ПЕРЕЗАРЯЖАЕМЫЙ ЭЛЕКТРОХИМИЧЕСКИЙ ЭЛЕМЕНТ И СПОСОБ ЕГО ИЗГОТОВЛЕНИЯ

Изобретение относится к области электротехники, а именно к перезаряжаемому аккумуляторному элементу, преимущественно ионно-литиевому элементу, и способу его изготовления. Перезаряжаемый электрохимический аккумуляторный элемент содержит корпус (1), положительный электрод (11), отрицательный электрод (10), электролит (9) с содержанием SOи токопроводящей соли активного металла, при этом, по меньшей мере, один из электродов (11) закрыт оболочкой (13) из стекловолокнистого текстильного материала, размер поверхности которой превышает размер поверхности электрода (11), вследствие чего стекловолокнистый текстильный материал выходит за пределы ограничительной линии (14) электрода, кроме того, два закрывающих электрод с обеих сторон слоя (15, 16) стекловолокнистого текстильного материала соединены между собой по краю электрода (11) посредством краевого соединения (17). Повышение безопасности и срока службы повторно заряжаемого аккумуляторного элемента является техническим результатом изобретения.

ПЕРЕЗАРЯЖАЕМЫЙ ЭЛЕКТРОХИМИЧЕСКИЙ ЭЛЕМЕНТ И СПОСОБ ЕГО ИЗГОТОВЛЕНИЯ

... 1. Перезаряжаемый электрохимический аккумуляторный элемент, содержащий корпус (1), положительный электрод (11), отрицательный электрод (10) и электролит (9) с содержанием SOи токопроводящей соли активного металла элемента,отличающийся тем, что, по меньшей мере, один из электродов (11) содержит оболочку (13) из стекловолокнистого текстильного материала, размер поверхности оболочки (13) из стекловолокнистого текстильного материала превышает размер поверхности электрода (11), вследствие чего стекловолокнистый текстильный материал выходит за пределы ограничительная линии (14) электрода, и что два покрывающих электрод (11) с обеих сторон слоя (15, 16) стекловолокнистого текстильного материала соединены между собой по краю электрода (11) посредством краевого соединения (17).2. Аккумуляторный элемент по п. 1, отличающийся тем, что закрытым оболочкой (13) электродом является положительный электрод (11) элемента.3. Аккумуляторный элемент по п. 1 или 2, отличающийся тем, что положительный электрод ...

SURFACE TREATED STEEL PLATE FOR BATTERY CASES AND BATTERY CASE USING SAME

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

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

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

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

Secondary battery and manufacturing method thereof

There are a secondary battery having a pouch-type outer casing and a manufacturing method thereof. In one embodiment, a secondary battery includes an electrode assembly and an outer casing. The electrode assembly has positive and negative electrode plates, a separator interposed therebetween, and positive and negative electrode tabs having one ends respectively connected to the positive and negative electrode plates. The outer casing accommodates the electrode assembly so that the other ends of the positive and negative electrode tabs are extracted from a first side to the exterior thereof. The outer casing has a sealing portion sealed at least twice. The sealing portion is primarily sealed to be fractured under a predetermined internal pressure of the outer casing. After the aging of a battery, the sealing portion is fractured under the predetermined internal pressure, thereby exhausting internal gas. After the exhaustion of the internal gas, the sealing portion is secondarily sealed.

Pouch-Shaped Secondary Battery Including Pressure Sensing Device Configured to Measure Internal Pressure

Disclosed is a pouch-shaped secondary battery including a pressure sensing device having one side located in the case and the other side located outside the case, the pressure sensing device being configured to accurately measure pressure in the pouch-shaped secondary battery. Consequently, it is possible to predict abnormality of the pouch-shaped secondary battery or lifespan of the pouch-shaped secondary battery.

Electrode assembly and secondary battery having a protective layer therein

A battery includes a first conductive layer having a folded portion, a first edge, and a second edge opposite to the first edge in a first direction of the battery; a first conductive plate located on the first conductive layer; and a first layer comprising an insulating material covering at least one portion of the folded portion, and being distant from the first conductive layer. The first layer partially covers the first edge of the first conductive layer.

BATTERY PACKAGING MATERIAL, PRODUCTION METHOD THEREFOR, BATTERY, AND POLYESTER FILM

ТОНКИЙ АККУМУЛЯТОР

Тонкий аккумулятор содержит: аккумуляторный блок (11), имеющий элемент (112) генерирования электричества, содержащийся в элементе (111) внешней оболочки, который состоит из ламинированной пленки, включающей в себя слой (111c) на основе смолы и который имеет герметизированные внешние периферийные секции (113); и прокладки (12), которые, когда другой тонкий аккумуляторный блок размещается на тонком аккумуляторе, располагаются между внешними периферийными секциями и которые имеют крепежные секции (121) для закрепления аккумуляторного блока в предварительно определенном положении. Секция (13) эластичной смолы формируется, посредством формования со вставкой эластичной смолы, на фрагментах внешних периферийных секций, причем фрагменты находятся, по меньшей мере, вокруг крепежных секций и в областях (H1), включающих в себя наложенные секции (14), в которых внешние периферийные секции и прокладки накладываются друг на друга. Тонкий аккумулятор может закрепляться так, что он имеет высокую устойчивость ...

ELECTROCHEMICAL ENERGY SOURCE INTEGRALLY FORMED IN A NON-CONDUCTIVE CASING AND METHOD OF MANUFACTURING SUCH AN ELECTROCHEMICAL ENERGY SOURCE

Corrosion resistant high performance electrochemical cell

IMPLANT

An implant comprising an electric power consuming device electrically coupled to an electric power source including an anode, a cathode and at least one potential probe which is independent of the anode and the cathode. By providing at least one potential probe which is independent of the anode and the cathode, implants can be monitored and controlled to avoid process which can damage the electrodes and shorten the service life of the electrodes and the service life of the implant itself.

Exterior material for power storage device, method for manufacturing exterior material for power storage device, and power storage device

Provided is an exterior material for a power storage device having excellent flexibility, and comprising electrolyte resistance. The exterior material for the power storage device for which a plurality of films are laminated, comprises a heat fusible resin layer; a gas barrier film placed laminated on one surface side of the heat fusible resin layer; and a plurality of adhesive layers. The gas barrier film has a resin base, and a gas barrier membrane placed at one or both surface sides of the resin base, and of the plurality of adhesive layers, at least the adhesive layer placed between the heat fusible resin layer and the gas barrier film has electrolyte resistance.

Prismatic battery pack with novel structure

Disclosed herein is a prismatic battery pack including an electrode assembly of a cathode/separator/anode structure impregnated with an electrolyte, a prismatic container, in which the electrode assembly is mounted, the prismatic container having at least one depressed groove formed at a bottom thereof in a longitudinal direction of the prismatic battery pack, a cap plate coupled to an open upper end of the prismatic container, in which the electrode assembly is mounted, a protection circuit module (PCM) including a protection circuit to control operation of the prismatic battery pack, the PCM being loaded on the cap plate, and an insulative cap mounted to the prismatic container while surrounding the PCM.

Secondary battery

A secondary battery mounted in an electronic appliance to supply power to the electronic appliance is disclosed, which includes a battery cell in which a positive electrode, a negative electrode and an electrolyte are accommodated in a pack, and a positive electrode terminal and a negative electrode terminal from the positive electrode and the negative electrode, respectively are lead out from one side face of the pack; a metallic battery can in which an opening is formed in the both end sides in an insertion direction of the battery cell and which accommodates the battery cell therein such that one side face from which the positive electrode terminal and the negative electrode terminal are lead out is faced towards the side of one of the openings; and a pair of lids made of a synthetic resin, each plugging the opening of the battery can, at least one of the lids plugging one of the openings towards which one side face from which the positive electrode terminal and the negative electrode ...

BATTERY CELL ASSEMBLY

A battery cell assembly having first, second, and third battery cells and a unitary wrapping sheet is provided. The unitary wrapping sheet is disposed on a top surface and a bottom surface of the first battery cell. The unitary wrapping sheet is further disposed on a top surface and a bottom surface of the second battery cell. The unitary wrapping sheet is further disposed on a top surface and a bottom surface of the third battery cell. The unitary wrapping sheet is further disposed on and encloses a portion of a combined periphery of the first, second, and third battery cells such that the top surface of the first battery cell, the top surface of the second battery cell, and the top surface of the third battery cell are held substantially parallel to one another.

Battery pack

A case is made by disposing side plate portions on the long side and a side plate portion on one short side on the circumference of a plate portion. Provided on the other short side of the case in two tiers are a side plate portion and a substrate casing portion which has a height lower than the side plate portion. The substrate casing portion has a lower plate portion, side plate portions and an upper plate portion. The lower plate portion is provided with window portions from which the respective output terminals are exposed. The battery assembly is held in the case by fitting the protection circuit substrate which is laid down on a side face, into the substrate casing portion.

Battery pack

A battery case including: first case body having a main wall and opposing side walls; a second case body including a second main wall and opposing side walls. The first and second side walls include coupling parts to be coupled together when the first and second case bodies are pressed together to form a space to receive a bare cell. The battery case can also include clips to couple the first and second side walls.

Wearable patch, and sheet-type cell

Provided is a wearable patch that can reliably interrupt the power supply from the cell after use and can be disposed of as it is. Moreover, provided is a sheet-type cell that can reliably interrupt the power supply after use and can be disposed of safely. The wearable patch is worn on the body and includes a functional element, a drive circuit unit that operates the functional element, and a cell as a power source. A cutting facilitating member is formed to allow a predetermined portion of the wearable patch to be cut with a force of 200 N or less so that the power supply from the cell to the drive circuit unit is interrupted.

ADHESIVE FOR LAMINATES, LAYERED BODY USING SAME, AND SECONDARY BATTERY

METHOD OF CONSTRUCTING AN ELECTRODE ASSEMBLY

Battery pouch, battery cell and method of making a pouch or battery cell

A pouch-type battery comprising: a pouch-type battery case having a joined wall and a cell space within the pouch, a battery cell within the cell space, a terminal tab extending outwardly of the cell space from the battery cell, said joined wall comprising at least a first sealing portion having a first sealing strength, and a second sealing portion having a second sealing strength that is less than the first sealing strength such that the second sealing portion is adapted to fail before said first sealing portion, and an electrical contact located with the second sealing portion and adapted to change contact state upon failure of the second sealing portion.

Implantable medical device

A method of manufacturing an implantable medical device having reduced MRI image distortion, includes producing an implantable medical device. The implantable medical device has a configuration that comprises a housing and one or more internal components disposed within the housing. The configuration is based upon a design process that includes creating a first prototype, determining the aggregate relative magnetic permeability of the first prototype, and modifying the design of the first prototype by at least one of (a) selecting and adding a diamagnetic shimming material to the first prototype or (b) repositioning one or more internal components of the first prototype. Modifying the design results in a modified design that is the configuration for the implantable medical device.

BATTERY PACK

Disclosed herein is a battery pack that includes: a thin cell having a laminated body including positive and negative electrodes facing each other through a separator, a laminate film housing the laminated body and an electrolytic solution, and first and second terminal electrodes protruding from the laminate film and connected respectively to the positive electrode and the negative electrode; and a cell housing body housing the thin cell and having a bus bar connected to the first and second terminal electrodes. The cell housing body has a first gas hole for releasing a gas generated from the electrolytic solution outside the cell housing body.

Batteries and Methods of Using and Making the Same

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

SECONDARY BATTERY

A secondary battery includes an outer package member, a battery device, and a non-aqueous solution. The outer package member includes iron. The battery device and the non-aqueous solution are contained inside the outer package member. The battery device includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode and the negative electrode are opposed to each other and are wound. The positive electrode and the negative electrode are each impregnated with the electrolytic solution. The negative electrode is electrically coupled to the outer package member, and includes at least one selected from the group consisting of polyvinylidene difluoride, a polyacrylic acid, a polyacrylic acid salt, polyacrylonitrile, and derivatives thereof. The non-aqueous solution is disposed in at least a portion of a space around the battery device inside the outer package member. The electrolytic solution and the non-aqueous solution each include a dinitrile compound ...

BATTERY

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

Battery packaging material, production method therefor, battery, and polyester film

A technology for improving molding properties while minimizing curling after molding in a battery packaging material comprising a laminate that is provided with a barrier layer, a heat-sealable resin layer positioned on one surface side of the barrier layer, and a polyester film positioned on the other surface side of the barrier layer. This battery packaging material is configured from at least a laminate provided with a barrier layer, a heat-sealable resin layer positioned on one surface side of the barrier layer, and a polyester film positioned on the other surface side of the barrier layer. The birefringence of the polyester film is in the range of 0.016-0.056.

SECONDARY BATTERY

To provide a secondary battery comprising an electrode laminate and an exterior packaging member, the electrode laminate being wrapped with the exterior packaging member, wherein the exterior packaging member comprises an exterior packaging area that wraps the electrode laminate, a heat-sealing area, and an intermediate area existing between the exterior packaging area and the heat-sealing area; in the exterior packaging area, a layer containing a first resin, a layer containing a second resin, a layer containing metal, and a layer containing a third resin are sequentially laminated from an electrode laminate side; in the heat-sealing area the layer containing metal and the layer containing the third resin are sequentially laminated on both sides of the layer containing the second resin; and in the intermediate area, a resin pool comprising the first resin is formed.

