Flexible chargeable sheet battery for mobile devices containers and bags is sealed in watertight material and formed in individual narrow strips

Flexible chargeable battery (1a) for operating mobile apparatus comprises an arrangement in individual narrow strips that is sealed into a flexible watertight material. Preferably the watertight material is transparent or colored.

Flüssigbatteriefähiges Untertagestromversorgungssystem

Ein Batteriezellengehäuse und Steuerungssystem ermöglicht die Verwendung von Flüssigbatteriestromversorgungssystemen in verschiedenen Anwendungen einschließlich Untertageumgebungen. Das Zellgehäuse beinhaltet eine Vielzahl von leitfähigen Anschlüssen, die dortherum beabstandet sind, um Leitfähigkeit zwischen der elektrochemischen Lösung und der Last bereitzustellen. Sensoren stellen Ausrichtungsdaten an das Steuerungssystem bereit, um dadurch zu bestimmen, welche Anschlüsse aktiviert werden sollten, um eine Last mit Strom zu versorgen.

Liquid Battery Ready Downhole Power System

A battery cell housing and control system enables the use of liquid battery power systems in various applications, including downhole environments. The cell housing includes a plurality of conductive terminals spaced there-around to provide conductivity between the electrochemical solution and the load. Sensors provide orientation data to the control system to thereby determine which terminals should be activated to provide power to a load.

LIQUID BATTERY READY DOWNHOLE POWER SYSTEM

A battery cell housing and control system enables the use of liquid battery power systems in various applications, including downhole environments. The cell housing includes a plurality of conductive terminals spaced there-around to provide conductivity between the electrochemical solution and the load. Sensors provide orientation data to the control system to thereby determine which terminals should be activated to provide power to a load.

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 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.

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

ТЕРМОЧЕХОЛ ДЛЯ ЭЛЕКТРОВЕЛОСИПЕДА С НАГРЕВАТЕЛЬНЫМИ ЭЛЕМЕНТАМИ

Полезная модель относится к устройствам для хранения или транспортировки изделий и материалов, а именно к термочехлам для электровелосипеда с нагревательными элементами. Техническим результатом является уменьшение тепловых потерь путем обеспечения высокой герметичности внутреннего объема термочехла, который достигается за счет того, что термочехол для электровелосипеда, выполненный с возможностью размещения в его внутреннем объеме аккумулятора и имеющий боковые стенки, а также верхние и нижнюю крышки, соединенные с боковыми стенками, с торцевых частей боковых стенок выполнены элементы текстильных застежек с возможностью их соединения между собой, сверху боковой стенки выполнена крышка с элементом текстильной застежки с возможностью фиксации элементом текстильной застежки с ответным элементом текстильной застежки, размещенным на внешней части боковой стенки термочехла, снизу выполнена нижняя крышка с элементами текстильных застежек с боковых сторон и нижней стороны, указанные элементы текстильных ...

УСИЛЕННОЕ НЕСУЩЕЕ СРЕДСТВО ДЛЯ АККУМУЛЯТОРНОЙ БАТАРЕИ И СПОСОБ СБОРКИ УСИЛЕННОЙ АККУМУЛЯТОРНОЙ БАТАРЕИ

Группа изобретений относится к усиленному несущему средству и способу его сборки для аккумуляторной батареи электрического или гибридного транспортного средства. Несущее средство содержит: несущее устройство и усиливающую структуру боковой стенки. Несущее устройство содержит, по меньшей мере, одну боковую и основную стенки. Усиливающая структура боковой стенки включает в себя внутренний и наружный усиливающие компоненты, проходящие вдоль боковой стенки, обращенные друг к другу и прикрепленные к противоположным поверхностям боковой стенки, образуя усиливающую конструкцию. Усиливающая конструкция включает в себя, по меньшей мере, два смежных усиливающих полых участка, через которые проходит боковая стенка несущего устройства. Каждый из этих участков выполнен из внутренней усиливающей полой секции внутреннего усиливающего компонента и наружной усиливающей полой секции наружного усиливающего компонента. Усиливающие полые секции обращены друг к другу. Продольный усиливающий участок крепления ...

PRISMATIC BATTERY CELL

A prismatic battery cell with a cell housing and several electrodes arranged in an interior of the cell housing, some of which are electrically connected to a first cell terminal accessible from outside the cell housing, and some to a second cell terminal which is also accessible from outside the cell housing. The first cell terminal is arranged on a first side of the cell housing and the second cell terminal is arranged on a second side of the cell housing opposite the first side. One of the cell terminals is arranged on a terminating element which is materially connected to the cell housing and which closes an insertion opening configured in the cell housing, and the terminating element is sealingly connected to the cell housing via a circumferential sealing.

Herstellungsverfahren für eine Alkali- Knopfzelle

Liquid battery ready downhole power system

A battery cell housing and control system enables the use of liquid battery power systems in various applications, including downhole environments. The cell housing includes a plurality of conductive terminals spaced there-around to provide conductivity between the electrochemical solution and the load. Sensors provide orientation data to the control system to thereby determine which terminals should be activated to provide power to a load.

LOWER PLASTIC MEMBER AND POWER BATTERY

Provided are a lower plastic member and a power battery. The lower plastic member includes a body protruding towards a jelly roll of the power battery to form a protruding portion. The protruding portion has at least one ventilation channel defined thereon. A gas in the power battery flows outside through the ventilation channel. The body has a liquid injection hole and a flow guide shroud provided thereon. The flow guide shroud is arranged at an opening on a side of the liquid injection hole facing towards the jelly roll. The flow guide shroud includes a shielding plate and a plurality of connection posts. The shielding plate has an inclined surface facing towards the body and inclined towards a side away from the body in a radially outward direction of the shielding plate.

Batterie, Verfahren zum Herstellen einer Batterie sowie Kraftfahrzeug mit einer solchen Batterie

Die Erfindung betrifft eine Batterie (10), umfassend zumindest eine Batteriezelle (14) und ein Batteriegehäuse (12), wobei die zumindest eine Batteriezelle (14) ein Zellengehäuse (22) aufweist und unter Ausbildung einer thermischen Übergangsfläche (30) zwischen einer Außenoberfläche des Zellengehäuses (22) und einer der Außenoberfläche zugewandten Innenoberfläche (26) des Batteriegehäuses (12) in einem Innenraum (28) des Batteriegehäuses (12) angeordnet und thermisch mit dem Batteriegehäuse (12) gekoppelt ist, wobei die Innenoberfläche (26) des Batteriegehäuses (12) zumindest abschnittsweise innerhalb eines Überdeckungsbereichs (34) durch die zumindest eine Batteriezelle (14) überdeckt ist. Die Außenoberfläche weist eine zellgehäuseseitige erste Reliefstruktur (38) und/oder die Innenoberfläche (26) eine batteriegehäuseseitige zweite Reliefstruktur (40) auf, wobei die erste und/oder die zweite Reliefstruktur (38, 40) in der Form derart ausgestaltet ist, dass unter Beibehaltung des Überdeckungsbereichs ...

LIQUID BATTERY READY DOWNHOLE POWER SYSTEM

A battery cell housing and control system enables the use of liquid battery power systems in various applications, including downhole environments. The cell housing includes a plurality of conductive terminals spaced there-around to provide conductivity between the electrochemical solution and the load. Sensors provide orientation data to the control system to thereby determine which terminals should be activated to provide power to a load.

BATTERY CELL, MANUFACTURING METHOD AND APPARATUS THEREOF, BATTERY AND ELECTRICAL APPARATUS

A battery cell includes an electrode assembly including a main body portion and a tab. The tab is connected with a side portion of the main body portion in a first direction. The battery cell further includes a protective frame, which is of an integrated structure and includes three segments of protective plates respectively used for protecting three side faces of the main body portion. The three segments of protective plates comprise a first plate, a second plate, and a third plate. The third plate is located between the first plate and the second plate, two ends of the third plate are respectively connected with a first end of the first plate and a first end of the second plate, and at least one of the first plate, the second plate, and the third plate is provided with an opening. The tab is led out from the opening.

Liquid battery ready downhole power system

Liquid battery ready downhole power system

A battery cell housing and control system enables the use of liquid battery power systems in various applications, including downhole environments. The cell housing includes a plurality of conductive terminals spaced there-around to provide conductivity between the electrochemical solution and the load. Sensors provide orientation data to the control system to thereby determine which terminals should be activated to provide power to a load.

BATTERY HAVING AN ENCAPSULATION SYSTEM THAT IS REINFORCED AT THE CONTACT MEMBERS

Thin-film batteries having a novel encapsulation system.

Liquid battery ready downhole power system

A battery cell housing and control system enables the use of liquid battery power systems in various applications, including downhole environments. The cell housing includes a plurality of conductive terminals spaced there-around to provide conductivity between the electrochemical solution and the load. Sensors provide orientation data to the control system to thereby determine which terminals should be activated to provide power to a load.

Liquid battery ready downhole power system

A battery cell housing and control system enables the use of liquid battery power systems in various applications, including downhole environments. The cell housing includes a plurality of conductive terminals spaced there-around to provide conductivity between the electrochemical solution and the load. Sensors provide orientation data to the control system to thereby determine which terminals should be activated to provide power to a load.

BATTERY AND ELECTRONIC DEVICE COMPRISING SAME

A battery, according to one embodiment of the present invention, may comprise: a pouch; an electrode assembly received in the pouch in a state in which a positive electrode substrate, a negative electrode substrate disposed below the positive electrode substrate, and a separator disposed between the positive electrode substrate and the negative electrode substrate are rolled up together; a first adhesive member for fixing at least one portion of one end of the electrode assembly to the rolled up outer surface of the electrode assembly; and a second adhesive member for providing fixing between the electrode assembly and the pouch at a region other than the region where the first adhesive member is disposed.

Battery and electronic device comprising same

A battery, according to one embodiment of the present invention, may comprise: a pouch; an electrode assembly received in the pouch in a state in which a positive electrode substrate, a negative electrode substrate disposed below the positive electrode substrate, and a separator disposed between the positive electrode substrate and the negative electrode substrate are rolled up together; a first adhesive member for fixing at least one portion of one end of the electrode assembly to the rolled up outer surface of the electrode assembly; and a second adhesive member for providing fixing between the electrode assembly and the pouch at a region other than the region where the first adhesive member is disposed.

ALL-SOLID-STATE BATTERY

An all-solid-state battery includes: an electrode body that is provided with a laminate including an anode current collector layer, an anode composite material layer, a solid electrolyte layer, a cathode composite material layer, and a cathode current collector layer; an outer encasement member that envelops the electrode body; and a protective member with electrically insulating properties that is disposed on a side surface of the laminate. The protective member has a groove extending along a direction in which a surface of the laminate extends.

BATTERY

A battery includes an electrode assembly, a first insulation layer, a second insulation layer, and at least one first adhesion portion. The electrode assembly includes a first surface and a second surface provided back away from the first surface; the first insulation layer is provided on the first surface; the second insulation layer is provided on the first surface and spaced apart from the first insulation layer; and the first adhesion portion is provided on the first surface and located in a zone between the first insulation layer and the second insulation layer.

Components for reducing image distortion

An implantable medical device includes a housing and a circuit board provided within the housing. The circuit board includes a plurality of electronic components electrically coupled thereto. At least one non-functional component is provided on the circuit board and formed from a material that has an electromagnetic permeability configured to reduce the amount of image distortion caused by at least one of the plurality of electronic components when the device is subject to a magnetic field during an MRI scan.

BATTERY CELL AND BATTERY CONTAINING SUCH BATTERY CELL

A battery cell includes an electrode assembly and a packaging bag for accommodating the electrode assembly and a first adhesive layer and a second adhesive layer. One end of the first adhesive layer and one end of the second adhesive layer are both adhered to the first surface of the electrode assembly, and the other end of the first adhesive layer and the other end of the second adhesive layer both extend to the bottom of the electrode assembly and are adhered to a second surface opposite the first surface, a surface on which a terminating end of the electrode assembly is defined as the first surface; and a third adhesive layer, one end of the third adhesive layer is adhered to the first adhesive layer, and the other end of the third adhesive layer is adhered to the second adhesive layer.

ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE

This application provides an electrochemical device. The electrochemical device includes an electrode assembly and a housing. The housing forms an accommodation space configured to accommodate the electrode assembly. The housing includes a first sealing edge. The first sealing edge includes a first sealing film and a second sealing film. A direction from a side of the first sealing edge close to the accommodation space to a side away from the accommodation space is defined as a first direction. Along the first direction, the first sealing film includes a first seal region and a second seal region that are connected to each other, and the second sealing film includes a third seal region and a fourth seal region that are connected to each other. The first seal region and the third seal region combine to form a second sealing region. The second seal region and the fourth seal region combine to form a first sealing region. In a thickness direction of the first sealing edge, a thickness of the ...

Packaging systems and methods for thin film solid state batteries

Knopfförmige Alkalizelle und zugehöriges Herstellungsverfahren

Battery packaging

The subject invention discloses apparatus and methods to provide compression of an electrochemical cell independent of atmospheric pressure. One aspect of this invention is directed towards a lithium ion cell assembly which is surrounded by a layer of material under tension, so that the material applies pressure which compresses the cell to enhance contact between the anode, separator, and cathode layers. Specifically, a heat shrink material (material which reduces in size, or contracts in at least one dimension of a three-dimensional conformation, due to the application of heat) is provided about a laminar battery and shrunk in situ to provide a battery package. Another embodiment of this invention is directed towards a lithium ion cell asembly in which a sealed package contains both the battery and a spring element. The spring element within the package applies pressure to the battery to compress it and improve contact between the anode, separator, and cathode layers.

STRUCTURAL BATTERY COMPRISING COOLING CHANNELS

A battery assembly (9) for an electric vehicle comprises two spaced-apart longitudinal profiles (6,7) extending in a length direction L, interconnected to a front and a rear transverse beam (40,50). At least three beam shaped battery modules (15-18) are interconnected along their longitudinal sides (26-29) via a plate-shaped interconnecting member (35,36), and extend in the length direction, to be attached to an inner surface (42) of the front transverse beam (40) via a bracket (43,48). Each battery module (15-18) is provided with cooling channels (23,24) extending it the length direction L and having an inlet (55,56) situated between a transverse end face (59,60) of the module and the inner surface (42) of the front transverse beam (40). A water inlet duct (52,53) extends from an external side the front transverse beam (40) in a central area situated between the brackets (43,48), for connecting to a coolant inlet of the central battery module (16,17). Connecting areas on the external side ...

