OXYHALID CONTAINING ELECTRO-CHEMICAL HIGH TEMPERATURE CELLS

SECONDARY BATTERY WITH HIGH-STRENGTH BATTERY CASE

OUTER HOUSING OF A BATTERY AND ITS ASSEMBLY METHOD

PACKAGING MATERIAL FOR HERMETICALLY SEALED BATTERIES

A flexible laminate for packaging a polymer electrolytic cell or battery, comprising: a first metallic foil layer; a second metallic foil layer; an intermediate separation layer disposed between the first and second metallic foil layers, the intermediate separation layer establishing a predetermined spacing between the first layer metallic foil and the second metallic foil layer; a first layer formed of a first self-sealing polymer on the first metallic foil layer.

SECONDARY BATTERY HAVING AN IMPROVED SAFETY

Disclosed is a secondary battery. The secondary battery includes a battery can serving as a positive electrode terminal or a negative electrode terminal of the secondary battery, an electrically conductive substrate provided at an outer portion of the battery can, and a nonconductive film interposed between the battery can and the electrically conductive substrate in order to insulate the electrically conductive substrate from the battery can, wherein the electrically conductive substrate is electrically connected to an electrode terminal having polarity opposite to that of the battery can. Safety of the secondary battery is ensured even if the secondary battery is subject to external parameters, such as penetration of a sharp tool (e.g. a nail or a drill tip), pressing force of a tool (e.g. a nipper), external impact, and exposure to the high temperature.

Packing material for lithium battery and method for manufacturing the same

This invention provides a packing material for a lithium battery, comprising a base material layer, and a first adhesive layer, an aluminum foil layer, a coating layer, an adhesive resin layer or a second adhesive layer, and a sealant layer stacked in that order on one side of the base material layer. The coating layer has a multilayer structure comprising a layer (A) comprising 100 parts by mass of a rare earth element oxide, 1 to 100 parts by mass of phosphoric acid or a salt of phosphoric acid added to the rare earth element oxide, and a layer (X) containing an anionic polymer and a crosslinking agent which can crosslink the anionic polymer.

Clad material and method of manufacturing the material

An assembly structure of a soft-pack battery

Safety mechanism for rectnagular battery and method of manufacturing the same

Alkaline battery

Non-aqueous secondary battery separator and method for non-aqueous secondary battery

Secondary battery employing battery case of high strength

Power storage unit and electronic apparatus including the same

Negative electrode active material for nonaqueous electrolyte battery, nonaqueous electrolyte battery, battery pack, and vehicle

BATTERY CASE AND MODULAR BATTERY SYSTEM

ELECTROCHEMICAL ACCUMULATOR OUTPUT TERMINAL WITH HOUSING AND ALUMINUM ALLOY, PACK BATTERY AND METHOD OF PRODUCTION THEREOF

LIMIT ELECTRIC CONNECTION FOR CELL OF STORAGE Of Electrical energy

LITHIUM SECONDARY BATTERY HAVING IMPROVED COMMUNICATIONS SYSTEM BY A BREAKER DEVICE INTEGRATED

ELECTROCHEMICAL ACCUMULATOR LI-ION OF LESS WEIGHT

L'invention concerne un accumulateur électrochimique (A) comprenant au moins une cellule électrochimique (C1) constituée d'une anode (3) et d'une cathode (2) de part et d'autre d'un électrolyte (1), deux collecteurs de courant dont l'un est relié à l'anode et l'autre à la cathode, et un emballage (6) agencé pour contenir la (les) cellule (s) électrochimique avec étanchéité tout en étant traversé par une partie des collecteurs de courant formant les pôles (40, 50). Selon l'invention, l'emballage (6) comporte : - une partie métallique (6.1) comprenant deux zones solidarisées (6.10, 6.11) entre elles par soudure métallique, - une partie (6.2) à base de polymère durci solidarisée à la partie métallique.

Battery Cell Including Pouch-type Cell and Transformed to Prismatic Shape

Secondary Battery Having Zigzag-shaped Sealing Part

SECONDARY BATTERY

Non-aqueous secondary battery and portable apparatus using this

수지 금속 복합 실 용기 및 그의 제조 방법

... 제1 금속박의 단부와 제2 금속박의 단부의 사이에 히트 실용 수지를 사용한 히트 실부와, 제1 금속박 및 제2 금속박의 히트 실부의 외측의 단면에 용접 비드에 의한 금속 밀봉부를 가지는 것을 특징으로 하는 수지 금속 복합 실 용기. 금속박을 구성하는 금속의 융점이 히트 실용 수지의 열분해 온도보다 300℃ 이상 높고, 금속박을 구성하는 금속의 비중이 5 이상이며, 용접 비드가 레이저 용접에 의하여 형성되는 수지 금속 복합 실 용기. 적어도 편면에 히트 실용 수지를 라미네이트한 금속박의 단부를 히트 실에 의하여 밀봉하여 용기를 형성하고, 상기 용기의 히트 실부의 외측에 추가적으로 금속박의 단면측으로부터 가열 용접하고, 상기 금속박의 단면에 용접 비드에 의한 금속 밀봉부를 형성하는 수지 금속 복합 실 용기의 제조 방법.

ANODE AND BATTERY

BATTERY CAN AND METHOD FOR MANUFACTURING SAME

Disclosed is a battery can which enables to realize a highly reliable battery having excellent high-rate discharge characteristics by securing a stable and good contact state with an electrode. Specifically disclosed is an open battery can which has a cylindrical side portion and a bottom portion while being made of a steel sheet. The steel sheet has an Ni-Fe alloy layer on the inner surface side of the battery can, and this Ni-Fe alloy layer has an oxide layer containing iron and having a thickness of 10-50 nm on the inner surface side of the battery can. © KIPO & WIPO 2008 ...

BATTERY CELL COMPRISING A CLICK SPRING RANGE WHICH IS INTEGRATED IN A HOUSING COVER PLATE

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

A sealed nonaqueous electrolyte secondary battery having a case which is deformed when the inner pressure is increased is characterized in that a material capable of occluding and releasing lithium is used as a negative electrode material, and a mixture of a lithium transition metal composite oxide containing Ni and Mn as transition metals and having a layered structure and a lithium cobaltate is used as a positive electrode material. © KIPO & WIPO 2007 ...

NON-AQUEOUS SECONDARY BATTERY AND PORTABLE APPARATUS USING THIS

A non-aqueous secondary battery comprising a positive electrode (1), a negative electrode (2) and a non- aqueous electrolyte, wherein the non-aqueous electrolyte contains a compound (A) formed by bonding a benzene ring with a halogen radical and a compound (B) to be oxidized at a potential lower than that for the compound (A), and the compound (B) is at least one kind of compound selected from an aromatic compound and a heterocyclic compound, thereby providing a non-aqueous secondary battery that ensures an excellent over- charge safety and a storing reliability with gas hardly produced when stored at high temperature. © KIPO & WIPO 2007 ...

BATTERY PACK CLOSELY ADHERED WITH THE JOINT OF A CASE

PURPOSE: A battery pack is provided to prevent molding failure generated in the molding progress in order to closely adhere the joint of the case formed to surround the bare cell. CONSTITUTION: A battery pack includes a bare cell; a protecting circuit board electrically connected to the bare cell; and a case(500) formed in order to surround the bare cell and having the bent joint. The case contacts with one side lateral part of the bare cell; contacts the other lateral side part of the first case including the first engaging part and the bare cell; and comprises the second case including the second engaging part combined with the first engaging part. The bending of the second engaging part and the first engaging portion is correspond to each other. © KIPO 2009 ...