АККУМУЛЯТОРНЫЙ КАРТРИДЖ И СОДЕРЖАЩИЙ ЕГО АККУМУЛЯТОРНЫЙ МОДУЛЬ

Изобретение относится к аккумуляторному картриджу и содержащему его аккумуляторному модулю. Согласно изобретению аккумуляторный картридж с установленным в нем пластинчатым аккумуляторным элементом содержит пару пластинчатых рамок, выполненных с возможностью фиксировать противоположные стороны аккумуляторного элемента на его краю в состоянии, при котором стороны аккумуляторного элемента открыты, и каждая из рамок снабжена на своей внутренней стороне, расположенной в контакте с краем аккумуляторного элемента, упругой прижимающей деталью, выполненной с возможностью прижимать край аккумуляторного элемента. Техническим результатом является улучшение безопасности и срока службы аккумуляторного элемента. 2 н. и 16 з.п. ф-лы, 6 ил.

Lithium battery cells

A lithium cell (1) comprising a casing (2); positive and negative electrodes (3,4) disposed within the casing (2) with a separator (5) between the electrodes; an electrolyte; a positive terminal (6) connected to one of the electrodes (3); and a negative terminal (10) connected to the other of the electrodes (4): wherein: the casing (2) is of aluminium and is provided on its inner surface with a coating (8) of a plastics material to prevent contact between the aluminium casing (2) and the internal active components of the lithium cell; and at least one of the terminals comprises a steel component (10) that is secured to the aluminium casing (2). The steel component may be a rivet that is riveted to the aluminum casing. Also shown is a method of manufacture of a lithium cell and the aluminium casing.

LOW MAGNETIC INTERFERENCE BATTERY AND MOBILE COMMUNICATION DEVICE

A communication device and battery there for, are provided. In at least one of the battery and the communication device is provided a magnetic shield portion for routing magnetic flux away from the receiver when the radio is in operation. The magnetic shield portion can be incorporated into at least one of the battery and the communication device. When the battery is inserted into the mobile communications device, the magnetic shield portion is located substantially between a battery portion, in the battery, and the receiver.

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

The non-aqueous electrolyte secondary battery is provided with: an electrode group comprising a positive electrode board and a negative electrode board disposed so as to face each other across a separator, the electrode group having a side surface; a non-aqueous electrolyte; a positive electrode collector lead; a negative electrode collector lead; a positive electrode terminal; a negative electrode terminal; and an exterior body comprising a sealing part where circumferential edges of a laminate film are sealed together and an accommodation section in which the electrode group is accommodated. The accommodation section has first and second accommodation parts. The electrode group and portions of the collector leads are accommodated inside the first accommodation part. The remaining portions of the collector leads and portions of the terminals connected to the collector leads are accommodated inside the second accommodation part. The collector leads are led out from the side surface of the ...

pacote de bateria tendo peça de fixação para pcm

Lithium rechargeable battery and card with built-in battery

Provided is a film-sheathed lithium rechargeable battery which, while being provided with a lithium composite oxide sintered compact plate as a positive electrode plate, is not susceptible to wrinkling in the vicinity of the edges of the positive electrode plate, even if flexed repeatedly. This lithium rechargeable battery comprises: a positive electrode plate which is a lithium composite oxide sintered compact plate; a negative electrode layer; a separator; an electrolyte solution; and a pair of sheathing films which are sealed to one another at the outer edges thereof to form an internal space which houses the battery elements. The portion corresponding to the extension part of the separator and the negative electrode layer is offset to the positive electrode plate side from the portion corresponding to the main part of the separator and the negative electrode layer.

POUCH EXTERIOR MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING SAME

The present invention relates to a pouch exterior material which is for a lithium secondary battery and includes an inner layer, an outer resin layer, and a metal layer located between the inner layer and the outer resin layer, wherein the inner layer contains an ethylenically unsaturated group, and a lithium secondary battery including the pouch exterior material.

Secondary battery assembly including metallic body and battery cell

A secondary battery for electronic appliance to be installed in an electronic appliance, thereby feeding an electric power to the electronic appliance is disclosed, which includes a battery cell in which a positive electrode, a negative electrode and an electrolyte are accommodated in a pack, and a positive electrode terminal and a negative electrode terminal from the positive electrode and the negative electrode, respectively are lead out from one side face of the pack; a metallic battery can in which an opening is formed in the both end sides in an insertion direction of the battery cell and which accommodates the battery cell therein such that one side face from which the positive electrode terminal and the negative electrode terminal are lead out is faced towards the side of one of the openings; and a pair of lids made of a synthetic resin, each plugging the opening of the battery can, at least one of the lids plugging one of the openings towards which one side face from which the positive ...

BATTERY MODULE WITH COOLING CARTRIDGE AND BATTERY SYSTEM THEREOF

The invention provides a battery module with cooling cartridge and battery system thereof. The cooling cartridge is utilized to be disposed between the battery units stacked in a single axis. The supporting portion of the cooling cartridge is directly contacted in a large area to the current collecting sheet of the battery unit. And the wing portions, extended from the two sides of the supporting portion, are directly contacted to the inner sidewalls of the metal housing. Therefore, a large-area heat dissipating path for the battery cell is provided, and the performance and stability of the battery cell are greatly improved.

Case for lithium metal secondary battery, lithium metal secondary battery comprising same, method for manufacturing same

Provided is a casing for a lithium metal secondary battery including: a battery casing material; at least one releasable capsule attached at least partially or totally to the inner surface of the casing material to cover the inner surface of the casing material; and a release solution supported in the releasable capsule, wherein the releasable capsule includes a capsule coating film and a capsule inner space surrounded with the capsule coating film, the release solution is supported in the capsule inner space, and the release solution includes a release agent and a solvent. A lithium metal secondary battery including the casing and a method for manufacturing the same are also provided. It is possible to increase releasability of the negative electrode in a lithium metal secondary battery and to improve nail safety by using the releasable capsule according to the present disclosure.

SOLID-STATE BATTERY AND METHOD OF MANUFACTURING SOLID-STATE BATTERY

A solid state battery that includes: a battery element including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer; an end-face electrode facing the end surface of the battery element; a covering layer covering the battery element with the end-face electrode; and an insulating buffer layer between the covering layer and the battery element and surrounding the battery element, wherein the insulating buffer layer is also sandwiched between the battery element and the end-face electrode and arranged intermittently on an end-face electrode facing region side of the end surface of the battery element.

ELECTROCHEMICAL DEVICE AND ELECTRICAL DEVICE

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

Method of Constructing an Electrode Assembly

An electrode assembly 1 for use in a soft packaged cell such as a battery or supercapacitor comprises a stack 2 of single, discrete cathode elements 4 and single, discrete anode elements 3 alternating with and abutting one another, wherein all the elements of one type are each individually encapsulated in discrete separator envelopes 7 and all the elements of the other type are uncovered, and wherein the electrode assembly 1 is sealed in soft packaging. Sensitive or delicate cathodes or anodes 13, for example, lithium anodes used in primary batteries, may be encapsulated to protect them, and this may facilitate assembly by automated handling equipment.

Battery pouch, battery cell and method of making a pouch or battery cell

A pouch-type battery comprising: a pouch-type battery case having a joined wall and a cell space within the pouch, a battery cell within the cell space, a terminal tab extending outwardly of the cell space from the battery cell, said joined wall comprising at least a first sealing portion having a first sealing strength, and a second sealing portion having a second sealing strength that is less than the first sealing strength such that the second sealing portion is adapted to fail before said first sealing portion, and an electrical contact located with the second sealing portion and adapted to change contact state upon failure of the second sealing portion.

A heat sensitive jacket label for battery and battery with the same

IMPLANT

An implant comprising an electric power consuming device electrically couple d to an electric power source including an anode, a cathode and at least one potenti al probe which is independent of the anode and the cathode. By providing at least one potentia l probe which is independent of the anode and the cathode, implants can be monitored and controlled to avoid process which can damage the electrodes and shorten the service life of the electrodes and the service life of the implant itself.

POLYMER DIPPED POUCH CELL

A pouch cell includes a copper foil forming a pouch, an active material layer adjacent to the copper foil inside the pouch forming an anode with the copper, and a lithium-based cathode inside the pouch. The cell includes a separator interposing the one active material layer and the lithium-based cathode, and an electrolyte.

A HEAT SENSITIVE JACKET LABEL FOR BATTERY AND BATTERY WITH THE SAME

A heat sensitive jacket label for a battery is disclosed. It comprises a base made of a heat-shrinking film, a metal layer provided on a back surface of the base, a heat-resistant insulating layer provided on the metal layer, and a heat sensitive adhesive on the insulating layer. The base heat-shrinks at a temperature at least 15.degree.C higher than a temperature for effecting adhesion of the heat sensitive adhesive.

BATTERY POUCH, BATTERY CELL AND METHOD OF MAKING A POUCH OR BATTERY CELL

A pouch-type battery comprising: a pouch-type battery case having a joined wall and a cell space within the pouch, a battery cell within the cell space, a terminal tab extending outwardly of the cell space from the battery cell, said joined wall comprising at least a first sealing portion having a first sealing strength, and a second sealing portion having a second sealing strength that is less than the first sealing strength such that the second sealing portion is adapted to fail before said first sealing portion, and an electrical contact located with the second sealing portion and adapted to change contact state upon failure of the second sealing portion.

Battery pack

A battery pack is provided and includes an outer package and a battery element housed in the outer package. The outer package includes a laminate having a conductive layer, and a positive electrode terminal or a negative electrode terminal of the battery element is electrically connected to the conductive layer.

Lithium polymer battery with a reinforcement layer covering and a method for manufacturing the lithium polymer battery

A lithium polymer battery including an electrode assembly having a positive electrode plate, a separator and a negative electrode plate, a pouch type casing in which the electrode assembly is sealingly received, and a reinforcement layer formed over a surface of the casing. Positive and negative electrode tabs are connected to the positive and negative electrode plates, respectively.

ТОНКИЙ АККУМУЛЯТОР

... 1. Тонкий аккумулятор, содержащий:- аккумуляторный блок, имеющий элемент генерирования электричества, герметично установленный в элементе внешней оболочки;- прокладку, которая размещается между соответствующими периферийными частями упомянутого аккумуляторного блока и другим аккумуляторным блоком, помещенным на упомянутый аккумуляторный блок; и- упругое тело, которое, соответственно, соединяется с упомянутым аккумуляторным блоком и прокладкой, с тем, чтобы соединять упомянутый аккумуляторный блок и прокладку,- при этом прокладка сформирована, на фрагменте, который должен быть соединен с упругим телом, с усиленной секцией, имеющей поверхность, которая обращена к направлению, в котором внешняя сила прикладывается от периферийного направления упомянутого аккумуляторного блока.2. Тонкий аккумулятор по п.1, в котором усиленный фрагмент является любым одним из фрагмента, на котором формируется сквозное отверстие, фрагмента, на котором предоставляется утопленный фрагмент, и фрагмента, на котором ...

Verfahren zum Herstellen einer Deckelbaugruppe für ein Zellgehäuse einer prismatischen Batteriezelle mit einem Dichtungselement sowie Batteriezelle

Die Erfindung betrifft ein Verfahren zum Herstellen einer Deckelbaugruppe (1) für ein Zellgehäuse einer prismatischen Batteriezelle, mit den Schritten:- Bereitstellen einer Deckelplatte (2) zum Abdecken des Zellgehäuses,- Bereitstellen zumindest eines mehrteiligen Zellterminals (8) aufweisend zwei Terminalteile (9, 10),- Anbringen eines Dichtungselementes (16) an dem ersten Terminalteil (9) oder an einer ersten Seite (3) der Deckelplatte (2),- Anbringen eines Kunststoffs (17) an einer zweiten Seite (4) der Deckelplatte (2),- Einbringen des Dichtungselementes (16) zwischen das erste Terminalteil (9) und die erste Seite (3) und Einbringen des Kunststoffs (17) zwischen das zweite Terminalteil (10) und die zweite Seite (4) durch Anordnen der Terminalteile (9, 10) an der Deckelplatte (2),- Vorspannen des Dichtungselementes (16); und- Halten des Dichtungselementes (16) in dem vorgespannten Zustand durch mechanisches und elektrisches Verbinden des Terminalteile (9, 10).Die Erfindung betrifft außerdem ...

Energiespeicherapparat und Verfahren zum Herstellen des Energiespeicherapparats

Ein Energiespeicherapparat umfasst: eine oder mehrere Energiespeichervorrichtungen; und eine erste Außenabdeckung und eine zweite Außenabdeckung, die außerhalb der einen oder mehreren Energiespeichervorrichtungen angeordnet sind. Der Energiespeicherapparat umfasset des Weiteren: einen Schweißabschnitt, der ein Verbindungsabschnitt zwischen der ersten Außenabdeckung und der zweiten Außenabdeckung ist, der durch Verbinden der ersten Außenabdeckung und der zweiten Außenabdeckung miteinander durch Schweißen gebildet wird; ein wärmeanfälliges Objekt; und ein Wärmeabschirmungsabschnitt, der zwischen dem Schweißabschnitt und dem wärmeanfälligen Objekt angeordnet ist.

