Verfahren zur Herstellung einer Elektrodenplatte zur Verwendung in Lithium-Sekundärbatterien und Lithiumsekundärbatterie

VERFAHREN ZUM HERSTELLEN EINER LITHIUM-IONEN-SEKUNDÄRBATTERIE

Electrical storage batteries

ELECTRODES WITH INTERLACED OR POROUS STRUCTURE

Flexible thin printed battery with gelled electrolyte and method of manufacturing same

Electrical storage batteries

Electrical storage batteries and methods of making electrical storage batteries are disclosed. The electrodes (122) of the batteries each comprise a hollow core (124) of electrically conductive material which is sheathed in lead to protect the core from corrosion by the battery acid. Electrochemically active positive material or electrochemically active negative material (116) is cast onto the core. The hollow core permits fluid, gas or liquid, to be fed through the core to prevent excessive increases in battery temperature during charging and discharging.

METHOD FOR PRODUCING DRAWN COATED METALS AND USE OF SAID METALS IN THE FORM OF A CURRENT DIFFERENTIATOR FOR ELECTROCHEMICAL COMPONENTS

The present invention pertains to a process for manufacturing expanded metal provided with a coating, characterized in that the coating is applied to a closed metal foil and this is converted into expanded metal only after the coating. In particular, the coating may be a coating that improves the adhesiveness of the expanded metal to an electrode material and/or the electron conductivity on the surface of the expanded metal. Such expanded metals can be advantageously used as current collectors in or for an anode foil or in or for a cathode foil, e.g., in an electrochemical cell, especially in a battery.

Vorrichtung zur Herstellung eines Energiespeichers, der eine elektrochemische Zelle enthält.

Eine Vorrichtung (10) zur Herstellung eines Energiespeichers (5) umfasset eine Mehrzahl von Modulen, wobei die Module ein erstes Elektrodenmodul, ein zweites Elektrodenmodul und ein Stapelmodul umfassen. Der Energiespeicher umfasst eine Zelle (8), wobei die Zelle (8) einen ersten Ableiter (40), eine erste Elektrode (1), eine zweite Elektrode (2), einen zweiten Ableiter (50) und eine Trennschicht (20) enthält, wobei die Trennschicht zwischen der ersten Elektrode (1) und der zweiten Elektrode (2) angeordnet ist, wobei der erste Ableiter (40) auf einer der Trennschicht (20) gegenüberliegenden Seite der ersten Elektrode (1) angeordnet ist, wobei der zweite Ableiter (50) auf einer der Trennschicht (20) gegenüberliegenden Seite der zweiten Elektrode (2) angeordnet ist. Das erste Elektrodenmodul umfasst eine erste Siebdruckvorrichtung (41) zur Herstellung der ersten Elektrode (1) und das zweite Elektrodenmodul umfasst eine zweite Siebdruckvorrichtung (42) zur Herstellung der zweiten Elektrode ...

Electrode And Method For Manufacturing Same

The invention concerns a method for manufacturing an electrode. The method comprises the steps of: a) providing a preformed active material layer (10); and b) applying an electrically conductive material on the active material layer (10) to form a current collector layer comprising the electrically conductive material. Such a method provides a very cost-effective way to specifically defined an electrode and produce no waste too. This invention also concerns the electrode.

Total solid rechargeable battery

This invention provides a total solid rechargeable battery that can be manufactured by a method, which can realize mass production on a commercial scale, and can realize excellent rechargeable battery performance. The rechargeable battery is a total solid rechargeable battery comprising a laminate. The laminate comprises positive electrode units and negative electrode units provided alternately through an ion conductive inorganic material layer. The total solid rechargeable battery is characterized in that the positive electrode unit comprises a positive electrode active material layer provided on both sides of a positive electrode current collector layer, the negative electrode unit comprises a negative electrode active material layer provided on both sides of a negative electrode current collector layer, and (a) at least one of the positive electrode current collector layer and the negative electrode current collector layer is formed of any of Ag, Pd, Au and Pt metals, or an alloy containing ...

BIPOLAR DEVICE

METHOD FOR FORMING PATTERN, STRUCTURAL BODY, METHOD FOR PRODUCING COMB-SHAPED ELECTRODE, AND SECONDARY CELL

Aqueous ink for the printing of electrodes for lithium batteries

계면 저항 및 과-전위를 감소시키기 위한 중간층들을 포함하는 전기화학 디바이스 스택들

... 전기화학 디바이스 스택에서의 계면들 중 특정한 계면을 통하는 리튬 이온 운반과 같은 이온 운반을 촉진하기 위해 계면 저항 및 과-전위를 감소시키기 위하여, 박막 배터리들(TFB들), 일렉트로크로믹(EC) 디바이스들 등과 같은 전기화학 디바이스들에서, 전극(들)과 고체 상태 전해질 사이에 중간층들이 포함된다. 이러한 전기화학 디바이스들을 제조하기 위한 방법들 및 이러한 전기화학 디바이스들을 제조하기 위한 장비가 본원에서 개시된다.

RETICULATED AND CONTROLLED POROSITY BATTERY STRUCTURES

The effective ionic conductivity in a composite structure is believed to decrease rapidly with volume fraction. A system, such as a bipolar device or energy storage device, has structures or components in which the diffusion length or path that electrodes or ions must traverse is minimized and the interfacial area exposed to the ions or electrons is maximized. The device includes components that can be reticulated or has a reticulated interface so that an interface area can be increased. The increased interfacial perimeter increases the available sites for reaction of ionic species. Many different reticulation patterns can be used. The aspect ratio of the reticulated features can be varied. Such bipolar devices can be fabricated by a variety of methods or procedures. A bipolar device having structures of reticulated interface can be tailored for the purposes of controlling and optimizing charge and discharge kinetics. A bipolar device having graded porosity structures can have improved ...

Electrode-forming composition

METHOD FOR PRODUCING LITHIUM ION SECONDARY BATTERY

A method for producing a lithium ion secondary battery comprising step A of manufacturing a sheet-like electrode plate having a lead forming part, step B of forming a porous insulation layer containing an inorganic oxide filler and a binder intermittently on the sheet-like electrode plate except the lead forming part, step C of connecting a lead to the lead forming part, and step D of assembling a battery using the sheet-like electrode plate to which the lead is connected. The step B comprises a sub-step of coating the circumferential surface of a gravure roll with a slurry containing an inorganic oxide filler and a binder and transferring the slurry applied to the circumferential surface of the gravure roll to the surface of the sheet-like electrode plate moved by a plurality of guide rolls except the lead forming part, and a sub-step of separating the sheet-like electrode plate from the gravure roll by moving at least one roll selected from the plurality of guide rolls and the gravure ...

Flexible thin printed battery and device and method of manufacturing same

A flat, flexible electrochemical cell is provided. The within invention describes various aspects of the flat, flexible electrochemical cell. A printed anode is provided that obviates the need for a discrete anode current collector, thereby reducing the size of the battery. An advantageous electrolyte is provided that enables the use of a metallic cathode current collector, thereby improving the performance of the battery. Printable gelled electrolytes and separators are provided, enabling the construction of both co-facial and co-planar batteries. Cell contacts are provided that reduce the potential for electrolyte creepage in the flat, flexible electrochemical cells of the within invention.

Flexible thin printed battery and device and method of manufacturing same

A flat, flexible electrochemical cell is provided. The within invention describes various aspects of the flat, flexible electrochemical cell. A printed anode is provided that obviates the need for a discrete anode current collector, thereby reducing the size of the battery. An advantageous electrolyte is provided that enables the use of a metallic cathode current collector, thereby improving the performance of the battery. Printable gelled electrolytes and separators are provided, enabling the construction of both co-facial and co-planar batteries. Cell contacts are provided that reduce the potential for electrolyte creepage in the flat, flexible electrochemical cells of the within invention.

Laminate type battery and method for manufacturing the same

A laminate type battery comprises a substrate (100), a power generating element (200) which has at least one single cell (210) made by a positive electrode layer (211a), an electrolyte layer (211b) and a negative electrode layer (211c) which are sandwiched by collecting layers (212) from both sides thereof, and an electric circuit portion (300) having electrode terminals (310) which connect the collecting layers (212) to an external device and circuitries (320) which connect the collecting layers (212) and the electrode terminals (310). In the battery, the power generating element (200) and the electric circuit portion (300) are formed by stacking a plurality of layers on the substrate (100), and each of the layers is configured such that the power generating element (200) and the electric circuit portion (300) are formed by stacking the layers.

ELECTRODE/CURRENT COLLECTOR, LAMINATES FOR AN ELECTROCHEMICAL DEVICE

СПОСОБЫ И УСТРОЙСТВО ДЛЯ ИЗГОТОВЛЕНИЯ ТРЕХМЕРНЫХ БИОСОВМЕСТИМЫХ ЭЛЕМЕНТОВ ПИТАНИЯ

Предложены способ изготовления трехмерных биосовместимых элементов питания и устройство, изготовленное в соответствии с указанным способом. Область применения предложенного устройства может включать в себя различные медицинские устройства, для которых необходимы элементы питания, например, в имплантируемых устройствах. В способе изготовления трехмерного биосовместимого элемента питания формируют проводящие дорожки на трехмерных поверхностях, которые содержат две или более непараллельные плоскости, с нанесением на проводящие дорожки активных материалов элементов питания и, поверх по меньшей мере части анода и катода, электролита с последующим инкапсулированием анода, катода и электролита с использованием биосовместимого материала. Повышение безопасности, надежности, компактности, а также энергоемкости биосовместимого элемента питания является техническим результатом изобретения. 2 н. и 18 з.п. ф-лы, 5 ил., 3 табл.

ЭЛЕКТРИЧЕСКИЕ АККУМУЛЯТОРНЫЕ БАТАРЕИ

VERFAHREN ZUR HERSTELLUNG EINER ELEKTRODE FÜR EINE BATTERIE

Batteriebaugruppe und Herstellungsverfahren für selbige

Eine Batteriebaugruppe ist offenbart. Die Batteriebaugruppe kann eine erste Elektrode, die in einem ersten Substratabschnitt angeordnet ist, und eine zweite Elektrode, die in einem zweiten Substratabschnitt angeordnet ist, aufweisen. Die Batteriebaugruppe kann auch einen Klebstoff aufweisen, der den ersten Substratabschnitt an den zweiten Substratabschnitt klebt. Der Klebstoff definiert teilweise eine Kammer zwischen der ersten und zweiten Elektrode. Die Batteriebaugruppe kann auch einen Elektrolyten aufweisen, der in der Kammer zwischen der ersten und zweiten Elektrode angeordnet ist.

Managing eddy currents in storage devices

An electrical-energy storage device 1 configured for use in a time-varying electromagnetic field, the storage device 1 comprising: an electrode 6 at least part of which is configured so as to hinder the ability of eddy currents induced by said field to circulate therein. Eddy currents may be hindered by forming an electrode having discrete fingers (32, 34, figure 5), or by having a thickness below a predetermined fraction of a skin depth at a fundamental frequency.

Electrical-energy storage devices

Battery and method for the production thereof

A thin battery 300, preferably a printed battery, comprises a first substrate 301 and a second substrate 302. A cathode layer 307 and an anode layer 308 are printed on the first substrate 301 and on the second substrate 302, respectively. The binders in the cathode layer 307 and in the anode layer 308 are preferably water insoluble polymers. A separator layer 310, 311 is printed on at least one of the cathode layer 307 and the anode layer 308. The separator layer 310, 311 comprises interconnected water absorbing powders. An electrolyte layer 320 is printed on the at least one separator layer 310, 311. The electrolyte layer 320 comprises water, at least one salt, water insoluble substantially spherical particles 321 and at least one waxy material 322. The first substrate 301 is secured on the second substrate 302 in such a way that the separator layer 310, 311 and the electrolyte layer 320 are sandwiched between the cathode layer 307 and the anode layer 308.

Composite material

Managing eddy currents in storage devices

An electrical-energy storage device 1 configured for use in a time-varying electromagnetic field, the storage device 1 comprising: an electrode 6 at least part of which is configured so as to hinder the ability of eddy currents induced by said field to circulate therein. Eddy currents may be hindered by forming an electrode having discrete fingers (32, 34, figure 5), and/or by having a thickness below a predetermined fraction of a skin depth at a fundamental frequency. The device may also comprise a casing, such as a foil casing, whose thickness is less than a predetermined fraction of a skin depth at a chosen frequency. The storage device may be used in combination with an inductive power transfer system.

Electrical storage batteries

Electrical storage batteries and methods of making electrical storage batteries are disclosed. The electrodes (122) of the batteries each comprise a hollow core (124) of electrically conductive material which is sheathed in lead to protect the core from corrosion by the battery acid. Electrochemically active positive material or electrochemically active negative material (116) is cast onto the core. The hollow core permits fluid, gas or liquid, to be fed through the core to prevent excessive increases in battery temperature during charging and discharging.

FLEXIBLE THINNESS PRINTED ON BATTERY

ELECTROCHEMICALLY ACTIVABLE LAYER OR FILM

The invention relates to an electrochemically activable layer or film for use in electrochemical components. Said layer or film comprises a textile fabric and a substance which is located at least in the intermediate spaces in said textile fabric, consisting of at least one matrix containing or consisting of an organic polymer, precursors thereof or prepolymers thereof and an electrochemically activable inorganic material which is insoluble in the matrix, in the form of a solid substance. The invention also relates to layered composites and to rechargeable electrochemical cells which are constructed with layers or films of this type, and to a number of methods for producing said layers or films.

RECHARGEABLE POWER CELLS

A rechargeable power device comprises one or more supercapacitors, at least one rechargeable battery and control electronics arranged to couple the supercapacitor(s) to the at least one rechargeable battery. The rechargeable power device may be operable to rapidly recharge and provide power to electronic equipment, whilst being flexible in structure. The rechargeable power device may be integrated into a user device and/or garment.

WET METHOD FOR THE PRODUCTION OF THIN FILMS

L'invention se rapporte à un procédé de fabrication de films minces comprenant la préparation d'une solution comprenant des précurseurs d'oxyde de métaux de transition, un agent chélatant et un solvant organique polaire, le maintien de ladite solution sous agitation pour former un sol, la mise en oeuvre du sol sous forme dudit film d'oxyde de métaux de transition, caractérisé en ce que l'agent chélatant est choisi parmi les di- ou tri-acides carboxyliques aliphatiques, les sels ou les mélanges de ceux-ci, et en ce que ledit solvant organique polaire a une température d'ébullition à pression atmosphérique inférieure à 150°C.

SECONDARY BATTERY

A secondary battery exhibiting a long cycle life and comprising a negative pole activating material made of lithium or zinc is provided, the battery at least having a negative pole made of lithium or zinc serving as the negative pole activating material, an electrolyte (electrolytic solution), a separator, a positive pole made of a positive pole activating material, a collecting electrode and a battery case, wherein at least the surface of the negative pole is covered with a film having a structure which allows ions relating to the battery reactions to pass through. Since growth of dendrite of lithium or zinc at the time of the charge can be prevented, short circuit between the negative pole and the positive pole can be prevented. Therefore, the charge/discharge cycle life can significantly be lengthened. As a result, a lithium secondary battery, a nickel-zinc secondary battery, an air-zinc secondary battery, a bromine-zinc secondary battery and a silver oxide-zinc secondary battery of ...

METHOD OF PRODUCING AN ELECTRODE FOR NON-AQUEOUS ELECTROLYTIC CELLS

All-solid state battery

Interphase layer for improved lithium metal cycling

Implementations described herein generally relate to metal electrodes, more specifically, lithium-containing anodes, high performance electrochemical devices, such as secondary batteries, including the aforementioned lithium-containing electrodes, and methods for fabricating the same. In one implementation, a rechargeable battery is provided. The rechargeable battery comprises a cathode film including a lithium transition metal oxide, a separator film coupled to the cathode film and capable of conducting ions, a solid electrolyte interphase film coupled to the separator, wherein the solid electrolyte interphase film is a lithium fluoride film or a lithium carbonate film, a lithium metal film coupled to the solid electrolyte interphase film and an anode current collector coupled to the lithium metal film.

METHODS OF APPLYING PRINTABLE LITHIUM COMPOSITIONS FOR FORMING BATTERY ELECTRODES

INTERDIGITATED ELECTRODE, METHOD FOR PRODUCING SAME, AND RECHARGEABLE BATTERY

Provided are: an interdigitated electrode provided to a high-voltage and/or high-capacity rechargeable battery; a method for producing the interdigitated electrode; and a rechargeable battery containing the interdigitated electrode. This interdigitated electrode forms a comb-shaped positive electrode and negative electrode. A plurality of electrode units positioned facing each other exists in such a manner that the comb-shaped teeth of the positive electrode and negative electrode alternately mesh, and the electrode units are connected in series and/or in parallel. This method for producing the interdigitated electrode comprises: a current collector forming step in which a pair of comb-shaped current collectors (2a, 2b) are formed on the surface of a substrate (4); a resist coating step in which a resist layer (6) is formed on the surface of the substrate (4); and a guide hole forming step in which guide holes (7a, 7b) for forming the positive electrode (1a) or the negative electrode (1b ...