BATTERY, BATTERY ASSEMBLY AND ELECTRONIC APPARATUS

A battery (100), a battery assembly (200), and an electronic apparatus (300) are provided. The battery (100) includes: a casing (2) having an opening (21); a cell (3) disposed in the casing (2); and a cover plate (1) covering the opening (21) of the casing (2). The cover plate (1) includes a cover plate body (11) provided with a first hole (111) and a high temperature resistant sheet (12) disposed on an upper surface of the cover plate body (11) and covering an upper opening of the first hole (111). The high temperature resistant sheet (12) has a weak portion, and at least a part of an orthographic projection of the weak portion is located in the first hole (111) in a direction perpendicular to the cover plate body (11).

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; a composite protective layer covering the battery element, wherein the composite protective layer includes a first protective layer and a second protective layer arranged around the battery element so as to have an overlapping region where the first protective layer and the second protective layer overlap each other; and a conducting part capable of extracting electricity from the battery element to an outside of the solid state battery, the conducting part extending from the overlapping region to the outside of the solid state battery.

DEVICE FOR WRAPPING INSULATING FILM AROUND BATTERY CELL

A device for wrapping insulating film around battery cell is provided. In some embodiments, the device includes a push mechanism, a defining mechanism, an edge folding mechanism, and a driving unit. The push mechanism includes a substrate for holding a battery cell and a push assembly, which includes a push block and a first restraint portion for limiting a position of the push block. The defining mechanism is disposed on a side of the substrate, and configured to define a position of the battery cell on the substrate. The edge folding mechanism is disposed opposite the push mechanism, and configured to fold an edge of an insulating film wrapped around the battery cell. The driving unit is configured to drive the edge folding mechanism to fold the edge of the insulating film wrapped around the battery cell and drive the push block to push the battery cell on the substrate.

BATTERY AND BATTERY APPARATUS

A battery and a battery apparatus are provided. The battery pack includes a cover plate (10), an explosion-proof valve (20) arranged on the cover plate (10), and a protective patch (30). The protective patch (30) is arranged on an outer side of the cover plate (10). A sealed chamber (111) is formed between the explosion-proof valve (20) and the protective patch (30), and a notch (31) penetrating through the protective patch (30) is arranged on the protective patch (30) in a thickness direction. When a predetermined pressure is applied, the sealed chamber (111) communicates with an outside through the notch (31). The notch (31) has a total length of a and the protective patch (30) has a thickness of b, where 5 ≤ a/b ≤ 100 and 0.01 mm ≤ b ≤ 1.2 mm, and the protective patch (30) has a tensile strength of c, where c/b = xb-1.073.

ELECTROCHEMICAL DEVICE, BATTERY PACK, AND ELECTRICAL DEVICE

An electrochemical device, a battery pack, and an electrical device to alleviate the problem of inferior mechanical properties of existing electrochemical devices. The electrochemical device provided includes a body and a first protector. The first protector is disposed at an end of the body, where the end is provided with the tab. A part of the tab is disposed in the first protector, and another part of the tab extends out of the first protector.

RESIN COMPOSITION AND MONOLAYER AND MULTILAYER FILMS

BATTERY CELL, BATTERY, AND DEVICE USING BATTERY

Embodiments of this application provide a battery cell, a battery, and an apparatus using a battery, where the battery cell includes: a housing with an opening; and an end cover covering the opening. The housing and the end cover are welded together to form a fusion zone. The end cover is provided with a first stress-relieving groove on an inner surface. The first stress-relieving groove is configured to recess from the inner surface of the end cover in a direction leaving the inside of the battery cell, so as to relieve stress produced by welding of the housing and the end cover. The technical solutions provided in the embodiments of this application can enhance safety performance of batteries.

Personal tactical system including a power distribution and data hub and network of personal tactical systems

A personal tactical system including a load-bearing garment, a pouch with one or more batteries enclosed in the pouch, at least one power distribution and data hub, and at least one camera. The camera is incorporated into or removably attachable to the load-bearing garment, the pouch is removably attachable to the load-bearing garment and the one or more batteries are operable to supply power to the at least one power distribution and data hub. The at least one power distribution and data hub is operable to supply power to at least one peripheral device. A plurality of personal tactical systems is operable to form an ad hoc network to share images and other information for determining object direction, location, and movement.

POUCH FORMING DEVICE AND METHOD

To solve the above problem, a pouch forming apparatus according to an embodiment of the present invention includes: a die in which a forming space is formed to be recessed inward from a top surface thereof; a partition wall partitioning the forming space into first and second forming spaces; a stripper disposed above the die and descending to contact the die with the pouch film therebetween to fix the pouch film when the pouch film is seated on a top surface of the die; and an electromagnetic force generation part disposed above the forming space and generating electromagnetic force to apply the electromagnetic force to the forming space.

BATTERY CELL STACK AND MANUFACTURING METHOD THEREOF

A battery cell stack of the present invention includes a plurality of battery cells and a resin layer wholly or partially in contact with an outer surface of at least one of the plurality of battery cells, wherein the resin layer includes a solvent-free adhesive, and has specific peel strength and shear strength, such that the resin layer may be applied by a spray coating, and thereby improving structural stability and reliability of the battery cell stack, while simplifying materials and processes necessary to manufacture the battery cell stack.

UV COATING FOR DIELECTRIC INSULATION

Elektrische Einrichtung

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

Verfahren zum Herstellen eines Bauteils sowie Batteriegehäuse

Verfahren zum Herstellen eines Bauteils, insbesondere eines Speichergehäuses einer Batteriezelle, umfassend die Schritte:- Bereitstellen eines Bauteils;- Zumindest bereichsweise Isolieren des Bauteils;- Laserbehandeln fehlerhaft isolierter Bereiche zum An- oder Ablösen der Isolation;- Entfernen der Isolation von den laserbehandelten Bereichen;- Erneutes Isolieren.

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 CELL STACK AND MANUFACTURING METHOD THEREOF

A battery cell stack of the present invention includes a plurality of battery cells and a resin layer wholly or partially in contact with an outer surface of at least one of the plurality of battery cells, wherein the resin layer includes a solvent-free adhesive and a flame retardant, and has a peel strength of 1,000 gf/in to 3,000 gf/in measured according to ASTM D3330, and a shear strength of 20 kgf/sq-in to 100 kgf/sq-in measured according to ASTM D1002, and the flame retardant includes one or more of a phosphorus-based flame retardant and a nitrogen-based flame retardant, such that the operational stability and flame retardancy may be simultaneously improved, while simplifying materials and processes necessary to manufacture the battery cell stack.

Hybride Batteriekomponente und Verfahren zum Herstellen einer hybriden Batteriekomponente

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

BATTERY

A battery is provided in which a damage on an electrode tab group is suitably inhibited. In one suitable embodiment of the battery herein disclosed, an insulating member is provided on a sealing plate. An insulation sheet arranged to cover an electrode body is joined to the insulating member, and the insulation sheet includes a sheet bottom wall, a pair of sheet first side walls that are configured to extend from the sheet bottom wall and are opposed mutually, and a pair of sheet second side walls that extend from the sheet bottom wall and are opposed mutually.

BATTERY

Packaging systems and methods for thin film solid state batteries

A thin film battery having a protective package that provides a heat-resistant, hermetic seal for the thin film battery. A thin film battery includes thin film layers of components such as a cathode current collector, a cathode, an electrolyte, an anode, and an anode current collector built up on a substrate. Layers of dielectric material are positioned over the thin film battery. Suitable dielectric materials include aluminum oxide, silicon dioxide, silicon nitride, silicon carbide, tantalum oxide, diamond, and diamond-like-carbon. The dielectric materials are annealed. A layer of epoxy is positioned completely over all layers of the thin film battery and cured under ultraviolet light. Finally, the epoxy is annealed. The resultant thin film battery has a package that provides protection from the atmosphere, high temperatures, undesirable gases and can withstand processes utilized in the semiconductor and other industries to produce printed circuit boards with surface mounted thin film ...

SECONDARY BATTERY

A secondary battery includes: an electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate; a case accommodating the electrode assembly; and a shock absorbing portion on at least one side of the electrode assembly to absorb shock. According to embodiments of the present disclosure, a bonding force between separators is strengthened by the shock absorbing portion, and, thus, the separators are not separated even by an external shock. In addition, even if the alignment of electrode plates is poor during heat treatment of side surfaces of the electrode assembly, an amount of shrinkage of the separators can be constantly adjusted.

HOUSING STRUCTURE AND METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC DEVICE HAVING THE SAME

A housing structure includes a substrate, a first adhesive layer, and a silica gel layer. The substrate includes a first portion, and the first portion includes polybutylene terephthalate and glass fibers, the glass fibers and the polybutylene terephthalate are in a ratio between 40% and 50% by weight. The first adhesive layer is formed on the first portion. The first adhesive layer includes polysiloxane in a range of 2% to 5% by weight, acrylic resin in a range of 3% to 5% by weight, isopropanol in a range of 20% to 30% by weight, cyclohexane in a range of 20% to 30% by weight, and toluene in a range of 20% to 30% by weight. The silica gel layer is formed on the first adhesive layer, and the first adhesive layer bonds the silica gel layer to the first portion.

RESIN COMPOSITION AND MONOLAYER AND MULTILAYER FILMS

A BATTERY FOR AN AIRCRAFT

The present embodiments relate to a battery 200 for an aircraft 100. The present embodiments further relate to an aircraft 100 with at least one such battery 200. The battery 200 may include a battery casing 210 with a casing wall 215 that forms an interior volume 217, a plurality of battery cells 220 that is arranged in the interior volume 217, and a functional layer 330 that is arranged at the casing wall 215 between the plurality of battery cells 220 and the battery casing 210. The functional layer 330 may include an intumescent material 335 that, in case of a breach 340 of the battery casing 210, is adapted to ensuring flame containment within the interior volume 217 and mitigation of uncontrolled heat and gas emission 352 from the interior volume 217 through the breach 340 of the battery casing 210.

Implantable medical device and lithium battery

A lithium battery includes a housing and a first electrode and a second electrode provided within the housing. A first tab is coupled to the first electrode and a second tab coupled to the second electrode. A pin is coupled to the second tab and extends to a location outside the housing. At least one of the first tab, the second tab, and the pin are formed from a material comprising vanadium.

ENERGY STORAGE DEVICE ASSEMBLIES

EXTERIOR BODY, ABNORMALITY DETECTOR, AND ABNORMALITY DETECTION SYSTEM

Provided are an exterior body and an abnormality detector capable of suppressing bulking even when a heat generation detection function is provided. The exterior body of an electronic device generates heat during operation and is characterized by being provided with a magnetic body that is at least a portion of the exterior body, that has spontaneous magnetization, and that generates an electromotive force by exhibiting an abnormal Nernst effect through heat generation of the electronic device, wherein an electrode for extracting power is provided to the magnetic body.

IMPLANTABLE MEDICAL DEVICE

An implantable medical device includes a housing having a coating selectively provided on only a portion of the housing and a plurality of electronic components provided within an interior space defined by the housing. A first of the electronic components is a charging or telemetry coil and a second of the electronic components is a circuit board. The coating is provided on the housing in a first region near a component of the circuit board and is not provided on the housing in a second region near the charging or telemetry coil. The coating has a magnetic permeability suitable to and is provided in an amount effective to reduce MRI image distortion caused by the component of the circuit board.

STORAGE DEVICE WITH PRISMATIC ELECTROCHEMICAL CELL WITH DRAINAGE INSERTS, AND ASSOCIATED BATTERY

Elektrische Einrichtung

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

BATTERY PACKAGING MATERIAL

A battery packaging material is formed of a laminate. The laminate is composed of an outer layer including a substrate layer, a barrier layer as an intermediate layer, and a heat fusible resin layer as an innermost layer. The total thickness of the laminate is 60 μm to 220 μm. The barrier layer is formed of a metal foil. The product of a stress value and a thickness of the heat fusible resin layer at a time of 10% stretching is 1,200 Pa·m or more.

Rechargeable battery with buffer sheet between electrode assembly and battery case

A rechargeable battery includes an electrode assembly in a battery case, and a buffer sheet between the electrode assembly and the battery case, the buffer sheet contacting the electrode assembly and the battery case.

DATA CABLE DEVICE HAVING CABLE BATTERY

IMPLANTABLE MEDICAL DEVICE

An implantable medical device includes a housing and a circuit board provided within the housing. The circuit board includes a plurality of electronic components electrically coupled thereto. At least one non-functional component is provided on the circuit board and formed from a material that has an electromagnetic permeability configured to reduce the amount of image distortion caused by at least one of the plurality of electronic components when the device is subject to a magnetic field during an MRI scan.

A CASE HAVING A THERMAL BARRIER LAYER FOR A SINGLE CELL

METHOD FOR MANUFACTURING CORROSION-PREVENTING LAYER, AND CYLINDRICAL SECONDARY BATTERY

The present specification relates to a manufacturing method of a corrosion prevention layer, and a manufacturing method of a corrosion prevention layer on a cylindrical secondary battery including a jelly-roll type electrode assembly having a structure in which a first electrode, a second electrode, and a separator interposed therebetween are wound in one direction based on a winding axis, a battery can accommodating the electrode assembly, and the battery can including a metal plated layer, and a connection lead plate joining the battery can and the electrode assembly, which includes: (A) applying a resin for the corrosion prevention layer to a portion where the metal plated layer is damaged at a welding portion formed by melting the connection lead plate and the battery can upon welding of an external bottom surface of the battery can; and (B) forming the corrosion prevention layer by curing the resin for the corrosion prevention layer by ultraviolet rays, in which the resin for the corrosion ...

WIRELESS RECHARGEABLE SOLID-STATE BATTERY MODULE AND WIRELESS POWER SUPPLY MODULE

A wireless rechargeable solid-state battery module includes a solid-state battery; an internal structure including an internal circuit electrically connected with the battery; positive and negative electrode terminals, each of which is electrically connected with the solid-state battery, is exposed on an outer surface, and is where the positive or negative electrode terminal can be mounted on an electronic circuit board; barrier layers that entirely or partially contain a conductor and isolate the battery and the internal structure from an outside air environment; and a power receiving terminal electrically connected with an external circuit, which includes a power receiving coil coupled with an external electromagnetic or magnetic field, is electrically connected with the internal circuit, and is in an outside of the barrier layers. The power receiving coil converts the external electromagnetic or magnetic field into electrical energy and supplies current to the internal circuit via the ...