Herstellungsverfahren für eine Alkali- Knopfzelle

Battery thermal insulation cabin of deep-sea submerged buoy system

In recent years, with the rapid increase of the world population and the deterioration of the environment, the land resources becomes gradually scarce, and the research on the deep sea has attracted more and more attention from all walks of life. In order to better develop, utilize and protect the ocean and marine resources, this invention provides active power temperature control equipment for deep-sea submerged buoy system (Battery thermal insulation cabin). This active power temperature control equipment is mainly comprised of 6 parts with reasonable structure and strong activity, including, power supply module, withstand voltage module, passive heat preservation module, active heating module, temperature control module and phase change energy storage module. The battery thermal insulation cabin is comprised of 5 parts, including pressure-resistant spherical shell, double-layer cylindrical tube, end cover, partition board and thermal insulation power supply battery.The pressure-resistant ...

Pressurized metal-air battery cells

LOW MAGNETIC INTERFERENCE BATTERY AND MOBILE COMMUNICATION DEVICE

POUCH TYPE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF

Disclosed is a pouch type secondary cell. The pouch type secondary cell includes an electrode assembly including a cell and an electrode, a pouch having a receiving space configured to receive the electrode assembly therein, the pouch including upper and lower sheets configured to surround upper and lower plate surfaces of the electrode assembly respectively, and a terrace sealing formed by compressing the upper and lower sheets, which surround a terrace, in a thickness direction thereof so that the upper and lower sheets come into contact with each other, the terrace being an empty space in the receiving space excluding a space occupied by the electrode assembly.

Pouch type secondary battery and manufacturing method thereof

Disclosed is a pouch type secondary cell. The pouch type secondary cell includes an electrode assembly including a cell and an electrode, a pouch having a receiving space configured to receive the electrode assembly therein, the pouch including upper and lower sheets configured to surround upper and lower plate surfaces of the electrode assembly respectively, and a terrace sealing formed by compressing the upper and lower sheets, which surround a terrace, in a thickness direction thereof so that the upper and lower sheets come into contact with each other, the terrace being an empty space in the receiving space excluding a space occupied by the electrode assembly.

POLYMER DIPPED POUCH CELL

A pouch cell includes a copper foil forming a pouch, an active material layer adjacent to the copper foil inside the pouch forming an anode with the copper, and a lithium-based cathode inside the pouch. The cell includes a separator interposing the one active material layer and the lithium-based cathode, and an electrolyte.

Secondary battery pack

A battery pack including a battery cell having an anode and cathode terminal at one face having a sealed surplus portion and a protection circuit module (PCM) connected to the cell via the anode and cathode terminal, the PCM including a board having a protection circuit thereon, the board being provided with an anode and cathode terminal connection part connected to the anode and cathode terminal, respectively, and a PCM case configured to receive the board through an open face thereof so that the PCM case surrounds the board. The board is coupled to the anode and cathode terminal of the cell via the anode and cathode terminal connection part, the board is disposed in the PCM case in a state in which the board is parallel to the cell, and the PCM case, in which the board is disposed, is mounted to the sealed surplus portion of the cell.

Integrated supercapacitor-battery structure

An integrated energy storage device is provided that includes a supercapacitor and a battery surrounding the supercapacitor. The battery forms a shell around an exterior surface of the supercapacitor. The battery includes a first anode, a first cathode, and an electrolyte disposed between the first anode and the first cathode. The supercapacitor includes a second anode, a second cathode, and a separator disposed between the second anode and the second cathode.

BATTERY

In an insulating sheet (50), a first left-side piece portion (520), a second left-side piece portion (521), a left-side bottom piece portion (522), a first left-side connection portion (523), and a second left-side connection portion (524) form a first communication path (530) for communicating inside and outside of the insulating sheet (50), the first communication path (530) having a first open end (531) at a position of an end of each of the first left-side connection portion (523) and the second left-side connection portion (524) on the opening (101) side of an exterior package (100). The first communication path (530) is located on a shortest reach path for an electrolyte solution (80) reaching, from the outside of the insulating sheet (50), an end portion (20e) of an electrode assembly (20) closest to a ridgeline portion of the exterior package (100) on the bottom portion (102) side and on the side of one of a pair of second side walls (104a, 104b).

METHOD FOR MANUFACTURING A STEEL STRIP OR SHEET FOR A BATTERY CASE AND BATTERY CASE MADE THEREFROM

Batteriezellgruppe

Die Erfindung betrifft eine Batteriezellgruppe (22), umfassend mehrere Einzelzellen (10), eine einzige Deckelbaugruppe (30) und ein Gehäuse (24), wobei innerhalb des Gehäuses (24) mehrere Trennwände (32) angeordnet sind, die die Einzelzellen (10) innerhalb des Gehäuses (24) voneinander trennen, und wobei alle Einzelzellen (10) mit der Deckelbaugruppe (30) elektrisch verbunden sind. Das Gehäuse (24) weist einen sich in Längsrichtung (L) erstreckenden Mantel (26) sowie eine senkrecht zum Mantel (26) angeordnete erste Seite (28) auf, wobei die Länge des Mantels (26) in Längsrichtung (L) größer ist als die Breite (S) der ersten Seite (28) quer zur Längsrichtung (L). Ferner ist die Deckelbaugruppe (30) an der ersten Seite (28) des Gehäuses (24) angeordnet.

Vorrichtung und Verfahren zur Herstellung eines dünnwandigen Bauteils

Vorrichtung (1) und Verfahren zur Herstellung eines dünnwandigen Bauteils (2), insbesondere einer Gehäusefolie für eine Pouch-Zelle, aus einem Ausgangsteil (3), umfassend• einen ersten Spulenkörper (4),• eine elektrische Schaltung (7) zur Bereitstellung eines impulsförmigen elektrischen Stroms,• eine Matrize (8) mit einer dem ersten Spulenkörper (4) zugewandten Auflage (9) für das umzuformende Ausgangsteil (3), wobei die Auflage (9) die zu erzeugende Form des Bauteils (2) aufweist, sowie• eine erste Trennvorrichtung (10), mit der ein erster Teilbereich (11) von einem zweiten Teilbereich (12) des Ausgangsteils (3) zumindest teilweise trennbar ist, wobei das Ausgangsteil (3) zwischen dem ersten Spulenkörper (4) und der Matrize (8) anordenbar, durch eine zwischen dem ersten Spulenkörper (4) und dem Ausgangsteil (3) wirkende elektromagnetische Kraft hin zur Matrize (8) beschleunigbar und dabei durch die Auflage (9) umformbar und durch die erste Trennvorrichtung (10) zumindest teilweise trennbar ...

SECONDARY BATTERY PACK

Battery pack having electric insulating member

Disclosed herein is a battery pack including two or more plate-shaped battery cells arranged in plane such that electrode terminals of the battery cells are aligned in one direction, a pack frame including two or more battery cell receiving parts surrounding outer circumferences of the battery cells in a state in which upper and lower surfaces of the battery cells arranged in plane are opened, a pack frame including a receiving part to receive the two or more plate-shaped battery cells, the receiving part surrounding outer circumferences of the battery cells in a state in which upper and lower surfaces of the battery cells arranged in plane are opened, a protection circuit module (PCM) electrically connected to the electrode terminals to control operation of the battery pack, a middle mold to receive the PCM, the middle mold being loaded on the sealed surplus portions, an electrically insulative member applied into a space defined by the sealed surplus portions and the pack frame and onto ...

Secondary battery pack, protection circuit module, and method of manufacturing secondary battery pack

SECONDARY BATTERY MODULE

A secondary battery module includes a plurality of pouch type secondary batteries stacked in parallel, and a cooling plate configured to cool the plurality of stacked pouch type secondary batteries, wherein each of the pouch type secondary batteries includes a sealing portion and a close contact portion formed by an exterior material in an outer periphery thereof, the sealing portion is formed at three of four sides of the pouch type secondary battery and the close contact portion is formed at the other side of the pouch type secondary battery, an extending portion protruding in a direction perpendicular to the close contact portion is formed at a portion of the sealing portion adjacent to the close contact portion, and the cooling plate is brought into contact with the close contact portions of the plurality of stacked pouch type secondary batteries and cools the close contact portions.

BATTERY DEVICE AND MANUFACTURING METHOD

A battery device includes a battery cell; an exterior member that accommodates the battery cell; and one or more foamed resin fixing members disposed between the battery cell and the exterior member. The foamed resin fixing members are formed of a foamed resin having self-adhesiveness.

Energy storage apparatus and method of manufacturing energy storage apparatus

An energy storage apparatus includes: one or more energy storage devices; and a first outer covering and a second outer covering arranged outside said one or more energy storage devices. The energy storage apparatus further includes: a weld portion which is a joint portion between the first outer covering and the second outer covering formed by joining the first outer covering and the second outer covering to each other by welding; a heat-susceptible object; and a heat shielding portion arranged between the weld portion and the heat-susceptible object.

POUCH BATTERY AND MANUFACTURING METHOD THEREOF

A pouch battery and a manufacturing method thereof are disclosed. The pouch battery includes: a battery core; a first encapsulating part configured to partially cover the battery core; an electrolyte contained in the first encapsulating part and soaking the battery core; and a second encapsulating part configured to be integrally spliced with the first encapsulating part to encapsulate the battery core; wherein the first encapsulating part is a metal component, and the second encapsulating part is a composite film component.

POWER STORAGE DEVICE

A power storage device includes a first electrode having a first current collector, a second electrode having a second current collector, and a separator, which form a columnar wound body. The power storage device includes a cylinder covering an outer periphery of the columnar wound body and having a first opening, a sealing body sealing the first opening, and at least one first tab, its one end connected to the first current collector and the other end connected to the sealing body. The sealing body has a first member including a first face facing away from the columnar wound body, and a second member including a second face facing the columnar wound body. The other end of the first tab is welded to the first face of the first member to form a first welding portion that is positioned between the first face and the second face.

A BATTERY

MODULE LAYER AND BATTERY SYSTEM MADE THEREFROM

POUCH-TYPE BATTERY AND SEALING DEVICE FOR POUCH-TYPE BATTERY

A sealing device for a pouch-type battery includes an upper sealing block and a lower sealing block. The upper sealing block has a two-stage upper sealing groove, including a first upper step and a second upper step, and the lower sealing block has a two-stage lower sealing groove, including a first lower step and a second lower step. The upper sealing block contacts a first surface of an electrode lead sealing part of the pouch-type battery, and the lower sealing block contacts a second surface of the electrode lead sealing part of the pouch-type battery in a process of performing sealing through heat fusion. A pouch-type battery having an electrode lead sealing part formed by the sealing device is also provided.

apparatus and method for a cylindrical cell

Hermetic packaging of a micro-battery device

A microbattery includes a first micro-battery device including a substrate 102 having a metal anode via 104 and a metal cathode via 104. A battery element 112 formed on the substrate includes a cathode current collector 114 electrically connected to a cathode through the metal cathode via and an anode current collector 106 electrically connected to an anode 110 through the metal anode via. A metal sealing layer 124 is formed on at least sidewall surfaces of the battery element and is electrically connected to the cathode. A method of forming a microbattery device involves forming a metal anode via and a metal cathode via in a substrate, forming a metal layer 108 on a bottom side of the substrate, forming a battery element on a top side of the substrate, forming an encapsulation layer 116 around the battery element, forming trenches (150, Figure 1F) through the encapsulation layer and the substrate on different sides of the battery element, and forming a metal sealing layer in the trenches ...

Heat Sensitive Jacket Label for Battery and Battery with the Same

BATTERY CAN-FORMING PLATE AND BATTERY CAN

A battery can-forming plate consisting of a steel plate plated with an alloy, wherein a hardness of a plated layer formed on one surface of the steel plate is higher than that of a plated layer formed one the other surface thereof. The plated layer having a higher hardness is used as an inner surface of a battery can and the plated layer having a lower hardness is used as an outer surface thereof in forming the battery can. The steel plate is plated with a nickel alloy.

RECHARGEABLE BATTERY PACK HAVING A POUCH CELL, AND METHOD

A rechargeable battery pack having at least two pouch cells stacked on top of one another, wherein each of the pouch cells is enclosed in a metal foil, wherein the metal foils are electrically insulated from one another and electrical contact is made with each of the metal foils for the purpose of measuring a capacitor capacitance formed by the metal foils.

BATTERY PACK AND ELECTRONIC DEVICE

A battery pack includes a secondary battery and a circuit board, in which the secondary battery includes a metal exterior part, a first external terminal disposed at a center part of an end surface of the metal exterior part, and a second external terminal disposed so as to surround a periphery of the first external terminal, and the circuit board includes a first connection part connected to the first external terminal and a second connection part connected to the second external terminal; the battery pack including an insulating part that insulates the first connection part from the second connection part, the first connection part and the second connection part being disposed in an identical plane.

Li-ion battery having improved safety against combustion

The present invention provides a process for modifying a Li-ion battery having a region of electrochemical activity and an enclosure therefor, said process comprising forming at least one chamber within said enclosure separate from said region of electrochemical activity, positioning combustion abatement agent within said chamber, whereby said combustion abatement agent is not in contact with said region of electrochemical activity, said chamber being pressure or heat sensitive, whereby when said region of electrochemical activity overheats, said chamber is breached, allowing said combustion abatement agent to contact said region of electrochemical activity to abate combustion of said region of electrochemical activity, wherein exemplary of combustion abatement agent is the composition comprising liquid fluoropolyether and exemplary of the of the chamber exhibiting pressure or heat sensitivity is to include a low melting, non-flammable polymer such as polyvinyl alcohol in the material of ...