METHOD OF FABRICATING AN ELECTROCHEMICAL DEVICE AND THE RESULTANT DEVICE

A method (80) of manufacturing an electrochemical cell having electrodes and a separator element is disclosed. The method comprises the steps of providing (81) a mixture consisting of either an electroactive or inert material and a polymeric binder, transferring (83) the mixture into a pressure vessel, introducing (85) a gas into the pressure vessel, adjusting (87) the pressure and temperature inside of the pressure vessel such that the gas reaches a critical point at which the gas behaves like a supercritical fluid, and spraying (89) the mixture onto at least one of the current collecting substrates, electrodes and/or the separator element.

HIGH SOLIDS CONTENT PASTE FORMULATIONS FOR SECONDARY BATTERY ELECTRODE

A high solids content paste for fabrication of secondary battery electrodes may comprise: a negative active material or a positive active material; a binder; a solvent; and a hyperdispersant; wherein the high solids content paste has a specific viscosity chosen for a particular coating tool and a composition such that the high solids content paste will maintain a deposited shape after coating at least until the high solids content paste has dried and wherein the dry coating thickness is in the range of 5 microns to 300 microns. The high solids content paste with negative active material has a viscosity in the range of 30,000 cP to 45,000 cP and a corresponding density of 1.40 g/cc to 1.43 g/cc. The high solids content paste with positive active material has a viscosity in the range of 25,479 cP to 47,184 cP and a corresponding density of 2.72 g/cc to 2.73 g/cc.

Reticulated and controlled porosity battery structures

The effective ionic conductivity in a composite structure is believed to decrease rapidly with volume fraction. A system, such as a bipolar device or energy storage device, has structures or components in which the diffusion length or path that electrodes or ions must traverse is minimized and the interfacial area exposed to the ions or electrons is maximized. The device includes components that can be reticulated or has a reticulated interface so that an interface area can be increased. The increased interfacial perimeter increases the available sites for reaction of ionic species. Many different reticulation patterns can be used. The aspect ratio of the reticulated features can be varied. Such bipolar devices can be fabricated by a variety of methods or procedures. A bipolar device having structures of reticulated interface can be tailored for the purposes of controlling and optimizing charge and discharge kinetics. A bipolar device having graded porosity structures can have improved ...

METHOD FOR MANUFACTURING ALL-SOLID-STATE BATTERY

... [Problem] To lower electrical resistance by increasing the interfacial surface area and the adhesion between a current collector and an active material or an electrolyte, or between the active material and the electrolyte in an all-solid-state battery. In addition, to improve battery performance by eliminating or minimizing residual carbon originating from a binder. [Solution] According to the present invention, a slurry, composed of an electrode active material and a solvent, and a slurry, composed of electrolyte particles and a solvent, can be impacted against a target and thereby attached thereto to form a high-density layer and improve adhesion. Moreover, residual carbon is eliminated or minimized by eliminating or minimizing the content of binders, thereby improving battery performance.

PLASMA DEPOSITION ON A PARTIALLY FABRICATED BATTERY CELL THROUGH A MESH SCREEN

A plasma chamber for depositing a battery component material on a partially fabricated battery cell comprising a battery component layer containing charge-carrying metal species and having an exposed surface. The chamber comprises a support carrier to hold a battery support comprising the partially fabricated battery cell. A mesh screen is positioned at a preset distance from the support carrier, the mesh screen having a plurality of mesh openings. An exhaust maintains a pressure of the process gas in the plasma chamber. A plasma power source is capable of applying an electrical power to the process gas to generate a plasma from the process gas for plasma deposition, during which the mesh screen is capable of reducing migration of the charge-carrying metal species across the battery component layer.

METHODS FOR MANUFACTURING BATTERIES AND RELATED SYSTEMS

In one aspect, a method for manufacturing a battery includes forming a battery cell relative to a substrate using a layer-deposition sub-process, with the layer-deposition sub-process including: depositing a layer of first electrode material relative to the substrate; depositing a first layer of electrolyte material on top of the layer of first electrode material; depositing a layer of second electrode material on top of the first layer of electrolyte material; and depositing a second layer of electrolyte material on top of the layer of second electrode material. Additionally, the method includes cycling through the layer-deposition sub-process one or more additional times to form one or more additional battery cells relative to the substrate, with each additional battery cell being formed on top of a previously formed battery cell such that a battery cell stack is created relative to the substrate.

METHOD FOR PRODUCING AN ELECTRODE AND ASSOCIATED ELECTRODE FOR AN ENERGY STORAGE DEVICE

Ein Verfahren zur Herstellung einer Elektrode (1) für einen Energiespeicher mittels eines Siebdruckverfahrens umfasst mindestens zwei aufeinanderfolgende Druckschritte. In einem ersten Druckschritt wird ein erster Anteil einer Elektrodenpaste (9) auf ein Substrat (3) aufgetragen. Anschliessend wird mittels einer Pressvorrichtung (2) eine Druckkraft auf den ersten Anteil der Elektrodenpaste (9) aufgebracht, um den ersten Anteil der Elektrodenpaste zu verdichten, sodass ein verdichteter erster Anteil der Elektrodenpaste als eine erste Teilschicht (11) erhalten wird. In einem zweiten Druckschritt wird ein zweiter Anteil der Elektrodenpaste auf die erste Teilschicht (11) aufgetragen, wobei anschliessend eine Druckkraft auf den zweiten Anteil der Elektrodenpaste aufgebracht wird, um den zweiten Anteil der Elektrodenpaste zu verdichten, sodass ein verdichteter zweiter Anteil der Elektrodenpaste als eine zweite Teilschicht (12) erhalten wird.

ПЕРЕЗАРЯЖАЕМЫЙ ПОЛОЖИТЕЛЬНЫЙ ЭЛЕКТРОД

FIELD: rechargeable power supplies using active sulfur in power plate. SUBSTANCE: positive plate has mixture of 20-80 mass percent of active sulfur, 5-40 mass percent of electron conductor, and 15-75 mass percent of ion conductor. Battery cell using mentioned positive plate has also negative plate and electrolyte separator. Negative plate may contain carbon, carbon-saturated lithium or sodium, or carbon mixed up with lithium or sodium., Positive plate manufacturing process involves homogenization of mixture of active sulfur, electron and ion conductors, plate shaping from homogeneous mass, drying, and deposition of plate onto current collector. EFFECT: reduced operating temperature and improved specific power characteristics. 47 cl, 14 dwg, 21 ex 8ЗЭ9ЭДСсУЬсС ПЧ Го РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) ВИ” 2143 768 ' (51) МПК 13) Сл Н 01 М 4/60, 4/38, 10/36 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 96117113109, 03.10.1995 (24) Дата начала действия патента: 03.10.1995 (30) Приоритет: 23.11.1994 Ц$ 08/344384 07.06.1995 $ 08/479687 (46) Дата публикации: 27.12.1999 (56) Ссылки: ЕР 0602984 А, 22.06.94. СВ 2273603 А, 22.06.94. Ц$ 4143214 А, 06.03.79. 4$ 5162175 А, 10.11.92. 4$ 3532543 А, 06.10.70. ЗЧ 1691914 А\Л, 15.11.91. (85) Дата перевода заявки РСТ на национальную фазу: 23.08.96 (86) Заявка РСТ: 4$ 95/12671 (03.10.95) (87) Публикация РСТ: М/О 96/16450 (30.05.96) (98) Адрес для переписки: 125040, Москва, Ленинградский пр-т 23, "Транстехнология", Курапову Г.П. (71) Заявитель: Полиплюс Батгери Компани, Инк. (Ц$) (72) Изобретатель: Мей-Йинг Чу (ЦЗ) (73) Патентообладатель: Полиплюс Баттери Компани, Инк. (1$) (54) ПЕРЕЗАРЯЖАЕМЫЙ ПОЛОЖИТЕЛЬНЫЙ ЭЛЕКТРОД (57) Реферат: Изобретение относится к перезаряжаемым источникам тока, использующим на положительном электроде активную серу. Техническим результатом изобретения является снижение рабочей температуры и повышение удельных электрических характеристик. Согласно изобретению ...

ПЕРЕЗАРЯЖАЕМЫЕ ЭЛЕМЕНТЫ ПИТАНИЯ

Изобретение относится к области электротехники, а именно к способу изготовления перезаряжаемого устройства питания путем печати по меньшей мере одной перезаряжаемой батареи и суперконденсатора. Повышение надежности работы устройства питания является техническим результатом изобретения, который достигается за счет того, что способ предусматривает перезарядку по меньшей мере одной перезаряжаемой батареи через управляющую электронику, выполненную с возможностью подключения суперконденсатора(ов) к упомянутой по меньшей мере одной перезаряжаемой батарее, обладающей высокой удельной емкостью. Перезаряжаемое устройство питания для быстрой перезарядки и подачи питания на электронное оборудование, в соответствии с предложенным способом выполнено компактным и гибким по конструкции, и может быть встроено в устройство и/или одежду пользователя. Кроме того, отпечатанные перезаряжаемые батареи, соединенные с суперконденсаторами, обеспечивают высокую емкость. 54 з.п. ф-лы, 17 ил.

LITHIUM-SEKUNDÄRBATTERIE

VERFAHREN ZUR HERSTELLUNG EINER ELEKTRODE FÜR BATTERIE MIT NICHTWÄSSRIGEM ELEKTROLYTEN

Component for use in an energy storage device or an energy conversion device and method for the manufacture thereof

A component for use in an energy storage device or an energy conversion device has a first part including particles of a ceramic material; and a second part at least partially embedded in the first part and provided by a sheet having a plurality of through-thickness apertures. The component may be an electrode for a solid-state battery. The ceramic material may be an active electrode material. The first part may also include an ionically conductive constituent distributed between particles of the electrode material. The second part may be a sheet of electrically conductive material, for example including a metal or metal alloy. The apertures may be arranged in a grid and the second part may be provided by a woven mesh. A method of making the component may include depositing a slurry formed from combining particles of ceramic material with a liquid phase onto the sheet. After deposition the ceramic particles may be wetted with a solvent to partially solubilise them and then sintered by applying ...

PROCEDURE FOR THE PRODUCTION OF COATED EXPANDED METAL AND USE OF SUCH METALS AS CURRENT ARRESTERS IN ELECTRO-CHEMICAL ELEMENTS

FLEXIBLE THIN PRINTED BATTERY AND DEVICE AND METHOD OF MANUFACTURING SAME

Methods of preparing a microporous article

METHOD FOR PRODUCING DRAWN COATED METALS AND USE OF SAID METALS IN THE FORM OF A CURRENT DIFFERENTIATOR FOR ELECTROCHEMICAL COMPONENTS

Printing of electronic circuits and components

Secondary battery

ENERGY GENERATION FROM FABRIC ELECTROCHEMISTRY

Disclosed and described herein are systems and methods energy generation from fabric electrochemistry. An electrical cell is created when electrodes (cathodes and anodes) are 'printed' on or otherwise embedded into fabrics to generate DC power when moistened by a conductive bodily liquid such as sweat, wound, fluid, etc. The latter acts, in turn, as the cell's electrolyte. A singular piece of fabric can be configured into multiple cells by dividing regions of the fabric with hydrophobic barriers and having at least one anode-cathode set in each region. Flexible inter-connections between the cells can be used to scale the generated power, per the application requirements.

ELECTRODE FOR A RECHARGEABLE ELECTROCHEMICAL CELL USING AN ORGANIC LIQUID ELECTROLYTE, AND A PRODUCTION PROCESS

La présente invention a pour objet un générateur électrochimique rechargeable à électrolyte liquide organique dont la tension moyenne en décharge est supérieure à 3 volts, comportant au moins une électrode comprenant un collecteur de courant revêtu d'une pâte contenant la matière électrochimiquement active et un liant, caractérisé par le fait que ledit liant est un polymère partiellement salifié par un composé basique choisi parmi un hydroxyde d'ammonium quaternaire, l'hydroxyde de tétraalkylphosphonium, l'éthanolamine, la triéthanolamine, la créatinine, ledit polymère étant choisi parmi les homopolymères de l'acide acrylique, l'acide métacrylique, l'acrylamide, l'acide itaconique, l'acide sulfonique, leurs copolymères et leurs mélanges.

Thin battery and manufacturing method therefore

Reticulated and controlled porosity battery structures

人们认为在复合结构中有效的离子导电率随体积分数迅速下降。诸如双极器件或储能器件之类的系统都有这样结构或组成部分，即在该结构或组成部分中电极或离子必须横越的扩散长度或路径被最小化，而暴露在离子或电子之下的界面面积被最大化。这种器件包括网状的组成部分或有网状的界面，以致界面面积可以增大。增大的界面周长增加可用于离子物种的反应的部位。许多不同的网状物图案可以使用。网状特征的纵横比可能被改变。这样的双极器件可以用各种各样的方法或程序制造出来。有网状界面结构的双极器件可以为了控制和优化充放电动力学而进行调整。有分级的多孔结构的双极器件可以有改进的输运特性，因为控制反应动力学的扩散可以被改变。多孔性分级的电极可能是线性或非线性分级的。多孔结构的双极器件通过消除扭曲和减少扩散距离也提供改进的输运特性。

PROJECTION SYSTEM OF PARTICLES ON A SUBSTRATE, INCORPORATING A REACTOR FOR THE PRODUCTION OF THE PARTICLES TO BE PROJECTED

La présente invention se rapporte à un système (1) de projection de particules (P) sur un substrat (22), comprenant : - au moins un réacteur (2) comportant au moins une entrée de réactifs liquides (R1, R2), une zone de réaction (14), ainsi qu'une zone (18) de collecte des particules (P) produites à partir des réactifs liquides dans la zone de réaction ; - un dispositif de dispense (21) permettant de projeter les particules (P) sur le substrat (22) ; et - des moyens (26) d'acheminement des particules (P) de la zone de collecte (18) vers ledit dispositif de dispense (21).

METHOD FOR MAKING A STRUCTURE WHICH FUNCTIONS AS A POSITIVE ELECTRODE AND THE CURRENT COLLECTOR FOR AN ELECTROCHEMICAL STORAGE CELL LITHIUM-SULFUR

L'invention a trait à un procédé de préparation d'une structure faisant office, à la fois, d'électrode positive pour batterie lithium-soufre et de collecteur de courant comprenant les opérations suivantes : -dépôt d'une ou plusieurs compositions liquides comprenant les ingrédients constitutifs de cette structure sur un substrat amovible ; -séchage de la ou les compositions déposées ; -séparation du substrat amovible de la structure ainsi obtenue, laquelle constitue la structure faisant office, à la fois, d'électrode positive pour batterie lithium-soufre et de collecteur de courant. The invention relates to a process for the preparation of a structure acting as both a positive electrode for lithium-sulfur battery and a current collector comprising the following operations: deposition of one or more liquid compositions comprising the constituent ingredients of this structure on a removable substrate; drying the deposited composition (s); separation of the removable substrate from the structure thus obtained, which constitutes the structure acting as both a positive electrode for a lithium-sulfur battery and a current collector.

ELECTROCHEMICAL ELEMENT

The invention comprises an electrochemical element having at least one positive and at least one negative electrode (5, 6), the positive and the negative electrodes being arranged next to one another on a flat, electrically nonconductive substrate (1) and being connected to one another via an ionically conductive electrolyte (7). In this case, corresponding individual cells can be connected to one another by a plurality, preferably a multitude, of positive and negative electrodes being arranged next to one another in pairs on the substrate.

PROCESS FOR MANUFACTURING A STRUCTURE ACTING AS A POSITIVE ELECTRODE AND AS A CURRENT COLLECTOR FOR A LITHIUM-SULFUR ELECTROCHEMICAL ACCUMULATOR

A process for preparing a structure acting both as a positive electrode for a lithium-sulfur battery and as a current collector, comprising the following operations: depositing one or more liquid compositions comprising the constituent ingredients of this structure on a removable substrate; drying the one or more deposited compositions; separating the removable substrate from the structure thus obtained, which forms the structure acting both as a positive electrode for a lithium-sulfur battery and as a current collector. 116-. (canceled)17. A process for preparing a structure both acting as a positive electrode for a lithium-sulphur battery and a current collector comprising the following operations of:depositing one or more liquid compositions comprising the components of this structure onto a removable substrate;drying the composition(s) deposited;separating the removable substrate from the structure thus obtained, which is the structure both acting as a positive electrode for a lithium-sulphur battery and a current collector,wherein:when the structure is for being part of the composition of a lithium-sulphur accumulator operating in a “catholyte” type configuration, the depositing consists in depositing onto the removable substrate a single liquid composition comprising the components of said structure; orwhen the structure contains a sulphur active material therein, the depositing consists in depositing onto the removable substrate a single composition comprising the components of said structure, including, in this case, a sulphur active material; orwhen the structure contains a sulphur active material therein, the depositing consists in depositing onto the removable substrate a first composition comprising the components of said structure except for the sulphur active material and a second composition comprising the sulphur active material, wherein a drying can be interposed between both compositions deposited; orwhen the structure contains a sulphur active ...