STACKED ELECTRODE BODY, RESIN-FIXED STACKED ELECTRODE BODY, AND ALL-SOLID-STATE BATTERY

Provided is a stacked electrode body such that resin is easily applied to a side face thereof. The stacked electrode body for an all-solid-state battery includes a plurality of electrode bodies that are stacked and each include a first electrode, a solid electrolyte layer, a second electrode, and a second current collector which are disposed on each of both surfaces of a first current collector in the order mentioned, wherein each of the electrode bodies has a phase difference portion including the first electrode, the phase difference portion extending further from a side face of the stacked electrode body than the second electrode, and in each adjacent pair of the electrode bodies, a portion of one of the phase difference portions which extends further than the second electrode in the extending direction has a different length from that of the other phase difference portion.

BATTERY

The present application discloses a battery, where the battery includes: a housing having an accommodating cavity; a core assembly provided in the accommodating cavity and including a jelly-roll and an insulating sheet covering the jelly-roll, where the jelly-roll comprises a body portion, and the body portion comprises a top end face and a bottom end face respectively located at two ends of the body portion respectively, and a peripheral face connected to the top end face and the bottom end face, and the insulating sheet covers the peripheral face and/or the bottom end face; a separator provided in the housing and separates the bottom end face of the jelly-roll from a bottom face of the housing; and a top cover assembly connected to the housing in a sealed manner and closes the opening of the housing, where the top cover assembly is spaced apart from the insulating sheet. By the battery, the bottom end face of the jelly-roll is provided to be spaced apart from the bottom face of the housing ...

BATTERY AND BATTERY MANUFACTURING METHOD

A battery and a battery manufacturing method are provided. The battery includes a battery casing (10), a cell (20), a first insulating film (30), and a second insulating film (40). The cell is disposed in the battery casing (10) and includes a cell body (21) and a tab portion (22), and the tab portion (22) extends from a side surface of the cell body (21). The first insulating film (30) covers at least a portion of the cell body (21). The second insulating film (40) is independent from the first insulating film (30). The second insulating film (40) covers an upper surface of the first insulating film (30) and covers at least a portion of the tab portion (22), and the first insulating film (30) is located between the cell body (21) and the second insulating film (40).

SELF-EXTINGUISHING, TOXIC GASES CONTAINMENT ENCLOSURE FOR LITHIUM-ION BATTERIES

An enclosure for safe transportation and storage of a battery or a collection of batteries. The enclosure contains a plurality of batteries held together by a polymer structure, wherein the polymer structure contains s pockets capable of encapsulating at least one fire extinguishing fluid. Sensors deployed on a surface of each battery in the plurality of batteries are capable of monitoring surface temperature and volume expansion of each battery in the enclosure and providing signal output. The enclosure also contains a toxic gas release management and containment system.

Battery Cell, Battery Module Comprising Same Battery Cell, And Battery Pack Comprising Same Battery Module

Disclosed is a battery cell, which includes a battery case, a battery assembly accommodated in the battery case, an electrode lead electrically connected to the battery assembly and configured to protrude out of the battery case, an electrode tab disposed in the battery case and configured to protrude from the battery assembly to connect the electrode lead and the battery assembly, and a tab protection unit configured to at least partially surround an outer surface of the battery case corresponding to a portion where the electrode tab is disposed.

BATTERY

A battery is provided in which a damage on an electrode tab group is suitably inhibited. In one suitable embodiment of the battery herein disclosed, an insulating member is provided on a sealing plate. An insulation sheet arranged to cover an electrode body is joined to the insulating member, and the insulation sheet includes a sheet bottom wall, a pair of sheet first side walls that are configured to extend from the sheet bottom wall and are opposed mutually, and a pair of sheet second side walls that extend from the sheet bottom wall and are opposed mutually.

ALL SOLID STATE BATTERY AND ALL SOLID STATE BATTERY SYSTEM

A main object of the present disclosure is to provide an all solid state battery with high coulomb efficiency even when the thickness of an anode active material layer is varied due to charge and discharge. The above object is achieved by providing an all solid state battery comprising: a power generation element including a cathode, a solid electrolyte layer, and an anode, in this order, and an exterior body storing the power generation element, and the anode includes at least an anode current collector, and the anode current collector includes a current collection part, and an elastic part placed on other side of the solid electrolyte layer, with respect to the current collection part.

BATTERY

An outer edge of a negative electrode (200) covered with a first adhesive member (410) is substantially aligned with an outer edge of a positive electrode (100) covered with the first adhesive member (410) in a direction from a stacked body (10) toward the first adhesive member (410) or a direction from the first adhesive member (410) toward the stacked body (10). Specifically, the outer edge of the negative electrode (200) covered with the first adhesive member (410) is positioned within a distance equal to or more than 0% and equal to or less than 200% of a thickness of the negative electrode (200) from the outer edge of the positive electrode (100) covered with the first adhesive member (410) in the above direction.

LITHIUM-ION CELL

A cell includes an electrode assembly, a pin assembly, and a cell house. The electrode assembly includes 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 pin assembly is disposed in the central hole for polarity separation. The pin assembly includes a housing including an axial through hole; the housing is partially or fully disposed in the central hole. The pin assembly further includes an insulating part for separating the polarity of the cell and at least one electrode lead. The cell house is hermetically connected to the housing.

Implantable medical device

An implantable medical device includes a housing and a circuit board provided within the housing. The circuit board includes a plurality of electronic components electrically coupled thereto. At least one non-functional component is provided on the circuit board and formed from a material that has an electromagnetic permeability configured to reduce the amount of image distortion caused by at least one of the plurality of electronic components when the device is subject to a magnetic field during an MRI scan.

ELECTROCHEMICAL APPARATUS AND ELECTRONIC DEVICE

An electrochemical apparatus includes a housing, an electrode assembly, and an insulation tape, where at least part of the electrode assembly is located inside the housing, and the insulation tape is located between the housing and the electrode assembly. The insulation tape includes a first surface bonded to the electrode assembly and a second surface bonded to the housing, the first surface includes a first bonding zone, and the second surface includes a second bonding zone, where an area of the first bonding zone is A, an area of the second bonding zone is B, and 0.08≤B/A≤0.965. This can make the insulation tape smaller and lighter and help increase an energy density of the electrochemical apparatus while ensuring reliability of connection between the insulation tape and the housing.

BATTERY PACK

A battery pack includes: multiple cell units; a housing forming an accommodating cavity for accommodating at least the multiple cell units, where the accommodating cavity is an enclosed space; and a thermal insulator disposed on the outer sides of the multiple cell units, where the interior of the thermal insulator is filled with a working medium for dissipating heat from the multiple cell units. When at least one of the multiple cell units reaches a preset temperature, the working medium changes a phase from a liquid state to a gaseous state to dissipate the heat from the multiple cell units.

BATTERY CELL AND ELECTRONIC DEVICE

A battery cell includes a first electrode assembly, a second electrode assembly, a housing and a first adhesive layer including a first bonding side and a second bonding side. The first electrode assembly includes a first surface and a second surface opposite to the first surface; a second electrode assembly is disposed adjacent to the first electrode assembly in the thickness direction of the battery cell, the second electrode assembly includes a third surface and a fourth surface opposite to the third surface. The housing includes an accommodation cavity configured to accommodate the first electrode assembly and the second electrode assembly, the accommodation cavity includes a bottom wall, and the first surface and the third surface are opposite to the bottom wall. The first bonding side is bonded to both the second surface and the fourth surface, and the second bonding side is bonded to the housing.

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

Secondary battery and manufacturing method therefor

Various embodiments of the present invention relate to a secondary battery and a manufacturing method therefor, and the objective of the present invention is to provide a secondary battery having improved safety and a manufacturing method therefor, the secondary battery preventing an electrode assembly from moving inside a laminate exterior material during a drop shock and/or collision, thereby suppressing a voltage drop, a heating phenomenon, and/or ignition and the like caused by a small short between a cathode plate and an anode plate. To this end, disclosed in various embodiments of the present invention are a secondary battery and a manufacturing method therefor, the battery comprising: an electrode assembly including a first electrode plate, a second electrode plate, and a separator interposed between the first electrode plate and the second electrode plate; a pouch exterior case for encompassing the electrode assembly; and an adhesive dispensed in a dot array form on a surface of ...

Liquid Battery Ready Downhole Power System

A battery cell housing and control system enables the use of liquid battery power systems in various applications, including downhole environments. The cell housing includes a plurality of conductive terminals spaced there-around to provide conductivity between the electrochemical solution and the load. Sensors provide orientation data to the control system to thereby determine which terminals should be activated to provide power to a load.

BATTERY CELL AND ELECTRONIC APPARATUS USING BATTERY CELL

A battery cell including an electrode assembly, a housing, and a first bonding portion. The electrode assembly includes a first end surface, and a first surface and a second surface disposed face away from each other. The housing includes a first inner wall and a second inner wall disposed opposite each other. The first bonding portion includes a first adhesive layer and a second adhesive layer. The first adhesive layer is bonded to the first end surface and extends to the first surface and the second surface to bond with the first surface and the second surface. The second adhesive layer includes a first portion, a second portion, and a third portion connected in sequence, where the second portion is located on a side of the first adhesive layer face away from the first end surface.

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.

Isostatic press devices and processes for cylindrical solid-state batteries

Various arrangements for compressing a cylindrical battery cell are presented herein. The cylindrical battery cell may be wrapped in a buffer material. The buffer material may then be compressed using a compression mechanism. The buffer material may uniformly distribute pressure applied to the buffer material to a curved sidewall of the cylindrical battery cell.

BATTERY AND ELECTRONIC DEVICE

A battery (100) and an electronic device (300) are provided. The battery (100) includes a case (2) having an opening (21), a battery core (3) disposed in the case (2), and a cover (1) covering the opening (21) of the case (2). The cover (1) includes a cover body (11) provided with a first hole (111) and a high temperature resistant sheet (12) disposed on a top of the cover body (11) and covering the first hole (111).

SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR

Various embodiments of the present invention relate to a secondary battery and a manufacturing method therefor, and the objective of the present invention is to provide a secondary battery having improved safety and a manufacturing method therefor, the secondary battery preventing an electrode assembly from moving inside a laminate exterior material during a drop shock and/or collision, thereby suppressing a voltage drop, a heating phenomenon, and/or ignition and the like caused by a small short between a cathode plate and an anode plate. To this end, disclosed in various embodiments of the present invention are a secondary battery and a manufacturing method therefor, the battery comprising: an electrode assembly including a first electrode plate, a second electrode plate, and a separator interposed between the first electrode plate and the second electrode plate; a pouch exterior case for encompassing the electrode assembly; and an adhesive dispensed in a dot array form on a surface of ...

Pouch-type secondary battery and pouch for secondary battery

A pouch-type secondary battery includes: an electrode assembly in which a positive electrode, a separator, and a negative electrode are laminated; and a pouch configured to accommodate the electrode assembly, wherein the pouch includes: a surface protection layer made of a first polymer and formed at an outermost layer; a sealant layer made of a second polymer and formed at an innermost layer; a gas barrier layer made of a first metal and laminated between the surface protection layer and the sealant layer; and a metal foil layer made of a second metal, laminated between the surface protection layer and the sealant layer, and connected to the negative electrode of the electrode assembly.

COMPOSITE FILM

SECONDARY BATTERY

CELL AND BATTERY HAVING SAID CELL

A battery cell (100) includes an electrode assembly (10) and a packaging bag for accommodating the electrode assembly (10). The battery cell (100) further includes: a first adhesive layer (30) and a second adhesive layer (40), where one end of the first adhesive layer (30) and one end of the second adhesive layer (40) are both adhered to a first surface (111) of the electrode assembly (10), and the other end of the first adhesive layer (30) and the other end of the second adhesive layer (40) both extend to the bottom of the electrode assembly (10) and are adhered to a second surface (112) opposite the first surface (111), where a surface on which a terminating end of the electrode assembly (10) is located is defined as the first surface (111); and a third adhesive layer (50), bonding the packaging bag and the electrode assembly (10) together, where one end of the third adhesive layer (50) is adhered to the first adhesive layer (30) located on the first surface (111), and the other end of ...

BATTERY CELL, METHOD AND SYSTEM FOR MANUFACTURING BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

This application provides a battery cell, a method and system for manufacturing same, a battery, and an electrical device. The battery cell includes: an electrode assembly; a shell assembly, configured to accommodate the electrode assembly and including a first side plate and a second side plate, where the first side plate and the second side plate are located on two sides of the electrode assembly along a first direction respectively; a pressure relief mechanism, disposed on the first side plate; and a support member, disposed between the electrode assembly and the first side plate, and configured to support the electrode assembly. A duct is provided on the support member. The duct is configured to guide gas between the second side plate and the support member into the pressure relief mechanism, so that the pressure relief mechanism is actuated to release a pressure when the pressure reaches a threshold.

ELECTRODE STRUCTURE AND PRISMATIC BATTERY COMPRISING ELECTRODE STRUCTURE

The disclosed technology relates to an electrode structure including a pair of stack type electrode assemblies, and to a prismatic battery including the prismatic structure. Such prismatic batteries are applicable to prismatic secondary batteries of various form factors and have good dimensional stability.

ELECTRIFIED VEHICLE BATTERY HAVING CELLS WITH INTERNAL FUSIBLE LINKS

An electrified vehicle battery includes battery cells each having a container including a first jelly roll electrically connected to a second jelly roll by a fusible link with the first and second jelly rolls and the fusible link being disposed within the container and battery terminals electrically connected to the first jelly roll and extending from the container. The fusible link may be formed by a connector having a reduced cross-sectional area, which may correspond to one or more apertures extending through the connector. The fusible link may be coated with a ceramic material.

SECONDARY BATTERY

A secondary battery includes: an electrode assembly; a case accommodating the electrode assembly; and a cap assembly coupled to an upper portion of the case. The cap assembly includes: a cap-up having a stress absorbing portion at an outer surface thereof and extending toward an inside of the case; a safety vent below the cap-up and having a notch; and a cap-down coupled to a lower portion of the safety vent.

BATTERY PACKAGING MATERIAL

The battery packaging material includes a substrate layer, a heat-fusible resin layer, a barrier layer arranged between the substrate layer and the heat-fusible resin layer, and a substrate protective layer as an outermost layer arranged on an outer side of the substrate layer. The substrate protective layer includes a binder resin, wax as solid fine particles, resin beads, and inorganic fine particles, and a gross value of the surface of the substrate protective layer is 1% and 5%.

BATTERY AND METHOD FOR PRODUCING THEREOF

A main object of the present disclosure is to provide a battery in which wrinkles in its outer package is prevented from generating. The present disclosure achieves the object by providing a battery including: an internal element including at least a power generating element, and a laminate-type outer package in which the internal element is sealed; wherein the internal element includes a groove structure; and the battery includes a storing part where a part of the outer package is stored in the groove structure.