BATTERY AND ELECTRONIC DEVICE

The present disclosure provides a battery and an electronic device, which relate to the technical field of batteries and are used for solving the technical problem of poor sealing performance of batteries. The battery includes a shell, a cover assembly and a coiled core assembly located inside the shell; the shell is provided with an opening, and the cover assembly sealingly covers the opening; the cover assembly includes a conductive member, a top cover and a sealing member between the conductive member and the top cover; the conductive member electrically contacts the coiled core assembly; the sealing member is provided with a first through hole, the top cover is provided with a second through hole, and a diameter of the first through hole is smaller than that of the second through hole.

SECONDARY BATTERY, ELECTRONIC EQUIPMENT, AND ELECTRIC TOOL

A secondary battery is provided and includes an electrode wound body, a positive electrode current collector, a negative electrode current collector, and a battery can. The electrode wound body includes a positive electrode having a band shape and a negative electrode having a band shape. The positive electrode and the negative electrode are stacked with a separator interposed therebetween. The battery can contains the electrode wound body, the positive electrode current collector, and the negative electrode current collector. The positive electrode includes, on a positive electrode foil having a band shape, a positive electrode active material covered part covered with a positive electrode active material layer, and a positive electrode active material uncovered part. The negative electrode includes, on a negative electrode foil having a band shape, a negative electrode active material covered part covered with a negative electrode active material layer, a negative electrode active material ...

BATTERY

A battery including a curved metal shell, a curved metal plate, and a curved electrode assembly. The curved metal shell has a curved surface and a plurality of side walls extending from the curved surface. The curved electrode assembly is disposed between the curved metal shell and the curved metal plate. The plurality of side walls are bound with the curved metal plate to seal the curved electrode assembly between the curved metal shell and the curved metal plate. By disposing a direction of an opening of the curved metal shell, the difficulty in the manufacturing process of the battery is greatly reduced, curved electrode assemblies in different structural forms are placed into the curved metal shell more conveniently and smoothly, and the energy density of the battery is also increased.

POUCH FORMING DEVICE

Batterie

Es wird eine hochzuverlässige Batterie vorgesehen, die ein Tragelement umfasst, das als Befestigungsteil oder Greifteil dient, wobei keine Möglichkeit besteht, dass das Tragelement ein Verschlechtern von Batterieeigenschaften bewirkt, und das Tragelement eine hohe Befestigungsstärke und Formtreue aufweist. Das Tragelement 20, das Befestigungsteile 20b zum Befestigen einer Batterie 1 an einem anderen Element, und einen Körperhalteteil 20a zum Halten und Befestigen eines Bereichs A mit einer darin aufgenommenen Batteriekomponente 11 umfasst, wird so verwendet, dass der Bereich A mit dem Körperhalteteil 20a in Kontakt mit der Oberfläche (der Oberfläche eines Außenkörpers 10 (Schutzschicht) einer den Außenkörper bildenden Laminatlage) an einem peripheren Abschnitt in dem Bereich A des Außenkörpers 10 gehalten und befestigt wird. Eine Laminatlage 14a eines Paars von Laminatlagen, die den Außenkörper bilden, ist größer als die andere Laminatlage 14b ausgebildet, vorstehende Teile 114, die von ...

A heat sensitive jacket label for battery and battery with the same

Protection circuit module and secondary battery pack comprising same

Battery pack, method of manufacturing the battery pack and mobile device comprising the battery pack

RELEASABLE BATTERY PACKAGE

A device can include a processor; memory accessible by the processor; a battery bay that includes a first surface; a battery package disposed in the battery bay and operatively coupled to the processor, where the battery package includes a second surface; and materials disposed between the first surface and the second surface, where the materials include an adhesive and a thermoplastic.

Pouch battery for use in implantable electronic devices

Disclosed herein is a battery with a pouch-type enclosure for use with an implantable electronic device. The battery may have greater than 20 megaohms of isolation between the anode and the external surface of the pouch-type battery enclosure and the cathode and the external surface of the pouch-type battery enclosure. The battery may have a pouch-type enclosure with a contoured shape, including a cathode, anode, and electrolyte disposed within the pouch-type enclosure. The cathode and/or anode may have variable thicknesses. The variable thickness anode and/or cathode may be contoured in shape to at least partially provide the contoured shape of the pouch-type enclosure.

Secondary battery pack having non-protruded connector

Disclosed herein is a secondary battery pack including a battery cell having a cathode terminal and an anode terminal formed on one surface including a sealed portion to seal the battery cell and a protection circuit module (PCM) including a protection circuit board (PCB) having a protection circuit formed thereon, an external input and output terminal electrically connected to the protection circuit, a connector electrically connected to the external input and output terminal, and an electrically insulative PCM case in which the PCB is mounted, wherein the PCM is loaded on the sealed portion in a state in which the PCM is electrically connected to the battery cell and the connector is formed on the PCM such that the connector does not protrude outward from the secondary battery pack.

SECONDARY BATTERY

A secondary battery is provided, including an electrode assembly, a packaging bag, an electrode lead and an insulating member. The electrode assembly is housed in the packaging bag, an edge of the packaging bag has a sealing portion, and the electrode lead is connected to the electrode assembly and passes through the sealing portion; the sealing portion includes a main body region, a first step region and a first transition region, the first step region is located on two sides of the electrode lead in a thickness direction, the main body region and the first transition region are located on a same side of the first step region in a width direction, and the first transition region is connected between the first step region and the main body region; the insulating member surrounds an outer side of the electrode lead and isolates the sealing portion from the electrode lead.

Laminated battery for serial connection and battery pack

The present invention provides a battery pack that has a plurality of laminated batteries arranged in an array direction. In the plurality of laminated batteries, positive electrode terminals and negative electrode terminals are connected in series, and in the array direction, a distance between the positive and negative electrode terminals that are electrically connected to each other is relatively shorter than a distance between the positive and negative electrode terminals that are not electrically connected to each other.

ELASTOMERIC GASKET CONTACTING THE INNER SURFACE OF THE CASING LID OF A PULSE DISCHARGEABLE LITHIUM ELECTROCHEMICAL CELL

A pulse dischargeable electrochemical cell, preferably of a Li/SVO couple, is described. To help prevent lithium clusters from bridging to the terminal pin extending below the casing lid and connected to the cathode current collector tab, an elastomeric gasket directly contacts the inner surface of the lid. The elastomeric gasket is preferably a unitary member comprising an O-ring gasket portion that contacts the sealing glass of the glass-to-metal seal (GTMS), and a sheetshaped gasket portion connected to the O-ring gasket portion and that contacts the inner surface of the lid. The GTMS does not have a ferrule. Instead, the sealing glass seals directly to the lid and to the terminal pin. The elastomeric gasket resides between the lid and an insulator compartment, which is described in co-assigned U.S. Patent No. 10,629,862 to Roy et al.

Secondary battery pack of novel structure

Disclosed herein is a secondary battery pack including a battery cell including first and second electrode terminals of specific structures, a protection circuit module (PCM) including connection members A and B connected to the first and second electrode terminals and an electrically insulated top cap, wherein a connection portion of the connection member B connected to the second electrode terminal of the battery cell is located at the bottom of the PCB so that the connection member B is electrically connected to the second electrode terminal via the safety element, the connection member A is coupled to the bottom of the PCB in a state in which the connection member A protrudes from one end of the PCB in the lateral direction so that a connection portion of the connection member A connected to the first electrode terminal of the battery cell is exposed through a corresponding one of the through holes formed at the top cap, a coupling hole is formed at the protruding portion of the connection member A, and wherein coupling members are coupled into the respective coupling grooves of the battery cell through the through holes of the top cap in a state in which the PCM and the top cap are disposed at the top of the battery cell, and the connection member A is mechanically coupled and electrically connected to the first electrode terminal by a corresponding one of the coupling members.

Sealed battery

In a sealed battery, an outer case made of metal has a flange part and a concave part. An electric power generating element has an electrode body and electrolyte stored in the concave part. The electrode body has positive and negative electrodes connected to corresponding electrode leads, respectively. The flange part extends from the outer periphery of the outer case to the outside. The concave part is covered and sealed by a metal plate. The metal plate and one surface of the flange part are thermally bonded together through a metal-adhesive resin film. The metal plate projects toward the outside of the flange part. This projected part of the metal part is bent with the metal adhesive resin film toward the other surface of the flange part. The bent metal part and the other surface of the flange part are thermally bonded with the metal adhesive resin film.

Electrochemical device and process of manufacturing same

An electrochemical device capable of enhancing sealing performance of a lead terminal leading portion in an exterior film for accommodating an electrochemical element is provided. In an electrochemical device in which an electrochemical element 10 is covered by a laminated outer packaging film 4 having at least an innermost layer 41 made of heat adhesive synthetic resin, a sealing portion 4 d of the outer packaging film 4 is heat sealed. A laminated-type lead terminal coating film 7 is arranged at a lead terminal 5, 6 connected to the electrochemical element 10 corresponding to the sealing portion 4 d of the outer packaging film 4 , and the melding point of the outermost layer 73 of the lead terminal coating film 7 is set to be lower than the melding point of the innermost layer 41 of the outer packaging film 4.

Rechargeable battery

Technologies are generally described for a battery, a method for implementing a battery and a rechargeable battery system. In some examples, the rechargeable battery system includes a battery. The battery may include a first electrode including a tantalum component, a vanadium component and a boron component. The battery may further include a second electrode and an electrical insulator between the first and the second electrode. The battery system may include a housing, where the housing includes the first electrode, and where the housing is effective to communicate light and oxygen to the first electrode. A sensor may be disposed so as to be effective to detect a reaction of tantalum and oxygen in the housing and generate a reaction signal in response. A processor may be in electrical communication with the sensor and effective to receive the reaction signal and generate an indication based on the reaction signal.

Galvanic cell having a frame and method for the production of said galvanic cell

A frame for a galvanic cell, comprising an electrode stack with a foil-like packaging through which at least two conductors protrude, which is configured such that said frame can be firmly connected to the packaging of the cell during the manufacture of the cell. During the manufacture of such a galvanic cell, in the process of closing the packaging, a frame is firmly connected to the packaging.

Pouch case for secondary battery and secondary battery using the same

A pouch case for a secondary battery in which the width of a metal layer in a plurality of layers to constitute the pouch case is formed narrower than those of other layers so that the metal layer is not exposed to an outer surface of the pouch case. A secondary battery includes an electrode assembly provided with one or more electrode tabs. A pouch case has the electrode assembly accommodated therein, and is formed of a plurality of layers. In the secondary battery, any one of the plurality of layers to constitute the pouch case is formed as a metal layer of which width is narrower than those of the other layers.

Case for Battery and Secondary Battery Including the Case

A case for a battery includes a body including at least four side parts and a first bent part at an edge of at least one of the side parts, the four side parts being arranged to define a volumetric structure having two open ends, a bottom coupled to one of the open ends of the body, and a seal disposed in a space between the first bent part of the body and an edge of the bottom.

Electrode assembly and secondary battery including electrode assembly

Provided is a secondary battery that can raise the strength of a case by including an electrode assembly that has a negative electrode plate in the outermost part. For example, illustrated is an electrode assembly including a negative electrode plate comprising a negative electrode collector, the negative electrode collector having a first negative electrode coating portion disposed on a side of the negative electrode collector and a second negative electrode coating portion disposed on the other side of the electrode collector, a positive electrode plate including a positive electrode collector, the positive electrode collector having a first positive electrode coating portion disposed on a side of the positive electrode collector and a second positive electrode coating portion disposed on the other side of the electrode collector, and a separator disposed between the negative electrode plate and the positive electrode plate, wherein the negative electrode plate is disposed in the outermost part when the negative electrode plate, the positive electrode plate, and the separator are wound.

Thin flexible battery

Disclosed is a thin flexible battery including: an electrode group which includes a positive electrode including a sheet-like positive electrode current collector with a positive electrode active material layer adhering to one surface thereof, a negative electrode including a sheet-like negative electrode current collector with a negative electrode active material layer adhering to one surface thereof, and an electrolyte layer interposed between the positive electrode active material layer and a lithium metal or lithium alloy; and a housing accommodating the electrode group. The housing includes a barrier layer, and resin layers formed on both surfaces thereof. The other surface of the positive electrode current collector and the other surface of the negative electrode current collector are in contact with the resin layer at an inner side of the housing, and have a surface roughness Rz 1 of 0.05 to 0.3 μm.