Electrolyte material composition and method

The electrolyte material includes a polymer, a salt, and a solvent. The electrolyte material has a viscosity in the range from about 3.0 cP to about 20.0 cP such that the electrolyte material can be applied to a substrate using an ink jet print head.

ELECTRODE, BATTERY, AND METHOD OF MANUFACTURING THE SAME

Rechargeable lithium battery having an anode coated by a film containing a specific metal oxide material, process for the production of said anode, and process for the production of said rechargeable lithium battery

An anode (101) for a rechargeable lithium battery which comprises an anode substrate and a coat (102) disposed so as to cover at least a surface of said anode substrate opposed to said cathode (103), said coat comprising a film comprised of a metal oxide material of 1.5 or less in standard electrode potential difference with respect to lithium and capable of intercalating or deintercalating lithium ions dedicated for a battery reaction. A process for producing said anode, characterized in that said film is formed using a polyacid or a peroxo polyacid. A rechargeable lithium battery provided with said anode. ...

СПОСОБЫ И УСТРОЙСТВО ДЛЯ ИЗГОТОВЛЕНИЯ ТРЕХМЕРНЫХ БИОСОВМЕСТИМЫХ ЭЛЕМЕНТОВ ПИТАНИЯ

... 1. Способ формирования трехмерных биосовместимых элементов питания, содержащий:получение подложки, изготовленной из изолирующего материала, причем такая подложка имеет трехмерную поверхность;формирование двух или более проводящих дорожек на трехмерной поверхности;нанесение химической композиции анода по меньшей мере на часть одной из проводящих дорожек для образования анода;нанесение химической композиции катода по меньшей мере на часть другой из проводящих дорожек для образования катода;нанесение электролита поверх по меньшей мере части анода и катода; иинкапсулирование анода, катода и электролита с использованием биосовместимого материала для образования трехмерного биосовместимого элемента питания.2. Способ по п. 1, в котором трехмерная поверхность содержит две или более непараллельные плоскости.3. Способ по п. 1, дополнительно содержащий придание шероховатости по меньшей мере части трехмерной поверхности.4. Способ по п. 1, дополнительно содержащий нанесение покрытия по меньшей мере ...

КРАСКА НА ВОДНОЙ ОСНОВЕ ДЛЯ ПЕЧАТИ ЭЛЕКТРОДОВ ДЛЯ ЛИТИЕВЫХ БАТАРЕЙ

1. Краска на водной основе для образования электродов путем печати, содержащая по меньшей мере один активный электродный материал и по меньшей мере один водорастворимый или вододиспергируемый проводящий полимер, причем упомянутый полимер образован по меньшей мере сочетанием PEDOT/PSS, вязкость которого составляет в диапазоне между 20 и 100 дПа∙с.2. Краска на водной основе по п. 1, отличающаяся тем, что активный электродный материал выбран из группы, содержащей LiFePO, LiCoO, LiTiO, Cгр, Si, SiC, LiNiCoAlOс x+y+z=1.3. Краска на водной основе по п. 1, отличающаяся тем, что вязкость водорастворимого или вододиспергируемого проводящего полимера составляет порядка 60 дПа∙с.4. Краска на водной основе по п. 2, отличающаяся тем, что вязкость водорастворимого или вододиспергируемого проводящего полимера составляет порядка 60 дПа∙с.5. Краска на водной основе по любому из пп. 1-4, отличающаяся тем, что вязкость краски на водной основе составляет в диапазоне между 0,1 Па∙с и 25 Па∙с, а еще более предпочтительно - между 0,5 и 15 Па∙с.6. Краска на водной основе по любому из пп. 1-4, отличающаяся тем, что количество активного электродного материала составляет между 25 и 50% от веса краски на водной основе, более предпочтительно - между 40 и 50%.7. Краска на водной основе по п. 5, отличающаяся тем, что количество активного электродного материала составляет между 25 и 50% от веса краски на водной основе, более предпочтительно - между 40 и 50%.8. Краска на водной основе по любому из пп. 1-4 и 7, отличающаяся тем, что количество водорастворимого или вододиспергируемого проводящего полимера составляет в диапазоне между 1,5 и 4% от веса краски на водной основе, более предпочтительно - между 1,5 и 2,5%.9. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2013 108 107 (13) A (51) МПК H01M 4/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (71) Заявитель(и): КОММИССАРИАТ А Л'ЭНЕРЖИ АТОМИК Э О ЭНЕРЖИ АЛЬТЕРНАТИВ (FR) (21)(22) Заявка: 2013108107/04, 22.07.2011 ...

Composite material

A composite material comprises: a matrix that is formed by matrix particles that comprise an electrode active material; and ionically conductive fraction that is formed by ionically conductive particles that are distributed among the matrix particles; and an electronically conductive fraction that is distributed among the matrix particles: wherein the ionically conductive particles have a D90 value that is at least 10% of the D50 value of the matrix particles. The electronically conductive fraction may comprise filaments or needles. The matrix particles may have a D50 value of at least 0.1 µm. A method for the formation of the composite material is also disclosed. The method comprises the steps of: providing a quantity of ionically conductive particles, a quantity of electronically conductive particles and a quantity of matrix particles, the matrix particles comprising an electrode active material; preparing an ink formulation comprising the matrix particles, the ionically conductive particles ...

RE+RECHARGEABLE POSTITIVELEKTRODE

Energy generation from fabric electrochemistry

Disclosed and described herein are systems and methods energy generation from fabric electrochemistry. An electrical cell is created when electrodes (cathodes and anodes) are 'printed' on or otherwise embedded into fabrics to generate DC power when moistened by a conductive bodily liquid such as sweat, wound, fluid, etc. The latter acts, in turn, as the cell's electrolyte. A singular piece of fabric can be configured into multiple cells by dividing regions of the fabric with hydrophobic barriers and having at least one anode-cathode set in each region. Flexible inter-connections between the cells can be used to scale the generated power, per the application requirements.

Mesoporous electrodes for electrochemical devices and their production

METHOD FOR PRODUCING DRAWN COATED METALS AND USE OF SAID METALS IN THE FORM OF A CURRENT DIFFERENTIATOR FOR ELECTROCHEMICAL COMPONENTS

The invention relates to a method for producing coated drawn metal. The inventive method is characterised in that the coating is applied to a closed metal foil which is transferred to a drawn metal after the coating process only. In particular, the coating can be embodied in such a way that it improves the adhesion of said drawn metal to electrode material and/or the surface electronic conductivity thereof. The inventive drawn metals are successfully used in the form of current derivators in/for an anode foil or in/or a cathode foil, for example for an electrochemical cell, in particular for a storage battery.

ELECTRICAL STORAGE BATTERIES

Electrical storage batteries and methods of making electrical storage batteries are disclosed. The electrodes (122) of the batteries each comprise a hollow core (124) of electrically conductive material which is sheathed in lead to protect the core from corrosion by the battery acid. Electrochemically active positive material or electrochemically active negative material (116) is cast onto the core. The hollow core permits fluid, gas or liquid, to be fed through the core to prevent excessive increases in battery temperature during charging and discharging.

RETICULATED AND CONTROLLED POROSITY BATTERY STRUCTURES

An energy storage device comprises a first electrode, a second electrode, a first current collector in electronic communication with the first electrode, a second current collector in electronic communication with the second electrode, and an electrolyte in ionic communication with the first and second electrodes. The first electrode includes a portion having an average porosity and an ionically interconnected porosity that increases in a direction from the current collector with which the electrode is in electrical communication toward the other electrode or current collector to define a porosity gradient. The porosity at each extreme of the gradient is at least 10% different from the average porosity.

Negative electrode for lithium secondary battery, method for manufacturing the same and lithium secondary battery

CURRENT COLLECTOR FOR LITHIUM BATTERY

Ce collecteur de courant pour accumulateur électrochimique au lithium comprendt une mousse viscoélastique associée à un film polymérique conducteur électrique. This current collector for lithium electrochemical accumulator comprises a viscoelastic foam associated with an electrically conductive polymeric film.

ELECTRODE OF REFILLABLE ELECTROCHEMICAL GENERATOR HAS ORGANIC LIQUID ELECTROLYTE AND ITS MANUFACTORING PROCESS

패턴 형성 방법, 구조체, 빗형 전극의 제조 방법 및 이차 전지

단시간에 동일 또는 상이한 패턴 재료로 이루어지는 복수 개의 패턴을 지지체 상에 형성 가능한 패턴 형성 방법, 이 방법으로 형성되는 패턴을 구비하는 구조체, 상기 방법을 사용한 빗형 전극의 제조 방법, 및 이 방법으로 제조된 빗형 전극을 갖는 이차 전지를 제공한다. 본 발명에 관련된 패턴 형성 방법은, n 개 (n 은 2 이상의 정수) 의 패턴을 지지체 상에 형성하는 것이며, 지지체의 표면에 1 번째의 레지스트층을 형성시키고, k 번째 (k 는 1 ∼ (n － 1) 의 정수) 의 패턴 재료 및 레지스트층에 대해서, k ＝ 1 ∼ (n － 1) 의 순서로, 노광 및 현상에 의한 전체 레지스트층을 관통하는 가이드 구멍의 형성, 스크린 인쇄법에 의한 가이드 구멍에 대한 k 번째의 패턴 재료의 충전, 및 k 번째의 레지스트층 및 패턴 재료 상에 대한 (k ＋ 1) 번째의 레지스트층의 형성을 반복하고, 가이드 구멍의 형성 및 n 번째의 패턴 재료의 충전을 동일하게 실시하고, 전체 레지스트층을 제거하는 것을 포함한다. A method of forming a pattern capable of forming a plurality of patterns of the same or different pattern materials in a short time on a support, a structure having a pattern formed by the method, a method of manufacturing a comb electrode using the method, and a comb- A secondary battery having an electrode is provided. A pattern forming method according to the present invention is a pattern forming method in which n (n is an integer of 2 or more) patterns are formed on a support and a first resist layer is formed on the surface of a support, 1 to (n-1)) in the order of k = 1 to (n - 1) with respect to the pattern material and the resist layer of the resist pattern Filling of the k-th pattern material with respect to the hole and formation of the (k + 1) -th resist layer on the k-th resist layer and the pattern material are repeated to form the guide hole and charge the n-th pattern material , And removing the entire resist layer.

ELECTRODE FOR A SECONDARY BATTERY FOR REALIZING A THIN BATTERY BY FORMING AN ACTIVE MATERIAL LAYER WITHOUT THE THICKNESS DEVIATION, A MANUFACTURING METHOD THEREOF, AND A SECONDARY BATTERY EMPLOYING THE SAME

PURPOSE: An electrode for a secondary battery is provided to improve the capacity of electrode and cycle of a battery by improving the uniformity of an active material layer through the printing of low point ink. CONSTITUTION: An electrode for a secondary battery comprises a current collector(10) and an active material layer formed by printing and drying ink(11) having the viscosity of 500 mPa · s on the current collector. The surface roughness Ra the current collector is 0.025-1.0 micron. The thickness the active material layer is 0.1-10 micron. The current collector is surface-treated with UV or the plasma. © KIPO 2009 ...

METHODS AND APPARATUS TO FORM THREE-DIMENSIONAL BIOCOMPATIBLE ENERGIZATION ELEMENTS

METHOD FOR MANUFACTURING NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY CELL

A method for manufacturing a negative electrode for a non-aqueous electrolyte secondary cell, which comprises forming a resist pattern having a great number of openings (12c) on one surface of a negative electrode (10) having an active material layer (2) containing an element having high ability to form a lithium compound, and then removing exposed regions through openings (12c) by etching, to form a great number of through holes (5) extending in the thickness direction into the active material layer (2), wherein the above resist pattern is formed by a lithography method or a printing method. The above method can be suitably used for forming through holes having a desired size with a desired arrangement pattern with ease, in a negative electrode for a non-aqueous electrolyte cell.

METHOD OF PRODUCING AN ELECTRODE FOR NON-AQUEOUS ELECTROLYTIC CELLS

A method of producing an electrode for non-aqueous electrolytic cells by applying, into the collectors, an electrode-activating substance which comprises an activating substance, scaly graphite and a binder characterized in that, after the step of pulverizing the graphite two or more times, the graphite is mixed with the activating substance and then pulverized. The method provides an electrode exhibiting good charge/discharge characteristics such as discharge capacity and charge/discharge cycle life and having improved physical properties.

Secondary battery

A secondary battery exhibiting a long cycle life and comprising a negative pole activating material made of lithium or zinc is provided, the battery at least having a negative pole made of lithium or zinc serving as the negative pole activating material, an electrolyte (electrolytic solution), a separator, a positive pole made of a positive pole activating material, a collecting electrode and a battery case, wherein at least the surface of the negative pole is covered with a film having a structure which allows ions relating to the battery reactions to pass through. Since growth of dendrite of lithium or zinc at the time of the charge can be prevented, short circuit between the negative pole and the positive pole can be prevented. Therefore, the charge/discharge cycle life can significantly be lengthened. As a result, a lithium secondary battery, a nickel-zinc secondary battery, an air-zinc secondary battery, a bromine-zinc secondary battery and a silver oxide-zinc secondary battery of ...

Composite separator and electrode

An electrode and separator composite comprises a separator and an electrode embedded in a polymer matrix. Application of an electrode slurry to a polymer coated separator and subsequent drying in a solvent enriched atmosphere forms a secondary battery structure characterized by a seamless composite structure.

Filtration media and methods of preparation

Provided are methods of preparing filtration media in which a microporous layer is coated on a temporary carrier substrate and a porous substrate is then laminated to the microporous layer, after or prior to removing the temporary carrier substrate from the microporous layer. Preferably, the microporous layer comprises one or more microporous xerogel layers. Also provided are filtration media prepared by such methods.

NANOSILICON MATERIAL PREPARATION FOR FUNCTIONALIZED GROUP IVA PARTICLE FRAMEWORKS

Functionalized Group IVA particles, methods of preparing the Group IVA particles, and methods of using the Group IVA particles are provided. The Group IVA particles may be passivated with at least one layer of material covering at least a portion of the particle. The layer of material may be a covalently bonded non-dielectric layer of material. The Group IVA particles may be used in various technologies, including lithium ion batteries and photovoltaic cells.

CERAMIC/POLYMER MATRIX FOR ELECTRODE PROTECTION IN ELECTROCHEMICAL CELLS, INCLUDING RECHARGEABLE LITHIUM BATTERIES

Articles and methods for forming ceramic/polymer composite structures for electrode protection in electrochemical cells, including rechargeable lithium batteries, are presented. 1. An electrode for an electrochemical cell , comprising:a base layer comprising an active electrode species; anda protective structure including at least a first composite layer comprising a patterned array of cavities within a matrix, wherein a polymer or a ceramic material forms the matrix, and the other of the polymer or ceramic material fills at least a portion of the cavities,{'sup': '-7', 'wherein the protective structure has an average ionic conductivity of at least 10S/cm.'}2. The electrode of claim 1 , comprising a second composite layer.3. A method of fabricating a protected electrode claim 1 , the method comprising:forming a base layer comprising an active electrode species attached to a protective structure, wherein the protective structure is formed by:positioning on a substrate at least one layer of a matrix comprising a polymer or a ceramic material, the matrix comprising a patterned array of cavities;filling at least a portion of the cavities with the other of the polymer or the ceramic material to form a composite layer,{'sup': '−7', 'wherein the composite layer has an average ionic conductivity of at least 10S/cm.'}4. The electrode of claim 2 , wherein the second composite layer is directly adjacent the first composite layer.5. The electrode of claim 2 , wherein a continuous ceramic material layer is positioned between the first and second composite layers.6. The electrode of claim 1 , wherein the protective structure is impervious to an electrolyte to be used with the electrochemical cell.7. The electrode of claim 1 , wherein the patterned array comprises repeat units.8. The electrode of claim 1 , wherein a gel layer is positioned adjacent the first composite layer on a side opposite the base layer.9. The electrode of claim 2 , wherein the cavities in the second composite ...

ПЕРЕЗАРЯЖАЕМЫЕ ЭЛЕМЕНТЫ ПИТАНИЯ

Methods of preparing electrochemical cells

PRINTABLE LITHIUM COMPOSITIONS FOR FORMING BATTERY ELECTRODES

A method for depositing lithium on a substrate to form an electrode is provided. The method includes applying a printable lithium composition comprised of lithium metal powder, a polymer binder compatible with the lithium metal powder, a rheology modifier compatible with the lithium metal powder and a solvent compatible with the lithium metal powder and with the polymer binder, to a substrate.

Flexible Thin Printed Battery and Device and Method of Manufacturing Same

A flat, flexible electrochemical cell is provided. The within invention describes various aspects of the flat, flexible electrochemical cell. A printed anode is provided that obviates the need for a discrete anode current collector, thereby reducing the size of the battery. An advantageous electrolyte is provided that enables the use of a metallic cathode current collector, thereby improving the performance of the battery. Printable gelled electrolytes and separators are provided, enabling the construction of both co-facial and co-planar batteries. Cell contacts are provided that reduce the potential for electrolyte creepage in the flat, flexible electrochemical cells of the within invention.