SURFACE TREATED STEEL PLATE FOR BATTERY CASES, ITS MANUFACTURING METHOD, BATTERY CASE FORMED USING THE STEEL PLATE, BATTERY USING THE BATTERY CASE

A surface treated steel plate for battery cases having an improved electrical contact with the battery positive electrode active material, its manufacturing method, a battery case, and a battery are disclosed. The surface treated steel plate has a graphite-dispersed nickel plating layer in which graphite is dispersed or a graphite-dispersed nickel alloy plating layer at least on the inner surface of a battery case. The alloy plating layer is preferably made of a nickel-cobalt alloy, a nickel- cobalt-iron alloy, a nickel-manganese alloy, a nickel-phosphorus alloy, or a nickel-bismuth alloy. The battery case is produced by forming the surface treated steel plate by drawing, DI, or DTR. The battery uses the battery case. © KIPO & WIPO 2007 ...

전지용 포장 재료

... 절연성이 높은 전지용 포장 재료를 제공한다. 전지용 포장 재료는, 적어도, 기재층과, 금속층과, 절연층과, 실란트층이 이 순서로 적층된 적층체를 포함한다. 절연층은, 나노인덴터를 사용하여, 적층체의 적층 방향에 있어서의 단면으로부터 절연층에 대하여 압자를 5㎛ 압입하여 측정되는 경도가 10MPa 내지 300MPa의 범위에 있다.

SECONDARY BATTTERY WITH HIGH STRENGTH AND IMPACT RESISTANCE HAVING A LIGHT CASE

PURPOSE: A secondary battery is provided to enhance resistance to external impact and sealing efficiency and to realize light weight. CONSTITUTION: A secondary battery(100) comprises: an electrode assembly(10) including a first electrode plate(11), a second electrode plate(12), and a separator(13) interposed between the first and second electrode plates; and a battery case(20) accommodating the electrode assembly. The battery case includes a first part(30), a second part(40), and an adhesive layer(50) contacting the surface of the first part and the surface of the second part. The adhesive layer is successive between the first and second parts. COPYRIGHT KIPO 2012 ...

비수계 전지용 전극 리드선 부재

... 본 발명은 알루미늄 박과 수지 필름의 라미네이트 필름 적층체를 외장재로 사용하여 이루어지는 비수계 전지용 수납 용기로부터 인출되는 전극 리드선 부재(18)에 관한 것이다. 전극 리드선 부재(18)는 금속제 도출부(21)를 구비하고, 도출부(21) 위에는 불화 금속 또는 그 유도체와 수산기를 함유하는 수지 또는 그 공중합 수지로 이루어지는 박막 코팅층(22)과, 실란트층(23)이 순서대로 적층된다. 실란트층(23)은 도출부(21)의 표면 위에 열접착되어 있고, 또한 적어도 실란트층(23)의 도출부(21)와의 계면측 부분에 에폭시 관능기를 갖는 열접착성 폴리올레핀 수지를 함유한다.

THIN FILM ENCAPSULATION FOR THIN FILM BATTERIES AND OTHER DEVICES

An electrochemical device is claimed and disclosed, including a method of manufacturing the same, comprising an environmentally sensitive material, such as, for example, a lithium anode; and a plurality of alternating thin metallic and ceramic, blocking sub-layers. The multiple metallic and ceramic, blocking sub-layers encapsulate the environmentally sensitive material. The device may include a stress modulating layer, such as for example, a Lipon layer between the environmentally sensitive material and the encapsulation layer.

ENERGY STORAGE MODULE AND POWER TOOL COMPRISING AT LEAST ONE ENERGY STORAGE MODULE

The invention is based on an energy storage module (10), in particular a battery pack for supplying power to a power tool, comprising at least one cell (12) for energy storage. It is proposed that the cell (12) be configured prismatically. The invention further relates to a power tool comprising at least one such energy storage module (10).

INTEGRATED MODULE CONNECTION FOR HEV BATTERY

The present invention in one embodiment provides a battery module system including a plurality of battery cells in which each battery cell of the plurality of battery cells has an extruded body and comprising a positive terminal and a negative terminal, wherein at least one of the positive terminal and the negative terminal are insulated from the extruded body. In another embodiment, the battery cell body is provided by a stamping operation.

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.

BATTERY CELL AND CELL GROUP IN A BATTERY

The invention relates to battery cells (2) of a battery, in particular of a lithium-ion battery, said cells (2) having a longitudinal axis and a thermally conductive jacket (7) that extends in the longitudinal direction and encases the cell (2). The invention also relates to a cell block or cell group (1) consisting of battery cells (2) of this type, said block or group being placed in the battery housing of a battery, in particular a vehicle battery, especially a battery for a vehicle with a hybrid drive or a fuel-cell vehicle, in particular a high-voltage battery. The aim of the invention is to provide battery cells (2) and a corresponding cell group (1), which is cost-effective to produce and is compact for installation in a battery housing. To achieve this, the jacket (7) of the cells (2) is a sleeve, the wall thickness of which varies around its circumference.

STRUCTURE FOR A METAL-AIR BATTERY CELL HAVING A BRASS CASING ELEMENT

A leak proof casing for a battery cell having an anode casing element made at least partially of brass and having features for improving the strength of the casing element.

STRUCTURE FOR A METAL-AIR BATTERY CELL HAVING A BRASS CASING ELEMENT

A leak proof casing for a battery cell having an anode casing element made at least partially of brass and having features for improving the strength of the casing element.

BATTERY

A battery where a power-generating element is received in a battery case. The battery case is constructed from a flexible sheet, and at least a part of the power-generating element is covered by a covering member. This makes the inner surface of the flexible sheet less susceptible to damage.

PACKAGING MATERIAL FOR HERMETICALLY SEALED BATTERIES

A flexible laminate for packaging a polymer electrolytic cell or battery, comprising: a first metallic foil layer; a second metallic foil layer; an intermediate separation layer disposed between the first and second metallic foil layers, the intermediate separation layer establishing a predetermined spacing between the first layer metallic foil and the second metallic foil layer; a first layer formed of a first self-sealing polymer on the first metallic foil layer.

DEVICE AND METHOD FOR THE FRICTION-STIR WELDING OF AN ASSEMBLY FOR STORING ELECTRICITY

SURFACE TREATED STEEL PLATE FOR BATTERY CASES, ITS MANUFACTURING METHOD, BATTERY CASE FORMED USING THE STEEL PLATE, BATTERY USING THE BATTERY CASE

A surface treated steel plate for battery cases having an improved electrical contact with the battery positive electrode active material, its manufacturing method, a battery case, and a battery are disclosed. The surface treated steel plate has a graphite-dispersed nickel plating layer in which graphite is dispersed or a graphite-dispersed nickel alloy plating layer at least on the inner surface of a battery case. The alloy plating layer is preferably of a nickel-cobalt alloy, a nickel-cobalt-iron alloy, a nickel-manganese alloy, a nickel-phosphorus alloy, or a nickel-bismuth alloy. The battery case is produced by forming the surface treated steel plate by drawing, DI, or DTR. The battery uses the battery case.

THIN FILM ENCAPSULATION FOR THIN FILM BATTERIES AND OTHER DEVICES

SECONDARY BATTERY

PROBLEM TO BE SOLVED: To provide a secondary battery which is manufactured easily and is new and improved. SOLUTION: The secondary battery includes: a case; an electrode assembly which is housed in the case and includes a first electrode, a second electrode, a separator interposed between the first electrode and the second electrode, and with the first electrode, a solid portion in which a first active material is not coated; a cap assembly which is connected to the case and includes a terminal to be connected electrically with the electrode assembly; a first conductive plate; a safety assembly which is extended from the first conductive plate and includes a first support projection to be connected to the solid portion; a current collection tap which electrically connects the electrode assembly and the terminal and is connected to the solid portion; and a first auxiliary plate which is connected to the solid portion on the face on opposite side to the side where the first support projection ...

INTEGRATED INTERRUPTION OF CIRCUIT DEVICE FOR LITHIUM ION CELLS

SECONDARY BATTERY OF THE TYPE OF BAG WITH IMPROVED SECURITY AND HONOUR PRODUCTION PROCESS CHARACTERISTIC

SYSTEM AND METHOD FOR A STABLE HIGH TEMPERATURE SECONDARY BATTERY

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

DEVICE AND METHOD FOR THE FRICTION-STIR WELDING OF AN ASSEMBLY FOR STORING ELECTRICITY

L'invention a pour objet un procédé de liaison de deux ensembles de stockage d'énergie (10), chaque ensemble de stockage d'énergie comprenant une enveloppe métallique étanche contenant, dans lequel : - on positionne, sur les faces extrêmes (24) de deux enveloppes placées côte à côte, une barrette de connexion (30), dimensionnée pour être en contact avec la face extrême de chacune des enveloppes, - on soude par friction malaxage la barrette à chacune des enveloppes.

