상기 전극 단자의 사이에 위치한 절연 플레이트; 및 상기 전극 단자를 노출하되, 상기 케이스를 밀봉하는 캡 플레이트를 포함하고, 상기 절연 플레이트는 상기 캡 플레이트를 향하는 면에 적어도 하나의 돌기를 포함하는 이차전지가 개시된다. In the present invention, a secondary battery capable of preventing a welded portion of a multi-tap from being damaged in an electrode assembly having a multi-tap is disclosed. For example, a case including a space therein; an electrode assembly built into the case and having a current collecting tab drawn out from a positive electrode plate and a negative electrode plate wound with a separator interposed therebetween; an electrode terminal electrically coupled to the current collecting tab; an insulating plate positioned between the electrode assembly and the electrode terminal; and a cap plate exposing the electrode terminal and sealing the case, and the insulating plate including at least one protrusion on a surface facing the cap plate.

METAL-GLASS-TYPE SEALED ROPE, USE AS TERMINAL FOR ELECTROCHEMICAL LITHIUM ACCUMULATOR, METHOD FOR PRODUCING THE SAME

La présente invention concerne une traversée (1) réalisée à travers un orifice (10) débouchant de part et d'autre d'une paroi (3) métallique, comportant un ou plusieurs pions (2) à base de métal traversant un joint (5) à base de matériau électriquement isolant fritté obturant l'orifice, le joint à base de matériau isolant fritté étant réalisé par une technique de frittage flash.

Prismatic Type Battery Cell Sealed by Polymer Resin

본 발명은, 양극, 음극 및 분리막을 포함하는 전극조립체; 상단이 개방되어 있고, 상기 전극조립체가 전해액에 함침된 상태로 내장된 장방형의 캔 본체; 및 상기 캔 본체의 상단부에 결합되어 밀봉되며, 전극조립체의 전극단자에 연결되는 캡 단자를 포함하는 탑 캡; 을 포함하고, 상기 탑 캡의 하면과 외주변에는 열가소성의 고분자 수지가 코팅되어 있으며, 상기 캔 본체와 탑 캡은 상호 접하는 외주변들 사이에서 상기 고분자 수지의 열융착에 의해 밀봉되어 있는 것을 특징으로 하는 전지셀에 관한 것이다. The present invention, an electrode assembly comprising a positive electrode, a negative electrode and a separator; a rectangular can body having an open top and having the electrode assembly impregnated with an electrolyte; and a top cap coupled to and sealed to the upper end of the can body, the top cap including a cap terminal connected to the electrode terminal of the electrode assembly; including, A thermoplastic polymer resin is coated on the lower surface and the outer periphery of the top cap, The can body and the top cap relates to a battery cell, characterized in that sealed by the thermal fusion of the polymer resin between the outer periphery in contact with each other.

Patent JPWO2021065336A1