Lithium ion battery and method for manufacturing of such battery

The present invention provides an electrochemical cell comprising an anodic current collector in contact with an anode. A cathodic current collector is in contact with a cathode. A solid electrolyte thin-film separates the anode and the cathode.

BATTERY AND METHOD OF CONSTRUCTING A BATTERY

A battery and a method of constructing a battery are disclosed in which a first conductive substrate portion has a first face and a second conductive substrate portion has a second face opposed to the first face. A first electrode material is disposed in electrical contact with the first face, an electrolyte material is disposed in contact with the first electrode material, a second electrode material is disposed in contact with the electrolyte material, and a conductive tab disposed in contact with the second electrode material. The first conductive substrate portion, the first electrode material, and the conductive tab extend outward beyond a particular edge of the second conductive substrate portion. 1. A battery , comprising:a first conductive substrate portion having a first face and a second conductive substrate portion having a second face opposed to the first face;a first electrode material disposed in electrical contact with the first face;an electrolyte material disposed in contact with the first electrode material;a second electrode material disposed in contact with the electrolyte material; anda conductive tab disposed in contact with the second electrode material;wherein the first conductive substrate portion, the first electrode material, and the conductive tab extend outward beyond a particular edge of the second conductive substrate portion.2. The battery of claim 1 , wherein the first and second conductive substrate portions are integral with one another and a fold portion is disposed therebetween.3. The battery of claim 2 , wherein the electrolyte material is disposed between layers of the first electrode material.4. The battery of claim 1 , wherein the first and second conductive substrate portions are discrete elements.5. The battery of claim 1 , further including an adhesive disposed between the first and second faces for securing the first face to the second face and wherein the first electrode material is disposed in electrical contact with ...

Solvent-free electrochemical cells with conductive pressure sensitive adhesives attaching current collectors

Provided are electrochemical cells and methods of manufacturing these cells. An electrochemical cell comprises a positive electrode and an electrolyte layer, printed over the positive electrode. In some examples, each of the positive electrode, electrolyte layer, and negative electrode comprises an ionic liquid enabling ionic transfer. The negative electrode comprises a negative active material layer (e.g., comprising zinc), printed over and directly interfacing the electrolyte layer. The negative electrode also comprises a negative current collector (e.g., copper foil) and a conductive pressure sensitive adhesive layer. The conductive pressure sensitive adhesive layer is disposed between and adhered to, directly interfaces, and provides electronic conductivity between the negative active material layer and the negative current collector. In some examples, the conductive pressure sensitive adhesive layer comprises carbon and/or metal particles (e.g., nickel, copper, indium, and/or silver). Furthermore, the conductive pressure sensitive adhesive layer may comprise an acrylic polymer, encapsulating these particles.

METAL OXIDE COMPOSITE AND METHOD OF PREPARING THE SAME

A metal oxide composite including a first metal oxide composite layer, and a second metal oxide layer, wherein the first metal oxide composite layer and the second metal oxide layer are alternately stacked in a thickness direction; and a third metal oxide layer that is disposed on a side surface of the stacked structure, wherein the third metal oxide layer includes a metal oxide that is a same metal oxide as a metal oxide included in the stacked structure. 2. The metal oxide composite of claim 1 , wherein the side surface intersects the first metal oxide composite layer and the second metal oxide layer.3. The metal oxide composite of claim 2 , wherein the side surface of the stack structure comprises a first side surface and an opposite second side surface claim 2 , andwherein the third metal oxide layer is disposed on the first side surface and the second side surface.4. The metal oxide composite of claim 1 ,wherein the third metal oxide layer is disposed on a first end surface of the stacked structure and on a second end surface of the stacked structure,wherein the third metal oxide layer is disposed on a first side surface of the stacked structure and on an opposite second side surface of the stacked structure, andwherein the first side surface and the second side surface each intersect the first metal oxide composite layer and the second metal oxide layer.5. The metal oxide composite of claim 1 , wherein the third metal oxide layer completely surrounds the stacked structure.6. The metal oxide composite of claim 1 , wherein a thickness of the third metal oxide layer is about 50 micrometers or less.7. The metal oxide composite of claim 1 , wherein the first metal oxide composite layer comprisesa current collector layer; andan electrode layer that is disposed on a surface of the current collector layer.8. The metal oxide composite of claim 7 , wherein the electrode layer comprises a first electrode layer and a second electrode layer claim 7 , andwherein the current ...

All-solid-state battery and manufacturing method therefor

The present invention relates to an all-solid-state battery and a manufacturing method thereof. An all-solid-state battery according to an embodiment of the present invention includes: a positive electrode positioned on a positive electrode current collector; a negative electrode positioned on a negative electrode current collector; and a solid-state electrolyte layer positioned between the positive electrode and the negative electrode, wherein the positive electrode includes a positive electrode active material and a solid-state electrolyte, and concentrations of the positive electrode active material and the solid-state electrolyte have a stepwise concentration gradient in which the concentration of the positive electrode active material to the solid-state electrolyte decreases from a side closer to the positive electrode current collector toward a side closer to the solid-state electrolyte layer.

COMPOSITE MATERIAL

A composite material for use as an electrode of an electrochemical cell comprises: a matrix that is provided by matrix particles that comprise an electrode active material; and a conductive fraction that is both electronically-conductive and ionically-conductive, the conductive fraction being provided by conductive particles that are distributed among the matrix particles. The conductive particles comprise either a material that is both ionically- and electronically-conductive; or a mixture of ionically-conductive particles and electronically-conductive particles, the electronically-conductive particles having a sphericity of at least 0.6. The conductive particles have a D90 value that is at least 10% of the D50 value of the matrix particles.

Titanium dioxide nano particle modified by surface stabilizer, titanium dioxide nano ink comprising the same, solar cell employing the same, and producing method of the same

Disclosed are a titanium dioxide nano ink having such a strong dispersibility as to be applicable by inkjet printing and having adequate viscosity without requiring printing several times, and a titanium dioxide nano particle modified by a surface stabilizer included therein. Inkjet printing of the titanium dioxide nano ink enables printing of a minute electrode. In addition, efficiency of a solar cell may be maximized since occurrence of pattern cracking is minimized.

Rechargeable Power Cells

A rechargeable power device comprises one or more supercapacitors, at least one rechargeable battery and control electronics arranged to couple the supercapacitor(s) to the at least one rechargeable battery. The rechargeable power device may be operable to rapidly recharge and provide power to electronic equipment, whilst being flexible in structure. The rechargeable power device may be integrated into a user device and/or garment.

SYSTEM FOR SPRAYING PARTICLES ONTO A SUBSTRATE, COMPRISING A REACTOR FOR PRODUCING THE PARTICLES TO BE SPRAYED

A system for spraying particles onto a substrate, including: at least one reactor including at least one inlet for liquid reagents, a reaction zone, and a zone for collection of the particles produced from the liquid reagents in the reaction zone; a dispensing device allowing the particles to be sprayed onto the substrate; and a mechanism guiding the particles from the collection zone towards the dispensing device. 111-. (canceled)12. A system for spraying particles onto a substrate , comprising:at least one reactor comprising at least one inlet for liquid reagents, a reaction zone, and a zone for collection of the particles produced from the liquid reagents in the reaction zone;a dispensing device allowing the particles to be sprayed onto the substrate;means for guiding the particles from the collection zone towards the dispensing device;a collector of the particles;a collector of additive elements;a zone for mixing the particles and the additive elements;a nozzle for spraying a mixture of the particles and the additive elements.13. A system according to claim 12 , wherein the reactor is a microfluidic reactor claim 12 , comprising plates made from silica claim 12 , silicon claim 12 , glass claim 12 , ceramic claim 12 , polymer or plastic having etched channels claim 12 , or comprising capillary tubes communicating with each other.14. A system according to claim 12 , wherein the dispensing device further comprises a mixing member or ultrasound probe arranged in the zone for mixing.15. A system as claimed in claim 12 , wherein a portion downstream from the zone for mixing forms a buffer zone.16. A system as claimed in claim 12 , comprising plural reactors.17. A system as claimed in claim 12 , configured to carry out at least one battery component.18. A system as claimed in claim 12 , as a machine of additive manufacturing configured to carry out via 3D printing of at least two adjacent battery components claim 12 , or a collector and an electrode formed on the ...

METHODS FOR MAKING CONFORMATIONAL CONDUCTIVE COATED MATERIALS

The disclosure provides a method for conformationally conductively coating materials, the coated materials resulting therefrom, and the use of the coated materials for various applications, including in Li-ion batteries. 1. A method to generate a conformational conductive coating on particles comprising the steps of:adding a plurality of particles to a solution comprising an organic polymer dissolved in one or more solvents;incubating the particles in the solution until a coating of the organic polymer forms on the surface of the particles;isolating the organic polymer-coated particles; andpyrolyzing the organic polymer-coated particles in an inert and/or reducing atmosphere at 200° C. to 800° C. for 1 to 24 hours so that the organic polymer coating anneals and decomposes to form a conformal carbon coating that is electrically conductive on the surface of the particles that is 0.5 nm to 10 nm in thickness,wherein the particles are nano- to micron-sized particles that are comprised of an insulating material used for anodes or cathodes.2. The method of claim 1 , wherein the one or more solvents comprise a polar protic solvent.3. The method of claim 1 , wherein the organic polymer is selected from the group consisting of poly(vinyl alcohol) claim 1 , polyethylene claim 1 , poly(butyl methacrylate) claim 1 , poly(α-methylstyrene) claim 1 , polyethylene glycols claim 1 , polystyrene claim 1 , polypropylene claim 1 , polytetrafluoroethylene claim 1 , polychlorotrifluoroethylene claim 1 , para-aramid claim 1 , polychloroprene claim 1 , polyamide claim 1 , polyacrylonitrile claim 1 , copolyamid claim 1 , polytetrafluroethylene claim 1 , polyimide claim 1 , aromatic polyester claim 1 , poly-p-phenylene-2 claim 1 ,6-benzobisoxazole claim 1 , poly-4-vinylphenol claim 1 , poly(2 claim 1 ,6-diphenylphenylene oxide) claim 1 , poly(3 claim 1 ,4-ethylenedioxythiphene) claim 1 , poly(hexamethylene carbonate) claim 1 , poly(hydridocarbyne) claim 1 , poly(methacrylic acid) claim 1 , ...

Film electrode, resin layer forming ink, inorganic layer forming ink, and electrode printing apparatus

A disclosed film electrode includes an electrode base, and an active material layer formed on the electrode base, and a resin layer adhering to at least one of a peripheral portion of the active material layer and a surface of the active material layer in a direction extending along a plane of the electrode base.

Cathode material composition and methods of preparing and applying

A cathode material comprising an active material, a carbon material, a binder polymer, a lithium salt, and a solvent. The cathode material has a viscosity in the range from about from about 3.0 to about 30.0 cP such that the cathode material can be applied to a surface using an ink jet print head. An anode base material includes from about 50% to about 85% by weight of metallic lithium particles substantially free from other metals and from about 15% to about 50% by weight of a solvent. The anode base material has a viscosity such that the anode base material can be extruded.

MULTILAYER ELECTRODES AND SOLID ELECTROLYTES

Multilayer electrodes and/or solid electrolytes having an OIPC cover material, and solvent-free methods for preparing the multilayers, as well as solid-state full batteries having the multilayers are disclosed. 2. The multilayer according to claim 1 , wherein the OIPC comprises a cation selected from:{'sub': 4', '4', '3, 'sup': +', '+', '+, 'claim-text': {'sub': 1', '30', '1', '6', '2', '30', '2', '6', '2', '30', '2', '6, 'claim-text': wherein the alkyl, alkenyl or alkynyl groups may be unsubstituted or substituted with halogen or hydroxyl;', 'and wherein the alkyl, alkenyl or alkynyl groups may be branched or linear; or, 'wherein each R is independently hydrogen; a C-C, preferably C-Calkyl group; a C-C, preferably C-Calkenyl group; or a C-C, preferably C-Calkynyl group;'}, 'a) an ammonium cation (NR), a phosphonium cation (PR), or a sulfonium cation (SR)'}b) a heterocycle which bears a positive charge at any of its heteroatoms.4. The multilayer according to claim 1 , wherein the OIPC is present in an amount of more than 50% by weight with respect to the total weight of the cover material.5. The multilayer according to claim 4 , wherein the OIPC is present in an amount of more than 90% by weight with respect to the total weight of the cover material.6. The multilayer according to claim 1 , wherein the cover material further comprises at least one additional component selected from ionic liquids claim 1 , polymers claim 1 , dopants and inorganic fillers.7. The multilayer according to claim 5 , wherein the cover material consists of the OIPC.8. The multilayer according to claim 1 , wherein the cover material comprises no polymer.9. The multilayer according to claim 1 , wherein the cover material comprises no solvent.10. The multilayer according to claim 1 , wherein the anode is selected from Na claim 1 , Li claim 1 , Zn claim 1 , Mg claim 1 , Al claim 1 , and alloys thereof; Si-based anodes; or hexagonally or rhombohedrally packed carbon materials.11. The multilayer ...

Method for Manufacturing Transparent Electrode Film

Provided herein is a method for forming a transparent electrode film, the method comprising forming an electrode pattern by printing an electrode pattern on a release film using a metal ink composition; forming an insulating layer by applying a curable resin on the release film on which the electrode pattern has been formed; forming a substrate layer by laminating a substrate on the insulating layer; removing the release film; and forming a conductive layer by applying a conductive material on the electrode pattern from which the release film has been removed. 1. A method for producing a transparent electrode film , the method comprising:forming an electrode pattern by printing an electrode pattern on a release film using a metal ink composition;forming an insulating layer by applying a curable resin on the release film on which the electrode pattern has been formed;forming a substrate layer by laminating a substrate on the insulating layer;removing the release film; andforming a conductive layer by applying a conductive material on the electrode pattern from which the release film has been removed.2. The method according to claim 1 ,wherein the release film is formed by applying a silicon-based or acryl-based releasing agent on a thermo-resistant film.3. The method according to claim 1 ,wherein the metal ink composition comprises at least one of a metal complex compound, metal precursor, spherical metal particles, metal plate and metal nano particles.4. The method according to claim 1 ,wherein the electrode pattern is printed on a surface of the release film by a gravure printing method, flexo printing method, offset printing method, reverse offset printing method, dispensing, screen printing method, rotary screen printing method, or inkjet printing method.5. The method according to claim 1 ,wherein the forming an insulating layer includes applying the curable resin on entire surface of the release film on which the electrode pattern has been formed such that ...

Methods and apparatus to form three-dimensional biocompatible energization elements

Methods and apparatus to form three-dimensional biocompatible energization elements are described. In some embodiments, the methods and apparatus to form the three-dimensional biocompatible energization elements involve forming conductive traces on the three-dimensional surfaces and depositing active elements of the energization elements on the conductive traces. The active elements are sealed with a biocompatible material. In some embodiments, a field of use for the methods and apparatus may include any biocompatible device or product that requires energization elements.

METHOD FOR MANUFACTURING ALL-SOLID-STATE BATTERY

To lower electrical resistance by increasing the interfacial surface area and the adhesion between a current collector and an active material or an electrolyte, or between the active material and the electrolyte in an all-solid-state battery. In addition, to improve battery performance by eliminating or minimizing residual carbon originating from a binder. A slurry, composed of an electrode active material and a solvent, and a slurry, composed of electrolyte particles and a solvent, can be impacted against a target and thereby attached thereto to form a high-density layer and improve adhesion. Moreover, residual carbon is eliminated or minimized by eliminating or minimizing the content of binders, thereby improving battery performance. 17-. (canceled)8. A method for manufacturing a storage battery , comprising applying and laminating different electrode slurries by independent heads in order to form an electrode on an object.9. The method of claim 8 , wherein at least one of the different slurries is a slurry containing different particles.10. The method of claim 8 , wherein the different slurries comprise a slurry containing mainly an active material or containing mainly an active material claim 8 , and a slurry containing a conductive agent or containing mainly a conductive agent.11. The method of claim 8 , wherein a base material is heated to between 30 and 150° C. when the slurries are applied.12. The method of claim 8 , wherein the applying is performed by spraying or pulsed spraying.13. The method of claim 11 , wherein at least one of the heads coverts the slurries filled into holes of a perforated cylindrical body or a perforated seamless belt that rotates in a direction of movement of the base material claim 11 , or the slurries filled into a plurality of grooves formed in a rotatable wide roll to particles and apply the particles by compressed gas or liquefied gas.14. The method of claim 11 , wherein at least one of the slurries is applied and laminated by ...