Case for secondary battery and secondary battery including the same

A case for a secondary battery and a secondary battery including the same, the case including a case body, the case body having bottom and a space for receiving an electrode assembly; and a shock-absorbing cap, the shock-absorbing cap having a bottom and an edge extending from the bottom of the shock-absorbing cap, the edge being coupled to the bottom of the case body, wherein the shock-absorbing cap includes a sub-shock absorber, the sub-shock absorber being configured to distribute and transmit shock applied to the bottom of the shock-absorbing cap.

Battery pack

A battery pack including a cap plate; a bare cell, the bare cell being sealed by the cap plate; and a circuit board facing the cap plate, wherein the circuit board includes opening units adjacent to edges thereof, the opening units providing an opening for coupling the circuit board to the cap plate.

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.

Battery safety vent and battery with the same

The present invention disclosed a battery safety vent comprising: an explosion-proof film fixed on a battery cover plate, a safety vent cover covering the explosion-proof film and having a pressure release aperture, and an explosion-proof pin disposed on top of the safety vent cover, in which a free head of the pin is blunt and points to the explosion-proof film. The present invention further disclosed a battery having the above battery safety vent.

Battery pack

A battery pack includes a bare cell including an electrode assembly, a can housing the electrode assembly; and a cap plate sealing an open end of the can; a protective circuit module on the bare cell and including a lead member electrically coupling the protective circuit module to the bare cell; an upper cover coupled to the bare cell and covering the protective circuit module; and a shock absorber between the upper cover and the lead member.

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.

Secondary battery

A secondary battery includes a case having an interior cavity and an upper opening, an electrode assembly disposed in the interior cavity of the case, a cap assembly, and a vent cover disposed on an outer surface of the cap plate and at least partially covering the safety vent. The cap assembly includes a cap plate and a safety vent formed within the cap plate, the safety vent being thinner than a remainder of the cap plate, and the cap plate coupled with the upper opening of the case. A portion of the vent cover, corresponding in position to the position of the safety vent, is thinner than a remaining portion of the vent cover.

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.

Secondary Battery

A secondary battery includes an electrode assembly; a collecting plate electrically coupled to the electrode assembly and having a short circuit hole; a short circuit member comprising a metal can, wherein the metal can is in the short circuit hole; a case accommodating the electrode assembly and the collecting plate and having an opening; and a cap assembly comprising a cap plate sealing the opening of the case.

Secondary battery

A secondary battery includes an electrode assembly having a first electrode plate, a second electrode plate, and a separator disposed between the first and second electrode plates, a case accommodating the electrode assembly, and a cap assembly coupled to the case, the cap assembly including a cap plate sealing the case and having a short-circuit hole, a short-circuit plate covering the short-circuit hole of the cap plate, the short-circuit plate being spaced apart from an outer surface of the cap plate, a reversible plate adjacent the short-circuit hole, and a sealing member between the cap plate and the short-circuit plate.

Battery

The present invention provides a battery that includes: an auxiliary terminal configured such that a first tube is connected to a metallic foil of an electrode of a power generating element through a current collecting connector by being fitted into a battery container through a terminal pull-out through hole of a lid plate, and sealed and fixed to the lid plate by insulating and sealing members; a connecting conductor configured such that one end portion is connected and fixed to an upper portion of the auxiliary terminal, and provided with a terminal through hole on the other end portion; an external terminal having a bolt portion that projects upward from a base portion and inserted through the terminal through hole of the connecting conductor from below; and a baffling member fixed onto the lid plate and restricting rotation of the external terminal by engaging with the base portion of the external terminal.

Cell

A cell in which thermal welding of a laminate packaging is performed so that the thickness of a thermal welded portion including an electrode terminal is larger than that of a thermal welded portion including no electrode terminal.

Rechargeable battery

A rechargeable battery includes: an electrode assembly in a case; a cap plate coupled to an opening of the case; a rivet electrically connected to the electrode assembly, the rivet including: a first rivet flange; and a second rivet flange; and a gasket between the rivet flange and the cap plate, the gasket including: a first gasket flange configured to be coupled with the first rivet flange; and a second gasket flange configured to be coupled with the second rivet flange.

Energy storage case and energy storage including the same

Disclosed herein are an energy storage case includes: a housing including a reception part in which an energy storage cell and an electrolyte are received; a cover part coupled to the housing and including two through-holes penetrating through both surfaces thereof; a lead connection part including a fusing part to which one end of a current collector of the energy storage cell is fused and a coupling part formed with a first screw part; and an external lead part including a second screw part coupled to the first screw part and a head part having a rectangular shape.

Rechargeable battery

A rechargeable battery including an electrode assembly; a case housing the electrode assembly; a cap assembly including a cap plate having a short-circuit hole and sealing an opening of the case; and a short-circuiting member including a short-circuiting plate arranged at the short-circuit hole and a connection plate covering at least a portion of the short-circuit hole at an exterior side, the connection plate being spaced apart from the cap plate and electrically connected to the electrode assembly, and the case and the cap assembly are electrically insulated from the electrode assembly.

Rechargeable battery

A rechargeable battery including an electrode assembly; a case including a cavity, the electrode assembly being in the cavity; a cap plate coupled with an opening of the case; and an electrode terminal extending through a terminal hole of the cap plate, the electrode terminal being electrically insulated from the cap plate and electrically connected to the electrode assembly, wherein the electrode terminal includes a plate terminal disposed on an external surface of the cap plate, and a bolt terminal extending at least partially in and being secured to the plate terminal.

Secondary battery

A secondary battery includes a battery unit that has an accommodation space for an electrode assembly, a vent housing that defines a housing space connected with the accommodation space through a first vent hole, the vent housing including a second vent hole through which the housing space is connected with an outside of the secondary battery, a revolving member that is rotatably mounted between a closing position for closing the first and second vent holes and an opening position for opening the first and second vent holes, and first and second sealing caps that are formed at opposite sides of the revolving member with respect to a rotation axis of the revolving member. The first and second sealing caps respectively close the first and second vent holes, when the revolving member is mounted at the closing position.

Rechargeable battery

Embodiments of a rechargeable battery include: an electrode assembly including first and second leads; a case for receiving the electrode assembly; a cap plate covering an opening of the case, connected to the first lead, and including a terminal hole; and an insulating terminal plate provided between the cap plate and the electrode assembly, connected to the second lead, and an electrode end installed in the terminal hole. The cap plate may include a protrusion oriented toward the electrode assembly. The terminal plate may include an extended unit extended to an external part of the protrusion with respect to the terminal hole and separated from the protrusion. The protrusion and the extended unit may be provided on a plane in parallel with the opening. A first distance between the terminal hole and the protrusion may be shorter than a second distance between the terminal hole and the extended unit.

Disc Battery Pressure-Activated Cap

A pressure-activated dome switch is provided for a disc battery. The dome switch is electrically insulated from the positive and negative battery terminals. The dome switch can be combined with an insulator to completely isolate one of the battery terminals, thereby preventing creation of an electrical current while the switch is in its normally-off state. The dome switch may be attached to the disc battery with an electrically-insulating adhesive material. The dome switch may be attached to the disc battery by an insulating cap and insulated from the positive or negative battery terminals by an insulating washer. A method for manufacturing a disc battery with a dome switch is also provided.

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.

Battery cover provided with fire extinguishing function

A battery cover with a fire-extinguishing function is provided, which includes a fire-extinguishing tank disposed on an inner surface of the battery cover to store compressed air and fire-extinguishing fluid, so that the fire-extinguishing tank bursts and the fire-extinguishing fluid contained in the tank is sprayed to the battery to thereby suppress a fire in the case where the fire breaks out inside the battery due to overheat or electric leak of the battery. The battery cover with a fire-extinguishing function is coupled to an opening portion of a case that accommodates the battery therein to protect terminals of the battery in a battery pack, and includes the fire-extinguishing tank disposed on an inner surface of the battery cover to store the fire-extinguishing fluid therein.

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.

Device for adjusting deviation of height and horizontality

Disclosed herein is a device for simultaneously adjusting vertical height and horizontal deflection including a lower plate fixed to a floor, an upper plate, vertical height and horizontal deflection of which are adjusted, one or more variable posts connected to an upper end of the lower plate and a lower end of the upper plate, and a height adjustment unit, a lower end of which is fixedly disposed above the lower plate and an upper end of which is disposed at the lower end of the upper plate in a line contact fashion, the height adjustment unit adjusting vertical height and horizontal deflection of the upper plate at the line contact portion.

Electric storage element and method for manufacturing the same

An electric storage element has a casing, a power generating element arranged inside the casing, a current collector, and a connection member. The current collector is connected to the power generating element and directly fixed to the casing. The connection member penetrates through the casing without a clearance and is connected to the current collector

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.

Method and apparatus for manufacturing a battery safety valve, a battery safety valve, and method for manufacturing a battery case lid

In a method for manufacturing a battery safety valve according to the present invention, a stainless steel metal sheet is used, and an thin annular portion constituting an edge portion of a safety valve is formed in a lid by simultaneously pressing annular projecting portions provided respectively on a punch and a die so as to oppose each other, against respective surfaces of the lid.

Prismatic secondary battery

A prismatic secondary battery includes a prismatic hollow outer body having a mouth and a bottom and storing an electrode assembly, a positive electrode collector, a negative electrode collector, and an electrolyte, a sealing plate sealing up the mouth of the prismatic hollow outer body, and a positive electrode terminal and a negative electrode terminal attached to the sealing plate; the sealing plate includes a gas release valve at the center between the positive electrode terminal and the negative electrode terminal and includes an electrolyte pour hole on one side of the gas release valve and, on the other side on the front face, a concaved flat face with a height lower than that of the peripheral portion; and the concaved flat face is formed with an identification code.

Safety device for battery pack

Disclosed herein is a safety device mounted at one side of a battery pack including two or more battery cells or at least one battery module such that the safety device is first short-circuited when a needle type object penetrates the battery pack to secure safety of the battery pack, the safety device including a pair of conductive sheets spaced apart from each other, an electrically insulative housing to surround outsides of the conductive sheets excluding fronts of the conductive sheets in a state in which the conductive sheets are inserted and mounted in the housing, a sealing member to cover the fronts of the conductive sheets, and a connection member to connect the conductive sheets to a cathode and an anode of one of battery cells constituting the battery module.

System for arranging and coupling battery cells in a battery module

A battery module includes a plurality of battery cells disposed in at least two rows. The battery cells in adjacent rows are offset from each other. Each of the plurality of battery cells includes a cover and a first terminal that extends from the cover outward. The first terminal is configured to be coupled to a second terminal on an adjacent battery cell. The plurality of battery cells are electrically coupled to each other in a zigzag pattern via the first and second terminals.

Cap assembly and battery pack having the same

A cap assembly and a battery pack having the same. The cap assembly includes: a cap plate including: a first surface; and a second surface opposite to the first surface, wherein a first hole penetrates through the cap plate from the first surface to the second surface; a first electrode terminal including: an upper terminal on the first surface of the cap plate; a lower terminal on the second surface of the cap plate; and a connection part that connects the upper terminal to the lower terminal through the first hole; a temperature protection device on an upper surface of the upper terminal; and an insulation part interposed between the cap plate and the first electrode terminal and including a first groove. Here, the upper terminal and the temperature protection device are in the first groove.

TRACTION BATTERY DEVICE WITH EXTINGUISHING APPARATUS

A traction battery device for an at least partially electrically driven motor vehicle includes at least one traction battery with at least one battery housing for housing battery modules and/or battery cells and at least one extinguishing apparatus for automatically carrying out an extinguishing process in an extinguishing situation. An extinguishing agent can be introduced into the battery housing with the extinguishing apparatus via at least one feed device. In this context, the extinguishing apparatus has at least one extinguishing-agent-generating device which, in the case of an extinguishing situation, is suitable for combining, and is designed to combine, at least two spatially separate extinguishing agent components in a controlled fashion and to mix them to form an extinguishing agent which can be extinguished and which can be introduced into the battery housing via the feed device. 1. A traction battery device for an at least partially electrically driven motor vehicle , said traction battery device comprising:at least one traction battery with at least one battery housing for housing battery modules and/or battery cells and at least one extinguishing apparatus for automatically carrying out an extinguishing process in an extinguishing situation,wherein the at least one extinguishing apparatus is configured to introduce at least one extinguishing agent into the battery housing via at least one feed device,wherein the extinguishing apparatus comprises at least one extinguishing-agent-generating device which is configured to combine at least two spatially separate extinguishing agent components in a controlled fashion and to mix the extinguishing agent components together to form an extinguishing agent which can be introduced into the battery housing via the feed device.2. The traction battery device as claimed in claim 1 , wherein the feed device comprises foam ducts and foam outlet units via which the extinguishing agent claim 1 , in the form of an ...

STABILIZATION SYSTEM OF ESS AND METHOD THEREFOR

A fire spreading prevention method in an energy storage system (ESS) composed of a plurality of battery racks including an individual battery rack fire detection step of detecting whether a fire occurs for each of the plurality of battery racks and a battery rack forced discharge step of forcibly discharging at least some of the plurality of battery racks when a fire is detected in the individual battery rack fire detection step. 1. An energy storage system (ESS) composed of a plurality of battery racks , the ESS comprising:a forced discharge device configured to forcibly discharge power of the ESS;a main output line configured to form a current path between the plurality of battery racks and an electronic device;a forced discharge line configured to form a current path between the plurality of battery racks and the forced discharge device; andan ESS controller configured to set the connection of the plurality of battery racks to one of the main output line and the forced discharge line, a fire detector configured to detect a fire of the battery rack and to output a fire detection signal upon detecting the fire of the battery rack; and', 'a switch assembly configured to connect the battery rack to the main output line or the forced discharge line under the control of the ESS controller., 'wherein each of the plurality of battery racks comprises2. The ESS of claim 1 , wherein the ESS controller comprises:a forced discharge battery rack setting module configured to set at least one battery rack to be forcibly discharged among the plurality of battery racks, when receiving a fire detection signal from at least one of the fire detectors; anda discharge order setting module configured to set a discharge order of the at least one battery rack to be forcibly discharged.3. The ESS of claim 2 , wherein the forced discharge battery rack setting module is configured to:detect an ID of a battery rack where a fire is detected by the respective fire detector,detect an ID of at ...

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.

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.

Wearable and replaceable pouch or skin for holding a portable battery pack

A wearable pouch operable to hold at least one portable battery pack and other power or communications equipment. The wearable pouch includes a main body with a front side, a back side opposite the front side, at least one sealable opening, and at least one opening for at least one lead from the at least one portable battery pack secured within the wearable pouch.