DEVICE AND METHOD FOR THE FRICTION-STIR WELDING OF AN ASSEMBLY FOR STORING ELECTRICITY

L'invention a pour objet un procédé de liaison de deux ensembles de stockage d'énergie (10), chaque ensemble de stockage d'énergie comprenant une enveloppe métallique étanche contenant, dans lequel : - on positionne, sur les faces extrêmes (24) de deux enveloppes placées côte à côte, une barrette de connexion (30), dimensionnée pour être en contact avec la face extrême de chacune des enveloppes, - on soude par friction malaxage la barrette à chacune des enveloppes.

DEVICE AND METHOD FOR THE FRICTION-STIR WELDING OF AN ASSEMBLY FOR STORING ELECTRICITY

Lithium ion secondary battery

Adhesive composition for electrochemical element, adhesive layer for electrochemical element, and electrochemical element

Alkaline battery

Disclosed is an inside-out type alkaline battery which comprises a cylinder cathode can which has a bottom and serves as a cathode current collector. The cathode can can is provided with a nickel plating layer on the inner surface, and a coating film composed of a nickel cobalt alloy is formed on the surface layer of the nickel plating layer. The coating film composed of a nickel cobalt alloy has a thickness of 0.15-0.25 [mu]m (inclusive of two end points), and the ratio of cobalt in the alloy is 40-60% (inclusive of two end points). The alkaline battery further comprises an annular cathode mixture liquid contained in the cathode can and containing cathode active material.

Rechargeable battery

Feedthrough

The invention relates to a feedthrough, in particular through a housing part of a housing, in particular a battery housing, preferably made of a metal, in particular of a light alloy, preferably aluminum, an aluminum alloy, AlSiC, magnesium, a magnesium alloy, titanium, a titanium alloy, steel, stainless steel or high-grade steel, wherein the housing part has at least one opening through which at least one conductor having a cross-section is guided in a glass or glass ceramic material. The feedthrough is characterized in that the conductor comprises at least two sections, a first section having a first substantially round, in particular circular, cross-section having a diameter ID in the region of the feedthrough through the glass or glass ceramic material, and a second section having a second substantially non-round, in particular a substantially rectangular cross-section, and the conductor is formed in one piece.

Battery and manufacturing method thereof

Rechargeable battery

Non-aqueous electrolyte secondary battery and combined battery

The battery housing for the aluminum alloy plate and manufacturing method thereof

PROTECTING AN ELECTRICAL ENERGY STORAGE DEVICE

L'invention concerne la protection d'un dispositif d'accumulation d'énergie électrique contre des agressions électromagnétiques. Le dispositif d'accumulation d'énergie électrique (10) comprend un boitier (12) en matériau conducteur de l'électricité, au moins une cellule de stockage d'énergie électrique disposée dans le boitier (12) et deux bornes (14, 16) disposées en traversée du boitier (12), les bornes (14, 16) étant isolées électriquement du boitier (12), les bornes (14, 16) permettant un transfert d'énergie électrique entre l'au moins une cellule de stockage et l'extérieur du dispositif (10). Selon l'invention, le dispositif (10) comprend en outre, à l'intérieur du boitier (12), une impédance (Z1, Z2), configurée pour dissiper l'énergie d'une perturbation électromagnétique tendant à pénétrer dans le boitier (12) par au moins une des bornes (14, 16).

ELECTRIC TERMINAL FOR TIGHT ACCUMULATOR.

Un terminal pour accumulateur étanche comprend un corps de pièce en aluminium avec au moins une zone étamée (36, 37) pour brasage à une carte électronique et au moins une zone non étamée (26, 27) pour connexion à une borne de sortie de courant de l'accumulateur. Le terminal électrique présente un encombrement limité, se soude bien sur un conteneur d'accumulateur en aluminium et permet un assemblage facile avec une carte électronique par brasage sans risque de migration d'étain pouvant causer un court circuit.

PROTECTING AN ELECTRICAL ENERGY STORAGE DEVICE

L'invention concerne la protection d'un dispositif d'accumulation d'énergie électrique contre des agressions électromagnétiques. Le dispositif d'accumulation d'énergie électrique (10) comprend un boitier (12) en matériau conducteur de l'électricité, au moins une cellule de stockage d'énergie électrique disposée dans le boitier (12) et deux bornes (14, 16) disposées en traversée du boitier (12), les bornes (14, 16) étant isolées électriquement du boitier (12), les bornes (14, 16) permettant un transfert d'énergie électrique entre l'au moins une cellule de stockage et l'extérieur du dispositif (10). Selon l'invention, le dispositif (10) comprend en outre, à l'intérieur du boitier (12), une première impédance (Z1, Z2), reliant une première des bornes (14, 16) au boitier (12), la première impédance (Z1, Z2) formant un filtre de type passe haut configuré pour évacuer vers le boitier (12) une perturbation électromagnétique tendant à se propager par la première borne (14, 16).

LITHIUM SECONDARY BATTERY

According to Claim 17,

BATTERY CAN AND METHOD FOR MANUFACTURING THE SAME

Battery Cell of Improved Safety

SECONDARY BATTERY COMPRISING CASING HAVING INSULATING LAYER ON SURFACE, AND METHOD FOR MANUFACTURING THE SAME

PURPOSE: Provided is a secondary battery, which ensures electric insulation quality in a battery casing, and thus prevents generation of a short circuit and electric current leakage. CONSTITUTION: The secondary battery(30) comprises: an electrode assembly having a separator and a cathode plate and an anode platedisposed on both surfaces of the separator; and a casing(14) for housing the electrode assembly, which has an insulating layer(142,143) on the surface thereof. The insulating layer includes an anodized coating layer having a thickness of 30-100 micrometer. The insulating layer may be formed on the outer surface of the casing. © KIPO 2006 ...

연소에 대해 개선된 안전성을 갖는 LI-이온 배터리

... 본 발명은, 전기화학적 활성 영역 및 그를 위한 인클로저(enclosure)를 갖는 Li-이온 배터리를 변경하는 단계를 포함하는 방법을 제공하며, 상기 방법은 상기 전기화학적 활성 영역으로부터 분리된 적어도 하나의 챔버를 상기 인클로저 내에 형성하는 단계와, 상기 챔버 내에 연소 약화제(combustion abatement agent)를 위치시키고, 이로써 상기 연소 약화제가 상기 전기화학적 활성 영역과 접촉하지 않게 하는 단계를 포함하며; 상기 챔버는 감압성 또는 감열성이고, 이로써 상기 전기화학적 활성 영역이 과열될 때 상기 챔버가 파손되어, 상기 연소 약화제가 상기 전기화학적 활성 영역과 접촉하게 하여 상기 전기화학적 활성 영역의 연소를 약화시키고, 연소 약화제의 예는 액체 플루오로폴리에테르를 포함하는 조성물이고, 감압성 또는 감열성을 나타내는 챔버의 예는 챔버의 구성 재료에 저융점, 불연성 중합체, 예를 들어 폴리비닐 알코올을 포함하는 것이다.

전지 외장용 스테인리스 박 및 그 제조방법

... 코로나 방전과 같은 특수 처리를 하지 않고도, 냉열 충격 후 및 전해액 침지 후의 수지와의 밀착성이 우수한 전지 외장용 스테인리스 박을 제공한다. 전지 외장용 스테인리스 박(1)은 수산화물로서 존재하는 금속 원소를 35mol% 이상, SiO2를 40mol% 이하 함유하고, 두께가 2nm 이상인 산화 피막(1a)을 가지며, 압연 방향에 직교하는 방향의 산술평균거칠기(Ra)가 0.02μm 이상 0.1μm 미만이다.