GLASS-CERAMIC, LITHIUM ION CONDUCTOR, BATTERY, ELECTRONIC DEVICE, AND METHOD FOR PRODUCING ELECTRODE

A glass-ceramic includes an oxide containing lithium (Li), silicon (Si), and boron (B) and has an X-ray diffraction spectrum with two or more peaks appearing in the range 20°≦2θ≦25° and with two or more peaks appearing in the range 25°<2θ≦30°. 1. A glass-ceramic comprising an oxide containing lithium (Li) , silicon (Si) , and boron (B) ,the glass-ceramic having an X-ray diffraction spectrum with at least two peaks appearing in the range 20°≦2θ≦25° and with at least two peaks appearing in the range 25°<2θ≦30°.2. The glass-ceramic according to claim 1 , whereinthe oxide includes at least 69 mol % of an oxide of the lithium (Li),{'sup': −1', '−1, 'the glass-ceramic having a Raman spectrum with a peak X appearing in the Raman shift region of 920 cmto 940 cmand with a peak Y appearing in the Raman shift region of 820 cm to 850 cm and also having a ratio X/Y of an area intensity of the peak X to an area intensity of the peak Y of at least 2.0.'}3. The glass-ceramic according to claim 1 , whereinthe oxide includes 50 mol % to less than 69 mol % of an oxide of the lithium (Li),{'sup': −1', '−1, 'the glass-ceramic having a Raman spectrum with peaks appearing in the Raman shift region of 500 cmto 1,000 cm, wherein the peaks include a main peak with a full width at half maximum of 20 or more.'}4. The glass-ceramic according to claim 1 , which has a Li nuclear spin-lattice relaxation time of at most 6 seconds as measured by a nuclear magnetic resonance method.5. The glass-ceramic according claim 1 , whereinthe oxide comprises an oxide of the lithium (Li), an oxide of the silicon (Si), and an oxide of the boron (B),the content of the oxide of the lithium (Li) is from 40 mol % to 73 mol % based on the total amount of the oxide of the lithium, the oxide of the silicon (Si), and the oxide of the boron (B),the content of the oxide of the silicon (Si) is from 8 mol % to 40 mol % based on the total amount of the oxide of the lithium, the oxide of the silicon (Si), and the oxide of the ...

Method for forming pattern, structural body, method for producing comb-shaped electrode, and secondary cell

A method for forming a pattern multiple patterns of identical or different pattern materials can be formed on a support in a short time, a structural body, a method for producing a comb-shaped electrode, and a secondary cell. The pattern forming method, in which n patterns (n≧2) are formed on a support, includes forming a first resist layer on the support surface; repeating: forming a guide hole through all resist layers by exposure and development, filling a kth pattern material into the guide hole by a screen printing process, and forming a (k+1)th resist layer on the kth resist layer and the pattern materials, regarding kth (k=1 to n−1) pattern material and resist layer in order of k=1 to n−1; performing guide hole formation and nth pattern material filling similarly, and removing all of the resist layers.

ELECTRODE-FORMING COMPOSITION

The present invention pertains to a solvent based electrode-forming composition which comprises at least one vinylidene fluoride (VDF) polymer and a graphene oxide with an oxygen content of no more than 25 wt % dispersed in an organic solvent, wherein the VDF polymer comprises recurring units derived from vinylidene fluoride (VDF) and from at least one (meth)acrylic monomer (MA) having formula (I) here below: wherein: —R, Rand R, equal to or different from each other, are independently selected from a hydrogen atom and a C-Chydrocarbon group, and —Ris a hydrogen atom or a C-Chydrocarbon moiety comprising at least one hydroxyl group. The present invention further relates to a process for manufacturing said electrode-forming composition, and the use thereof for manufacturing an electrode of secondary lithium batteries. 2. The composition according to claim 1 , wherein the graphene oxide has an oxygen content of 0.5 to 21% by weight.3. The composition according to claim 1 , further comprising at least one active electrode material.4. The composition according to claim 1 , wherein the active electrode material is selected from the group consisting of active cathode compounds.5. The composition according to claim 5 , wherein the active electrode material is selected from the group consisting of LiCoO claim 5 , LiNiO claim 5 , LiMnOLiNiCoO claim 5 , LiCoAlO claim 5 , LiMnO claim 5 , LiFePOand Li(FeMn)PO claim 5 , wherein 0 Подробнее

ALL SOLID STATE SECONDARY BATTERY

This is to provide an all solid state secondary battery which can be produced by an industrially employable method capable of mass-production and has excellent secondary battery characteristics. 1. A process for preparing an all solid state secondary battery which comprises the following steps of (1) to (4):(1) a step of preparing a positive-electrode paste containing calcined powder of a positive active material, a negative-electrode paste containing calcined powder of a negative active material, an ion-conductive inorganic-material paste containing calcined powder of an ion-conductive inorganic-material, a positive-electrode collector paste containing powder of a positive-electrode collector and a negative-electrode collector paste containing powder of a negative-electrode collector;(2) a step of preparing a positive-electrode unit by coating pastes on a substrate in the order of the ion-conductive inorganic-material paste, the positive-electrode paste, the positive-electrode collector paste and the positive-electrode paste, after drying them, and peeling the substrate, and preparing a negative-electrode unit by coating pastes on a substrate in the order of the ion-conductive inorganic-material paste, the negative-electrode paste, the negative-electrode collector paste and the negative-electrode paste, after drying them, and peeling the substrate;(3) a step of obtaining a laminated block by alternately laminating the positive-electrode unit and the negative-electrode unit so that the positive-electrode paste layer of the positive-electrode unit and the negative-electrode paste layer of the negative-electrode unit are not in contact with each other, and the positive-electrode collector paste layer and the negative-electrode collector paste layer are each projected to different portions of the end surfaces of the laminated block; and(4) a step of obtaining a laminated material by subjecting the laminated block to co-firing.2. A process for preparing an all solid ...

ROTARY SCREEN PLATE AND METHOD OF MANUFACTURING SECONDARY BATTERY

A rotary screen plate that is a cylindrical body including a plurality of injection holes through which electrode mixture paste is injected to a collector from inside the cylindrical body in an outer peripheral surface of the cylindrical body. The rotary screen plate includes a projection that projects outwardly of the cylindrical body further than another part of the outer peripheral surface on the outer peripheral surface of the cylindrical body. The projection creates a moderate gap between the collector and the outer peripheral surface and thus even the electrode mixture paste with a high content of powder and high viscosity can sufficiently spread over the part of the outer peripheral surface of the rotary screen plate other than the injection holes The electrode mixture paste can be applied to the collector with a uniform film thickness. 1. A rotary screen plate that is a cylindrical body including , in an outer peripheral surface of the cylindrical body , a plurality of injection holes through which printing paste is injected to a printed substrate from inside the cylindrical body , the rotary screen plate being electroformed , the rotary screen plate comprising:a projection that projects outwardly of the cylindrical body further than another part of the outer peripheral surface on the outer peripheral surface of the cylindrical body, whereinthe rotary screen plate is a mesh having a shape of the cylindrical body, andwhen the projection is formed at an intersection of wires constituting the mesh, a gap is formed between a part other than the intersection and the outer peripheral surface of the rotary screen plate.2. A rotary screen plate that is a cylindrical body including , in an outer peripheral surface of the cylindrical body , a plurality of injection holes through which electrode mixture paste is injected to a collector from inside the cylindrical body , the rotary screen plate being electroformed , the rotary screen plate comprising:a projection that ...

Wet Method for the Production of Thin Films

A method produces thin films. The method includes preparing a solution containing transition metal oxide precursors, a chelating agent, and a polar organic solvent. The solution is agitated to form a sol. The sol is used in the form of the transition metal oxide film. The chelating agent is selected from among di- or tri-aliphatic carboxylic acids, or salts or mixtures thereof. The polar organic solvent has a boiling temperature at atmospheric pressure of less than 150° C. 28. A method for manufacturing transition metal oxide films of formula AMO , in which:A is an alkali metal, A advantageously being chosen from the group consisting of Li, Na and K, or their mixtures;M is a metal or a mixture of metals chosen from the transition metals, M preferably being a transition metal or a mixture of transition metals chosen from the elements of columns 3 to 12 of the periodic table, M advantageously being chosen from the group consisting of Co, Ni, Mn, Fe, Cu, Ti, Cr, V and Zn, and their mixtures;O is oxygen; anda, b and d are real numbers higher than 0 and are chosen so as to ensure electroneutrality, said method comprising the following steps:(A) preparing a solution comprising one or more, preferably two or more than two, precursors containing one or more of the elements A, M and O, a chelating agent and a polar organic solvent having a boiling point at atmospheric pressure below 150° C.;(B) forming a sol by stirring said solution; and(C) implementing the sol in the form of said transition metal oxide film,wherein the chelating agent is chosen from aliphatic dicarboxylic acids comprising 2 to 20 carbon atoms and salts or mixtures thereof, or the chelating agent is a mixture between at least one carboxylic diacid such as defined above and at least one aliphatic tricarboxylic acid comprising 2 to 20 carbon atoms and salts or mixtures thereof, the proportion of said at least one tricarboxylic acid being lower than 30 mol % relative to the total molar amount of said at least ...

METHODS OF APPLYING PRINTABLE LITHIUM COMPOSITIONS FOR FORMING BATTERY ELECTRODES

A method for depositing lithium on a substrate to form an electrode is provided. The method includes applying a printable lithium composition comprised of lithium metal powder, a polymer binder compatible with the lithium metal powder, a rheology modifier compatible with the lithium metal powder and a solvent compatible with the lithium metal powder and with the polymer binder, to a substrate. 1. A method for depositing lithium on a substrate to form an electrode comprisingapplying a printable lithium composition comprised on a solution basis of 5 to 50 percent of lithium metal powder, 0.1 to 20 percent of a polymer binder compatible with the lithium metal powder, 0.1 to 30 percent of a rheology modifier compatible with the lithium metal powder and 50 to 95 percent of a nonpolar solvent compatible with the lithium metal powder and with the polymer binder, to a substrate.2. The method of claim 1 , wherein applying the printable lithium composition to the substrate comprises printing the printable lithium composition onto the substrate with a slot die print head.3. The method of further including loading the printable lithium composition to the print head.4. The method of further includingloading the printable lithium composition into a cartridge,loading the cartridge into a dispenser attached to a slot die print head, andmounting the slot die head onto a printer for printing the printable lithium composition onto the substrate.5. The method of claim 1 , wherein applying the printable lithium composition to the substrate comprises extruding the printable lithium composition onto the substrate.6. The method of claim 5 , wherein extruding the printable lithium composition onto the substrate comprises inserting the printable lithium composition into an extruder and extruding the printable lithium composition out of a nozzle.7. The method of claim 5 , wherein extruding the printable lithium composition onto the substrate comprises extruding the printable lithium ...

ELECTRODE-FORMING COMPOSITION

The invention pertains to an aqueous electrode-forming composition comprising:—at least one fluoropolymer [polymer (F)];—particles of at least one powdery active electrode material [particles (P)], said particles (P) comprising a core of an active electrode compound [compound (E)] and an outer layer of a metallic compound [compound (M)] different from Lithium, said outer layer at least partially surrounding said core; and—water, to a process for its manufacture, to a process for manufacturing an electrode structure using the same, to an electrode structure made from the same and to an electrochemical device comprising said electrode structure. 1. An aqueous electrode-forming composition comprising:at least one polymer (F), wherein polymer (F) is a fluoropolymer;particles of at least one powdery active electrode material (P), said particles (P) comprising a core of an active electrode compound (E) and an outer layer of a metallic compound (M) different from Lithium, said outer layer at least partially surrounding said core; andwater.2. The aqueous electrode-forming composition of claim 1 , wherein polymer (F) is a vinylidene fluoride (VDF) polymer comprising:(a′) at least 50% by moles of recurring units derived from vinylidene fluoride (VDF);(b′) optionally from 0.1 to 20% by moles of a fluorinated monomer different from VDF; and(c′) optionally from 0.1 to 10%, by moles, based on the total amount of monomers (a′) and (b′), of one or more hydrogenated monomer(s).4. The aqueous electrode-forming composition of claim 1 , wherein compound (E) is selected from the group consisting of active cathode compounds (E+).5. The aqueous electrode-forming composition of claim 4 , wherein compound (E+) is selected from the group consisting of:{'sub': '2', 'composite metal chalcogenides represented by a general formula of LiMY, wherein M denotes one or more than one transition metal, including Co, Ni, Fe, Mn, Cr and V; and Y denotes a chalcogen, including O and S; and'}{'sub': 4', 'f ...

A Method Forming a Graphene Oxide-Reduced Graphene Oxide Junction

A method including a deposition step comprising depositing a layer of graphene oxide; a deposition step including selectively exposing a region of the deposited graphene oxide layer to electromagnetic radiation to form a region of reduced graphene oxide adjacent to a neighbouring region of unexposed graphene oxide, the graphene oxide and adjacent reduced graphene oxide regions forming a junction therebetween to produce a graphene oxide-reduced graphene oxide junction layer; and repeating the deposition and exposure steps for one or more further respective layers of graphene oxide, over an underlying graphene oxide-reduced graphene oxide junction layer, to produce an apparatus in which the respective junctions of the graphene oxide-reduced graphene oxide layers, when considered together, extend in the third dimension. 1. A method comprising:a deposition step comprising depositing a layer of graphene oxide;an exposure step comprising selectively exposing a region of the deposited graphene oxide layer to electromagnetic radiation to form a region of reduced graphene oxide adjacent to a neighbouring region of unexposed graphene oxide, the graphene oxide and adjacent reduced graphene oxide regions forming a junction therebetween to produce a graphene oxide-reduced graphene oxide junction layer; andrepeating the deposition and exposure steps for one or more further respective layers of graphene oxide, over an underlying graphene oxide-reduced graphene oxide junction layer, to produce an apparatus in which the respective junctions of the graphene oxide-reduced graphene oxide layers, when considered together, extend in the third dimension.2. The method of claim 1 , wherein the deposition and exposure steps are repeated to provide one or more junctions in the respective layers which overlie a junction in the underlying graphene oxide-reduced graphene oxide junction layer.3. The method of claim 1 , wherein the deposition and exposure steps are repeated to provide one or more ...

NANOSILICON MATERIAL PREPARATION FOR FUNCTIONALIZED GROUP IVA PARTICLE FRAMEWORKS

Functionalized Group IVA particles, methods of preparing the Group IVA particles, and methods of using the Group IVA particles are provided. The Group IVA particles may be passivated with at least one layer of material covering at least a portion of the particle. The layer of material may be a covalently bonded non-dielectric layer of material. The Group IVA particles may be used in various technologies, including lithium ion batteries and photovoltaic cells. 1. A method of preparing a surface-modified nanoparticle having a core material comprising silicon , germanium , tin , or combination thereof , and an outer surface modified with one or more surface-modifying agents , the method comprising: (i) one or more surface-modifying agents;', '(ii) optionally one or more alkane solvents; and', '(iii) optionally one or more lithium-containing reagents;, 'comminuting micrometer-sized or nanometer-sized silicon-containing materials, optionally under anaerobic conditions, in the presence of'}to provide a slurry of surface-modified nanoparticles.2. The method of claim 1 , further comprising:recovering the surface-modified nanoparticles from the slurry, or using the slurry directly to manufacture a dispersion useful for manufacturing electrode films.3. The method of claim 1 , wherein the one or more alkane solvents are each independently selected from n-heptane claim 1 , heptanes claim 1 , hexanes claim 1 , and C-Chydrocarbon solvents.4. The method of claim 1 , wherein the comminuting of step (a) is performed in a bead mill with beads having a diameter of 0.05 mm to 0.6 mm.5. The method of claim 1 , wherein the comminuting of step (a) is performed in a bead mill with a tip speed of equal to or greater than 6 meters/second.6. The method of claim 1 , wherein the micrometer-sized or nanometer-sized silicon-containing materials of step (a) are comminuted in the presence of one or more lithium-containing reagents independently selected from lithium metal claim 1 , alkyllithium ...

Electrochemical device stacks including interlayers for reducing interfacial resistance and over-potential

Interlayers are included between electrode(s) and solid state electrolyte in electrochemical devices such as thin film batteries (TFBs), electrochromic (EC) devices, etc., Second Electrode in order to reduce the interfacial resistance and over-potential for promoting ion transport, such as lithium ion transport, through certain of the interfaces in the electrochemical device stack. Methods of manufacturing these electrochemical devices, and equipment for the same, are disclosed herein.

BATTERY CELL HAVING A STRUCTURED ACTIVE MATERIAL

The invention relates to a battery cell, in particular a lithium ion battery cell, having a cathode () comprising a cathode active material () and having an anode () comprising an anode active material (), wherein the cathode active material () and/or the anode active material () is/are structured in such a way that between contiguous cathode active material regions () and/or between contiguous anode active material regions () there are hollow spaces () which spatially separate the contiguous cathode active material regions () and/or the contiguous anode active material regions () from one another and wherein the hollow spaces () are at least partly filled with an electrically insulating material (). 133331111333111333111433311145aaaa. A battery cell , in particular lithium ion battery cell , having a cathode () comprising a cathode active material () and having an anode () comprising an anode active material () , characterized in that the cathode active material () and/or the anode active material () is/are structured in such a way that between contiguous cathode active material regions () and/or between contiguous anode active material regions () there are hollow spaces () which spatially separate the contiguous cathode active material regions () and/or the contiguous anode active material regions () from one another and in that the hollow spaces () are at least partly filled with an electrically insulating material ().25. The battery cell as claimed in claim 1 , characterized in that the electrically insulating material () is a polyethylene terephthalate claim 1 , a polyimide claim 1 , a polyether ether ketone or a polypropylene.3333111aa. The battery cell as claimed in either of the preceding claims claim 1 , characterized in that the contiguous cathode active material regions () and/or the contiguous anode active material regions () have a repeating outline.4111333aa. The battery cell as claimed in claim 3 , characterized in that the repeating outline is ...