Energy storage device and method for manufacturing the energy storage device

An energy storage device includes: a conductive member (shaft portion) which penetrates a case and is connected to a terminal main body (bus bar connecting portion. The case includes: a through hole through which the conductive member penetrates; a concave portion which is at least a portion of a periphery of the through hole and is formed on one of an inner surface and an outer surface of the case, and a convex portion which is formed at a position opposite to the concave portion on an other of the inner surface and the outer surface of the case. In a plan view of the outer surface of the case, the terminal main body has a shape such that at least a portion of the terminal main body is larger than the concave portion.

Secondary battery

Various embodiments of the present invention relate to a secondary battery and aim to simplify the structure of a terminal part to minimize the space taken up by parts inside a case. To this end, provided in the present invention is a secondary battery comprising: an electrode assembly for a prismatic secondary battery; a case for a prismatic secondary battery for accommodating the electrode assembly; a cap plate coupled to the case; and a terminal part which is coupled to a side portion of the electrode assembly and is extendedly bent from the side portion to an upper portion of the electrode assembly, wherein the terminal part includes a bent part which is bent upward from an end part connected to the upper portion of the electrode assembly to protrude out of the cap plate.

Battery cell cap with integrated fusible link and method of attaching to an electrical interconnection

Devices, methods, and systems are provided that incorporate and support a number of physical fusible links arranged in a terminal of a battery cell. The fusible links are configured as legs connecting a raised platform of a battery cell cap to a conductive base portion of the battery cell cap. Each of the fusible link legs is sized and shaped to function as a fusible link. The fusible link legs include a controlled cross-sectional area disposed along a length of the material making up the fusible link leg. In an overcurrent situation, the connection between an electrical system and a battery cell having the integrated fusible link legs is severed by the overcurrent melting the legs.

Housing for Rechargeable Batteries

Lithium ion batteries are provided that include materials that provide advantageous endothermic functionalities contributing to the safety and stability of the batteries. If the temperature of the lithium ion battery rises above a predetermined level, the endothermic materials serve to provide one or more functions to prevent and/or minimize the potential for thermal runaway, e.g., thermal insulation (particularly at high temperatures); (ii) energy absorption; (iii) venting of gases produced, (iv) raising total pressure within the battery structure; (v) removal of absorbed heat from the battery system via venting of gases produced during the endothermic reaction(s) associated with the endothermic materials, and/or (vi) dilution of toxic gases (if present) and their safe expulsion from the battery system. Multi-core rechargeable electrochemical assemblies are also provided that include a plurality of jelly rolls, a negative current collector, a positive current collector, and a metal case. 1. A multi-core lithium ion battery , comprising:a housing including a base and a plurality of sidewalls that define one or more hollow spaces and an internal volume, wherein a plurality of cavities are formed within the internal volume of the housing,a first covering plate mounted with respect to the housing in substantial alignment with the base so as to enclose the internal volume of the housing,a plurality of lithium ion core members positioned within the housing, wherein one of the plurality of the lithium ion core members is disposed in one of the plurality of cavities; andone or more filler materials disposed in the one or more hollow spaces so as to be in proximity to one or more of the lithium ion core members.2. The lithium ion battery of claim 1 , wherein a region is defined between the housing and the first covering plate that constitutes a shared atmosphere region in communication with each of the plurality of lithium ion core members.3. The lithium ion battery of ...

Forming tool and forming method for producing an overpressure predetermined breaking point in a battery cover

A forming tool and a forming method for producing an overpressure predetermined breaking point in a battery cover by deformation. The forming tool has a stamping tool and a die tool and an optional hold-down arrangement. On the die tool a support surface is provided for the battery cover to be deformed to form a forming cavity in the die tool in a depressed manner. On the stamping tool a stamp part and a ring-shaped stamp part is provided corresponding to a bead to be created in the battery cover in the cross-section. During deformation of the battery cover the stamping tool is pressed in the battery cover, whereby material of the battery cover flows into the forming cavity. Thereby the stamping tool is approached to the forming cavity in a manner such that the remaining distance corresponds to a minimum wall thickness at the overpressure predetermined breaking point.

REMOVABLE TAB AND BATTERY ASSEMBLY HAVING THE SAME

A battery assembly includes a battery that has a top surface surrounded by a circumferential edge; and a removable tab attached to the top surface. The removable tab includes a first tab end and an oppositely disposed second tab end; a gripping region disposed adjacent to the first tab end; and a battery cell attachment region disposed adjacent to the second tab end and attached to the top surface of the battery. The battery cell attachment region has first and second oppositely disposed sidewalls, wherein the second tab end is curved inwardly away from the circumferential edge of the battery such that a portion of the top surface of the battery is exposed between the second tab end and the circumferential edge of the battery 1. A battery assembly , comprising:a battery comprising a top surface surrounded by a circumferential edge; and a first tab end, an oppositely disposed second tab end, and first and second oppositely disposed sidewalls between the first tab end and the second tab end;', 'a gripping region disposed adjacent to the first tab end, the gripping region being located outside of the circumferential edge of the battery; and', 'a battery cell attachment region disposed adjacent to the second tab end, the battery cell attachment region being directly attached to the top surface of the battery within the circumferential edge of the battery, the battery cell attachment region including the second tab end that is curved inwardly away from the circumferential edge of the battery, while attached to the top surface of the battery, such that a portion of the top surface of the battery is exposed between the second tab end and the circumferential edge of the battery., 'a removable tab attached to battery, the removable tab comprising2. The battery assembly of claim 1 , wherein about 5% to about 75% of the top surface of the battery is exposed and the remaining portion of the top surface is covered by the removable tab.3. The battery assembly of claim 1 , wherein ...

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.

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.

Cell

A cell in which thermal welding of a laminate packaging is performed so that the thickness of a thermal welded portion including an electrode terminal is larger than that of a thermal welded portion including no electrode terminal.

Cover assembly and battery comprising the same

A cover assembly and a battery comprising the same are provided. The cover assembly comprises: a cover plate body formed with at least a via hole penetrating therethrough; a cover plate connecting member hermetically connected with the cover plate body at the via hole, which is formed with an electrode receiving hole therein; and an electrode terminal penetrating through the electrode receiving hole to be hermetically connected with and insulated from the cover plate connecting member for leading out a current.

Safety vent and electrochemical device

A safety vent including: a vent 3 that allows gas generated inside a laminate type battery 2 to release to the outside, a gas permeated membrane 4 through which the gas permeates, and a housing case 5 that internally houses the vent 3 and the gas permeated membrane 4 , and that is attached to a gas spout out port 24 formed in a laminated exterior casing 21 of the laminate type battery 2.

ELECTROCHEMICAL CELLS WITH FLAME RETARDANT MECHANISM AND METHODS OF PRODUCING THE SAME

Apparatus, systems, and methods described herein relate to the manufacture and use of electrochemical cells with a flame retardant mechanism. In some embodiments, an electrochemical cell includes a first current collector coupled to a first portion of a first pouch, the first current collector having a first electrode material disposed thereon. The electrochemical cell further includes a second current collector coupled to a second portion of the first pouch, the second current collector having a second electrode material disposed thereon. The electrochemical cell further includes a separator disposed between the first electrode material and the second electrode material, the first portion of the first pouch coupled to the second portion of the first pouch to enclose the electrochemical cell. The electrochemical cell further includes a flame retardant material coated to the first pouch and a second pouch, the second pouch enclosing the first pouch and the flame retardant material. 1. An electrochemical cell , comprising:a first current collector coupled to a first portion of a first pouch, the first current collector having a first electrode material disposed thereon;a second current collector coupled to a second portion of the first pouch, the second current collector having a second electrode material disposed thereon;a separator disposed between the first electrode material and the second electrode material, the first portion of the first pouch coupled to the second portion of the first pouch to enclose the electrochemical cell;a flame retardant material disposed on the first pouch; anda second pouch, the second pouch enclosing the first pouch and the flame retardant material.2. The electrochemical cell of claim 1 , wherein the flame retardant material includes a gas suppression precursor that produces a flame suppressing gas above a threshold temperature.3. The electrochemical cell of claim 2 , wherein the gas suppression precursor includes at least one of urea ...

BATTERY CELL, BATTERY, METHOD AND DEVICE FOR PREPARING A BATTERY CELL

Embodiments of the present disclosure provides a battery cell, a battery, an electrical device and a device for preparing a battery cell. The battery cell includes a housing being hollow and including an opening, and an end cover assembly includes an end cover and an insulator. The end cover is configured to be connected to the opening of the housing and at least the part of the end cover is inserted into the housing. A part of the end cover inserted into the housing includes an end surface and a first side surface. The end surface is substantially perpendicular to an insertion direction of the end cover. The first side surface is distributed along a periphery of the end surface and is opposite to an inner wall surface of the housing. 1. A battery cell characterized by comprising:a housing being hollow and comprising an opening, andan end cover assembly comprising an end cover and an insulator, the end cover being configured to be connected to the opening of the housing and at least a part of the end cover being inserted into the housing, the part of the end cover inserted into the housing comprising an end surface and a first side surface, wherein the end surface is substantially perpendicular to an insertion direction of the end cover, the first side surface is distributed along a periphery of the end surface and is opposite to an inner wall surface of the housing, and wherein the inner wall surface is substantially parallel to the insertion direction of the end cover, and the end surface and the first side surface intersect to form a first edge, andwherein the insulator is connected to the end surface, and the insulator extends beyond the first edge toward the inner wall surface in a first direction, and wherein the first direction is a direction perpendicular to the insertion direction of the end cover and towards the inner wall surface.2. The battery cell according to claim 1 , characterized in that the insulator comprises a second side surface claim 1 , the ...

BATTERY PACK AND VEHICLE

A battery pack and a vehicle are provided. The battery pack includes: a box cover, a battery row, a protective member, and a constraining component. A first path for guiding airflow to flow in a first direction is provided between the protective member and an upper surface of the battery row. The constraining component is located between the battery row and an inner wall of a cavity in the first direction, at least a part of a top of the constraining component is lower than the upper surface of the battery row, the constraining component constrains the battery row, and the part of the top of the constraining component lower than the upper surface of the battery row, the battery row, and the box cover form a second path communicating with fluid in the first path. The battery pack allows smoother discharge of produced gas and better safety performance. 1. A battery pack , comprising:an accommodating box, comprising a box body and a box cover, wherein a cavity is provided inside the box body, and the box cover is closed on a top of the box body;a battery row, comprising a plurality of batteries arranged side by side in the cavity along a first direction, wherein a battery comprises a top cover and an explosion-proof valve disposed on the top cover;a protective member, covering all explosion-proof valves of the battery row, wherein a first path for guiding fluid to flow in the first direction is provided between the protective member and an upper surface of the top cover, and the first direction is perpendicular to a height direction of the battery; anda constraining component, disposed in the cavity, located between the battery row and an inner wall of the cavity in the first direction, and configured to constrain the battery row; wherein in the height direction, at least a part of a top of the constraining component is lower than the upper surface of the top cover, and the part of the top of the constraining component lower than the upper surface of the top cover, the ...

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.

BATTERY PACK

A battery pack, including: a plurality of battery cells, where each of the plurality of battery cells includes a top cover and a case, the top cover is hermetically connected on a top of the case, the case includes opposite first surfaces and opposite second surfaces, and an area of each first surface is larger than that of each second surface; and a lower housing, including a bottom plate disposed at a bottom, side plates disposed at sides, and an opening is disposed at an upper part, each of a pair of opposite side plates of the lower box is disposed with a reinforcing beam. At least one first surface of the plurality of battery cells is in contact with a side plate of the lower housing or the reinforcing beam. 1. A battery pack , comprising:a plurality of battery cells, wherein each of the plurality of battery cells comprises a top cover and a case, the top cover is hermetically connected on a top of the case, the case comprises opposite first surfaces and opposite second surfaces, and an area of each first surface is larger than that of each second surface; anda lower housing, comprising a bottom plate disposed at a bottom, side plates disposed at sides, an opening disposed at an upper part; each of a pair of opposite side plates of the lower box is disposed with a reinforcing beam; andat least one first surface of the plurality of battery cells is in contact with at least one of a side plate of the lower housing and the reinforcing beam.2. The battery pack according to claim 1 , wherein the reinforcing beam comprises a first reinforcing beam claim 1 , the first reinforcing beam is disposed inside the lower housing claim 1 , and at least one first surface of the plurality of battery cells is in contact with the first reinforcing beam.3. The battery pack according to claim 2 , wherein a height of the first reinforcing beam is less than a height of the side plate of the lower housing claim 2 , and the first reinforcing beam and the side plate of the lower box are ...

BATTERY RUPTURE VENT STRUCTURE AND METHOD FOR MANUFACTURING SAME, BATTERY COVER, AND BATTERY

Provided is a method for manufacturing a vent structure. The vent structure comprises a vent, and the method includes: providing a first notch without intersection on the surface of the vent with a first depth; and providing a second notch with a second depth on part of the first notch in the direction of the first depth. 11. A method for manufacturing a vent structure , wherein the vent structure comprises a vent () , and the method comprises:{'b': 11', '1, 'providing, with a first depth, a first notch () having no intersection on a surface of the vent (); and'}{'b': 12', '11, 'providing a second notch () having a second depth on part of the first notch () in a direction of the first depth.'}2. The method for manufacturing the vent structure of claim 1 , wherein the second depth is greater than the first depth.311. The method for manufacturing the vent structure of claim 1 , wherein the first notch () is a closed line.4. The method for manufacturing the vent structure of claim 1 , wherein a depth difference between the second depth and the first depth is 0.05 mm to 0.15 mm.511121111. The method for manufacturing the vent structure of any one of to claim 1 , wherein the first notch () is racetrack-shaped claim 1 , and the second notch () is located at an arc portion of the first notch () and a part of a straight-line portion of the first notch ().6111211. The method for manufacturing the vent structure of any one of to claim 1 , wherein the first notch () is arc-shaped claim 1 , and a track length of the second notch () is ⅗ to ⅚ of a track length of the first notch ().711. A battery vent structure claim 1 , wherein the battery vent structure is manufactured by the method for manufacturing the vent structure of any one of to claim 1 , the battery vent structure comprises the vent () claim 1 , and the vent () is configured to fracture from the second notch when an internal air pressure of a battery exceeds a threshold.8. A battery cover claim 1 , comprising:{'b': 2', ...