ELECTRODE ASSEMBLY AND A SECONDARY BATTERY INCLUDING THE SAME CAPABLE OF MINIMIZING CORROSION RISK OR SHORT RISK GENERATED BETWEEN A CASE AND THE ELECTRODE ASSEMBLY

PURPOSE: An electrode assembly and a secondary battery including the same are provided to reduce thickness by not forming unnecessary active material layers and increase strength of the case. CONSTITUTION: An electrode assembly(100) comprises a negative electrode current collector(111), a first negative electrode active material layer formed on a first surface of the negative electrode current collector(112), a negative plate consisting of a second negative active material layer formed on a second surface, a positive electrode plate consisting of a positive electrode current collector(121), a first positive electrode active material layer(122) formed on the second surface, and a separator(130) placed between the negative plate and the positive plate. The negative electrode plate is place at the outermost when the negative electrode plate, the positive electrode plate, and the separator are reeled. COPYRIGHT KIPO 2012 ...

GALVANIC ELEMENT HAVING FILM SEAL

NICKEL-HYDROGEN ACCUMULATOR BATTERY

There is provided a nickel-hydrogen accumulator battery capable of suppressing increase of discharge reserve of a negative electrode and suppressing lowering of the battery characteristic. The nickel-hydrogen accumulator battery (100) includes a battery main body (plate group 150, electrolyte, etc.) a case (102) containing the battery main body, and a safety valve device (101) having an excessive pressure preventing function for preventing excessive increase of the internal pressure in the case (102) by discharging the gas from the case (102) when the internal pressure of the case (102) exceeds a predetermined value. The safety valve device (101) includes a valve member (110) having a convex wall portion (118) forming an in-valve space C communicating with a gas discharge hole (122). In addition to the excessive pressure preventing function, the safety valve device (101) has a hydrogen leak out function for discharging hydrogen in the case (102) out of the battery via the in-valve space ...

성형성, 방열성 및 용접성이 우수한 전지 케이스용 알루미늄 합금판

... 대형 리튬 이온 전지 용기에 적용 가능한 방열 특성을 갖고 있고, 또한 성형성, 형상 동결성도 우수하고, 또한 레이저 용접성도 우수한 3000계 알루미늄 합금판을 제공한다. Fe:0.05∼0.3질량％ 미만, Mn:0.6∼1.5질량％, Si:0.05∼0.6질량％를 함유하고, 잔량부 Al 및 불순물을 포함하고, 불순물로서의 Cu가 0.35질량％ 미만, Mg이 0.05질량％ 미만인 성분 조성을 갖고, 도전율 45％ IACS를 초과하고, 0.2％ 내력이 40∼60㎫ 미만이고, 20％ 이상의 연신율값을 나타내는 냉연 어닐링재인 알루미늄 합금판. 또는 도전율 45％ IACS를 초과하고, 0.2％ 내력이 60∼150㎫ 미만이고, 3％ 이상의 연신율값을 나타내는 냉간 압연재인 알루미늄 합금판. 도전율을 높이기 위해, Co:0.001∼0.5질량％, Nb:0.005∼0.05질량％, V:0.005∼0.05질량％ 중 1종 또는 2종 이상을 더 함유해도 된다.

ELECTRODE ASSEMBLY CONTAINING AN ELECTROCONDUCTIVE PLATE AND A SECONDARY BATTERY COMPRISING THE SAME

PURPOSE: An electrode assembly and a secondary battery comprising the same are provided to prevent explosion and firing caused by compression or damage from external shock and to improve stability and reliability of the secondary battery. CONSTITUTION: An electrode assembly(1000) comprises a jelly roll type electrode assembly(200); a can accommodating the electrode assembly through an opening(101); a cap assembly(300) covering the opening of can; and an electric conductive plate(400) at a inner circumferential portion of the electrode assembly. The electrode assembly includes a first electrode plate(210), a second electrode plate(220), and a separator(230) positioned between the first and second electrode plates. COPYRIGHT KIPO 2010 ...

ELECTROCHEMICAL ENERGY SOURCE, AND METHOD FOR MANUFACTURING SUCH AN ELECTROCHEMICAL ENERGY SOURCE

The invention relates to an electrochemical energy source, comprising: a substrate, and at least one stack deposited onto said substrate, the stack comprising: an anode, a cathode, and an intermediate solid-state electrolyte separating said anode and said cathode; and at least one electron-conductive barrier layer being deposited between the substrate and the anode, which barrier layer is adapted to at least substantially preclude diffusion of active species of the stack into said substrate. The invention further relates to a method for manufacturing such an electrochemical energy source, comprising the steps of: A) depositing at least one electron-conductive barrier layer onto the substrate, and B) depositing at least one stack of an anode, an solid-state electrolyte, and a cathode successively onto said electron- conductive barrier layer.

ALKALINE ELECTROCHEMICAL CELL WITH REDUCED GASSING

Electrochemical cells including a casing or cup for direct electrical contact with a negative electrode or counter electrode and serving as the current collector for the electrode. The casing includes a substrate having a plated coating of an alloy including copper, tin and zinc, the coating having a composition gradient between the substrate and the external surface of the coating wherein the copper content is greater adjacent the substrate than at the external surface of the coating and the tin content is greater at the external surface of the coating than adjacent the substrate. Methods for forming a coated casing and an electrochemical cell including a coated casing are disclosed, preferably including providing an electrode casing with a coating utilizing variable current density plating that reduces discoloration of a surface exposed to the ambient atmosphere.

BATTERY CELL COMPRISING AN INTEGRATED INSULATING FRAME

The invention relates to a battery cell, in particular a lithium ion battery cell, in which a wrapping element, two current collectors and one electrolyte are accommodated in a metallic housing. In order to protect the wrapping element (3) and the current collectors (7, 9) mounted thereon from undesired electrical contact with the housing, said components are surrounded on three sides by an insulating frame (23) which has an integral embodiment. Side walls (27) of the insulating frame (23) can thereby be pivoted in relation to a bottom (25) of the insulating frame (23) via folding hinges (29), such that the wrapping element (3) and the current collectors (7, 9) at first can be arranged in the opened state on the bottom (25) and then side walls (27) can be folded up and fastened to the current collectors (7, 9) by means of barbed nails (31). The insulating frame can be produced in a sample manner by means of an injection molding process.

ELECTROCHEMICAL CELL WITH POSITIVE CONTAINER

An electrochemical cell, particularly an electrochemical cell having a container with a positive polarity. In one embodiment, the cell is a primary cell that includes an electrode assembly having a lithium negative electrode and a positive electrode, preferably comprising iron disulfide. The cell is provided with a spiral wound electrode assembly with a portion of the positive electrode contacting the container. The positive electrode current collector contacts the container in one embodiment. The negative electrode includes an electrically conductive member that electrically contacts a cover of the cell and provides the cover with a negative polarity. In a preferred embodiment, the electrically conductive member makes pressure contact with a portion of the cell cover. A method of manufacturing such a cell is also provided.

COMPACT BATTERY AND PRODUCTION THEREOF

What is described are: a compact battery with a stack comprising at least two button cells with preferably identical geometry, which are connected electrically in series and each have a housing comprising two metal housing half-parts forming the positive terminal and the negative terminal of the cells and an electrically insulating seal arranged between said housing half-parts, wherein housing half-parts with opposite polarity of adjacent cells are connected to one another within the stack via at least one common weld seam and/or at least one common weld spot, as well as a method for producing such compact batteries.

RESIN-COATED STAINLESS STEEL FOIL, CONTAINER AND SECONDARY BATTERY

A resin-coated stainless steel foil that can maintain strong adherence to films even in an electrolyte solution and exhibit good corrosion resistance, excelling in processability, designability and stab resistance; and, making use of the same, a container and secondary battery. There is provided a resin-coated stainless steel foil characterized by having a chromate-treated layer of 2 to 200 nm superimposed on at least one major surface of stainless steel foil and having, superimposed on the chromate-treated layer, at least a layer of polyolefin resin (A) containing a polar functional group. Further, there are provided, making use of the same, a container and secondary battery.