BATTERY ASSEMBLY AND METHOD OF MANUFACTURING THE SAME

A battery assembly is disclosed. The battery assembly can include a first electrode disposed in a first substrate section and a second electrode disposed in a second substrate section. The battery assembly can also include an adhesive that bonds the first substrate section to the second substrate section. The adhesive partially defines a chamber between the first and second electrodes. The battery assembly can also include an electrolyte disposed in the chamber between the first and second electrodes. 1. A battery assembly comprising:a first electrode disposed in a first substrate section;a second electrode disposed in a second substrate section;an adhesive that bonds the first substrate section to the second substrate section, the adhesive partially defining a chamber between the first and second electrodes; andan electrolyte disposed in the chamber between the first and second electrodes.2. The battery assembly of claim 1 , further comprising a first current collector configured to collect current from the first electrode and a second current collector configured to collect current from the second electrode.3. The battery assembly of claim 2 , wherein the first current collector comprises a first terminal and the second current collector comprises a second terminal claim 2 , the first and second terminals configured to connect to an electronic device.4. The battery assembly of claim 1 , wherein the first substrate section is formed on a flexible substrate.5. The battery assembly of claim 1 , wherein the first and second substrate sections comprise respective portions of a single substrate claim 1 , wherein the single substrate is folded between the first and second substrate sections.6. The battery assembly of claim 1 , wherein the first substrate section forms part of a first substrate and the second substrate section forms part of a separate second substrate.7. The battery assembly of claim 6 , further comprises a via extending through the first and second ...

Laser patterned thin film battery

A thin film battery may include a substrate; with a cathode current collector layer an anode current collector layer, a cathode layer, an electrolyte layer, and an anode layer, wherein a portion of an anode contact area of the anode current collector is not covered by the anode layer, and wherein an electrically insulating buffer area in the electrolyte layer, for electrically isolating the laser cut edge of the cathode layer adjacent to the contact area of the cathode current collector from the laser cut edge of the anode layer, is not covered by the anode layer, the electrically insulating buffer area being between the contact area of the cathode current collector layer and the anode layer, Methods and apparatus for forming thin film batteries are also described herein.

HIGH SURFACE AREA POROUS CARBON MATERIALS AS ELECTRODES

Embodiments of the present disclosure pertain to an electrode that includes: a porous carbon material; a metal (e.g., Li) associated with the porous carbon material; and a conductive additive (e.g., graphene nanoribbons) associated with the porous carbon material. The metal may be in the form of a non-dendritic or non-mossy coating on a surface of the porous carbon material. The electrodes may also be associated with a substrate, such as a copper foil. The electrodes may be utilized as anodes or cathodes in energy storage devices, such as lithium ion batteries. Additional embodiments pertain to energy storage devices that contain the electrodes of the present disclosure. Further embodiments pertain to methods of making the electrodes by associating porous carbon materials with a conductive additive, a metal, and optionally a substrate. The electrode may then be incorporated as a component of an energy storage device. 154-. (canceled)55. An energy-storage device comprising:an anode; anda cathode; a conductive substrate;', 'a layer of porous carbon material particles on the conductive substrate, the layer of the porous carbon material particles having a surface of a surface area greater than 2,000 square meters per gram; and', 'a metal film on the surface., 'at least one of the anode and the cathode including an electrode having56. The energy-storage device of claim 55 , wherein the metal film consists essentially of lithium.57. The energy-storage device of claim 56 , wherein the lithium has a lithium mass claim 56 , the layer of the porous carbon material particles has a carbon mass claim 56 , and the ratio of the lithium mass to the carbon mass is at least one-to-two.58. The energy-storage device of claim 55 , wherein the metal film is uniform.59. The energy-storage device of claim 55 , wherein the porous carbon material of the particles is selected from the group consisting of asphalt-based porous carbon materials claim 55 , asphaltene-based porous carbon materials ...

Current Collector For A Lithium Battery

This current collector for a lithium electrochemical accumulator includes an electronically-insulating viscoelastic foam associated with an electroconductive polymer film. 1. A current collector for an electrochemical lithium accumulator constituted of an electronically-insulating viscoelastic foam associated with an electroconductive polymer film.2. The current collector of claim 1 , wherein the electroconductive polymer film comprises electrically-conductive particles.3. The current collector of claim 1 , wherein the polymer film comprises conductive particles dispersed in a polymer or in a resin.4. The current collector of claim 2 , wherein the particles are selected from the group consisting of carbon black claim 2 , metal particles claim 2 , and carbon nanotubes.5. The current collector of claim 1 , wherein the polymer film comprises a polymer selected from the group consisting of polyamides claim 1 , polycarbonates claim 1 , polyamide-imides claim 1 , and polyether-imides.6. The current collector of claim 1 , wherein the conductive polymer film comprises a thermosetting resin selected from the group consisting of saturated or unsaturated polyesters claim 1 , vinylesters claim 1 , epoxies claim 1 , polyurethanes claim 1 , polyureas claim 1 , polyimides claim 1 , and bismaleimides.7. The current collector of claim 1 , wherein the viscoelastic foam is based on a material selected from the group consisting of polyurethanes claim 1 , polyolefins claim 1 , polyvinylidene fluoride claim 1 , and mixtures thereof.8. The current collector of claim 1 , wherein the polymer film comprises at its periphery a non-electroconductive area.9. The current collector of claim 1 , wherein the viscoelastic foam has a resilience rate in the range from 5 to 100% at a temperature in the range from −60° C. to +100° C.10. The current collector of claim 1 , wherein the viscoelastic foam has a density in the range from 0.5 to 2 at a temperature in the range from −60° C. to +100° C.11. A ...

NANOSILICON MATERIAL PREPARATION FOR FUNCTIONALIZED GROUP IVA PARTICLE FRAMEWORKS

Functionalized Group IVA particles, methods of preparing the Group IVA particles, and methods of using the Group IVA particles are provided. The Group IVA particles may be passivated with at least one layer of material covering at least a portion of the particle. The layer of material may be a covalently bonded non-dielectric layer of material. The Group IVA particles may be used in various technologies, including lithium ion batteries and photovoltaic cells. 1. A surface-modified nanoparticle , comprising:a core material comprising silicon, germanium, tin, or a combination thereof; andan outer surface modified with one or more surface-modifying agents;wherein the outer surface of the nanoparticle is substantially free of silicon oxide species, as characterized by X-ray photoelectron spectroscopy (XPS).2. The surface-modified nanoparticle of claim 1 , wherein the outer surface of the nanoparticle has a SiOcontent of less than or equal to 1% claim 1 , as characterized by X-ray photoelectron spectroscopy (XPS) claim 1 , wherein x is ≦2.3. The surface-modified nanoparticle of claim 1 , wherein the core material further comprises:one or more elements used for p-type semiconductor doping, the elements independently selected from boron, aluminum, and gallium;one or more elements used for n-type semiconductor doping, the elements independently selected from nitrogen, phosphorous, arsenic, and antimony;one or more elements found in metallurgical silicon, the elements independently selected from aluminum, calcium, titanium, iron, and copper;one or more conductive metals independently selected from aluminum, nickel, iron, copper, molybdenum, zinc, silver, and gold;or any combination thereof.4. The surface-modified particle of claim 1 , wherein the core material is free of p-type and n-type semiconductor doping elements.5. The surface-modified nanoparticle of claim 1 , wherein the core material comprises a silicon/tin alloy claim 1 , a silicon/germanium alloy claim 1 , a ...

Electrode with porous binder coating layer, method for manufacturing the same, and lithium secondary battery comprising the same

An electrode with a porous binder coating layer may be manufactured in a method including (S 10 ) a step of preparing the electrode including an active material layer formed on at least one surface of a current collector; (S 20 ) a step of acquiring a binder emulsion by adding a binder to a dispersion medium; and (S 30 ) a step of coating the binder emulsion acquired at the step (S 20 ) on a surface of the active material layer of the electrode in a screen printing method using a mesh to form a binder coating layer of a porous structure.

INTERPHASE LAYER FOR IMPROVED LITHIUM METAL CYCLING

Implementations described herein generally relate to metal electrodes, more specifically, lithium-containing anodes, high performance electrochemical devices, such as secondary batteries, including the aforementioned lithium-containing electrodes, and methods for fabricating the same. In one implementation, a rechargeable battery is provided. The rechargeable battery comprises a cathode film including a lithium transition metal oxide, a separator film coupled to the cathode film and capable of conducting ions, a solid electrolyte interphase film coupled to the separator, wherein the solid electrolyte interphase film is a lithium fluoride film or a lithium carbonate film, a lithium metal film coupled to the solid electrolyte interphase film and an anode current collector coupled to the lithium metal film. 1. An energy storage device , comprising:a cathode film including a lithium transition metal oxide;a separator film coupled to the cathode film and capable of conducting ions;a solid electrolyte interphase film coupled to the separator, wherein the solid electrolyte interphase film is a lithium fluoride film or a lithium carbonate film;a lithium metal film coupled to the solid electrolyte interphase film; andan anode current collector coupled to the lithium metal film.2. The energy storage device of claim 1 , wherein the solid electrolyte interphase film has a thickness between about 10 nanometers and about 20 nanometers.3. The energy storage device of claim 1 , further comprising a cathode current collector coupled to the cathode film.4. The energy storage device of claim 1 , wherein the solid electrolyte interphase film is deposited by a physical vapor deposition process.5. The energy storage device of claim 1 , wherein the solid electrolyte interphase film is deposited on the lithium metal film prior to an initial charge.6. The energy storage device of claim 1 , wherein the solid electrolyte interphase film is a lithium fluoride film.7. The energy storage device ...

BIPOLAR LITHIUM-ION BATTERY

The invention relates to a bipolar lithium-ion battery comprising n electrochemical cells (C, C, C) connected in series, n being an integer greater than or equal to 2. Each cell comprises a positive electrode (P, P, P), a current collector () supporting the positive electrode, a negative electrode (N, N, N), a current collector () supporting the negative electrode, and an electrolyte placed between each pair of positive and negative electrodes. In said battery, a so-called “common” current collector () from each cell is integral with the current collector from an adjacent cell, the common current collector () supporting an electrode of each polarity, and at least the n−1 common current collectors are made of a material formed of carbon fibers. 1: A bipolar lithium-ion battery comprising n electrochemical cells connected in series , n being an integer higher than or equal to 2 , each electrochemical cell comprising:a positive electrode,a current collector carrying the positive electrode,a negative electrode,a current collector carrying the negative electrode,an electrolyte disposed between each pair of positive and negative electrodes,n−1 current collectors, called common current collectors, each one made as a single piece with the current collector of an adjacent cell, the common current collectors carrying an electrode of each polarity, the n−1 comprising a material comprising carbon fibres,a shell receiving all the electrochemical cells and defining for each of them a compartment being tight with respect to the compartments of the other electrochemical cells, said compartments being flexible.2: The bipolar battery according to claim 1 , wherein all the current collectors comprise carbon fibres.3: The bipolar battery according to claim 1 , wherein the n−1 common collectors comprise a negative electrode zone with a surface area at least equal to the surface area of the negative electrode claim 1 , a positive electrode zone with a surface area at least equal to the ...

Low tortuosity electrodes and electrolytes, and methods of their manufacture

A method of making three-dimensional solid-state electrodes includes the steps of: providing a slurry of one or more active materials, a pore former and/or a solvent, a binder, and a conductive additive; casting the slurry to form a three-dimensional film; and drying, and removing the pore former from, the three-dimensional film to produce a three-dimensional structure characterized by a substantial number of pores having low tortuosity and having their longitudinal axes extend in substantially the same direction between upper and lower surfaces of the film.

Flexible batteries

A flexible battery and method of manufacturing thereof are provided. An example flexible battery may include a first current collector comprising a first copper plate, an anode layer disposed on the first current collector, a second current collector comprising a second copper plate, a cathode layer disposed on the second current collector, and a separator layer comprising a polymer material. The anode layer may comprise a composite of thermoplastics, silver powder, and potassium hydrogen carbonate. The cathode layer may comprise a composite of thermoplastics and a freshly prepared zinc hydroxide. The separator layer can be impregnated with an electrolyte comprising an aqueous solution of potassium hydroxide, lithium hydroxide, potassium zincate, and modifying additives. The modifying additives may include a monobasic organic acid, a dibasic organic acid, and a tribasic organic acid as anion donors, and one or more complexones as cation electron acceptors.

Electrode for lithium ion secondary battery, lithium ion secondary battery using same, and method for producing such lithium ion secondary battery

Disclosed is an electrode for lithium ion secondary batteries which is composed of an active material layer containing active material particles and a porous insulating layer formed on the surface of the active material layer. The porous insulating layer is composed of an inorganic filler and a resin binder, and the surface of the active material layer has a first region on which the porous insulating layer is formed and a second region on which the porous insulating layer is not formed. By using such an electrode, a lithium ion secondary battery can have a high capacity, excellent characteristics and improved safety.

用于锂离子二次电池的电极、使用该电极的锂离子二次电池、和所述电池的制备方法

本发明公开了一种用于锂离子二次电池的电极，所述电极包括含有活性材料颗粒的活性材料层和形成于所述活性材料层表面上的多孔绝缘层。所述多孔绝缘层包括无机填料和树脂粘合剂，并且所述活性材料层的表面具有其上形成有所述多孔绝缘层的第一区域和其上未形成有所述多孔绝缘层的第二区域。通过使用所述电极，锂离子二次电池可以具有高的容量，优异的特性以及改善的安全性。

用于锂离子二次电池的电极,使用该电极的锂离子二次电池,和所述电池的制备方法

本发明公开了一种用于锂离子二次电池的电极，所述电极包括含有活性材料颗粒的活性材料层和形成于所述活性材料层表面上的多孔绝缘层。所述多孔绝缘层包括无机填料和树脂粘合剂，并且所述活性材料层的表面具有其上形成有所述多孔绝缘层的第一区域和其上未形成有所述多孔绝缘层的第二区域。通过使用所述电极，锂离子二次电池可以具有高的容量，优异的特性以及改善的安全性。

Lithium metal composite electrodes and manufacturing method thereof

본 실시예들은, 리튬 금속 복합전극 및 이의 제조방법에 관한 것이다. 일 실시예에 따르면, 리튬 금속층, 및 상기 리튬 금속층 상에 위치하는 고체 전해질 계면층을 포함하고, 상기 고체 전해질 계면층은 기능성 가교 고분자 단량체 및 이온 전도성 가교 고분자 단량체로 이루어진 공중합체를 포함하는 리튬 금속 복합전극을 제공할 수 있다. The present embodiments relate to a lithium metal composite electrode and a method for manufacturing the same. According to one embodiment, a lithium metal layer and a solid electrolyte interfacial layer positioned on the lithium metal layer, wherein the solid electrolyte interfacial layer is a lithium metal comprising a copolymer composed of a functional crosslinked polymer monomer and an ion conductive crosslinked polymer monomer A composite electrode may be provided.

Method for producing lithium ion secondary battery

리드형성부를 구비한 시트형상 극판을 제작하는 공정 A, 시트형상 극판의 표면에 리드형성부를 제외하고 간헐적으로 무기산화물 필러 및 결착제를 함유한 다공질 절연층을 형성하는 공정 B, 리드형성부에 리드를 접속하는 공정 C, 및 리드가 접속된 시트형상 극판을 이용하여 전지를 조립하는 공정 D를 포함한 리튬이온 2차전지의 제조방법에 있어서, 공정 B는, 무기산화물 필러 및 결착제를 함유한 슬러리를 그라비아 롤의 둘레면에 도포하고, 복수의 안내 롤에 의해 이송되고 있는 시트형상 극판의 리드형성부를 제외한 표면에, 그라비아 롤의 둘레면에 도포된 슬러리를 전사하는 공정과, 리드형성부에 있어서, 복수의 안내 롤 및 그라비아 롤로부터 선택되는 적어도 1개를 이동시킴으로써, 시트형상 극판을 그라비아 롤로부터 떼어놓는 공정을 포함한다. Process A of manufacturing sheet-like electrode plate with lead forming part, process B of forming porous porous layer containing inorganic oxide filler and binder intermittently except lead forming part on the surface of sheet-like electrode plate, lead forming part In the method for producing a lithium ion secondary battery comprising a step C for connecting a battery and a step D for assembling a battery using a sheet-like electrode plate to which a lead is connected, the step B is a slurry containing an inorganic oxide filler and a binder. Is applied to the circumferential surface of the gravure roll, and the process of transferring the slurry coated on the circumferential surface of the gravure roll to the surface except for the lead forming portion of the sheet-like electrode plate being conveyed by the plurality of guide rolls, And removing the sheet-like electrode plate from the gravure roll by moving at least one selected from a plurality of guide rolls and a gravure roll.