Battery pack

This disclosure relates to a battery pack, including: an upper cover ( 1 ) including an upper cover body and an explosion-proof exhaust structure ( 3 ), the upper cover body including a top plate ( 11 ) in an upper part and a side plate ( 12 ), and an opening in a lower part, the explosion-proof exhaust structure ( 3 ) being disposed on the side plate ( 12 ), and an exhaust duct being provided between the top plate ( 11 ) and the explosion- proof exhaust structure ( 3 ); and a lower housing ( 2 ), where the upper cover ( 1 ) is disposed above the lower housing ( 2 ), the lower housing ( 2 ) is disposed with batteries ( 5 ), and each of the batteries is provided with an explosion-proof valve ( 51 ). The exhaust structure ( 3 ) of the upper cover ( 1 ) of the battery pack is disposed on the side plate ( 12 ). Hot gas rapidly increased in the battery pack due to thermal runaway is exhausted from a lateral side by the explosion-proof exhaust structure ( 3 ) disposed on the side plate ( 12 ), thereby effectively reducing safety hazards to a passenger compartment caused by the hot gas exhausted from an upper end of the battery pack. In addition, the battery pack can be manufactured by improving an existing upper cover structure, thereby possessing advantages of cost-efficiency and significant effects.

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.

SEALING STRUCTURE FOR BATTERY

A sealing structure for a battery includes a plate shaped member having a through hole, a polymer molding, and an electrode. The polymer molding has a tube portion provided along an entire edge of the through hole, and a base portion provided on the tube portion. The electrode has a column portion disposed on an inner periphery of the tube portion, and a plate portion provided on the column portion. A back surface of the plate shaped member contacts a front surface of the base portion. A front surface of the plate portion contacts a back surface of the base portion. At least one of the back surface of the plate shaped member and the front surface of the plate portion has an annular projection provided around the through hole and projecting toward the base portion.

POWER STORAGE DEVICE AND METHOD OF MANUFACTURING SAME

A power storage device includes: a power storage module in which a plurality of power storage cells are stacked along a stacking direction; and a case that accommodates the power storage module, wherein each of the power storage cells in the power storage module has a main surface extending in a direction substantially orthogonal to the stacking direction, and the case includes a supporting portion that supports, along the stacking direction, the power storage module accommodated in the case, and the case is provided with a recess that is provided at a position different from the supporting portion and that opens toward the main surface.

FIRE PROTECTION DEVICE WITH A COMPOSITE SYSTEM, COMPOSITE SYSTEM AND BATTERY PACK WITH A FIRE PROTECTION DEVICE

Fire protection device with composite system, composite system and battery pack with fire protection device. 116-. (cancelled)17. A composite system comprising:(1) a carrier layer,(2) an adhesive layer, and(3) a fire protection layer containing an ablative compound.181. The composite system according to claim , wherein the ablative compound is selected from the group consisting of LiNO.3HO , NaCO.HO , NaCO.7HO , NaCO.10HO , NaCa(CO).2HO , NaCa(CO).5HO , Na(HCO)NaCO.2HO , NaSO.5HO , NaOSi.5HO , KF.2HO , CaBr. 2HO , CaBr.6HO , CaSO.2HO , Ca(SO).½HO , Ba(OH).8HO , Ni(NO)2.6HO , Ni(NO).4HO , Ni(NO).2HO , Zn(NO).4HO , Zn(NO).6HO , (ZnO)(BO).3HO , Mg(NO).6HO , MgSO.7HO , Mg(OH) , Al(OH) , Al(OH).3HO , AlOOH , Al[SO].nHO with n=14-18 , KAl(SO).12HO , CaO.AlO.10HO , MgCO.3HO , CaMg(Al ,Fe)CO(OH).29HO , CaSi(OH)(SO)(CO).12HO , CaAl[(OH)″(SO)].26HO , 3CaO.AlO.3CaSO.32HO , Mg(OH)(CO)4HO , CaAl(OH).6HO , MgAl(OH)CO.4HO , CaAl(OH)(CO).3HO , Scarbroit , Al(CO)(OH) , 3CaO.AlO.6HO , NaAl(OH)CO , Al(OH) , hydrous zeolites , vermiculites , colemanites , perlites , mica , alkali silicates , borax , modified carbons , graphites , silicas and mixtures thereof.19. The composite system according to claim 17 , wherein the ablative compound comprises ettringite.20. The composite system according to claim 17 , wherein the ablative compound comprises Al(OH).21. The composite system according to claim 17 , wherein the ablative compound comprises synthetic ettringite and Al(OH).22. The composite system according to claim 17 , wherein the fire protection layer comprises a glass fibre fleece or glass fibre fabric coated with a fire protection composition comprising the ablative compound.23. A fire protection device comprising: (a1) a carrier layer,', '(a2) an adhesive layer and', '(a3) a fire protection layer comprising an ablative compound, and, '(a) a composite system comprising(b) a shell in which the composite system is arranged.24. The fire protection device according to claim 23 , wherein ...

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.

Battery

A battery including: a battery can having a cylindrical portion, a bottom wall closing one end of the cylindrical portion, and an open rim continuing to the other end of the cylindrical portion; an electrode body housed in the cylindrical portion; and a sealing body fixed to the open rim so as to seal an opening defined by the open rim. The sealing body includes a sealing plate and a gasket disposed at a peripheral portion of the sealing plate. The gasket is compressed between an end surface of the peripheral portion and the open rim, in a radial direction of the opening.

Batteries having vents

Batteries having vents are disclosed. An example battery includes a housing, including: a first terminal and a second terminal. The first terminal includes a cover. The cover includes at least one line of weakness therein. The line of weakness is structured to form an opening when a threshold pressure is satisfied within the housing to enable gas to vent from the housing through the opening. A filter is positioned within the housing and adjacent the cover. The filter has an aperture structured to enable the gas to vent from the housing and to deter solid material housed within the housing from exiting the opening when the threshold pressure is satisfied.

Battery pack

A battery pack is disclosed. In one aspect, the battery pack includes a battery cell and a protective circuit module electrically connected to the battery cell. The protective circuit module includes a substrate and a protective device mounted on the substrate. The battery pack also includes a lower frame including an accommodation space for the battery cell and the protective circuit module and a cover coupled to the lower frame and covering at least a portion of the protective circuit module. The cover includes a protrusion protruding the lower frame and having an uneven surface and the lower frame includes a groove. The protrusion is placed in the groove and secured therein by interference fitting.

SECONDARY BATTERY PACK WITH IMPROVED THERMAL MANAGEMENT

The present invention relates to a novel secondary battery pack with improved thermal management useful for an all-electric vehicle (EV), a plug-in hybrid vehicle (PHEV), a hybrid vehicle (HEV), or battery packs used for other vehicles batteries, and more particularly, to the use of a specific material for thermally insulating a secondary battery pack and further minimizing the propagation of thermal runaway within a battery pack. 2103. A secondary battery pack according to claim 1 , wherein battery cells are of lithium-ion type.3102. A secondary battery pack according to claim 1 , further comprising a plurality of heat dissipation members which are disposed at two or more interfaces between the battery cells claim 1 , and at least one heat exchange member integrally interconnecting the heat dissipation members which is mounted to one side of the battery module casing claim 1 , whereby heat generated from the battery cells during the charge and discharge of the battery cells is removed by the heat exchange member.4. A secondary battery pack according to claim 3 , wherein heat dissipation members are made of a thermally conductive material exhibiting high thermal conductivity and the heat exchange member is provided with one or more coolant channels for allowing a coolant such as a liquid or a gas to flow there.5. A secondary battery pack according to claim 1 , wherein the level of hollow glass beads is up to 80% volume loading in the silicone rubber syntactic foam claim 1 , and preferably between 5% and 70% by volume loading of the silicone rubber syntactic foam.6102103102102. A secondary battery pack according to claim 1 , wherein said silicone rubber syntactic foam is used as a potting material disposed either in said battery module casing to at least partially encapsulate said plurality of battery cells and/or outside the battery module casing so as to at least partially encapsulate the said battery module casing .7. A process for preparation of a secondary ...

SECONDARY BATTERY

Provided is a secondary battery that enables an air tightness of a battery container to be ensured with more certainty compared with a conventional one. A secondary battery includes a wound body , a pair of current collector plates , a battery can , a battery lid , an insulating plate , an insulating sheet , and a pair of external terminals , and an end portion of the insulating sheet adjacent to the battery lid is secured to the insulating plate 1. A secondary battery comprising:a wound body in which a positive electrode and a negative electrode are wound with separators interposed;a respective pair of current collector plates connected to the positive electrode and the negative electrode;a battery can that houses the wound body and the current collector plates;a battery lid joined to an opening of the battery can;an insulating plate disposed between the current collector plates and the battery lid;an insulating sheet that covers the wound body and the current collector plates inside the battery can; anda pair of external terminals that are connected to the respective current collector plates, pass through the insulating plate and the battery lid, and are exposed to an outside of the battery lid,wherein the insulating sheet has an end portion adjacent to the battery lid, and the end portion is secured to the insulating plate.2. The secondary battery according to claim 1 , comprisinga pair of the insulating plates separately disposed on one end and another end of the battery lid.3. The secondary battery according to claim 2 ,wherein the insulating sheet covers the wound body in a circumferential direction of the battery can along an opening edge of the opening and has end portions in the circumferential direction disposed at positions not to overlap the pair of insulating plates.4. The secondary battery according to or claim 2 ,wherein the insulating sheet covers the wound body over a whole circumference in a circumferential direction of the battery can along an ...

TERMINAL FOR SECONDARY BATTERY AND METHOD FOR MANUFACTURING TERMINAL FOR SECONDARY BATTERY

Provided is a method for manufacturing an electrode terminal formed of different kinds of metals excellent injunction strength. The manufacturing method of a terminal herein disclosed includes the following steps of: preparing a first member and a second member each made of a metal and forming the terminal, with the first member being formed in a sheet shape and having at one surface thereof a concave part for allowing a part of the second member to be fitted therein, and with the second member having a flange part to be accommodated in the concave part; and fixing the first member and the second member to each other by ultrasonic pressure contact, with the ultrasonic pressure contact being performed by applying an ultrasonic wave vibration while applying a pressure in a direction of stacking of the first member and the second member in a state where the flange part of the second member is arranged in the concave part of the first member, thereby extending the flange part, and bringing a part of the extended flange part into pressure contact with an inner wall surface of the concave part. 1. A method for manufacturing a terminal forming any of a positive electrode and a negative electrode of a secondary battery , the method comprising the steps of:preparing a first member and a second member each made of a metal and forming the terminal,with the first member being formed in a sheet shape and having at one surface thereof a concave part for allowing a part of the second member to be fitted therein, and with the second member having a flange part to be accommodated in the concave part; andfixing the first member and the second member to each other by ultrasonic pressure contact,with the ultrasonic pressure contact being performed by applying an ultrasonic wave vibration while applying a pressure in a direction of stacking of the first member and the second member in a state where the flange part of the second member is arranged in the concave part of the first member, ...

Energy storage module

An energy storage module includes: a plurality of battery cells arranged in a length direction, each of the battery cells including a vent; a plurality of insulation spacers, at least one of the insulation spacers being located between long side surfaces of an adjacent pair of the battery cells; a cover member; a top plate coupled to a top portion of the cover member and including ducts respectively corresponding to the vents of the battery cells and including opening holes respectively corresponding to the insulation spacers; a top cover coupled to a top portion of the top plate and including discharge holes located in an exhaust area and respectively corresponding to the ducts; and an extinguisher sheet located between the top cover and the top plate, configured to emit a fire extinguishing agent at a temperature exceeding a certain temperature and including opening holes located to correspond to the ducts.

Energy storage module

An energy storage module includes: a cover member accommodating a plurality of battery cells in an internal receiving space, the battery cells being arranged in a first direction, each of the battery cells including a vent; a top plate coupled to a top of the cover member and including a duct corresponding to the vent of each of the battery cells; a top cover coupled to a top of the top plate and having a discharge opening corresponding to the duct; and an extinguisher sheet between the top cover and the top plate, the extinguisher sheet being configured to emit a fire extinguishing agent at a reference temperature.

Cylindrical secondary battery configured to prevent overcharge thereof

A cylindrical secondary battery configured to have a structure to which an adhesion unit, including an adhesive material, a conductive material, and PTC particles, is provided. The adhesion unit is configured to couple a cap assembly, which functions as a positive electrode terminal of the cylindrical secondary battery, and a positive electrode tab of a jelly-roll type electrode assembly to each other.

Power battery cover plate equipped with a current interruption device

The invention pertains to the field of battery technology, in particular to a power battery cover plate equipped with a current interruption device, comprising a cover plate, a positive Terminal, a vent and a negative teminal, wherein, the positive Terminal, the vent and the negative teminal are installed on the cover plate; the negative teminal comprises an upper part of the negative teminal and a lower part of the negative teminal, in which, the lower part of the negative teminal is assembled with the upper part of the negative teminal in an insulated and sealed way, the upper part of the negative teminal is connected with the lower part of the negative teminal via an elastic connector, the lower part of the negative teminal is provided with a notch to which the elastic connector is corresponding to.

Battery module

The present disclosure provides a battery module, which comprises: a plurality of batteries, each battery includes a cap assembly, the cap assembly includes a cap plate; and a FPC positioned above the cap plates of the plurality of batteries. The cap plate of at least one battery is provided with a fixing column, the FPC is provided with a positioning hole at a position corresponding to the fixing column. The fixing column has: a rod portion received in the positioning hole, one end of the rod portion is fixed to the cap plate; and a cover portion connected with the other end of the rod portion, covering the positioning hole and fixed to the FPC. The method for fixing the FPC of the battery module is stable and effective, improves the fixation reliability of the FPC, facilitates the automatic production and reduces the cost of the battery module.

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.

APPARATUS FOR RESISTING FLAME OF BATTERY OF ELECTRIC VEHICLE

An apparatus for resisting flame of a battery of an electric vehicle includes: a battery module including a plurality of battery cells; and a flame resisting sheet provided between the plurality of battery cells. 1. An apparatus for resisting flame of a battery of an electric vehicle , the apparatus comprising:a battery module including a plurality of battery cells; anda flame resisting sheet provided between the plurality of battery cells.2. The apparatus of claim 1 , wherein:the plurality of battery cells are divided into a plurality of series battery cell assemblies that are adjacent to each other and connected to each other in series, andthe flame resisting sheet is respectively provided between the series battery cell assemblies.3. The apparatus of claim 1 , wherein:the plurality of battery cells include a plurality of series battery cell assemblies that are adjacent to each other and connected to each other in parallel, andthe flame resisting sheet is respectively provided between the series battery cell assemblies.4. The apparatus of claim 1 , further comprising:an adjustment sheet stacked on the flame resisting sheet and configured to prevent a deformation of the battery module.5. The apparatus of claim 4 , whereinthe adjustment sheet includes silicone or urethane.6. The apparatus of claim 4 , whereinthe flame resisting sheet includes mica or silicon.7. The apparatus of claim 1 , wherein:battery cells of the plurality of battery cells are a pouch type,the pouch type-battery cells each include a main body and rounding portions formed at ends of the main body, andan area of the flame resisting sheet is greater than an area of the main body.8. The apparatus of claim 1 , wherein:battery cells of the plurality of battery cells are a prismatic type, andan area of the flame resisting sheet is greater than a side area of a prismatic type-battery cell in contact with the flame resisting sheet among the prismatic type-battery cells.9. The apparatus of claim 1 , ...