CONVERTER CELL WITH A CELL HOUSING, BATTERY WITH AT LEAST TWO SUCH CONVERTER CELLS, AND METHOD FOR MANUFACTURING A CONVERTER CELL

The invention relates to a converter cell (1) having: at least one electrode assembly (2) which is provided to at least temporarily make electrical energy available and which has at least two electrodes (3, 3a) of opposite polarity; at least one current conducting device (4, 4a) which is provided to be electrically connected to one of the electrodes (3, 3a) of the electrode assembly (2); and a cell housing (5) with a first housing part (6), wherein the first housing part (6) is provided to enclose the electrode assembly (2) at least in certain regions. The first housing part (6) comprises at least one functional device (8, 8a, 8b) which is provided to assist with the power supply from the electrode assembly (2) and which is effectively connected to the electrode assembly (2), and a first support element (7) which is provided to support the at least one functional device (8, 8a, 8b) and which is formed by a metal sheet.

ELECTROCHEMICAL APPARATUS WITH BARRIER LAYER PROTECTED SUBSTRATE

The present invention relates to apparatus, compositions and methods of fabricating high performance thin-film batteries on metallic substrates, polymeric substrates, or doped or undoped silicon substrates by fabricating an appropriate barrier layer composed, for example, of barrier sublayers between the substrate and the battery part of the present invention thereby separating these two parts chemically during the entire battery fabrication process as well as during any operation and storage of the electrochemical apparatus during its entire lifetime. In a preferred embodiment of the present invention thin-film batteries fabricated onto a thin, flexible stainless steel foil substrate using an appropriate barrier layer that is composed of barrier sublayers have uncompromised electrochemical performance compared to thin-film batteries fabricated onto ceramic substrates when using a 700°C post-deposition anneal process for a LiCoO2 positive cathode.

METHOD OF MANUFACTURING CLADDING FOR LAMINATED BATTERY

A method of manufacturing cladding for a laminated battery according to the present invention has, as the material thereof, an austenite stainless steel foil (32) that has a thermoplastic resin layer (30) formed on one face of the front/back faces thereof and has a lubrication film (31) formed on the other face of the front/back faces thereof. In this method, the stainless steel foil (32) is arranged so that the face on which the thermoplastic resin layer (30) is formed is opposed to a punch (42), and drawing is executed onto the stainless steel foil (32) without using lubricating oil, in a state wherein the temperature of a ring-shaped area (32a) of the stainless steel foil (32) with which a shoulder section (42d) of the punch (42) comes in contact is set to be not more than 20°C, and the temperature of an area (32b) outside the ring-shaped area (32a) is set to be not less than 40°C and not more than 100°C.

Rechargeable battery with integrated protection circuit

A rechargeable battery with an integrated protection circuit is made to have a high rigidity to withstand an external impact. The rechargeable battery comprises a case having an enclosed internal space for housing a battery cell, a circuit board having the protection circuit, the circuit board electrically connected to the case at a first end, a reinforcing member formed at the first end where the circuit board is connected, and a molding member formed at the first end of the case for encapsulating the circuit board and the reinforcing member.

SECONDARY BATTERY AND ELECTRONIC DEVICE

A secondary battery suitable for a portable information terminal or a wearable device is provided. An electronic device having a novel structure which can have various forms and a secondary battery that fits the forms of the electronic device are provided. In the secondary battery, sealing is performed using a film provided with depressions or projections that ease stress on the film due to application of external force. A pattern of depressions or projections is formed on the film by pressing, e.g., embossing.

Electrochemical cell with positive container

The present invention relates to an electrochemical cell including an electrode assembly having a lithium negative electrode and a positive electrode comprising iron disulfide. An end cap closes the open end of the container, wherein said end cap includes a terminal cover that has a negative polarity, and the container has a positive polarity.

POWER SOURCE

... a formed article having two or more separate accommodating cavities; an electrode group that is formed by rolling up a laminate and is accommodated in each of the accommodating cavities, the laminate composed of a cathode and an anode, each having a current collector and mixture layers disposed on the current collector, and a separator sandwiched between the cathode and the anode; and electrolytic solution accommodated in each of the accommodating cavities, wherein the electrolytic solution, and the anode or the cathode contact the formed article.

END CAP SEAL ASSEMBLY FOR AN ELECTROCHEMICAL CELL

Pulse laser welding aluminium alloy material, and battery case

This aims to provide a pulse laser welding aluminum alloy material, which can prevent the occurrence of an abnormal portion, when an A1000-series aluminum material is welded with a pulse laser, so that a satisfactory welded portion can be homogeneously formed, and a battery case. The pulse laser welding aluminum alloy material is made of an A1000-series aluminum material, and has such a porosity generation rate of 1.5 (µm2/mm) or less in the pulse-laser welded portion as is numerically defined by dividing the porosity total area (µm2), as indicated by the product of the sectional area and the number of porosities, by the length (mm) of an observation section.

NONAQUEOUS ELECTROLYTE BATTERY

PROBLEM TO BE SOLVED: To provide a battery having a terminal capable of securing safety in process of assembly of a battery pack, and of preventing deterioration of the battery even if insulation between the terminal and a battery case is insufficient by solving a problem where a short circuit is erroneously caused when the battery pack is manufactured by connecting the batteries in series to or in parallel with one another and a problem where a short circuit occurs in use over a long time. SOLUTION: In this nonaqueous electrolyte battery wherein metallic positive/negative electrode terminals are respectively sealed and fixed in the battery case containing aluminum, the negative electrode terminal is insulated from the battery case, and the positive electrode terminal is connected to the battery case through resistance of 1 Ω to 1 MΩ. In addition, in the nonaqueous electrolyte battery wherein metallic positive/negative electrode terminals are respectively sealed and fixed in the battery ...

MOLTEN SALT BATTERY

PROBLEM TO BE SOLVED: To provide a molten salt battery which can start up in a short time and is high in safety. SOLUTION: A molten salt used as an electrolyte in the molten salt battery is a mixed salt of a salt composed of FSA ions or like other ions expressed by [R1-SO2 -N-SO2 -R2]- as anions and Na ions as cations and a salt composed of ions of other alkaline metal or alkaline earth metal as cations. The active material of a cathode 1 is a metal oxide expressed by Nax M1y M21-yO2 (where, M1=Fe or Ni, M2=Mn or Ti, and 0 Подробнее

WATER-FREE ELECTRO-CHEMICAL CELLS

SEALED STORAGE BATTERY

A sealed storage battery that is easy to produce, has a low short circuit risk, and has an improved total energy density is provided. A battery includes a first metal sheet having a recessed portion, the recessed portion having a flange portion at its periphery, a multilayer electrode assembly housed in the recessed portion, and a second metal sheet covering the flange portion and the recessed portion. The first metal sheet and the second metal sheet also serve as electrodes. The flange portion is joined to the second metal sheet with a hot-melt resin. A joint between the flange portion and the second metal sheet is folded back toward the recessed portion. An outer edge of the flange portion folded back toward the recessed portion protrudes relative to an outer edge of the second metal sheet folded back toward the recessed portion. 1. A sealed storage battery comprising: a first metal sheet having a recessed portion , the recessed portion having a flange portion at its periphery; a multilayer electrode assembly in the recessed portion; and a second metal sheet covering the flange portion and the recessed portion ,wherein the first metal sheet and the second metal sheet also serve as electrodes, the flange portion is joined to the second metal sheet with a hot-melt resin,a joint between the flange portion and the second metal sheet is folded back toward the recessed portion, andan outer edge of the flange portion folded back toward the recessed portion protrudes relative to an outer edge of the second metal sheet folded back toward the recessed portion.2. The sealed storage battery according to claim 1 , wherein the outer edge of the flange portion protruding relative to the outer edge of the second metal sheet is provided with the hot-melt resin.3. The sealed storage battery according to claim 1 , wherein the joint between the flange portion and the second metal sheet is folded back along a recessed portion for folding back. The present invention relates to a sealed ...