Multilayer battery manufacturing equipment

Bipolar device

상보적 구조에서 효과적인 이온 전도성은 부피 분률을 갖고 빠르게 감소되도록 한다. 2극 장치 또는 에너지 저장 장치 등의 시스템은 확산 길이 또는 통로가 최소화되고 이온 또는 전자에 노출된 경계 영역이 최대화되는 전극 또는 이온이 선회해야 하는 구조 또는 구성요소를 갖는다. 장치는 경계 영역이 증가될 수 있도록 망상 경계면을 갖거나 망상화 될 수 있는 구성요소를 포함한다. 증가된 경계 주연부는 이온 종류의 반응에 대해 이용가능한 지점을 증가한다. 많은 상이한 망상 패턴은 이용될 수 있다. 망상 구조의 종횡비는 변화될 수 있다. 이러한 2극 장치는 다양한 방법 또는 절차에 의해 제조될 수 있다. 망상화된 경계면의 구조를 갖는 2극 장치는 대전 및 방전 운동을 제어하고 최적화하기 위해서 제조될 수 있다. 분류된 다공성 구조를 갖는 2극 장치는 반응 운동을 제어하는 확산이 변형될 수 있으므로 향상된 수송 특성을 가질 수 있다. 분류된 다공성 전극은 선형이거나 비선형으로 분류될 수 있다. 천공된 구조를 갖는 2극 장치는 또한 비틀림을 제거하고 확산 거리를 감소함으로써 향상된 수송 특성을 제공한다. Effective ionic conductivity in complementary structures allows for a rapid decrease with a volume fraction. Systems, such as dipole devices or energy storage devices, have structures or components in which electrodes or ions must be pivoted such that the diffusion length or passage is minimized and the boundary region exposed to ions or electrons is maximized. The device includes components that may or may be reticulated with a mesh interface such that the boundary area can be increased. The increased boundary periphery increases the point available for the reaction of ionic species. Many different reticular patterns can be used. The aspect ratio of the network structure can be varied. Such bipolar devices can be manufactured by various methods or procedures. Bipolar devices having a meshed interface structure can be manufactured to control and optimize charge and discharge motion. Bipolar devices having a sorted porous structure can have improved transport properties since the diffusion that controls the reaction kinetics can be modified. Classified porous electrodes can be classified as linear or nonlinear. Dipole devices having a perforated structure also provide improved transport properties by eliminating torsion and reducing diffusion distances. 2극 장치, 망상 구조, 전해질, 전극, 집전기 Dipole, network, electrolyte, electrode, current collector

Process for preparing photo curable inkjet ink for battery-capacitor using ultra high molecular weight polymer membrane

본 발명은 양극(양극, 음극) 활 전극 및 반도체를 구성하는 유기-무기물의 선택하는 단계; 양극(양극, 음극) 활 전극 및 반도체 입자를 형성하며 그 입자를 포함하는 피코포러스 구조의 극초고분자량 다공-중공성 캡슐 입자를 제조하는 단계; 상기 캡슐 입자를 광경화 분산마스터 용액으로 제조하는 단계; 상기 광경화 분산마스터 용액을 분산하는 단계; 및 분산된 광경화 분산마스터 용액을 희석하여 광반응 화학물질을 혼합하고, 정밀 여과하는 단계;로 이루어진 것을 특징으로 하는 광 경화 잉크젯 잉크의 제조방법을 제공한다. The present invention includes the steps of selecting the organic (inorganic) constituting the anode (anode, cathode) active electrode and the semiconductor; Preparing an ultra-high molecular weight porous-porous capsule particle having a picoporous structure, the anode forming a positive electrode (anode, cathode) active electrode and semiconductor particles; Preparing the capsule particles into a photocuring dispersed master solution; Dispersing the photocurable dispersion master solution; And diluting the dispersed photocuring dispersion master solution to mix photoreaction chemicals and to perform fine filtration.

Flexible thin printed battery with gelled electrolyte and method of manufacturing same

The invention provides a carbon zinc battery comprising a printed cathode current collector at least a portion of which is printed onto a flexible nonconductive substrate.

High current thin electrochemical cell and methods of making the same

A battery including at least one electrochemical cell for generating an electrical current is provided, along with its method of manufacture. In one example, the electrochemical cell is provided on a first substrate and includes an anode and a plurality of cathodes. At least a portion of said anode is located between an adjacent two of said plurality of cathodes. In one example method of manufacture, the electrochemical cell is made via a printing press process.

Liquid electrolyte lithium-sulfur batteries

A high performance lithium-sulfur battery cell includes the following features: (a) a negative electrode including a metal or an ion of the metal; (b) a positive electrode comprising an electronically conductive material; and (c) a liquid catholyte including a solvent and dissolve electrochemically active material comprising sulfur in the form of at least one of a sulfide of the metal and a polysulfide of the metal. Such battery cells are characterized by an energy density, calculated based upon a laminate weight, of at least about 400 Watt-hours/kilogram when discharged at a rate of at least 0.1 mA/cm 2 . Cells meeting these criteria often find use as primary cells.

Methods of fabricating rechargeable positive electrodes

Disclosed are methods of making solid-phase active-sulfur-based composite electrodes. The method begins with a step of combining the electrode components (including an electrochemically active material, an electronic conductor, and an ionic conductor) in a slurry. Next, the slurry is homogenized such that the electrode components are well mixed and free of agglomerates. Very soon thereafter, before the electrode components have settled or separated to any significant degree, the slurry is coated on a substrate to form a thin film. Finally, the coated film is dried to form the electrode in such a manner that the electrode components do not significantly redistribute.

Method for producing drawn coated metals and use of the metals in the form of a current differentiator for electrochemical components

Rechargeable positive electrode

Disclosed are battery cells comprising a sulfur-based positive composite electrode. Preferably, said cells are secondary cells, and more preferably thin film secondary cells. In one aspect, the cells can be in a solid-state or gel-state format wherein either a solid-state or gel-state electrolyte separator is used. In another aspect of the invention, the cells are in a liquid format wherein the negative electrode comprises carbon, carbon inserted with lithium or sodium, or a mixture of carbon with lithium or sodium. The novel battery systems of this invention have a preferred operating temperature range of from -40° C. to 145° C. with demonstrated energies and powers far in excess of state-of-the-art high-temperature battery systems.

Ceramic/polymer matrix for electrode protection in electrochemical cells, including rechargeable lithium batteries

재충전형 리튬 배터리를 비롯한 전기화학 전지에서의 전극 보호를 위한 세라믹/중합체 복합 구조물의 형성 방법 및 제품들이 제공된다. Methods and articles for forming a ceramic / polymer composite structure for electrode protection in an electrochemical cell, including a rechargeable lithium battery, are provided.

lithium secondary battery

Secondary battery

본 발명은 기재와 활물질층 사이에 카본 소재를 포함하는 중간층을 구비함으로써, 기재와 활물질층 간의 접착력을 강화할 수 있는 이차 전지에 관한 것이다. 본 발명에 따른 이차 전지는 기재; 상기 기재 상에 형성된 카본 소재를 포함하는 중간층; 및 상기 중간층 상에 형성되는 활물질층;을 포함한다. 이러한 구성에 의하여, 활물질 탈락이 방지되어 전지의 성능을 향상시킬 수 있을 뿐만 아니라 활물질 슬러리에 접착력이 강한 바인더를 소량 사용함으로써, 전지의 안정성을 확보할 수 있다. The present invention relates to a secondary battery capable of enhancing the adhesive force between the substrate and the active material layer by providing an intermediate layer containing a carbon material between the substrate and the active material layer. Secondary battery according to the present invention; An intermediate layer comprising a carbon material formed on the substrate; And an active material layer formed on the intermediate layer. Such a structure prevents the active material from falling off, thereby improving the performance of the battery, and by using a small amount of a binder having strong adhesion to the active material slurry, it is possible to ensure the stability of the battery.

Method for preparing transparent electrode film

본 발명은 투명전극 필름의 제조방법에 관한 것으로, 이형필름 상에 금속 잉크 조성물을 이용하여 전극패턴을 인쇄하는 전극패턴 형성단계; 상기 전극패턴이 형성된 상기 이형필름 상에 경화성 수지를 도포하여 절연층을 형성하는 절연층 형성단계; 상기 절연층 상에 기재를 적층하여 기재층을 형성하는 기재층 형성단계; 상기 이형필름을 제거하는 이형필름 제거단계; 및 상기 이형필름이 제거된 상기 전극패턴 상에 전도성 물질을 도포하여 전도층을 형성하는 전도층 형성단계;를 포함할 수 있다. 본 발명의 투명전극 필름의 제조방법에 의하면 표면 조도가 우수하고 저항 특성이 뛰어난 디스플레이용 투명전극 필름의 제조방법을 제공할 수 있다. The present invention relates to a method for manufacturing a transparent electrode film, an electrode pattern forming step of printing an electrode pattern using a metal ink composition on a release film; An insulating layer forming step of forming an insulating layer by applying a curable resin on the release film on which the electrode pattern is formed; Forming a substrate layer by laminating a substrate on the insulating layer to form a substrate layer; A release film removal step of removing the release film; And forming a conductive layer by applying a conductive material on the electrode pattern from which the release film is removed, to form a conductive layer. According to the method of manufacturing a transparent electrode film of the present invention, a method of manufacturing a transparent electrode film for a display having excellent surface roughness and excellent resistance characteristics can be provided.

Flexible rechargeable battery

본 발명의 목적은 전지 특성 및 유연성을 향상시키는 플렉서블 이차 전지를 제공하는 것이다. 본 발명의 일 실시예에 따른 플렉서블 이차 전지는, 복수의 구멍을 형성하는 집전체에 활물질을 코팅하여 활물질층을 형성하고 서로 마주하는 제1전극과 제2전극, 상기 제1전극과 상기 제2전극 사이에 개재되는 전해질층, 및 적층되는 상기 제1전극과 상기 전해질층 및 상기 제2전극을 수용하며 외곽에서 상호 접합되고 상기 제1전극과 상기 제2전극에 연결되는 탭을 외부로 노출시키는 파우치 필름을 포함하며, 상기 활물질은 상기 구멍의 내주에서 활물질층 구멍을 형성한다. An object of the present invention is to provide a flexible secondary battery which improves the battery characteristics and flexibility. A flexible secondary battery according to an embodiment of the present invention includes a first electrode and a second electrode which are formed by coating an active material on a collector forming a plurality of holes to form an active material layer and facing each other, An electrolyte layer sandwiched between the first electrode and the electrolyte layer, and an electrolyte layer interposed between the first electrode, the electrolyte layer, and the second electrode, and a tab connected to the first electrode and the second electrode, And a pouch film, wherein the active material forms an active material layer hole in the inner periphery of the hole.

Manufacturing method of lithium ion secondary battery

Plasma deposition on a partially formed battery through a mesh screen

A plasma deposition method deposits a battery component material on a partially fabricated battery cell comprising a battery component layer containing charge-carrying metal species and having an exposed surface. A mesh screen is maintained at a preset distance from the exposed surface, the mesh screen having a plurality of mesh openings. A process gas is energized to form a plasma by applying an electrical power to deposit the battery component material onto the exposed surface of the battery component layer. The mesh screen reduces migration of the charge-carrying metal species in the battery component layer to the exposed surface of the partially fabricated battery cell.

Method of producing an electrode for non-aqueous electrolytic cells

Li x Ni y M z O 2 (0.8 < x < 1.5, 0.8 < y+z < 1.2, 0 ≤ z < 0.35; M은 Co, Mg, Ca, Sr, Al, Mn 및 Fe로부터 선택되는 원소)으로 되는 조성의 활성물질을 그 제조 직후로부터 혼합 도료 조제까지의 사이에, 수분이슬점 -20℃ 이하의 가스 중에 보존한다. 또는, 상기 활성물질을 혼합 도료 조제의 직전에 진공건조한다. 조제된 혼합 도료를 집전체 상에 도포한다. Li x Ni y M z O 2 (0.8 <x <1.5, 0.8 <y + z <1.2, 0 <z <0.35; M is an element selected from Co, Mg, Ca, Sr, Al, Mn and Fe) The active substance of the composition to be stored is stored in a gas having a water dew point of -20 ° C or lower from immediately after the preparation to the preparation of the mixed paint. Alternatively, the active material is vacuum dried immediately before the mixed paint preparation. The prepared mixed paint is applied onto the current collector.

Method for preparing transparent electrode film

본 발명은 투명전극 필름의 제조방법에 관한 것으로, 이형필름 상에 금속 잉크 조성물을 이용하여 전극패턴을 인쇄하는 전극패턴 형성단계; 상기 전극패턴이 형성된 상기 이형필름 상에 경화성 수지를 도포하여 절연층을 형성하는 절연층 형성단계; 상기 절연층 상에 기재를 적층하여 기재층을 형성하는 기재층 형성단계; 상기 이형필름을 제거하는 이형필름 제거단계; 및 상기 이형필름이 제거된 상기 전극패턴 상에 전도성 물질을 도포하여 전도층을 형성하는 전도층 형성단계;를 포함할 수 있다. 본 발명의 투명전극 필름의 제조방법에 의하면 표면 조도가 우수하고 저항 특성이 뛰어난 디스플레이용 투명전극 필름의 제조방법을 제공할 수 있다.

Reticulated and controlled porosity battery structures

人们认为在复合结构中有效的离子导电率随体积分数迅速下降。诸如双极器件或储能器件之类的系统都有这样结构或组成部分，即在该结构或组成部分中电极或离子必须横越的扩散长度或路径被最小化，而暴露在离子或电子之下的界面面积被最大化。这种器件包括网状的组成部分或有网状的界面，以致界面面积可以增大。增大的界面周长增加可用于离子物种的反应的部位。许多不同的网状物图案可以使用。网状特征的纵横比可能被改变。这样的双极器件可以用各种各样的方法或程序制造出来。有网状界面结构的双极器件可以为了控制和优化充放电动力学而进行调整。有分级的多孔结构的双极器件可以有改进的输运特性，因为控制反应动力学的扩散可以被改变。多孔性分级的电极可能是线性或非线性分级的。多孔结构的双极器件通过消除扭曲和减少扩散距离也提供改进的输运特性。

Method for manufacturing a cell electrode

A cell that is excellent in discharge characteristics and cycle characteristics is provided by filtering an active material paste, which contains an active material, a binder resin solution, and a conducting agent added as required, at least one time by a filter while stirring the active material paste in a stirring apparatus that has a stirring blade, and then coating a current collector with the active material paste. An active material paste is circulated and filtered by a feeding pump and a filter while being stirred in a stirring apparatus that has a stirring blade. Then, the active material paste is fed to another filter by a metering pump and filtered, and then, a current collector (backing) is coated with the active material paste. Then, the active material paste is dried in a dry zone and taken up by a take-up roller.

Manufacturing method of anode for nonaqueous electrolyte solution secondary battery

【課題】 非水電解液二次電池用の負極に、所望の大きさで、所望の配置パターンの貫通孔を容易に形成し得る方法を提供すること。 【解決手段】 リチウム化合物の形成能の高い元素を含む活物質層２を有する負極１０の一面に、多数の開孔部１２ｃを有するレジストパターンを形成し、次いで開孔部１２ｃを通じて露出している部位をエッチングにより除去して活物質層２にその厚さ方向へ延びる貫通孔５を多数形成する。レジストパターンは、リソグラフィー法又は印刷法によって形成される。 【選択図】 図１

Process for producing a polymer composite for an electrochemical cell using a swollen polymer

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung eines Polymerverbundwerkstoffs, insbesondere einer Elektrode (10) und/oder eines Separators, für eine elektrochemische Zelle, insbesondere für eine Batteriezelle und/oder Brennstoffzelle und/oder Elektrolysezelle. Um die Herstellung von Polymerverbundwerkstoffen, beispielsweise in Form von Elektroden und/oder Separatoren, insbesondere für elektrochemische Zellen, sowie deren Eigenschaften und/oder Funktion, beispielsweise deren spezifische Energiedichte und/oder elektrische Leitfähigkeit, zu verbessern, wird mindestens ein quellbares Polymer (1) mit einer durch Quellen des mindestens einen quellbaren Polymers (1) vollständig in dem mindestens einen quellbaren Polymer (1) aufnehmbaren Lösungsmittelmenge mindestens eines das mindestens eine quellbare Polymer (1) quellenden Lösungsmittels (2) und mit mindestens einem partikulären Material (3,4) gemischt. Aus der Mischung (1,2,3,4) wird dann ein Polymerverbundwerkstoff, insbesondere eine Elektrode (10) und/oder ein Separator, für eine elektrochemische Zelle, insbesondere für eine Batteriezelle und/oder Brennstoffzelle und/oder Elektrolysezelle, ausgebildet. The present invention relates to a method for producing a polymer composite, in particular an electrode (10) and / or a separator, for an electrochemical cell, in particular for a battery cell and / or fuel cell and / or electrolysis cell. In order to improve the production of polymer composite materials, for example in the form of electrodes and / or separators, in particular for electrochemical cells, and to improve their properties and / or function, for example their specific energy density and / or electrical conductivity, at least one swellable polymer (1) with at least one solvent (2) which swells the at least one swellable polymer (1) and by at least one particulate material (3, 4) which can be completely absorbed in the at least one swellable polymer (1) by swelling the at least one swellable ...