Pouch type battery and its manufacturing method

Provided are a lithium polymer battery and a method of manufacturing the lithium polymer battery. The lithium polymer battery comprises: an electrode assembly comprising a positive electrode, a negative electrode and a separator; a pouch enclosing the electrode assembly, the pouch comprising a first panel and a second panel generally opposing the first panel, the first panel comprising a first main surface, the second panel comprising a second main surface opposing the first main surface, the pouch further comprising a first step formed in the first panel in a perimeter thereof and stepped from the first main surface toward the second main surface, the first step comprising a first step surface generally parallel to the first main surface; and an insulation tape placed on the first step surface and comprising a first tape surface over the first step surface and facing away from the first step surface, wherein the first main surface is generally planar throughout, and the insulation tape is not placed over the first main surface, and wherein the first step and the insulation tape are sized such that the first tape surface is at a level not substantially higher than the first main surface

Precision Micro-Hole For Extended Life Batteries

Various embodiments of the invention provide an enclosure for a metal-air battery assembly for an extended wear hearing aid. The enclosure includes a diffusion control element having a dimensional property configured for controlling oxygen and moisture diffusion into the metal-air battery assembly to maintain a minimum battery voltage when the hearing aid is operating and worn in an ear canal of a user over an extended period. In an embodiment, the enclosure can comprise a shell with a base end having an opening therein forming a cavity within the shell and a base cap for covering the opening of the base end. A diffusion element is disposed on the base cap. In an embodiment, the diffusion element comprises a laser drilled precision micro hole having an aspect ratio of least about four and a diameter in the range of about 10 to 15 microns.

Implantable Medical Device Having an MRI Safe Rechargeable Battery

Disclosed are improved rechargeable battery designs for an implantable medical device. The improved rechargeable battery is designed to reduce eddy currents in the conductive anode and/or cathode plates within the battery housing, thereby reducing excessive heat and vibrations caused when the battery is placed in a high magnetic field, such as within a MRI machine. Discontinuities may be cut in the anode and/or cathode plates to increase their resistance to eddy currents, while not significantly affecting the internal resistance between these plates.

Nonaqueous electrolyte battery and battery pack

According to one embodiment, a nonaqueous electrolyte battery includes a nonaqueous electrolyte, a positive electrode, a negative electrode and a separator. The nonaqueous electrolyte includes an asymmetric sulfone-based compound and a symmetric sulfone-based compound. The positive electrode includes a composite oxide represented by Li 1−x Mn 1.5−y Ni 0.5−z M y+z O 4 ( 0 ≦x≦ 1, 0 ≦y+z≦ 0.15 , and M is at least one kind of element selected from the group consisting of Mg, Al, Ti, Fe, Co, Ni, Cu, Zn, Ga, Nb, Sn, Zr and Ta). The negative electrode includes a Ti-containing oxide which is capable of absorbing and releasing lithium. The separator includes a nonwoven fabric.

Electricity supply system and electricity supply element thereof

An electricity supply system and electricity supply element thereof is provided. The electricity supply system is made of a plurality of electricity supply elements by stacking or rolling. Each electricity supply element includes a substrate, two current collector layers and two active material layers. The substrate has a plurality of holes and the current collector layers, the active material layers are disposed on two sides respectively. Therefore, the ion migration is permitted by the holes and the electricity is outputted by the current collector layers. Hence, by this new structure of the electricity supply element, the resistance is decreased.

Copper Alloy Metal Strip For Zinc Air Anode Cans

The present disclosure generally relates to a zinc air cell having an anode can made of a copper alloy. The anode can material reduces internal gassing within the electrochemical cell while being compatible with the internal chemistry of the anode and the alkaline electrolyte of the cell itself.

Rechargeable battery pack

A rechargeable battery pack includes a plurality of unit cells adjacent to each other along a first direction in a pouch, the pouch having a terrace portion at one side surface, and a vertical portion on and perpendicular to the terrace portion, a protection circuit module (PCM) electrically connected to the unit cells, the PCM including a concave groove, and the vertical portion of the pouch fitting into the concave groove, and an adhesion member connecting the PCM and the terrace portion of the pouch, the adhesion member including a separation portion configured to concavely separate and fit the vertical portion of the pouch.

Button cell comprising a coil electrode with a thermal fuse

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

Battery pack of compact structure

Disclosed herein is a battery pack including a battery module including a cell module stack having a structure in which a plurality of cell modules, each of which includes a battery cell mounted in a cartridge, is vertically stacked, a lower end plate to support a lower end of the cell module stack, an upper end plate to fix an uppermost cartridge of the cell module stack disposed on the lower end plate, and a voltage detection assembly to detect voltages of the battery cells, a box type pack case in which the battery module is mounted, a pack cover coupled to the pack case, and fastening extension members protruding upward from the battery module to couple the battery module to the pack case and the pack cover.

Secondary battery

A secondary battery of the present invention includes an electrode assembly composed by a first plate and second pole plate, a separator interposed between the first pole plate and the second pole plate, and first and second electrode tabs connected to the first pole plate and the second pole plate, respectively; a battery case, in which a sealing portion is provided in an edge thereof, accommodating the electrode assembly; and an insulation member covering at least some of the sealing portion, wherein the electrode assembly is accommodated into the battery case so that the first and second electrode tabs are drawn out through the sealing portion, and the insulation member is provided to cover at least some of the portion in which the first or second electrode tabs are drawn.

Nickel-zinc rechargeable pencil battery

A rechargeable pencil battery has a hollow cylindrical positive electrode including nickel hydroxide; a gelled negative electrode comprising at least one of zinc and a zinc compound; a separator interposed between the hollow cylindrical positive electrode and the gelled negative electrode; and a negative electrode current collector inserted into the gelled negative electrode. Rechargeable batteries of the invention are capable of between about 50 and 1000 cycles from a fully charge state to a fully discharged state at a discharge rates of about 0.5 C or greater, in some embodiments about 1 C or greater. Batteries of the invention have a ratio of length to diameter of between about 1.5:1 and about 20:1, and therefore can be longer than typical commercially available batteries but also include batteries of commercial sizes e.g. AAAA, AAA, AA, C, D, sub-C and the like.

Nonaqueous electrolyte secondary battery

In one embodiment, a nonaqueous electrolyte secondary battery includes an electrode group, a battery container, an insulation member, and a nonaqueous electrolyte solution. The electrode group includes a positive electrode, a negative electrode and a separator disposed between the positive electrode and the negative electrode. The insulation member, which insulates the positive electrode and the negative electrode from the battery container and absorbs vibration, includes a resin and an inorganic material and has a bending elastic modulus between 600 MPa and 1,500 MPa, a specific heat between 0.25 cal/° C.·g and 0.40 cal/° C.·g, and a thermal conductivity between 0.3 W/m·K and 0.6 W/m·K.

Method for manufacturing battery cell and battery cell manufactured using the same

Disclosed is a method for manufacturing a battery cell including an electrode assembly and electrolyte provided in a battery case composed of a laminate sheet having a resin layer and a metal layer, which includes; (a) thermally fusing and sealing the periphery of the case except for an end part thereof while the electrode assembly is mounted in the case; (b) introducing the electrolyte through the unsealed end part then sealing the same by thermal fusion; (c) charging and discharging the battery cell to activate the same; (d) puncturing the unsealed part inside the end part to form a through-hole communicating with the inside of the case; and (e) pulling top and bottom faces of the battery case in the opposite direction to each other at the unsealed part to open the same while applying vacuum pressure, to thereby remove the gas generated during activation as well as excess electrolyte.

Rechargeable battery

A rechargeable battery that includes an electrode assembly, a case having an inner space and receiving the electrode assembly, and a protective circuit module mounted with a protective element controlling charge and discharge of the electrode assembly, wherein the protective circuit module includes a circuit board installed with the protective element and a metal part fixed to the circuit board and combined to the case.

Polyester film and laminate using same

A polyester film suitable for use in battery packages, particularly for use in deep drawn packages of lithium ion secondary batteries that includes an electrolyte (in a solid state or in a liquid state), and which is also suitable for use in packages of pharmaceutical products that have various shapes. The polyester film is characterized in that the stresses at 5% elongation (F5 values) and the stresses at 10% elongation (F10 values) of the film in the longitudinal direction and in the transverse direction at 25° C., respectively, satisfy (I) and (II): 1.5≧F10 MD /F5 MD ≧1  (I) 1.5≧F10 TD /F5 TD ≧1  (II)

Crimped, prismatic battery structure

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

Molten salt battery and method for production thereof

It is an object to provide a molten salt battery which is capable of stably performing charging and discharging without using an internal elastic body for pressure contact as an essential constituent element. For achieving the object, the molten salt battery of the present invention includes: a molten salt battery body in which positive electrodes and negative electrodes are alternately stacked with a separator containing molten salt as an electrolyte interposed between the positive electrode and the negative electrode; and a battery case which is formed of a material having flexibility and hermetically covers the molten salt battery body while exposing only terminal parts from the positive electrode and negative electrode. When the battery case is brought into a negative pressure state at the inside, the battery case itself compresses the molten salt battery body in a stacking direction under external pressure based on atmospheric pressure.

Secondary battery having improved reliability for humidity penetration

Disclosed is a secondary battery with improved long-term reliability for humidity penetration. The pouch-type secondary battery includes an electrode assembly to which an electrode lead is attached, and a pouch package accommodating the electrode assembly so that the electrode lead is partially exposed outwards, the pouch package having a sealing portion formed along an edge thereof, wherein the sealing portion has a characteristic length of 10 to 19 mm 2 /mm. Since a characteristic length of a sealing portion of a pouch-type secondary battery is restricted to a predetermined range, it is possible to improve long-term reliability of the secondary battery for humidity penetration while suppressing the decrease of capacity of the secondary battery, caused by the area occupied by the sealing portion, to the minimum.

Battery pack

In order to provide a highly-reliable battery back in which a laminate film of a unit battery does not break through a laminate film of an adjacent unit battery even under vibration, a battery pack includes a plurality of unit batteries connected in series. The unit batteries include: a positive-electrode and a negative-electrode pulled-out tabs; and a laminate casing member that is provided with a first end portion, from which the positive-electrode and negative-electrode pulled-out tabs are pulled out. A first fusion-bonding portion has a first fusion-welding length in a direction in which a tab is pulled out at a first end portions side. A second fusion-bonding portion has a second fusion-welding length that is shorter than the first fusion-welding length in a direction in which a tab is pulled out at a second end portions side. Chamfered portions are positioned at both corner portions of the second end portion.

Power supply device, vehicle and electric power storage device including power supply device, and battery cell

A power supply device includes a battery block that includes battery cells, and fasteners that securely hold the battery block. Each of the cells includes an exterior container, a wound electrode, a sealing plate, and a connector. The container has a rectangular exterior shape, and opens on one face. The electrode includes electrode and separator sheets that are wound so that the electrode and separator sheets are alternately superposed on each other. The sealing plate closes the opening of the container. The connector is fastened to the sealing plate and electrically connected to the electrode. The electrode has a thickness smaller than the opening width of the container. The electrode is suspended by connectors so that the electrode is spaced away from the bottom of the container. The fastener securely holds the battery block so that the electrodes are interposed between the interior surfaces of the containers.

Battery pack

In order to provide a highly-reliable battery pack that has resistance to vibration, a battery pack of the present invention is characterized by including a plurality of unit batteries 100 stacked and bonded together with a two-sided adhesive tape 460, the unit batteries 100 including a laminate film casing material by which an electrode laminated body that includes a sheet positive electrode, a sheet negative electrode, and a separator, and an electrolytic solution are sealed, wherein a total outer circumference length of the two-sided adhesive tape 460 is longer than an outer circumference length of an electrode laminated area 105 that is an area corresponding to a location where the electrode laminated body is stored in the laminate film casing material.

Electrochemical energy storage cell and electrochemical energy storage device comprising at least one such electrochemical energy storage cell

An electrochemical energy storage cell ( 10 ) includes an electrode assembly ( 12 ), which comprises at least one first electrode ( 14 ) of a first polarity and at least one second electrode ( 16 ) of a second polarity, and a film-like casing ( 24 ), which at least partially encloses the electrode assembly ( 12 ). To improve safety, the casing ( 24 ) comprises at least one first functional layer ( 243 ), which is designed to be at least partially electrically conductive and is connected to the at least one first electrode ( 14 ) of the electrode assembly ( 12 ) in an electrically conductive manner ( 21 ), and at least one electrical insulating layer ( 245 ), which separates the first functional layer ( 243 ) of the casing ( 24 ) in a layering direction ( 25 ) of the casing from the electrode assembly ( 12 ) in the normal operating state of the energy storage cell ( 10 ).

Non-aqueous secondary battery, mounted unit, and method for manufacturing non-aqueous secondary battery

A non-aqueous secondary battery includes: a positive-electrode collector layer; a positive-electrode layer formed on one surface of the positive-electrode collector layer; a negative-electrode collector layer; a negative-electrode layer formed on one surface of the negative-electrode collector layer so as to be opposed to the positive-electrode layer; a separator provided between the positive-electrode layer and the negative-electrode layer; and a positive-electrode-side insulating layer and a negative-electrode-side insulating layer respectively formed on another surface of the positive-electrode collector layer and another surface of the negative-electrode collector layer. Circumferential inner surfaces of peripheral edges of the positive-electrode collector layer and the negative-electrode collector layer are joined with a sealing agent including at least a positive-electrode fusion layer, a gas barrier layer, and a negative-electrode fusion layer. The positive-electrode-side insulating layer and/or the negative-electrode-side insulating layer has a battery-side recess provided on a surface.