SECONDARY BATTERY

A secondary battery of the present invention includes a battery element that includes a positive electrode and a negative electrode, a plurality of metal terminals that are connected to the positive electrode and the negative electrode, the metal terminals each having an outer peripheral surface provided with a resin film, and includes a lamination of at least a metal foil layer and a heat-sealable resin layer made of a polyolefin resin. A first package sealed portion, a second package sealed portion and a film sealed portion are each formed by pressing and heat sealing so as to have a thickness smaller than that of the peripheral region. The film sealed portion has a specific heat of fusion measured according to JIS K 7122 greater than that of a portion of the resin film other than the film sealed portion. 1. A secondary battery comprising:a battery element that includes a positive electrode and a negative electrode;a plurality of metal terminals that are respectively connected to the positive electrode and the negative electrode, the metal terminals each having an outer peripheral surface provided with a resin film;a first packaging material and a second packaging material each of which includes a lamination of at least a metal foil layer and a heat-sealable resin layer made of a polyolefin resin, the first packaging material and the second packaging material sandwiching the battery element therebetween so that the heat-sealable resin layer is located inside;a first package sealed portion that is formed in the first packaging material so as to be smaller in thickness than in a first peripheral region of the first packaging material, by sandwiching the resin film between a first edge portion of the first packaging material and a second edge portion of the second packaging material, and pressing and heat sealing the first packaging material and the second packaging material sandwiching the resin film therebetween, in a manner of clamping the first and second ...

ENERGY STORAGE APPARATUS

Provided is an energy storage apparatus which includes a first energy storage device having a first terminal which is either a positive electrode terminal or a negative electrode terminal, wherein the energy storage apparatus further includes a terminal neighboring member which is disposed adjacently to the first terminal of the first energy storage device, and the terminal neighboring member includes: a first housing portion capable of housing a first conductive member which connects the first terminal and a second terminal which a second energy storage device different from the first energy storage device has to each other; and a first lead-out portion capable of leading out a second conductive member which connects the first terminal and a third terminal which a third energy storage device different from the first energy storage device and the second energy storage device has to each other from the first housing portion. 1. An energy storage apparatus comprising:a first energy storage device including a first terminal that is either a positive electrode terminal or a negative electrode terminal; anda terminal neighboring member that is disposed adjacently to the first terminal of the first energy storage device, a first housing portion capable of housing a first conductive member that connects the first terminal and a second terminal, which a second energy storage device has, to each other; and', 'a first lead-out portion capable of leading out, from the first housing portion, a second conductive member that connects the first terminal and a third terminal, which a third energy storage device has, to each other., 'wherein the terminal neighboring member includes2. The energy storage apparatus according to claim 1 , wherein the first housing portion and the first lead-out portion are opening portions that penetrate different portions of the terminal neighboring member in different directions.3. The energy storage apparatus according to claim 1 , wherein the ...

HIGH-ENERGY-DENSITY DEFORMABLE BATTERIES

An energy storage device is disclosed that includes an axial structure with two or more rigid energy storage units and conductive flexible components separating adjacent rigid energy storage units. The rigid energy storage units include a plurality of folded layers, including an anode layer, a cathode layer, a first current collector layer, a second current collector layer, one or more separator layers, and one or more tape layers. The adjacent rigid energy storage units are produced by folding the plurality of layers one or more times onto themselves at a plurality of locations along the axial structure. The axial structure is then sealed in an aluminized casing along with an electrolyte material. The energy storage device exhibits high energy density, high foldability, and excellent electrochemical performances by virtue of the folded rigid energy storage segments connected by the flexible components. The conductive flexible component functions in a similar way as the soft marrow between vertebrae in the spine, providing excellent overall flexibility. 1. An energy storage device comprising:an axial structure including two or more rigid energy storage units including a plurality of folded layers; anda conductive flexible component separating adjacent rigid energy storage units.2. The device according to claim 1 , wherein the plurality of folded layers include an anode layer claim 1 , a cathode layer claim 1 , a first current collector layer claim 1 , a second current collector layer claim 1 , and one or more separator layers.3. The device according to claim 2 , wherein:the anode layer includes graphite;the first current collector layer is disposed over the anode layer, the first current collector layer including copper;a first separator layer is disposed between the anode layer and the cathode layer;the second current collector layer is disposed between the cathode layer and a second separator layer, wherein the second current collector layer includes aluminum; ...

BATTERY HOUSING SYSTEMS

A battery module may include a housing having a length, a width, and a height. The housing may include four sidewalls, a first open end, and a second open end opposite the first open end. The four sidewalls may extend the length of the housing. The four sidewalls may form a seamless closed channel member. A plurality of battery cells may be stacked lengthwise within the housing. A first endplate may be coupled to the first open end of the housing, and a second endplate may be coupled to the second open end of the housing. 1. A battery module comprising: 'the housing further including four sidewalls, a first open end, and a second open end opposite the first open end, the four sidewalls extending the length of the housing and forming a seamless closed channel member;', 'a housing having a length, a width, and a height,'}a plurality of battery cells stacked lengthwise within the housing;a first endplate coupled to the first open end of the housing; anda second endplate coupled to the second open end of the housing.2. The battery module of claim 1 , wherein the housing is an extruded member.3. The battery module of claim 1 , wherein the housing comprises aluminum or an aluminum alloy.4. The battery module of claim 1 , including a plurality of protrusions extending from a first sidewall and a second sidewall.5. The battery module of claim 4 , including an opening formed between two of the plurality of protrusions extending from the first sidewall.6. The battery module of claim 5 , wherein the opening is aligned with an opening in the first endplate.7. The battery module of claim 1 , wherein the length is longer than the width and the height.8. A battery module comprising:a housing having a length, a width, and a height, with the length being longer than the width and the height;the housing further including four sidewalls, a first open end, and a second open end opposite the first open end, the four sidewalls extending the length of the housing and forming a seamless ...

STAINLESS STEEL FOIL AND METHOD OF PRODUCTION OF SAME

The present invention has as its object to provide thickness 60 μm or less ultra-thin stainless steel foil which secures high thickness precision and simultaneously secures plastic deformability and good elongation at break, that is, secures good press-formability (deep drawability). The present invention solves this problem by ultra-thin stainless steel foil which has three or more crystal grains in a thickness direction, has a recrystallization rate of 90% to 100%, and has a nitrogen concentration of a surface layer of 1.0 mass % or less. For this reason, there is provided a method of production of stainless steel foil comprising rolling stainless steel sheet, then performing final annealing and making a thickness 5 μm to 60 μm, wherein a rolling reduction ratio at rolling right before final annealing is 30% or more, a temperature of final annealing after rolling is 950° C. to 1050° C. in the case of austenitic stainless steel and 850° C. to 950° C. in the case of ferritic stainless steel, and a nitrogen content in atmospheric gas in final annealing is 0.1 vol % or less, whereby ultra-thin stainless steel foil can be produced. 1. Stainless steel foil with a thickness of 5 μm to 60 μm , which has three or more crystal grains in a thickness direction , has a recrystallization rate of 90% to 100% , and has a nitrogen concentration of a surface layer of 1.0 mass % or less.2. Stainless steel foil according to claim 1 , where said thickness is 5 μm to 40 μm.3. Stainless steel foil according to claim 1 , wherein a surface roughness Rz is 100 nm or more and 1/10 or less of the thickness.4. Stainless steel foil according to claim 1 , wherein an elongation at break is 10% or more.5. Stainless steel foil according to claim 1 , wherein said stainless steel foil is ferritic stainless steel.6. Stainless steel foil according to claim 1 , wherein said stainless steel foil is austenitic stainless steel.7. Ultra-thin stainless steel foil according to claim 1 , wherein at least one ...