EXPLOSIVE ENVIRONMENT NEUTRALIZATION IN CHEMICAL ENERGY STORAGE

Apparatus and associated methods relate to a neutralization and circulation module (NCM) configured to generate a combustion suppressant stream from a flammable intake stream. In an illustrative example, the NCM includes an intake port and an output port, each in fluid communication with a chamber containing (electro)chemical energy storage units capable of emitting combustible gases. The NCM may, for example, include a reactor in fluid communication between the intake and output port. The reactor may, for example, selectively apply an oxygen-containing stream from an oxygen source to the intake stream to generate, from the stream containing combustible gases, a combustion suppressant gas stream that is discharged through the output port into the chamber such that an upper flammability limit approaches a lower flammability limit in the chamber. Various embodiments may advantageously eliminate a flammable regime in a chemical energy storage environment. 1. A neutralization and circulation module comprising:an intake port and an output port, each in fluid communication with a chamber that substantially encloses a system of lithium-based chemical energy storage units capable of emitting combustible gases into the chamber; and,a reactor, the reactor in fluid communication between the intake port and the output port, the reactor comprising a catalyst and being further in controlled communication with an oxygen source such that the reactor, in response to receiving an intake stream via the intake port, selectively applies an oxygen-containing stream from the oxygen source to the intake stream to neutralize the combustible gases and generate a combustion suppressant gas stream that is discharged through the output port into the chamber such that an upper flammability limit approaches a lower flammability limit in the chamber.2. The neutralization and circulation module of claim 1 , wherein the combustion suppressant gas stream is discharged such that the upper flammability ...

SECONDARY BATTERY

A secondary battery according to an aspect of the present disclosure includes a multilayer electrode body obtained by laminating multiple electrode plates with a separator interposed in between, multiple electrode tabs protruding from first ends of the multiple electrode plates, an exterior body having an opening receiving the multilayer electrode body, a sealing plate that closes the opening, a collector disposed on the sealing plate and connected to the multiple electrode tabs with a connector, and a binding member that binds the multiple electrode tabs between the connector and the multilayer electrode body. A secondary battery with this structure prevents damages of electrode tabs due to abrasion between the electrode tabs. 1. A secondary battery , comprising:a multilayer electrode body obtained by laminating a plurality of electrode plates with a separator interposed in between,a plurality of electrode tabs protruding from first ends of the plurality of electrode plates,an exterior body having an opening receiving the multilayer electrode body,a sealing plate that closes the opening,a collector disposed on the sealing plate and connected to the plurality of electrode tabs with a connector, anda binding member that binds the plurality of electrode tabs between the connector and the multilayer electrode body.2. The secondary battery according to claim 1 ,wherein the plurality of electrode tabs have bent portions, andwherein the binding member binds the plurality of electrode tabs together at the bent portions.3. The secondary battery according claim 1 , to claim 1 , wherein the binding member has a mechanism of clamping the plurality of electrode tabs with a resin member.4. The secondary battery according claim 1 , to claim 1 , wherein the binding member has a mechanism of bonding the plurality of electrode tabs together with an adhesive.5. The secondary battery according to claim 1 , wherein a first end of the binding member is fixed to the sealing plate. The ...

Matte Flame Retardant Label

Provided herein is a flame retardant label suitable for labeling electrical devices. The disclose label includes a coating layer, a film layer, an adhesive layer, and, optionally, a liner layer. The coating layer and the adhesive layer may include flame retardants. The flame retardant label may also include channels that provide for air egress during application of the label. 1. A flame retardant label , comprising:a coating layer, comprising a first base polymer, a first crosslinker, and a first flame retardant agent;a film layer; andan adhesive layer, comprising a second base polymer, a second flame retardant agent, a tackifier, and a second crosslinker.2. The flame retardant label of claim 1 , wherein the adhesive layer is in contact with at least a portion of the film layer.3. The flame retardant label of claim 1 , wherein each of the coating layer claim 1 , the film layer claim 1 , and the adhesive layer comprises a top surface and a bottom surface.4. The flame retardant label of claim 1 , wherein the adhesive layer defines channels for air egress.5. The flame retardant label of claim 4 , wherein the channels are arranged as tessellating rhombuses.6. The flame retardant label of claim 1 , wherein the flame retardant label has a haze value from 5 to 80.7. The flame retardant label of claim 1 , wherein the first base polymer comprises a polyester claim 1 , polyacrylate claim 1 , or combinations thereof.8. The flame retardant label of claim 1 , wherein the coating layer comprises a polyester claim 1 , polyacrylate claim 1 , or combinations thereof in an amount ranging from 20 wt. % to 60 wt. %.9. The flame retardant label of claim 1 , wherein the first base polymer has a hydroxyl value greater than 100 mgKOH/g.10. The flame retardant label of claim 1 , wherein the second base polymer comprises a polyester claim 1 , polyacrylate claim 1 , or combinations thereof.11. The flame retardant label of claim 1 , wherein the second base polymer has a hydroxyl value less ...

BATTERY AND METHOD FOR PRODUCING SAME

Disclosed is a battery including: a battery can including a cylinder portion including an opening edge portion at one end portion thereof and a bottom portion closing the other end portion of the cylinder portion; an electrode body housed in the cylinder portion; and a sealing member fixed to the cylinder portion to seal an opening of an opening edge portion. The sealing member includes a lid portion covering the opening of the opening edge portion. A first engagement portion is formed in the end portion of the cylinder portion on the opening edge portion side, and a second engagement portion is formed in an end portion of the lid portion on an outer circumferential side. A first surface of the first engagement portion and a second surface of the second engagement portion are bonded, with the first surface and the second surface overlapping each other. 1. A battery comprising:a battery can that includes a cylinder portion and a bottom portion, the cylinder portion having an opening edge portion at one of end portions of the cylinder portion, the other one of the end portions of the cylinder portion being closed by the bottom portion;an electrode body that is housed in the cylinder portion; anda sealing member that is fixed to the cylinder portion to seal an opening of the opening edge portion,wherein the sealing member includes a lid portion that covers the opening,a first engagement portion is formed in the end portion of the cylinder portion on an opening edge portion side,a second engagement portion is formed in an end portion of the lid portion on an outer circumferential side, anda first surface of the first engagement portion and a second surface of the second engagement portion are bonded to each other, with the first surface and the second surface overlapping each other.2. The battery in accordance with claim 1 ,wherein the opening edge portion includes a first portion that is bent and extends outward or inward of the cylinder portion in a radial direction ...

BATTERY RACK AND POWER STORAGE DEVICE COMPRISING SAME

A battery pack includes a plurality of battery modules, each having at least one battery cell, a rack case configured to accommodate the plurality of battery modules, and a fire proof unit mounted to be spaced apart from each other by a predetermined distance along a vertical direction of the rack case and configured to support the battery modules and prevent flame and heat from propagating to adjacent battery modules when a fire occurs in at least one of the plurality of battery modules. 1. A battery rack , comprising:a plurality of battery modules, each of the plurality of battery modules having at least one battery cell;a rack case configured to accommodate the plurality of battery modules; anda fire proof unit mounted to be spaced apart from each other by a predetermined distance along a vertical direction of the rack case and configured to support the plurality of battery modules and prevent flame and heat from propagating to adjacent battery modules of the plurality of battery modules when a fire occurs in at least one of the plurality of battery modules.2. The battery rack according to claim 1 , wherein the fire proof unit includes:a plurality of fire proof plates mounted along the vertical direction of the rack case to support the plurality of battery modules, respectively; anda pair of fire proof manifolds configured to communicate with the plurality of fire proof plates and connected to an external cooling system.3. The battery rack according to claim 2 , wherein each of the plurality of fire proof plates includes:a plate body having a cooling channel formed therein to circulate a cooling medium;an inlet port provided at one side of the plate body and configured to communicate with the cooling channel; andan outlet port provided to the plate body to be spaced apart from the inlet port by a first predetermined distance and configured to communicate with the cooling channel.4. The battery rack according to claim 3 , wherein the pair of fire proof manifolds ...

BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME

A battery module includes a plurality of battery cells stacked on one another in a first direction, hot melt being coated and fixing between at least some battery cells of the plurality of battery cells, and a pair of end plates that surface-contact with opposite end battery cells of a stacked structure in which the plurality of battery cells is stacked and fix a distance therebetween. 1. A battery module comprising:a plurality of battery cells stacked on one another in a first direction and configured to form a stacked structure, wherein some battery cells of the plurality of battery cells are coated with hot melt respectively interposed between battery cells of the plurality of battery cells to fix the battery cells of the plurality of battery cells; anda pair of end plates configured to respectively surface-contact with opposite end battery cells of the stacked structure in the first direction.2. The battery module of claim 1 , wherein the stacked structure includes a plurality of cell assemblies including a pair of battery cells stacked across a surface pressure pad interposed therebetween claim 1 , andwherein the plurality of cell assemblies is stacked in the first direction.3. The battery module of claim 2 , wherein claim 2 , in each cell assembly of the plurality of cell assemblies claim 2 , the pair of battery cells are stacked to position respective electrodes having the same polarity adjacent to each other.4. The battery module of claim 2 , wherein the plurality of cell assemblies in the stacked structure are stacked on one another to arrange respective electrodes having different polarities adjacent to each other.5. The battery module of claim 2 , wherein the hot melt is coated between the stacked cell assemblies.6. The battery module of claim 1 , wherein the hot melt is coated to have a plurality of rows in a direction parallel to a lengthwise side of a bonding surface of the battery cells that surface-contact each other.7. The battery module of claim 1 ...

TOP CAP ASSEMBLY, SECONDARY BATTERY, BATTERY MODULE AND DEVICE

The present application relates to a top cap assembly, a secondary battery, a battery module, and a device. The top cap assembly includes a top cap plate, having electrode lead-out hole; an electrode terminal, arranged at the top cap plate and covering the electrode lead-out hole; a current collecting member, in which the current collecting member includes a convex portion having an accommodating cavity, at least part of the convex portion is arranged in the electrode lead-out hole, and welded and connected to the electrode terminal to form a welding portion facing the accommodating cavity, and the current collecting member has a connecting hole; an insulating protection member, in which the insulating protection member is arranged at a side of the current collecting member away from the electrode terminal, and the insulating protection member includes a shielding portion and a connecting portion connected with the shielding portion. 1. A top cap assembly for a secondary battery , the top cap assembly comprisinga top cap plate, having an electrode lead-out hole;an electrode terminal, arranged at the top cap plate and covering the electrode lead-out hole;a current collecting member, wherein the current collecting member comprises a convex portion having an accommodating cavity, at least part of the convex portion is arranged in the electrode lead-out hole, and welded and connected to the electrode terminal to form a welding portion facing the accommodating cavity, the current collecting member has a connecting hole, and the connecting hole has a first opening formed on a surface of the current collecting member away from the electrode terminal;an insulating protection member, wherein the insulating protection member is arranged at a side of the current collecting member away from the electrode terminal, the insulating protection member comprises a shielding portion and a connecting portion connected with the shielding portion, the shielding portion shields the ...

Cell-core for lithium slurry battery, and lithium slurry battery module

Provided is a no-liquid cell-core for a lithium slurry battery. The no-liquid cell-core comprises multiple positive electrode pieces and negative electrode pieces overlapping alternately. The positive electrode piece comprises an electric-conductive cathode layer and a cathode surface current-collecting layer, wherein the electric-conductive cathode layer contains a part or all of the electric-conductive cathode particles in accumulated state without adhesive bonding, and the cathode surface current-collecting layer is set on the surface of the electric-conductive cathode layer and contacted with it tightly. The negative electrode piece comprises an electric-conductive lithium-intercalatable anode layer which is a lithium-containing metal body and/or a layer containing a part or all of electric-conductive lithium-intercalatable anode particles in accumulated state without adhesive bonding. The peripheral edges of the positive electrode piece and/or the negative electrode piece are insulated and sealed. A lithium slurry battery module containing the no-liquid cell-core is also provided.

Rechargeable battery

Disclosed is a rechargeable battery that can improve sealing performance of a gasket and prevent a cap assembly from rotating with respect to a case. The rechargeable battery includes an electrode assembly that includes an anode, a cathode, and a separator interposed between the anode and the cathode, a case that accommodates the electrode assembly, a cap assembly that is coupled with the case to close and seal the case and that has an electrode terminal, and a gasket that is provided between the cap assembly and the case. A protrusion is formed at a surface of the gasket. A ratio of a height of the protrusion to a half-width of the protrusion is about 0.5 to 0.8.

INTUMESCENT COATING COMPOSITION

The present invention discloses an intumescent coating composition, a method for coating a substrate with said composition, a substrate coated with said composition, an article comprising said substrate, and a method to provide fire protection for a battery and/or an article comprising a battery in particular a vehicle comprising a lithium ion battery. 1. An intumescent coating composition comprising: (a1) a polyepoxy-functional compound and optionally;', '(a2) a beta-hydroxy ester of (meth)acrylic acid; and/or', '(a3) a (meth)acrylate-functional compound different from compound (a2);, '(a) a resin component comprising'}(b) a crosslinker component comprising at least one compound (b1) bearing a plurality of functional groups that are reactive with the epoxy groups of the polyepoxy-functional compound; [{'br': None, 'sub': n', 'm', 'o, '(Y-L-)—SiXR\u2003\u2003(I),'}, {'br': None, 'sub': u', 'v', 'w', 'z, '(Y-L)-B—(K—SiXR)\u2003\u2003(II)'}], '(c) 5 to 20 wt.-% based on the total weight of the intumescent coating composition of an organo silane compound selected from organo silane compounds of formula (I) or (II) and combinations thereof'} n and m are integers from 1 to 3 and o is an integer from 0 to 2, wherein n+m+o is 4;', 'y is an integer from 1 to 3 and w is an integer from 0 to 2, wherein y+w is 3;', 'u is an integer of at least 1 and z is an integer of at least 2;', 'B is a polyvalent organic group, wherein the valency of B is u+z;', 'L is a divalent organic group or a bond if Y is a vinyl group;', 'K is a divalent organic group or a bond;', 'Y comprises a functional group reactive with the epoxy groups and/or the (meth)acrylate groups if present of component (a) or the functional groups of component (b);', 'X is independently selected at each occurrence from chloro, alkoxy, acyloxy and oximino;', 'R is a hydrocarbyl group; and, 'wherein(d) a compound providing an expansion gas upon thermal decomposition; wherein the compounds as defined for (a) to (d) differ ...