Nonaqueous-secondary-battery layered structure and nonaqueous-secondary-battery layering method

A layered structure includes a configuration in which non-aqueous secondary batteries are layered. Each non-aqueous secondary battery includes: a positive-electrode collector layer; a positive-electrode layer formed on one surface of the positive-electrode collector layer; a negative-electrode collector layer; a negative-electrode layer formed on one surface of the negative-electrode collector layer so as to be opposed to the positive-electrode layer; a separator containing an electrolytic solution provided between the positive-electrode layer and the negative-electrode layer; a positive-electrode-side insulating layer formed on another surface of the positive-electrode collector layer; and a negative-electrode-side insulating layer formed on another surface of the negative-electrode collector layer. Two non-aqueous secondary batteries share one negative-electrode-side insulating layer.

Resin composition and monolayer and multilayer films

Resin composition comprises 35 to 59.9 parts by mass of a propylene polymer (A) satisfying below; 25 to 40 parts by mass of a soft propylene copolymer (B); 0.1 to 10 parts by mass of a polyolefin (C) containing a structural unit derived from an unsaturated carboxylic acid and/or a derivative thereof; and 15 to 30 parts by mass of an ethylene polymer (D) (provided that the total of (A), (B), (C), and (D) is 100 parts by mass), wherein an MFR measured at 230° C. and a load of 2.16 kg according to ASTM D-1238 is 7 g/10 min or more and 25 g/10 min or less, with each component satisfying certain requirements.

Microporous Polyolefin Composite Film Having Excellent Heat Resistance and Thermal Stability and Method for Manufacturing the Same

The following disclosure relates to a microporous polyolefin composite film having excellent heat resistance and thermal stability, and a method for manufacturing the same. More particularly, the present invention relates to a microporous polyolefin composite film capable of improving stability and reliability of a battery by heat sealing an edge of a microporous film provided with a coating layer that includes a polymer binder and inorganic particles, and a method for manufacturing the same.

Package for power storage device and power storage device

A package for a power storage device includes a metal foil layer, an insulation layer laminated on at least center portion of one surface of the metal foil layer, and a heat-sealable resin layer arranged one surface of the metal foil layer or a region corresponding to a periphery of the one surface of the metal foil layer. With this, thinning, weight saving, and shortening of the production time can be attained.

Rechargeable battery module

In a rechargeable battery module including a plurality of unit batteries, the unit batteries include: an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case having a polygonal column shape for accommodating the electrode assembly; and first and second plates respectively sealing openings formed at opposite sides of the case, wherein a surface of the case of a unit battery of the unit batteries contacts a neighboring unit battery of the unit batteries.

Electricity storage devices, outer package members for electricity storage devices, electricity storage device aggregates, electric vehicles, and method of manufacturing electricity storage devices

An electricity storage device is constructed by sealing an electricity storage element inside an outer package member made of a laminate having a thermal adhesive resin layer, and is installed in an electric vehicle as a drive source. The outer package member has a peripheral seal portion and a housing portion formed to a predetermined depth from the inner edge of the peripheral seal portion. The electricity storage device is disposed such that a depth direction (Y direction) of the housing portion and X direction orthogonal to Y direction are aligned with a front-rear direction and a right-left direction of the electric vehicle, and Z direction perpendicular to the depth direction of the housing portion and to X direction is aligned with a height direction of the electric vehicle.

Battery cell of asymmetric structure and battery pack employed with the same

Disclosed herein is a battery cell configured to have a structure in which an electrode assembly including a separator disposed between a cathode and an anode is mounted in a battery case, wherein an asymmetric structure with respect to a central axis crossing the electrode assembly in plane is formed at a portion of at least one side of the electrode assembly constituting the outer circumference of the electrode assembly.

Battery package, assembled battery, and battery device

The present invention provides a battery package used in an assembled battery, which can miniaturize the assembled battery and can impart sufficient durability; an assembled battery which can be miniaturized and have sufficient durability by provision with the relevant battery package; and a battery device provided with the relevant assembled battery.

Battery cell and battery system

The invention relates to a battery cell ( 2 ), comprising a prismatically designed cell housing ( 3 ) with a cover surface ( 31 ), on which a negative terminal ( 11 ) and a positive terminal ( 12 ) are arranged, and at least one electrode coil ( 10 ) which is arranged inside the cell housing ( 3 ) and comprises a cathode ( 14 ) having cathode contact lugs ( 24 ) and an anode ( 16 ) having anode contact lugs ( 26 ). The cathode contact lugs ( 24 ) and the anode contact lugs ( 26 ) extend next to one another from the electrode coil ( 10 ) toward exactly one end face ( 35, 36 ) of the cell housing ( 3 ), the end face ( 35, 36 ) running at a right angle to the cover surface ( 31 ). The invention also relates to a battery system comprising at least one battery cell ( 2 ) according to the invention.

Energy storage device

An energy storage device includes: an electrode assembly; a positive electrode current collector and a negative electrode current collector connected to the electrode assembly; and a container configured to house the electrode assembly and the positive electrode current collector and the negative electrode current collector, wherein the container has recessed portions, a connecting portion of the positive electrode current collector and a connecting portion of the negative electrode current collector respectively connected to the electrode assembly are housed in the recessed portions, respectively, the electrode assembly has a tab portion which includes a connecting portion connected to the positive electrode current collector and a tab portion which includes a connecting portion connected to the negative electrode current collector, and the tab portions have a bent portion respectively.

Secondary battery

The present invention relates to a secondary battery that is capable of preventing short circuit from occurring when a nail test is performed. Also, the secondary battery includes a case accommodating an electrolyte and an electrode assembly therein, and the case includes an external layer exposed to the outside, an internal layer disposed in the case, and a short-circuit prevention layer provided in a liquid phase between the external layer and the internal layer.

Outer covering material for electricity storage devices, and electricity storage device

A packaging material for a power storage device, having a structure in which at least a substrate layer, a metallic foil layer with an anti-corrosion treatment layer being disposed on one face or both faces thereof, an adhesive layer or an adhesive resin layer, and a sealant layer are laminated in this order, wherein at least one layer of the adhesive resin layer and the sealant layer comprises a polyolefin-based resin, and an additive compound with an SP value of 11.0 (cal/cm 3 ) 1/2 or more and 20.0 (cal/cm 3 ) 1/2 or less.

Battery pack

Provided is a battery pack capable of improving volumetric efficiency while reducing the thickness of the entire battery. The battery pack is configured by laminating a plurality of film-sheathed batteries ( 10 ) each including power generating element ( 11 ) and film sheath material ( 12 ) in which internal space ( 13 ) is formed for housing power generating element ( 11 ) along with an electrolyte. Power generating element ( 11 ) includes main surfaces ( 11 a ) that are positioned on both sides in a lamination direction, and side surfaces ( 11 b ) that are adjacent to main surfaces ( 11 a ). Film sheath material ( 12 ) includes housing part ( 14 ) that is provided with main surface covering sections ( 14 a ) for covering main surfaces ( 11 a ) and side surface covering sections ( 14 b ) for covering side surfaces ( 11 b ), main surface covering sections ( 14 a ) and side surface covering sections ( 14 b ) forming internal space ( 13 ), and sealing parts ( 15 ) that protrude from side surface covering sections ( 14 b ) to seal internal space ( 13 ). In one film sheath material, sealing parts 15 are bonded to side surface covering sections ( 14 b ) of the other film sheath material that is adjacent to the one film sheath material in the lamination direction.

Nonaqueous electrolyte battery and battery pack

According to one embodiment, a nonaqueous electrolyte battery includes a negative electrode, a positive electrode, and a nonaqueous electrolyte. When the nonaqueous electrolyte battery is discharged at a constant current of 0.5 C until a voltage becomes 1.5 V, a curve obtained by taking dQ/dV during the discharge as a vertical axis and voltage as a horizontal axis has a first peak and a second peak. The firs peak is a peak that appears within a range of from 2.54 V to 2.65 V, and the second peak is a peak that appears within a range of from 2.4 V to less than 2.54 V. A dQ/dV peak intensity A of the first peak and a dQ/dV peak intensity B of the second peak satisfy 0.8≦A/B 1.0.

Resin coated metal laminate, battery package, and battery

The present invention relates to a resin coated metal laminate comprising at least a sealant layer, a barrier layer, and a substrate layer in this order, wherein the barrier layer includes stainless steel having a thickness of 50 μm or less, the substrate layer includes a polyamide as a main component, a thickness of the substrate layer is thinner than a thickness of the barrier layer, and a maximum value of tensile strength in a tensile test of the substrate layer is 25 N/mm or more, as well as a battery package and a battery using the resin coated metal laminate.

Electrode assembly with porous structure and secondary battery including the same

The present invention relates to an electrode assembly of a porous structure and a secondary battery including the same. In an electrode assembly including a plurality of anodes, cathodes, and separators, the present invention provides a secondary battery including an electrode assembly including one or more through holes, and a passing sealing portion supplementarily sealed on positions corresponding to the through holes. The secondary battery according to the present invention may prevent the inner short and increase safety by including the fused portion of an electrode assembly and a battery case, stably fixing them, and holding back the movement of the electrode assembly. In addition, the present invention has an effect of being capable of greatly enhancing impregnation on electrolyte since the electrode assembly has a porous structure.

Flexibly-packaged secondary battery

The present disclosure provides a pouch-type secondary battery, which comprises an electrode assembly, a packaging film. The packaging film comprises a first receiving portion, a second receiving portion, a third receiving portion. The third receiving portion is parallel to the first receiving portion, a portion of the electrode tab extends out of the third receiving portion. A joint location between the second receiving portion and the first receiving portion and a joint location between the second receiving portion and the third receiving portion each are formed with a bending angle, the bending angles are equal and each range from 130° to 160°. Because the bending angles in the range are relatively large, when the packaging film is tightly pressed, there is no need to apply a too large pressure on the second receiving portion and the third receiving portion, so the electrode tab is not easily damaged or even ruptured.

Thin conductors, connectors, articles using such, and related methods

Electrically conductive thin metallic films are disclosed. The thin films can be used to form shaped or patterned electrical conductors for consumer goods and electronic applications. Various connectors are also described which can be used in conjunction with the conductors to form thin layered assemblies such as battery testers. Also disclosed are methods for producing the shaped or patterned electrical conductors.

Battery cell for an electric vehicle battery pack

This disclosure provides a battery cell for an electric vehicle battery pack. The battery cell can include a housing containing an electrolyte material, a first polarity terminal disposed at a lateral end of the battery cell, and a buckling plate disposed at the lateral end of the battery cell. The buckling plate can include a planar portion and a domed portion. The domed portion can deflect the electrolyte material in response to a first predetermined threshold pressure within the battery cell. The battery cell can include a melting component including an inner ring electrically coupled to a perimeter of the domed portion of the buckling plate, and an outer ring electrically coupled to the electrolyte material. A plurality of spokes can couple the inner ring with the outer ring and can melt in response to either a predetermined threshold temperature or a predetermined threshold current.

Monitoring a state variable of at least one battery cell of a battery

A method for monitoring a state variable of at least one battery cell of a battery. The battery has at least two battery cells that are arranged adjacent to one another. A first electrically conductive surface is provided at a boundary surface of a first battery cell and a second electrically conductive surface is provided at a boundary surface of a second battery cell. The electrically conductive surfaces are arranged electrically insulated from each other. An electrical voltage is applied between the two electrically conductive surfaces. An electrical variable produced due to an effect of the electrical voltage is analyzed. The state variable on the basis of the analysis is determined.

Nonaqueous electrolyte battery and battery pack

According to one embodiment, there is provided a nonaqueous electrolyte battery. The nonaqueous electrolyte battery includes a negative electrode, a positive electrode, and a nonaqueous electrolyte. The positive electrode includes a nickel-cobalt-manganese composite oxide represented by a composition formula Li 1-a Ni x Co y Mn z O 2 . Subscripts x, y, and z satisfy an inequality 0.1≦x/(y+z)≦1.3, and subscript a satisfies 0≦a≦1. A ratio A S /A Ni of an S atom abundance ratio A S to an Ni atom abundance ratio A Ni of a surface of the positive electrode is 0.4 to 5. A ratio p/n of a capacity p of the positive electrode to a capacity n of the negative electrode is within a range of 1.2 to 2.

Nonaqueous electrolyte battery and battery pack

According to one embodiment, a nonaqueous electrolyte battery that includes a positive electrode, a negative electrode, and a nonaqueous electrolyte is provided. The positive electrode includes a positive electrode active material. The negative electrode includes a negative electrode active material that absorbs and releases lithium at 0.4 V vs. Li/Li + or higher. The nonaqueous electrolyte is dissolved in a nonaqueous solvent that includes γ-butyrolactones substituted by a hydrocarbon substituent at an alpha position.

Pouch for Secondary Battery and Pouch Type Secondary Battery

A pouch for a secondary battery according to an embodiment of the present invention for solving the above problem includes: a surface protection layer made of a first polymer and formed at the outermost layer; a sealant layer made of a second polymer and formed at the innermost layer; a gas barrier layer made of a metal and stacked between the surface protection layer and the sealant layer; and a heat dissipation layer made of ceramic, stacked between the surface protection layer and the sealant layer, and configured to release heat to the outside of the pouch when a predetermined pressure is applied thereto.

Battery pack

A battery pack includes a plurality of unit batteries, each including a pair of first side surfaces and a pair of second side surfaces perpendicular to the pair of first side surfaces, the unit batteries being side-by-side in a first direction such that the pair of first side surfaces face each other. A protective circuit module including a substrate and protective devices mounted on the substrate is electrically connected to the unit batteries adjacent to top portions of the unit batteries. A first cap cover accommodates the protective circuit module and the top portions of the unit batteries. A second cap cover is spaced apart from the first cap cover with the unit batteries therebetween. The second cap cover accommodates bottom portions of the unit batteries. At least one of the first cap cover and the second cap cover includes a rib extending in a region between adjacent unit batteries.