BATTERY

A battery includes an outer package including a laminated film including one or more resin layers, a terminal, and a melt-bonding assisting member including a thermoplastic resin and extending along the terminal. The outer package includes a melt-bonded region at which the terminal is sandwiched between the one or more resin layers. The terminal includes an inner part, a sandwiched part, and an outer part arranged in a first direction. The melt-bonding assisting member internally and externally extends in the first direction beyond contact with the outer package. 1. A battery , comprising:an outer package comprising a laminated film comprising one or more resin layers;a terminal; anda melt-bonding assisting member comprising a thermoplastic resin and extending along the terminal,wherein the outer package comprises a melt-bonded region at which the terminal is sandwiched between the one or more resin layers,wherein the terminal comprises an inner part, a sandwiched part, and an outer part arranged in a first direction, andwherein the melt-bonding assisting member internally and externally extends in the first direction beyond contact with the outer package.2. The battery according to claim 1 , wherein the melt-bonding assisting member externally extends in the first direction beyond contact with the outer package and terminates on the outer part of the terminal.3. The battery according to claim 1 , wherein the melt-bonding assisting member covers an outer circumference of the terminal.4. The battery according to claim 1 , wherein claim 1 , in a second direction perpendicular to the first direction claim 1 , the melt bonding assisting member covers end surfaces of the terminal.5. The battery according to claim 4 , wherein claim 4 , in a sectional view of the melt-bonded region along the second direction claim 4 , the melt-bonding assisting member forms triangles claim 4 , bottom sides of which are in contact with the end surfaces claim 4 , respectively. The present ...

Battery package, assembled battery, and battery device

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

LITHIUM ION BATTERY MODULE

A lithium-ion battery module includes a housing having a plurality of partitions configured to define a plurality of compartments within a housing. The battery module also includes a lithium-ion cell element provided in each of the compartments of the housing. The battery module further includes a cover coupled to the housing and configured to route electrolyte into each of the compartments. The cover is also configured to seal the compartments of the housing. 1. A lithium-ion battery module comprising:a housing having a plurality of compartments within the housing;a plurality of lithium-ion cell elements, one of the lithium-ion cell elements being provided in each of the compartments of the housing; anda cover coupled to the housing, wherein the cover is configured to seal each of the compartments of the housing; anda permeability barrier configured to block water from reaching the plurality of lithium-ion cell elements, wherein the permeability barrier comprises a plurality of metal foil pouches, wherein each metal foil pouch is disposed about a respective lithium-ion cell element, and wherein each metal foil pouch comprises an open end.2. The battery module of claim 1 , wherein the cover is configured to route electrolyte into each of the compartments claim 1 , and the open end of each metal foil pouch is configured to receive the electrolyte routed into the corresponding compartment.3. The battery module of claim 2 , wherein the cover comprises a channel having a plurality of apertures in fluid communication with each of the compartments to facilitate routing of the electrolyte into each of the compartments through the plurality of apertures.4. The battery module of claim 3 , wherein the channel is defined by an upper surface of the cover.5. The battery module of claim 1 , wherein the housing further comprises solid tubes disposed along a perimeter of the housing and configured for thermal management of one or more of the cell elements claim 1 , and the battery ...

Battery cell and battery system

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

THIN-TYPE BATTERY

A thin-type battery includes: a flat shaped electrode body formed by stacking a positive electrode and a negative electrode while interposing a separator in between; an electrolyte; and an exterior body made from a laminate film, the exterior body enclosing the electrode body and the electrolyte with ends of the exterior body being hermetically sealed by heat-sealing, wherein the exterior body includes a folded part to be folded from one surface side to another surface side of the electrode body and to extend along an edge of the electrode body, and the folded part includes resin-interposed heat-sealing portions located in regions in two ends in a direction along the edge of the electrode body and outside the electrode body, where portions of the exterior body are opposed to each other, each resin-interposed heat-sealing portion being heat-sealed by interposing a piece made from a resin. 1. A thin-type battery comprising:a flat shaped electrode body formed by stacking a positive electrode and a negative electrode while interposing a separator in between the positive electrode and the negative electrode;an electrolyte; andan exterior body made from a laminate film including a metal foil and enclosing the electrode body and the electrolyte, with ends of the exterior body being hermetically sealed by heat-sealing,the exterior body including a folded part to be folded from one surface side to another surface side of the electrode body and to extend along an edge of the electrode body, andthe folded part including resin-interposed heat-sealing portions located in regions in two ends in a direction along the edge of the electrode body and outside the electrode body where portions of the exterior body are opposed to each other,each resin-interposed heat-sealing portion being heat-sealed by interposing a heat-sealing piece made from a hot-melt synthetic resin.2. The thin-type battery according to claim 1 , whereinthe electrode body has a rectangular shape,in the exterior ...

LITHIUM OXYHALIDE ELECTROCHEMICAL CELL DESIGN FOR HIGH-RATE DISCHARGE

A novel wound electrode assembly for a lithium oxyhalide electrochemical cell is described. The electrode assembly comprises an elongate cathode of an electrochemically non-active but electrically conductive carbonaceous material disposed between an inner elongate portion and an outer elongate portion of a unitary lithium anode. That way, lithium faces the entire length of the opposed major sides of the cathode. This inner anode portion/cathode/outer anode portion configuration is rolled into a wound-shaped electrode assembly that is housed inside a cylindrically-shaped casing. A cylindrically-shaped sheet-type spring centered in the electrode assembly presses outwardly to limit axial movement of the electrode assembly. In one embodiment, all the non-active components, except for the cathode current collector which is nickel, are made of stainless-steel. This provides the cell with a low magnetic signature without adversely affecting the cell's high-rate capability. 1. An electrochemical cell , comprising:a) a casing; and i) a U-shaped anode having an anode inner portion extending to an anode inner portion distal end and an anode outer portion extending to an anode outer portion distal end, wherein the anode inner and outer portions are connected by an anode connecting portion spaced from the anode inner and outer portion distal ends;', 'ii) a cathode having opposed cathode first and second major sides extending from a cathode proximal end to a cathode distal end;', 'iii) a separator disposed intermediate the anode and the cathode to prevent direct physical contact between them; and', 'iv) a catholyte in electrochemical association with the anode and the cathode,', 'v) wherein the cathode resides inside the U-shaped anode so that the anode inner portion directly faces the cathode first side and the anode outer portion directly faces the cathode second side with the anode connecting portion facing the cathode proximal end, and', 'vi) wherein, with the anode, the ...

Secondary battery

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

SECONDARY BATTERY

A secondary battery includes: an electrode assembly; a case accommodating the electrode assembly; an electrode tab extending from the electrode assembly; a sealing part for insulating the electrode tab from the case; and an insulation film around the electrode tab and between the sealing part and the electrode assembly. 1. A secondary battery comprising:an electrode assembly;a case accommodating the electrode assembly;an electrode tab extending from the electrode assembly;a sealing part for insulating the electrode tab from the case; andan insulation film around the electrode tab and between the sealing part and the electrode assembly.2. The secondary battery of claim 1 , wherein the insulation film extends into the electrode assembly through an end of the electrode assembly along a length direction of the electrode tab.3. The secondary battery of claim 1 , wherein the insulation film comprises a recessed portion facing the electrode assembly that is inwardly recessed with respect to a width direction of the insulation film.4. The secondary battery of claim 3 , wherein the recessed portion is gradually recessed in the width direction of the insulation film.5. The secondary battery of claim 3 , wherein the recessed portion is recessed in a stepped shape in the width direction of the insulation film.6. The secondary battery of claim 3 , wherein the insulation film comprises recessed portions at both sides of the insulation film in the width direction of the insulation film.7. The secondary battery of claim 3 , wherein the electrode tab is at a winding center region of the electrode assembly.8. The secondary battery of claim 7 , wherein the insulation film comprises recessed portions at both sides of the insulation film next to an end of the winding center region.9. The secondary battery of claim 1 , wherein the insulation film is integral with the sealing part and extends from the sealing part.10. The secondary battery of claim 1 , wherein the electrode tab comprises ...