Method for producing a polymer composite material for an electrochemical cell by means of a swollen polymer

The present invention relates to a method for producing a polymer composite material, particularly an electrode (10) and/or a separator, for an electrochemical cell, particularly for a battery cell and/or fuel cell and/or electrolysis cell. In order to improve the production of polymer composite materials, in the form of electrodes and/or separators, for example, particularly for electrochemical cells, and the properties and/or functionality thereof, such as the specific energy density and/or electrical conductivity thereof, at least one swellable polymer (1) is mixed with a solvent quantity of at least one solvent (2), which can be absorbed completely in the at least one swellable polymer (1) by swelling the at least one swellable polymer (1) and which swells the at least one swellable polymer (1), and with at least one particulate material (3, 4). A polymer composite material, particularly an electrode (10) and/or a separator, for an electrochemical cell, particularly for a battery cell and/or fuel cell and/or electrolysis cell, is then formed from the mixture (1, 2, 3, 4).

Method for forming pattern, structural body, method for producing comb-shaped electrode, and secondary cell

A method for forming a pattern, a structural body, a method for producing a comb-shaped electrode, and a secondary cell. The pattern forming method, in which n patterns (n≥2) are formed on a support, includes forming a first resist layer on the support surface; and repeating: forming a guide hole through a kth resist layer by exposure and development, filling a kth pattern material into the guide hole by a screen printing process, removing the kth resist layer, and forming a (k+1)th resist layer on the support and all pattern materials, regarding kth (k=1 to n−1) pattern material and resist layer in order of k=1 to n−1; forming a guide hole and nth pattern material filling similarly, and removing the nth resist layer.

Lithium thin film lamination technology on electrode to increase battery capacity

Pattern forming method, structures, interdigitated electrode manufacturing method, and rechargeable battery

Method for forming pattern, structural body, method for producing comb-shaped electrode, and secondary cell

A method for forming a pattern multiple patterns of identical or different pattern materials can be formed on a support in a short time, a structural body, a method for producing a comb-shaped electrode, and a secondary cell. The pattern forming method, in which n patterns (n≧2) are formed on a support, includes forming a first resist layer on the support surface; repeating: forming a guide hole through all resist layers by exposure and development, filling a kth pattern material into the guide hole by a screen printing process, and forming a (k+1)th resist layer on the kth resist layer and the pattern materials, regarding kth (k=1 to n−1) pattern material and resist layer in order of k=1 to n−1; performing guide hole formation and nth pattern material filling similarly, and removing all of the resist layers.

Electrode-forming composition

The invention pertains to an aqueous electrode-forming composition comprising: - at least one fluoropolymer [polymer (F)]; - particles of at least one powdery active electrode material [particles (P)], said particles (P) comprising a core of an active electrode compound [compound (E)] and an outer layer of a metallic compound [compound (M)] different from Lithium, said outer layer at least partially surrounding said core; and - water, to a process for its manufacture, to a process for manufacturing an electrode structure using the same, to an electrode structure made from the same and to an electrochemical device comprising said electrode structure.

Nanosilicon material preparation for functionalized group iva particle frameworks

Functionalized Group IVA particles, methods of preparing the Group IVA particles, and methods of using the Group IVA particles are provided. The Group IVA particles may be passivated with at least one layer of material covering at least a portion of the particle. The layer of material may be a covalently bonded non-dielectric layer of material. The Group IVA particles may be used in various technologies, including lithium ion batteries and photovoltaic cells.

AQUEOUS INK FOR PRINTING ELECTRODES FOR LITHIUM BATTERIES

L'encre aqueuse de l'invention est destinée à la réalisation d'électrodes par impression. Elle comprend au moins un matériau actif d'électrode et au moins un polymère conducteur hydrosoluble ou hydrodispersable. The aqueous ink of the invention is intended for producing electrodes by printing. It comprises at least one electrode active material and at least one water-soluble or water-dispersible conductive polymer.

CURRENT COLLECTOR FOR LITHIUM BATTERY

Ce collecteur de courant pour accumulateur électrochimique au lithium comprendt une mousse viscoélastique associée à un film polymérique conducteur électrique. This current collector for an electrochemical lithium battery comprises a viscoelastic foam associated with an electrically conductive polymeric film.

A method of forming a graphene oxide-reduced graphene oxide junction

A method comprising: a deposition step comprising depositing a layer of graphene oxide; a deposition step comprising selectively exposing a region of the deposited graphene oxide layer to electromagnetic radiation to form a region of reduced graphene oxide adjacent to a neighbouring region of unexposed graphene oxide, the graphene oxide and adjacent reduced graphene oxide regions forming a junction therebetween to produce a graphene oxide-reduced graphene oxide junction layer; and repeating the deposition and exposure steps for one or more further respective layers of graphene oxide, over an underlying graphene oxide-reduced graphene oxide junction layer, to produce an apparatus in which the respective junctions of the graphene oxide-reduced graphene oxide layers, when considered together, extend in the third dimension.

LITHIUM-ION BIPOLAR BATTERY

Batterie bipolaire Lithium-ion comportant n cellules électrochimiques (C1, C2, C3) connectées en série, n étant un entier supérieur ou égale à 2, chaque cellule comportant une électrode positive (P1, P2, P3), un collecteur de courant (2) portant l'électrode positive, une électrode négative (N1, N2, N3), un collecteur de courant (8) portant l'électrode négative, un électrolyte disposé entre chaque paire d'électrodes positive et négative, dans laquelle un collecteur de courant (4, 6) de chaque cellule, dit collecteur de courant commun, est d'un seul tenant avec le collecteur de courant d'une cellule adjacente, le collecteur de courant commun (4, 6) portant une électrode de chaque polarité, et dans laquelle au moins les n-1 collecteurs de courant communs étant en un matériau réalisé en fibres de carbone. Bipolar Lithium-ion battery comprising n electrochemical cells (C1, C2, C3) connected in series, n being an integer greater than or equal to 2, each cell comprising a positive electrode (P1, P2, P3), a current collector (2 ) carrying the positive electrode, a negative electrode (N1, N2, N3), a current collector (8) carrying the negative electrode, an electrolyte disposed between each pair of positive and negative electrodes, in which a current collector (4, 6) of each cell, called the common current collector, is in one piece with the current collector of an adjacent cell, the common current collector (4, 6) carrying an electrode of each polarity, and wherein at least the n-1 common current collectors being made of a material made of carbon fibers.

METHOD FOR PREPARING A HIGH MASS CHARGE ELECTRODE FILLED WITH ELECTROLYTE FOR A HIGH ENERGY DENSITY BATTERY

La présente invention concerne le procédé de préparation de batteries à haute densité énergétique. Plus particulièrement, elle concerne un procédé amélioré de préparation d’une électrode de charge massique élevée pour batterie à base de métal à haute densité énergétique. Ce procédé comprend la préparation d’une électrode solide remplie d’électrolyte par mélange d’un sel, d’un solvant, d’un liant et d’un matériau actif pour produire une pâte mécaniquement stable. The present invention relates to the process for preparing high energy density batteries. More particularly, it relates to an improved process for preparing a high mass charging electrode for a high energy density metal-based battery. This process involves the preparation of a solid electrode filled with electrolyte by mixing a salt, a solvent, a binder and an active material to produce a mechanically stable paste.

MANUFACTURING PROCESS OF A POROUS ELECTRODE AND SEPARATOR ASSEMBLY, A POROUS ELECTRODE AND SEPARATOR ASSEMBLY, AND ELECTROCHEMICAL DEVICE CONTAINING SUCH ASSEMBLY

L’invention concerne un procédé de fabrication d’un dispositif électrochimique sélectionné dans le groupe formé par les batteries d’une capacité supérieure à 1 mA h, les condensateurs, les super-condensateurs, les résistances, les inductances, les transistors, les cellules photovoltaïques, les piles à combustible, mettant en œuvre un procédé de fabrication d’un ensemble constitué d’une électrode poreuse et d’un séparateur poreux comprenant une couche poreuse déposée sur un substrat présentant une porosité comprise entre 20 % et 60% en volume, et des pores de diamètre moyen inférieur à 50 nm. The invention relates to a method of manufacturing an electrochemical device selected from the group formed by batteries with a capacity greater than 1 mA h, capacitors, super-capacitors, resistors, inductors, transistors, cells photovoltaic cells, fuel cells, implementing a process for manufacturing an assembly consisting of a porous electrode and a porous separator comprising a porous layer deposited on a substrate having a porosity of between 20% and 60% by volume , and pores with an average diameter of less than 50 nm.

Flexible thin printed battery with gelled electrolyte and method of manufacturing same

A flat, flexible electrochemical cell is provided. The within invention describes various aspects of the flat, flexible electrochemical cell. A printed anode is provided that obviates the need for a discrete anode current collector, thereby reducing the size of the battery. An advantageous electrolyte is provided that enables the use of a metallic cathode current collector, thereby improving the performance of the battery. Printable gelled electrolytes and separators are provided, enabling the construction of both co-facial and co-planar batteries. Cell contacts are provided that reduce the potential for electrolyte creepage in the flat, flexible electrochemical cells of the within invention.

Thin battery and manufacturing method therefore

A thin battery 300 comprises a surface 301 with first and second electrode layers 307, 308 provided thereon. An electrolyte layer 310 is printed on the first and second electrode layers, and a photopolymerizable protection layer 320 is printed on and around the perimeter of electrolyte layer 310. Layer 20 solidifies when exposed to suitable radiation such as visible light, infra-red, ultraviolet or electron beam]. Electrolyte layer 310 and photopolymerizable protection layers320 may each include the following functional groups: acrylate, methacrylate, vinyl, allyl, epoxy. First and second current collecting layers 303, 304 and a boundary layer 305 are also shown such as ultra violet curable ink. An associated method of production is also disclosed.

Bipolar device

상보적 구조에서 효과적인 이온 전도성은 부피 분률을 갖고 빠르게 감소되도록 한다. 2극 장치 또는 에너지 저장 장치 등의 시스템은 확산 길이 또는 통로가 최소화되고 이온 또는 전자에 노출된 경계 영역이 최대화되는 전극 또는 이온이 선회해야 하는 구조 또는 구성요소를 갖는다. 장치는 경계 영역이 증가될 수 있도록 망상 경계면을 갖거나 망상화 될 수 있는 구성요소를 포함한다. 증가된 경계 주연부는 이온종의 반응에 대해 이용가능한 지점을 증가한다. 많은 상이한 망상 패턴은 이용될 수 있다. 망상 구조의 종횡비는 변화될 수 있다. 이러한 2극 장치는 다양한 방법 또는 절차에 의해 제조될 수 있다. 망상화된 경계면의 구조를 갖는 2극 장치는 대전 및 방전 운동을 제어하고 최적화하기 위해서 제조될 수 있다. 분류된 다공성 구조를 갖는 2극 장치는 반응 운동을 제어하는 확산이 변형될 수 있으므로 향상된 수송 특성을 가질 수 있다. 분류된 다공성 전극은 선형이거나 비선형으로 분류될 수 있다. 천공된 구조를 갖는 2극 장치는 또한 비틀림을 제거하고 확산 거리를 감소함으로써 향상된 수송 특성을 제공한다.

A method of printing a component in an electrochemical cell

Nanosilicon material preparation for functionalized group IVA particle frameworks

本发明提供官能化IV A族颗粒、制备所述IV A族颗粒的方法、及使用所述IV A族颗粒的方法。所述IV A族颗粒可经覆盖所述颗粒的至少一部分的至少一个材料层钝化。所述材料层可为共价键结的非介电材料层。所述IV A族颗粒可用于包含锂离子电池及光伏打电池在内的各种技术中。

Form composition for electrodes

本发明涉及形成电极用组合物。本发明涉及一种基于溶剂的形成电极用组合物，包括分散在有机溶剂中的至少一种偏二氟乙烯(VDF)聚合物以及一种具有不超过25wt％的含氧量的氧化石墨烯，其中该VDF聚合物包括衍生自偏二氟乙烯(VDF)以及至少一种具有下式(I)的(甲基)丙烯酸类单体(MA)的重复单元： 其中：R 1 、R 2 和R 3 彼此相同或不同、独立地选自氢原子和C 1 ‑C 3 烃基团，并且R OH 是氢原子或包括至少一个羟基的C 1 ‑C 5 烃基。本发明进一步涉及一种用于制造所述形成电极用组合物的方法，以及其用于制造二次锂电池的电极的用途。

Method for producing lithium ion secondary battery

A method for producing lithium ion secondary batteries includes the steps of: (A) preparing an electrode sheet with lead-forming parts, (B) intermittently forming porous insulating layers containing an inorganic oxide filler and a binder on a surface of the electrode sheet excluding the lead-forming parts, (C) connecting a lead to each of the lead-forming parts, and (D) fabricating batteries by using the electrode sheet to which the leads are connected. The step B includes: the step of applying a slurry containing the inorganic oxide filler and the binder to the outer surface of a gravure roll, and transferring the slurry applied to the outer surface of the gravure roll on a surface of the electrode sheet that is being transported by a plurality of guide rolls excluding the lead-forming part; and the step of moving at least one selected from the gravure roll and the guide rolls to make the electrode sheet away from the gravure roll in the lead-forming part.

Method for manufacturing electrode for battery

A method for manufacturing electrode for battery by which electrode active material layers can be firmly provided on both surfaces of the conductive substance collector of an electrode. In the method, the electrode active material layers are formed on both surfaces of the conductive substance collector by successively applying electrode paint containing an electrode active material, binder, solvent, and acid to both surfaces of the conductive substance collector in such a way that, after the electrode paint is applied to one surface of the conductive substance collector, the applied paint is dried and the rear surface of the conductive substance collector is washed with water before applying the paint to the rear surface.

High surface area porous carbon materials as electrodes

Embodiments of the present disclosure pertain to an electrode that includes: a porous carbon material; a metal (e.g., Li) associated with the porous carbon material; and a conductive additive (e.g., graphene nanoribbons) associated with the porous carbon material. The metal may be in the form of a non-dendritic or non-mossy coating on a surface of the porous carbon material. The electrodes may also be associated with a substrate, such as a copper foil. The electrodes may be utilized as anodes or cathodes in energy storage devices, such as lithium ion batteries. Additional embodiments pertain to energy storage devices that contain the electrodes of the present disclosure. Further embodiments pertain to methods of making the electrodes by associating porous carbon materials with a conductive additive, a metal, and optionally a substrate. The electrode may then be incorporated as a component of an energy storage device.

PROCESS FOR MANUFACTURING A POROUS ELECTRODE AND SEPARATOR ASSEMBLY, A POROUS ELECTRODE AND SEPARATOR ASSEMBLY, AND MICROBATTERY CONTAINING SUCH ASSEMBLY

L’invention concerne un procédé de fabrication d’une microbatterie à ions de lithium d’une capacité ne dépassant pas 1 mA h, mettant en œuvre un procédé de fabrication d’un ensemble constitué d’une électrode poreuse et d’un séparateur poreux comprenant une couche poreuse déposée sur un substrat présentant une porosité comprise entre 20 % et 60% en volume, et des pores de diamètre moyen inférieur à 50 nm, et dans lequel ledit séparateur comprenant une couche inorganique poreuse déposée sur ladite électrode, ladite couche inorganique présentant une porosité comprise entre 20 % et 60% en volume, et des pores de diamètre moyen inférieur à 50 nm. The invention relates to a method of manufacturing a lithium ion microbattery with a capacity not exceeding 1 mA h, implementing a method of manufacturing an assembly consisting of a porous electrode and a porous separator. comprising a porous layer deposited on a substrate having a porosity of between 20% and 60% by volume, and pores with an average diameter of less than 50 nm, and wherein said separator comprising a porous inorganic layer deposited on said electrode, said inorganic layer exhibiting a porosity of between 20% and 60% by volume, and pores with an average diameter of less than 50 nm.

Method for manufacturing a porous electrode, and battery containing such an electrode

A method for manufacturing an electrochemical device, implementing a process for manufacturing a porous electrode having a porous layer deposited on a substrate, the porous layer having a porosity of between 20% and 60% by volume and pores with an average diameter of less than 50 nm. The method includes providing a substrate and a colloidal suspension including aggregates or agglomerates of monodisperse primary nanoparticles of an active electrode material, having an average primary diameter of between 2 and 60 nm, the aggregates or agglomerates having an average diameter of between 50 nm and 300 nm, then depositing a layer from the colloidal suspension on the substrate, then drying and consolidating the layer to obtain a mesoporous layer, and then depositing a coating of an electronically conductive material on and inside the pores of the layer.