Rectangular electricity storage device and method for producing rectangular electricity storage device

A rectangular electricity storage device includes a prism-shaped electrode group with an upper surface, a lower surface, and four lateral surfaces, the electrode group including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode; an electrolyte; a case with an opening portion, the ease housing the electrode group and the electrolyte; a cover plate covering the opening portion of the case; and an insulation sheet interposed between the electrode group and the case, and insulating the electrode group and the case from each other, wherein the insulation sheet is folded so as to surround the lower surface and the four lateral surfaces of the electrode group.

Nonaqueous electrolyte secondary battery and method of manufacturing the same

A nonaqueous electrolyte secondary battery includes an electrode body ( 20 ), a nonaqueous electrolytic solution, a battery case ( 80 ), and a bag-shaped film ( 10 ). The electrode body has a laminate structure in which a positive electrode ( 30 ) and a negative electrode ( 40 ) are laminated. The battery case accommodates the electrode body and the nonaqueous electrolytic solution. The bag-shaped film covers the electrode body to insulate the electrode body and an inner wall of the battery case from each other. An inner pressure of the battery case is adjusted to be 0.14 MPa to 0.23 MPa.

Safely Ingestible Batteries that Rapidly Deactivate in Biological Environments and Methods of Making Same

The present disclosure provides batteries that have a reduced risk or no risk of esophageal or gastrointestinal damage in a conductive aqueous environment, such as when accidentally swallowed. The batteries are, in some embodiments, nominally 9V, 3V or 1.5V coin or button cell-type batteries.

Stepped electrochemical cells with folded sealed portion

A pouched energy storage device can include a cell housing portion and a sealed portion. The device can also include a stack of electrodes housed within an inner region of the cell housing portion. Each electrode can have dimensions of width, length, and thickness. One or more electrodes can have at least one of the dimensions smaller than a corresponding dimension of other electrodes in the stack of electrodes. The device can also include an indentation on the cell housing portion adjacent the sealed portion. The indentation can form a stepped region in the inner region that is complimentary to the one or more electrodes having at least one of the dimensions smaller than a corresponding dimension of other electrodes in the stack of electrodes. The sealed portion can be folded onto the cell housing portion so that at least a part of the sealed portion resides in the indentation.

Pouch type rechargeable battery

A pouch-type rechargeable battery includes an electrode assembly performing charging and discharging, a pouch forming a sealing portion at a side surface of a cell body receiving the electrode assembly by sealing an outer portion thereof and forming a terrace drawing out a first lead tab and a second lead tab connected to the electrode assembly at the other side surface of the cell body, and an insulation tape insulating the sealing portion from the cell body and including a short circuit check hole adjacent to the end of the terrace. The insulation tape insulates both side ends of the end.

Biocompatible rechargable energization elements for biomedical devices

Methods and apparatus to form biocompatible energization elements are described. In some embodiments, the methods and apparatus to form the biocompatible energization elements involve forming cavities comprising active cathode chemistry. The active elements of the cathode and anode are sealed with a laminate stack of 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.

Nonaqueous electrolyte secondary battery

A nonaqueous electrolyte secondary battery (10) according to one embodiment of the present disclosure is provided with: an electrode body (14) which is obtained by winding a positive electrode (30) and a negative electrode (40), with a separator (50) being interposed therebetween; a nonaqueous electrolyte; and a battery case (15) which is formed of a metal and contains the electrode body (14) and the nonaqueous electrolyte. The negative electrode (40) comprises a negative electrode collector (41) and a negative electrode active material layer (42) that contains graphite particles as a negative electrode active material; the outer circumferential surface of the electrode body (14) is provided with an exposure part (43) from which the negative electrode collector (41) is exposed so as to be in contact with the inner circumferential surface of the battery case (15); and the graphite particles have a compressive strength of 15 MPa or more.

LITHIUM SECONDARY BATTERY CASE FOR SUPPRESSING DEFORMATION OF ELECTRODE ASSEMBLY

A lithium secondary battery case composed of laminate sheet including an outer layer/barrier layer/inner layer structure is provided. The case includes a first region in which gas discharge is easier or expansion is relatively easier compared to a second region. The second region is a remaining region that excludes the first region. The laminate sheet forms the first region by either not including the barrier layer or including a barrier layer having a slit therein. 1. A battery case for a lithium secondary battery made of a laminate sheet including an outer layer/barrier layer/inner layer structure , the battery case comprising:a first region that is a region in which gas is discharged or is a region that is relatively easily expanded compared to a second region of the battery case; andthe second region is a remaining region excluding the first region,wherein, in the first region, the laminate sheet does not include the barrier layer or the laminate sheet includes the barrier layer in which a slit is formed.2. The battery case of claim 1 , further comprising:a receiving portion in which an electrode assembly is accommodated; anda gas pocket portion in which gas generated during an activation process is collected, wherein the first region is formed in the gas pocket portion.3. The battery case of claim 1 , wherein the barrier layer is aluminum or an aluminum alloy.4. The battery case of claim 1 , wherein the laminate sheet constituting the first region does not contain the barrier layer.5. The battery case of claim 1 , wherein the laminate sheet constituting the first region includes the barrier layer having a slit formed therein.6. The battery case of claim 4 , further comprising:a receiving portion in which an electrode assembly is accommodated; anda gas pocket portion in which gas generated during an activation process is collected, the gas pocket portion having a first end that meets the receiving portion and a second end spaced from the first end,wherein the ...

Battery and battery case included in battery, and battery case member for building battery case

The present disclosure provides a battery case that is formed by joining two battery case members to each other to improve the mechanical strength at a joined portion of the members. The battery case disclosed herein is a hexahedral box-shaped battery case including two rectangular wide faces, three rectangular side walls that are present between the two wide faces, and an opening part. The battery case is characterized in that the joined portion is included along the circumference (three sides) of the battery case.

Hermetic packaging member for flexible electrochemical device and electrochemical device including the hermetic packaging member

A hermetic packaging member for packaging and sealing an electrode assembly of an electrochemical device includes an edge unit and a receiving unit having a predetermined depth in a thickness direction of the hermetic packaging member from the edge unit to receive the electrode assembly therein. The receiving unit includes a slope portion connected to the edge unit and a plateau portion surrounded by the slope portion. The slope portion includes a plurality of ridges and a plurality of valleys defined between the plurality of ridges.

Lithium secondary batteries and nonaqueous electrolyte for use in the same

[In general formula (1), R1 and R2 are an organic group having 1-12 carbon atoms and n is an integer of 3-10. In general formula (2), R3 to R5 are an organic group having 1-12 carbon atoms; x is an integer of 1-3; and p, q, and r each are an integer of 0-3, provided that 1≤p+q+r≤3. In general formula (3), R6 to R8 are an organic group having 1-12 carbon atoms and symbol A is a group constituted of H, C, N, O, F, S, Si, and/or P.]

COMPOSITE MATERIAL INCLUDING ALUMINIUM-BASED MATRIX AND DEVICE ADOPTING THE SAME

There are a composite material including an aluminum-based matrix and a device adopting the same. The composite material including an aluminum-based matrix may include an aluminum-based matrix including a plurality of grains, wherein each of the grains has a plurality of sub-grains; and a self-organized phase present at a sub-grain boundary between the plurality of sub-grains, wherein the self-organized phase has a band structure and includes a solid solution of aluminum and a non-metal element. The sub-grains and the self-organized phase coming into contact with the sub-grains may form a substantially coherent interface. A plurality of dislocations spaced apart from each other may be provided along the coherent interface. 1. A composite material comprising an aluminum-based matrix , comprising:an aluminum-based matrix comprising a plurality of grains, wherein each of the grains has a plurality of sub-grains; anda self-organized phase present at a sub-grain boundary between the plurality of sub-grains, wherein the self-organized phase has a band structure and comprises a solid solution of aluminum and a non-metal element,wherein a deviation in lattice constant between the self-organized phase and the sub-grains is in a range of 1% to 5%.2. The composite material of claim 1 , wherein a plurality of dislocations spaced apart from each other are provided along the interface between the sub-grains and the self-organized phase coming into contact with the sub-grains.3. The composite material of claim 1 , wherein the self-organized phase has a lattice constant higher than those of the sub-grains.4. The composite material of claim 1 , wherein the self-organized phase has a lattice constant of 0.408 nm to 0.424 nm.5. The composite material of claim 1 , wherein a first sub-grain is provided on one side of the self-organized phase and a second sub-grain is provided on the other side of the self-organized phase claim 1 , anda crystal orientation direction of the second sub- ...

Surface treated steel sheet for battery case, battery case and battery using the case

A surface treated steel sheet for a battery case, which has a diffusion layer of a nickel-phosphorus alloy or a nickel-cobalt-phosphorus alloy formed on the outermost layer of the inside surface of a plated steel sheet for a battery case; a battery case which is produced through forming the surface-treated steel sheet having a diffusion layer of a nickel-phosphorus alloy or a nickel-cobalt-phosphorus alloy by the deep drawing method, the DI forming or the DTR forming: and a battery using the battery case. The battery case can be used for producing a battery excellent in battery characteristics.

Electrically Isolated Battery Can Assembly

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

Lithium-ion cell using aluminum can

An energy storage device having improved gravimetric energy density is provided, and methods of manufacturing the same. The device can be an electrochemical cell that includes: a negative electrode including a negative electrode active material in electrically conductive contact with a negative electrode current collector and a negative electrode tab including a first attachment end and a second attachment end, the first attachment end of the negative electrode tab being connected to the negative electrode current collector and the second attachment end of the negative electrode tab being connected to a negative terminal; an electrically insulative and ion conductive medium in ionically conductive contact with the positive electrode and the negative electrode; and an outer can containing the positive electrode, negative electrode and electrically insulative and ion conductive medium, where the negative terminal is electrically isolated from the outer can.

Button battery for improving utilization rate of radial space

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

Case assembly, prismatic secondary battery, and fabrication method thereof

Provided are a case assembly, a prismatic secondary battery, and a method of fabricating the prismatic secondary battery. The prismatic secondary battery includes: an electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first and second electrode plates; a case formed of a first material, wherein an electrode assembly accommodation cavity is formed in the case to accommodate the electrode assembly, and an opening through which the electrode assembly is to be inserted is formed in a portion of the case is formed in a portion of the case; and a cap plate sealing the opening. A gas discharge hole is formed in the case to discharge gas generated during a pre-charging operation. The gas discharge hole is sealed with a gas seal formed of a second material.

Tubular form biomedical device batteries with electroless sealing

Designs, strategies and methods for forming tube shaped batteries are described. In some examples, hermetic seals may be used to seal battery chemistry within the tube-shaped batteries. This may improve biocompatibility of energization elements. In some examples, the tube form biocompatible energization elements may be used in a biomedical device. In some further examples, the tube form biocompatible energization elements may be used in a contact lens.

ULTRA-LOW TEMPERATURE AND HIGH-CAPACITY PRIMARY LITHIUM BATTERY AND PREPARATION METHOD THEREOF

An ultra-low temperature and high-capacity primary lithium battery and a preparation method thereof. The primary lithium battery includes a dry cell, an electrolyte and a case. The battery is made by placement of the dry cell into the case, injection of the electrolyte, primary aging, sealing and secondary aging successively. The dry cell includes multiple unit sub-cells, and each unit sub-cell is repeated lamination of a positive plate, separator, a negative plate and another separator or lamination and winding. All unit sub-cells are enclosed such that the heat generated by the primary lithium battery during operation circulates inside the battery. 1. A primary lithium battery , comprising:a dry cell;an electrolyte; anda case;wherein the primary lithium battery is prepared by placement of the dry cell into the case, injection of the electrolyte, primary aging, sealing and secondary aging successively; the dry cell comprises a plurality of unit sub-cells; each of the plurality of unit sub-cells is formed by repeated lamination of a positive plate, a separator, a negative plate and another separator or by repeated lamination and winding; the plurality of unit sub-cells are enclosed such that heat generated by the primary lithium battery during operation circulates inside the primary lithium battery;the positive plate comprises a cathode material, a first conductive agent, a first binder and an aluminum foil current collector or an aluminum mesh current collector with a first reserved tab; and the positive plate is manufactured by pulping, coating, drying, rolling and sheeting in sequence;the negative plate comprises an anode material, a second conductive agent, a second binder and a copper foil current collector or a copper mesh current collector with a second reserved tab; and the negative plate is manufactured by pulping, coating, drying, rolling and sheeting in sequence;the separator is made of polypropylene, polyethylene or a combination thereof; and the ...

Welding apparatus

There is provided an apparatus 1 that includes a pair of molds 10a and 10b that press together, heat, and weld an overlapping part of a plurality of film-like members, a pair of heater blocks 20a and 20b that respectively support the pair of molds; a plurality of first support blocks 37 that are connected via a plurality of rod-like members 50, which midway include parts that restrict transmission of heat, to one heater block 20a; a plurality of second support blocks 38 that are connected via the plurality of rod-like members to the other heater block 20b; and a driving mechanism 60 that changes, via the support blocks, a gap between the pair of molds to press together the film-like members. The plurality of first support blocks include at least one movable support block 39 including a mechanism 35 that moves in a first direction relative to the driving mechanism corresponding to thermal deformation in the first direction of the heater block to be supported, and the plurality of second support blocks include at least one movable support block 39.