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.

Nonaqueous electrolyte secondary battery

A battery subjected to a charging/discharging including at least initial charging is configured such that a power generating element constituting a laminated positive electrode and negative electrode separated by a separator is stored within a covering along with a nonaqueous electrolyte and an additive, the covering is sealed with a terminal leading out of the covering, and a relational expression R E <R C <R A is defined by using a total amount of presence W E of the additive component in the electrolyte, W C of the additive component in the positive electrode, and W A of the additive component in the negative electrode after charging/discharging as W T , and by using an abundance ratio of W E with respect to the total amount of W T , W C with respect to the total amount of W T , and W A with respect to the total amount of W T as R E , R C , and R A .

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.

Secondary battery

A secondary battery according to one or more embodiments includes an electrode assembly including a first electrode plate including a first electrode tab, a second electrode plate including a second electrode tab, and a separator between the first electrode plate and the second electrode plate, a case including a body accommodating the electrode assembly, a cap plate at an upper portion of the body, and a bottom plate at a lower portion of the body, an electrode terminal including a first electrode terminal electrically connected to the first electrode tab and extending through the cap plate, and a second electrode terminal electrically connected to the second electrode tab via the case and on the cap plate, and a first safety vent in the bottom plate, wherein an exterior surface of the bottom plate defines a gas exhaust groove in communication with the first safety vent.

BATTERY FIRE DETECTION DEVICE AND METHOD, AND ENERGY STORAGE SYSTEM

A battery fire detection device according to an embodiment includes: a first sensor configured to detect whether a gas vent of a battery cell is opened; a second sensor configured to detect a temperature of the battery cell; and a controller configured to determine whether there is a risk of fire or whether a fire occurs in the battery cell based on detection results of the first sensor and the second sensor. 1. A battery fire detection device comprising:a first sensor configured to detect whether a gas vent of a battery cell is opened;a second sensor configured to detect a temperature of the battery cell; anda controller configured to determine whether there is a risk of fire or whether a fire occurs in the battery cell based on detection results of the first sensor and the second sensor.2. The battery fire detection device according to claim 1 , wherein claim 1 , when the gas vent of the battery cell is opened claim 1 , the controller determines a temperature and a temperature change of the battery cell after the gas vent is opened claim 1 , and determines whether there is a risk of fire or whether a fire occurs in the battery cell based on the temperature and the temperature change of the battery cell after the gas vent is opened.3. The battery fire detection device according to claim 2 , wherein claim 2 , when the temperature of the battery cell is decreased by a second temperature or higher from a first temperature or higher for a first period of time after the gas vent is opened claim 2 , the controller determines that the battery cell is at risk of fire or in which a fire has occurred therein.4. The battery fire detection device according to claim 3 , wherein the first temperature is 100° C. claim 3 , the first period of time is 5 seconds claim 3 , and the second temperature is 5° C.5. The battery fire detection device according to claim 1 , wherein claim 1 , if the gas vent of the battery cell is not opened claim 1 , the controller determines the temperature ...

OUTER PACKAGING FILM FOR LITHIUM-ION BATTERY, LITHIUM-ION BATTERY, AND LITHIUM-ION BATTERY STACK

Provided are an outer packaging film for a lithium-ion battery, a lithium-ion battery, and a lithium-ion battery stack. The outer packaging film for a lithium-ion battery has a layered structure that includes a thermal adhesive layer, a metal layer, and a gas barrier layer, wherein the thermal adhesive layer, the metal layer, and the gas barrier layer are arranged in this order, and wherein the layered structure further includes a self-extinguishing layer. 1. An outer packaging film for a lithium-ion battery having a layered structure that includes a thermal adhesive layer , a metal layer , and a gas barrier layer , wherein the thermal adhesive layer , the metal layer , and the gas barrier layer are arranged in this order ,wherein the layered structure further includes a self-extinguishing layer.2. The outer packaging film for a lithium-ion battery according to claim 1 , wherein the self-extinguishing layer has at least one of: a function of trapping radicals involved in combustion claim 1 , a function of blocking a combustion supporting material claim 1 , or a function of absorbing heat and diluting a combustion supporting material.3. The outer packaging film for a lithium-ion battery according to claim 1 , wherein the self-extinguishing layer is arranged between the thermal adhesive layer and the metal layer.4. The outer packaging film for a lithium-ion battery according to claim 1 , wherein the metal layer is composed of aluminum foil or stainless steel foil.5. The outer packaging film for a lithium-ion battery according to claim 1 , wherein the layered structure further includes a toughness layer on a side opposite from a side on which the thermal adhesive layer is arranged claim 1 , relative to the metal layer.6. The outer packaging film for a lithium-ion battery according to claim 5 , wherein the toughness layer contains ultrahigh molecular weight polypropylene.7. The outer packaging film for a lithium-ion battery according to claim 1 , wherein a thickness of ...

SHEET-TYPE CELL AND METHOD FOR MANUFACTURING SAME

A sheet-type cell disclosed in this application includes an outer case and a power generation element contained in the outer case. The power generation element includes a positive electrode, a negative electrode, a separator, and an electrolyte solution. The separator is constituted by a porous resin sheet. The outer case includes a first outer case member and a second outer case member. Each outer case member includes a thermally fusible resin layer. The first outer case member and the second outer case member are disposed on respective opposite sides of the power generation element. A periphery of the first outer case member and a periphery of the second outer case member are sealed by thermally welding, with a periphery of the separator interposed between the peripheries of the first and second outer case members. 1. A sheet-type cell , comprising: a first outer case member; and', 'a second outer case member; and, 'an outer case having a thermally fusible resin layer, the outer case comprising a positive electrode proximate to the first outer case member;', 'a negative electrode proximate to the second outer case member;', 'a separator constituted by a porous resin sheet between the positive electrode and the', 'negative electrode; and', 'an electrolyte solution,, 'a power generation element provided between the first outer case member and the second outer case member, the power generation element comprisingwherein the outer case is sealed with a periphery of the separator interposed between a periphery of the first outer case member and a periphery of the second outer case member.2. The sheet-type cell according to claim 1 , further comprising:a water repellent membrane between the first outer case member and the positive electrode,wherein the outer case is sealed with the periphery of the separator and a periphery of the water repellent membrane interposed between the peripheries of the first and second outer case members.3. The sheet-type cell according to ...

ELECTRODE ASSEMBLY, SECONDARY BATTERY, BATTERY PACK AND DEVICE

Embodiments of the present disclosure relates to an electrode assembly, a secondary battery, a battery pack and a device. The electrode assembly includes: an electrode unit including an electrode body and an electrode terminal part electrically connected with the electrode body; and a first insulating film for being wound around the electrode unit, the first insulating film including a connection part and an extension part connected with each other, the connection part being provided with an adhesive area for connecting with the electrode terminal part, the extension part being a part of the first insulating film extending beyond an end face of the electrode terminal part, and at least part of the extension part being provided as a non-adhesive area. 1. An electrode assembly for a secondary battery , the electrode assembly comprising:an electrode unit comprising an electrode body and an electrode terminal part electrically connected with the electrode body;a first insulating film for being wound around the electrode unit, the first insulating film comprising a connection part and an extension part connected with each other, the connection part being provided with an adhesive area for connecting with the electrode terminal part, the extension part being a part of the first insulating film extending beyond an end face of the electrode terminal part, and at least part of the extension part being provided as a non-adhesive area; anda second insulating film for being wound around an outer peripheral surface of the electrode body, a surface of the second insulating film is provided with adhesive glue, and the second insulating film extends to an outer periphery of the electrode terminal part and does not extend beyond the end face of the electrode terminal part.2. The electrode assembly of claim 1 , wherein the connection part comprises a first portion and a second portion connected with each other claim 1 , the first portion is used to cover an outer peripheral surface ...

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY STRUCTURE, METHOD FOR PRODUCING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY STRUCTURE, AND METHOD FOR PRODUCING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

A nonaqueous electrolyte secondary battery structure includes an electrode junction body and an exterior member having a housing chamber housing the electrode junction body, the housing chamber includes no electrolytic solution, and the housing chamber is hermetically sealed, with an interior thereof being in a low humidity state is manufactured by housing the electrode junction body in the housing chamber and then hermetically sealing the housing chamber in a low humidity environment so that the electrode junction body is sealed in the housing chamber without injecting any electrolytic solution into the housing chamber so that the housing chamber includes no electrolytic solution and the housing chamber is hermetically sealed with an interior thereof being in a low humidity state. 1. A nonaqueous electrolyte secondary battery structure , comprising:an electrode junction body, andan exterior member having a housing chamber housing the electrode junction body,wherein the housing chamber includes no electrolytic solution, and the housing chamber is hermetically sealed, with an interior thereof being in a low humidity state.2. The nonaqueous electrolyte secondary battery structure according to claim 1 , wherein claim 1 ,the exterior member has a liquid injection port through which the electrolytic solution can be injected into the housing chamber, andthe liquid injection port is sealed.3. The nonaqueous electrolyte secondary battery structure according to claim 1 , whereinthe exterior member is composed of a film,an external electrode terminal penetrating the exterior member from inside to outside and connected to the electrode junction body is provided, andthe exterior member includes the housing chamber housing the electrode junction body inside, and an electrolyte introduction portion communicating with the housing chamber.4. The nonaqueous electrolyte secondary battery structure according to claim 3 , whereinthe exterior member is hermetically sealed such that an ...

BATTERY PACK

The present application provides a battery pack. The battery pack comprises a case, a cavity structure being provided in the bottom of the case; and a plurality of battery cells, the plurality of battery cells being stacked at the bottom of the case, and an end surface, facing the bottom of the case, of each of the battery cells being provided with an explosion-proof valve, wherein a structural layer, facing the explosion-proof valve, of the bottom of the case is provided with a weak area, and gas in the battery cell during thermal runaway of any battery cell may be collected via the weak area into the cavity structure and then is discharged. 1. A battery pack , comprising:a case, a cavity structure being provided in the bottom of the case; anda plurality of battery cells, the plurality of battery cells being stacked at the bottom of the case, and an end surface, facing the bottom of the case, of each of the battery cells being provided with an explosion-proof valve,wherein a structural layer, facing the explosion-proof valve, of the bottom of the case is provided with a weak area, and gas in the battery cell during thermal runaway of any battery cell may be collected via the weak area into the cavity structure and then is discharged.2. The battery pack according to claim 1 , wherein the case comprises:a bottom cavity, the bottom cavity comprising an upper plate and a lower plate,wherein the upper plate and the lower plate are spaced apart in a height direction of the case, and form the cavity structure, the end surface, facing the upper plate, of each of the battery cells is provided with the explosion-proof valve, and the structural layer, facing the explosion-proof valve, of the upper plate is provided with the weak area; anda plurality of supporting plates, arranged at intervals between the upper plate and the lower plate.3. The battery pack according to claim 2 , wherein a first flow channel is formed between the adjacent supporting plates claim 2 , and gas ...

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.

Contact plate including at least one bonding connector configured to establish electrical bonds to terminals of at least one group of battery cells in a battery module

Embodiments are directed to contact plates configured to establish electrical bonds between battery cells in a battery module. In a first embodiment, the contact plate includes at least one primary conductive layer including a hole that is aligned with two or more terminals of two or more battery cells in a group of battery cells that are configured to be connected in parallel with each other, and a bonding connector configured to provide direct electrical bonds between the contact plate and the two or more terminals of the two or more battery cells. In a second embodiment, a contact plate includes at least one primary conductive layer and a set of bonding connectors made from at least one material that is selected to match at least one material used for the terminals of the at least one group of battery cells.

LITHIUM-ION BATTERY STACK

A lithium-ion battery stack that is a layered body includes: a plurality of lithium-ion batteries layered directly or with other layers therebetween; and one or more self-extinguishing layers. 1. A lithium-ion battery stack that is a layered body including: a plurality of lithium-ion batteries layered directly or with other layers therebetween; and one or more self-extinguishing layers.2. The lithium-ion battery stack according to claim 1 , wherein at least one of the one or more self-extinguishing layers is arranged between two adjacent lithium-ion batteries in the plurality of lithium-ion batteries.3. The lithium-ion battery stack according to claim 1 , wherein at least one of the one or more self-extinguishing layers has at least one of: a function of trapping radicals involved in combustion claim 1 , a function of blocking a combustion supporting material claim 1 , or a function of absorbing heat and diluting a combustion supporting material.4. The lithium-ion battery stack according to claim 1 , wherein at least one of the one or more self-extinguishing layers has a shape retention property.5. The lithium-ion battery stack according to claim 1 , wherein at least one of the one or more self-extinguishing layers has an adhesive property.6. The lithium-ion battery stack according to claim 1 , wherein:at least one of the one or more self-extinguishing layers is arranged between two adjacent lithium-ion batteries in the plurality of lithium-ion batteries, andthe layered body further includes an adhesive layer between at least one of the two adjacent lithium-ion batteries and a self-extinguishing layer arranged between the two adjacent lithium-ion batteries.7. The lithium-ion battery stack according to claim 1 , wherein:at least one of the one or more self-extinguishing layers is arranged between two adjacent lithium-ion batteries in the plurality of lithium-ion batteries, andthe layered body further includes a vibration-absorbing layer between at least one of the ...

Hybrid contact plate arrangement configured to establish electrical bonds to battery cells in a battery module

An embodiment is directed to a hybrid contact plate arrangement in a battery module that includes a plurality of contact plates configured to be arranged on a given side of a set of battery cells in the battery module, at least one insulation layer configured to provide insulation between each of the plurality of contact plates, wherein the set of battery cells includes a plurality of groups of battery cells, and wherein the plurality of contact plates each include a set of bonding connectors, the sets of bonding connectors being configured to connect to the positive and negative terminals of the plurality of groups of battery cells so as to connect battery cells in each of the plurality of groups of battery cells in parallel with each other, and to connect the plurality of groups of battery cells in series with each other.

Secondary battery

A secondary battery includes a reverse plate formed using a conductive material and provided in a case, and a fixing member formed using an elastically deformable material and joined to the reverse plate. When an internal pressure in the case is increased, the reverse plate deforms in response to the internal pressure, to thereby electrically connect a positive electrode terminal and a negative electrode terminal. With the increase in the internal pressure, the fixing member elastically deforms from a state where it is inserted into the through hole, exits the through hole and is fixed between the reverse plate and the case. The reverse plate in the deformed state is supported by the fixed fixing member.