Battery assembly techniques

Battery assembly techniques and a corresponding system are disclosed. In various embodiments, the battery assembly techniques include compressing battery cells and inserting the battery cells in a can. Battery cells are stacked and then compressed using pneumatic cylinders that exert pressure on a first external layer of the stacked battery cells. A first portion of the stacked battery cells is released from the pneumatic cylinders while a second portion of the battery cells remains compressed. The first portion of the stacked battery cells is inserted in a can. In various embodiments, friction decreasing materials are added to the stacked battery cells to compress the stacked battery cells or ease insertion.

Aluminium pouch film for secondary battery, packaging material comprising same, secondary battery comprising same, and manufacturing method therefor

This invention relates to an aluminum pouch film for a secondary battery and a manufacturing method thereof, the aluminum pouch film including: an aluminum layer; an outer resin layer formed on the first surface of the aluminum layer; a first adhesive layer for adhering the aluminum layer to the outer resin layer; an inner resin layer formed on the second surface of the aluminum layer; and a second adhesive layer for adhering the aluminum layer to the inner resin layer.

Battery

A battery, including an electrode assembly including a central hole, at least one positive electrode, at least one negative electrode, and at least one diaphragm separating the at least one positive electrode from the at least one negative electrode. The at least one positive electrode, the at least one negative electrode and the at least one diaphragm are disposed around the central hole in a spiral winding manner. The central hole has a diameter of greater than 0 and smaller than that of the battery. A pin assembly is disposed in the central hole. The pin assembly includes a housing including an axial through hole. The housing is partially or fully disposed in the central hole. At least one integrated circuit device is disposed in the axial through hole. The at least one integrated circuit device includes at least one access terminal and one output terminal.

SINGLE CELL, POWER BATTERY PACK, AND ELECTRIC VEHICLE

A cell, a power battery pack, and an electric vehicle are provided. The cell includes a cell body, and the cell body has a length L, a width H and a thickness D. The length L of the cell body is greater than the width H, the width H of the cell body is greater than the thickness D, the length L of the cell body is greater than 600 mm, and the length L and the width H of the cell body satisfy L/H=4-21. 1. A cell , comprising:a cell body, having a length L, a width H and a thickness D, the length L of the cell body being greater than the width H, and the width H of the cell body being greater than the thickness D, whereinthe length L of the cell body is greater than 600 mm; and the length L and the width H of the cell body satisfy L/H=4-21.2. The cell according to claim 1 , wherein the length L and the width H of the cell body satisfy L/H=9-13.3. The cell according to claim 1 , wherein the length L and the thickness D of the cell body satisfy L/D=23-208.4. The cell according to claim 1 , wherein the length L of the cell body and the volume V of the cell body satisfy L/V=0.0005-0.002 mm.5. The cell according to claim 1 , wherein the width H of the cell body and the volume V of the cell body satisfy H/V=0.0001 mm-0.00015 mm.6. The cell according to claim 1 , wherein the thickness D of the cell body and the volume V of the cell body satisfy D/V=0.0000065 mm-0.00002 mm.7. The cell according to claim 1 , wherein the length L of the cell body and the surface area S of the cell body satisfy L/S=0.002 mm-0.005 mm.8. The cell according to claim 1 , wherein the surface area S of the cell body and the volume V of the cell body satisfy S/V=0.1 mm-0.35 mm.9. The cell according to claim 1 , wherein the surface area S of the cell body and the energy E of the cell body satisfy S/E≤1000 mm·Wh.10. The cell according to claim 1 , wherein the length L of the cell body and the energy E of the cell body satisfy L/E=0.8 mm·Wh-2.45 mm·Wh.11. The cell according to claim 1 , wherein the length ...

Pouch exterior material for secondary battery, pouch type secondary battery using the same, and method of manufacturing the same

A pouch exterior material that enables an electrode assembly to be easily mounted on an accommodating portion at a proper position, having an integrated shape and including an inserting portion provided at a center of the pouch exterior material and having a width equal to a thickness of the electrode assembly, accommodating portions provided symmetrically at two sides of the inserting portion and gradually deepening from a portion corresponding to a width center of the electrode assembly towards a portion corresponding to an edge of the electrode assembly, and a triangular stepped portion provided at two ends of the inserting portion and having a depth gradually decreasing towards an end.

Method of manufacturing prismatic type battery case

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

Terminal coating resin film and power storage device using the same

A terminal coating resin film used for sealing current output terminals in power storage devices or power generation devices. The terminal coating resin film comprises a resin composition having adhesion to the current output terminals. The resin composition contains at least one of a thermosetting resin and a thermoplastic resin having a melting point of 160° C. or higher and does not contain any thermoplastic resin having a melting point of less than 160° C.

Method for battery tab attachment to a self-standing electrode

The present disclosure is directed to methods of securing battery tab structures to binderless, collectorless self-standing electrodes, comprising electrode active material and carbon nanotubes and no foil-based collector, and the resulting battery-tab secured electrodes. Such methods and the resulting battery tab-secured electrodes may facilitate the use of such composites in battery and power applications.

Prismatic secondary battery

A prismatic secondary battery in which a deformation plate becoming deformed when a pressure inside the battery becomes equivalent to or higher than a predetermined value is disposed in a conductive path between a positive electrode plate and a positive electrode terminal, a positive electrode collector connected to the positive electrode plate includes a collector body portion, a collector connection, and a lead portion, the end portion of the lead portion on one end portion side of the sealing plate in the longitudinal direction is positioned on the one end portion side of the sealing plate in the longitudinal direction with respect to an end portion of the collector body portion on the one end portion side of the sealing plate in the longitudinal direction, the collector body portion is connected to the deformation plate, and the lead portion is connected to a positive lead portion.

Mold structure for forming secondary battery pouch

According to an embodiment, a mold structure comprises an upper mold having a convex portion in a lower surface thereof to press-form a thin aluminum sheet, a lower mold including a main mold part having a forming recess for forming the thin aluminum sheet placed thereon and an auxiliary mold part supporting the main mold part, a back plate spaced apart from an inside of the forming recess and supporting a lower surface of the aluminum sheet, and vacuum generator connected with air passages formed from two opposite sides of the auxiliary mold part to a bottom surface of the forming recess.

Secondary battery

A secondary battery includes an electrode assembly; a case accommodating the electrode assembly; a cap plate coupled to a top portion of the case; an electrode terminal electrically connected to the electrode assembly and including a terminal pillar passing through the cap plate, and an extension part extending horizontally from a top end of the terminal pillar; a terminal plate electrically connected to the electrode terminal; an insulation member between the terminal plate and the cap plate; and a fuse part defined by a portion of the extension part and the terminal plate that are welded to each other and located on the insulation member.

Battery, battery pack, and vehicle

According to one embodiment, a battery includes a container member, electrode groups, and a sheet member. In the interior of the container member, the sheet member forms a partition wall that separates adjacent electrode groups from each other. The sheet member includes a metal layer and an insulating layer. In the sheet member, the metal layer forms an electric path, and the electric path electrically connects the adjacent electrode groups. In the sheet member, the insulating layer is laminated on both sides of the metal layer in an arranging direction of the adjacent electrode groups.

Energy storage device

An energy storage device includes a first locking portion for locking a rotation of a positive electrode current collecting member about a shaft portion of a positive electrode terminal with respect to a lower insulating member. The first locking portion includes: a recessed portion formed on the lower insulating member; and a projecting portion formed on the positive electrode current collecting member. The recessed portion is indented away from the shaft portion in a direction which intersects with the shaft portion. The projecting portion projects away from the shaft portion in the direction which intersects with the shaft portion. The recessed portion and the projecting portion are configured to engage with each other. A leg portion is positioned closer to an end portion of a lid body in a longitudinal direction of the lid body than the first locking portion is.

Sealed battery and method for manufacturing the same

Provided is a technique for suppressing welding faults caused in sealing a case of a sealed battery by laser welding. A step for manufacturing a sealed battery having a case sealed by a sealing plug and a sealing plate, which includes a sealing step for fitting the sealing plug into a pouring hole formed in a recess of a lid portion and inserting the sealing plate into the recess, and a welding step for joining the sealing plate to the recess by laser welding. In the sealing step, a heat-insulating member is provided in a minute space defined by the recess, the sealing plug and the sealing plate so as to block at least a part of the boundary portion between the sealing plate and the recess. In the welding step, welding is completed at a position where the heat-insulating member is present in the boundary portion.

Thin film solid-state microbattery packaging

Systems and/or techniques associated with a solid-state microbattery packaging system are provided. In one example, a device comprises a substrate layer and a tape substrate layer. The substrate layer is associated with a set of solid-state microbattery components. The tape substrate comprises a releasable adhesive material and a polymer sealing material. A conductive surface associated with the set of solid-state microbattery components is disposed on the releasable adhesive material of the tape substrate layer.

Power storage device and electronic device

To improve the flexibility of a power storage device, or provide a high-capacity power storage device. The power storage device includes a positive electrode, a negative electrode, an exterior body, and an electrolyte. The outer periphery of each of the positive electrode active material layer and the negative electrode active material layer is a closed curve. The exterior body includes a film and a thermocompression-bonded region. The inner periphery of the thermocompression-bonded region is a closed curve. The electrolyte, the positive electrode active material layer, and the negative electrode active material layer are in a region surrounded by the thermocompression-bonded region.

Electrode assembly comprising reinforcing member capable of minimizing deformation of electrode and stacked structure of unit cell by protecting unit cell from external impact

The present disclosure provides an electrode assembly including a unit cell stack having n unit cells stacked with a separation film interposed therebetween and at least one reinforcing member formed from metal that integrally covers at least one of the upper and lower surfaces and at least one side surface of the unit cell stack. In particular, n is an odd number excluding 1. Additionally, in each unit cell, one or more cathodes and one or more anodes are stacked with a separator interposed therebetween. Accordingly, the unit cells are protected against external impacts.

Polymerized lithium ion battery cells and modules with overmolded heat sinks

A lithium ion (Li-ion) battery cell includes a prismatic housing that includes four sides formed by side walls coupled to and extending from a bottom portion of the housing. The housing is configured to receive and hold a prismatic Li-ion electrochemical cell element. The housing includes an electrically nonconductive polymeric (e.g., plastic) material. Additionally, a heat sink is overmolded by the polymeric material of the housing, such that the heat sink is retained in an outer portion of the sides of the housing and the heat sink is exposed along the bottom portion of the housing.

Injection Molding Method

An injection molding method includes a filling step of pressing a nozzle of which at least a part is heated against a sprue of an insert mold and filling a molding cavity of the insert mold with a resin material in a molten state from the nozzle. After the filling step, waiting until the temperature of a front end part of the nozzle becomes equal to or lower than the melting point of the resin material in a state in which the nozzle remains pressed against the sprue in a waiting step.

Secondary battery including integrated anode and cathode leads and method of manufacturing the same

Provided is a secondary battery including integrated anode and cathode leads and a method of manufacturing the same. An anode lead and a cathode lead of a secondary battery aligned to be parallel with respect to each other are encompassed by a single lead film. Thus, sealing may be easily implemented, lead film components may be managed as one component, and vibrations of an electrode lead may be prevented.

Secondary battery

A secondary battery includes an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode, a cap assembly electrically connected to the first electrode, a case accommodating the electrode assembly therein, the case having an opening in which the cap assembly is inserted, a first insulator between the cap assembly and the case, and a second insulator between the first insulator and the cap assembly. In the secondary battery, the second insulator has a higher melting point than the first insulator, thereby improving durability.

System and method for a stable high temperature secondary battery

A system for a high temperature, high energy density secondary battery that includes an electrolyte comprising an ionic liquid solvent, and electrolyte salts; a metallic anode; a cathode, compatible with the electrolyte and comprising an active material and a polyimide binder; and a separator component that separates the cathode and anode.

Packaging material for power storage device, packaging case for power storage device, and power storage device

A packaging material for a power storage device includes a heat resistant resin layer 2 as an outer layer, a sealant layer 3 as an inner layer, and a metal foil layer 4 arranged between these layers. The sealant layer 3 is composed of one layer or a plurality of layers. The innermost layer 7 of the sealant layer contains a random copolymer containing propylene as a copolymerization component and another copolymerization component other than propylene, a roughening material, and a lubricant. The roughening material is composed of particles containing a thermoplastic resin. The center line average roughness Ra of the surface 7 a of the innermost layer 7 is 0.05 μm to 1 μm. It can provide a packaging material for a power storage device which is excellent in formability and hard to generate white powder on the surface.

Rechargeable battery and case manufacturing method of case including the same

A rechargeable battery capable of preventing rust generation at an opening side of a battery case. The rechargeable battery according to embodiments of the present invention includes: an electrode assembly; a case having an opening and accommodating the electrode assembly; and a cap assembly electrically connected to the electrode assembly, and coupled to an opening side of the case with a gasket interposed therebetween, wherein the opening side of the case includes a trimming end, a gap proximate the trimming end, and a coating layer on an inner surface of the gap proximate the trimming end.