Stackable Cell and Battery Module Including Same

A battery module supports a stack of nested electrochemical cells. Each cell includes an electrically-conductive container including a bottom, and a sidewall surrounding a periphery of the bottom. Each cell includes an electrically-conductive cell cover configured to close an open end of the container, an insulating gasket disposed between the container and the cell cover and an electrically-conductive jelly roll electrode set disposed in the container. The cell cover is formed having a recess configured to receive the bottom of an adjacent cell. In particular, the recess is configured to conform to the shape and size of the bottom of the adjacent cell so that when the cells are stacked end-to-end, a cell stack is formed in which the cells of the stack a) fit within each other in a nested arrangement, and b) form an electrical connection. 2. The battery module of claim 1 , wherein the recess is formed in the cell cover portion.3. The battery module of claim 1 , wherein in the recess conforms to the size and shape of the second end of the cell housing.4. The battery module of claim 1 , wherein the container portion includes a closed end spaced apart from the cell cover claim 1 , and the closed end and the cell cover each have an elliptical peripheral shape.5. The battery module of claim 1 , further comprising a module base configured to support a stack of electrochemical cells claim 1 , whereinthe electrochemical cells have an elliptical shape that defines a major axis and a minor axis,the electrochemical cells are arranged within the module base such that the major axis of each cell is parallel to a bottom support surface of the module base.6. The battery module of claim 5 , wherein the module base supports a first stack of electrochemical cells and a second stack of electrochemical cells arranged within the module base such that the major axis of each cell is parallel to a bottom support surface of the module base claim 5 , and the first stack of electrochemical ...

PACKAGING MATERIAL FOR POWER STORAGE DEVICE

A packaging material for a power storage device, including: a metal foil layer; a coating layer formed on a first surface of the metal foil layer directly or via a first anti-corrosion treatment layer; a second anti-corrosion treatment layer formed on a second surface of the metal foil layer; an adhesive layer formed on the second anti-corrosion treatment layer; and a sealant layer formed on the adhesive layer. The coating layer contains at least one material selected from a group consisting of fluorine-based resins, urethane-based resins, and polyester-based resins. There is also a strength difference between the coating layer and a laminate of the adhesive layer and the sealant layer at a 10 percent stretch conducted in a tensile test (in conformity with JIS K 7127) of less than 0.400 N/mm. 1. A packaging material for a power storage device , comprising:a metal foil layer;a coating layer formed on a first surface of the metal foil layer directly or with a first anti-corrosion treatment layer intermediate the coating layer and the metal foil layer;a second anti-corrosion treatment layer formed on a second surface of the metal foil layer;an adhesive layer formed on the second anti-corrosion treatment layer; anda sealant layer formed on the adhesive layer, wherein:the coating layer contains at least one material selected from a group consisting of fluorine-based resins, urethane-based resins, and polyester-based resins; anda strength difference between the coating layer and a laminate of the adhesive layer and the sealant layer at a 10 percent stretch conducted in a tensile test (in conformity with JIS K 7127) being less than 0.400 N/mm.2. The packaging material for a power storage device of claim 1 , wherein the coating layer has a thickness in a range of 3 to 30 μm.3. The packaging material for a power storage device of claim 1 , wherein the sealant layer is made of a polyolefin-based resin.4. The packaging material for a power storage device of claim 1 , wherein a ...

TERMINALS OF AN ELECTROCHEMICAL CELL

An electrochemical cell includes a cell element and a casing configured to receive the cell element, the casing having a wall with a first terminal opening. The electrochemical cell includes a first terminal having a terminal post extending through the first terminal opening along a longitudinal axis of the terminal post, a first gasket extending into an interior of the casing and disposed radially between the terminal post and the wall to electrically insulate the terminal post from the wall, a second gasket extending exterior to the casing, positioned axially adjacent to the first gasket with respect to the longitudinal axis, and disposed radially between the terminal post and the wall to electrically insulate the terminal post from the wall, and a press ring disposed exterior to the casing and radially between the second gasket and the terminal post. The electrochemical cell also includes a second terminal. 1. An electrochemical cell , comprising;a cell element;a casing configured to receive the cell element, the casing comprising a wall having a first terminal opening;a first terminal in electrical communication with a first electrode of the cell element and configured to interface with the first terminal opening;a terminal post of the first terminal extending through the first terminal opening along a longitudinal axis of the terminal post;a first gasket of the first terminal extending into an interior of the casing and disposed radially between the terminal post and the wall of the casing with respect to the longitudinal axis to electrically insulate the terminal post from the wall;a second gasket of the first terminal extending exterior to the casing, positioned axially adjacent to the first gasket with respect to the longitudinal axis, and disposed radially between the terminal post and the wall of the casing with respect to the longitudinal axis to electrically insulate the terminal post from the wall;a press ring of the first terminal disposed exterior to ...

SILICON SUBSTRATE CONTAINING INTEGRATED POROUS SILICON ELECTRODES FOR ENERGY STORAGE DEVICES

A method of forming a semiconductor structure includes forming at least one trench in a non-porous silicon substrate, the at least one trench providing an energy storage device containment feature. The method also includes forming an electrical and ionic insulating layer disposed over a top surface of the non-porous silicon substrate. The method further includes forming, in at least a base of the at least one trench, a porous silicon layer of unitary construction with the non-porous silicon substrate. The porous silicon layer provides at least a portion of a first active electrode for an energy storage device disposed in the energy storage device containment feature. 1. A method of forming a semiconductor structure , comprising:forming at least one trench in a non-porous silicon substrate, the at least one trench providing an energy storage device containment feature;forming an electrical and ionic insulating layer disposed over a top surface of the non-porous silicon substrate; andforming, in a base of the at least one trench, a porous silicon layer of unitary construction with the non-porous silicon substrate;wherein the porous silicon layer provides at least a portion of a first active electrode for an energy storage device disposed in the energy storage device containment feature.2. The method of claim 1 , wherein the electrical and ionic insulating layer is further disposed on sidewalls of the at least one trench.3. The method of claim 2 , wherein the non-porous silicon substrate comprises a p− silicon substrate claim 2 , and wherein forming the porous silicon layer in the base of the at least one trench comprises:forming a p+ type doped silicon region with a controlled doping level on an exposed portion of the non-porous silicon substrate in the base of the at least one trench via epitaxial layer growth of p+ type silicon;cleaning the epitaxial layer of p+ type silicon; andelectrochemically etching the cleaned epitaxial layer to form the porous silicon layer.4 ...

HOLLOW PACKAGING FOR CABLE-TYPE SECONDARY BATTERY, AND CABLE-TYPE SECONDARY BATTERY COMPRISING SAME

The present invention relates to a hollow packaging for a cable-type secondary battery and a cable-type secondary battery comprising same, and more specifically, to a hollow packaging for a cable-type secondary battery and a cable-type secondary battery comprising same, wherein the hollow packaging for a cable-type secondary battery comprises a packaging sheet including a sheet-type thin metal layer provided with a corrugated pattern on the surface, a first polymer resin layer formed on one surface of the thin metal layer, and a mechanical support layer formed on the other surface of the thin metal layer, wherein the packaging sheet forms a hollow space by bending so that the first polymer resin layer faces inward. 1. A hollow packaging for a cable-type secondary battery , comprising: a sheet-type metal foil layer having a pattern with a corrugated structure formed on a surface thereof;', 'a first polymer resin layer formed on one surface of the metal foil layer; and', 'a mechanical support layer formed on the other surface of the metal foil layer,, 'a packaging sheet comprisingwherein the packaging sheet has a hollow by bending such that the first polymer resin layer faces inward.2. The hollow packaging for a cable-type secondary battery according to claim 1 , wherein the pattern with a corrugated structure is formed in a lengthwise direction of the packaging for a cable-type secondary battery.3. The hollow packaging for a cable-type secondary battery according to claim 1 , wherein the hollow packaging for a cable-type secondary battery is formed by bending the packaging sheet such that one end part and the other end part of the first polymer resin layer are adhered to each other claim 1 , and sealing the packaging sheet.4. The hollow packaging for a cable-type secondary battery according to claim 1 , wherein the metal foil layer is any one selected from the group consisting of iron (Fe) claim 1 , carbon (C) claim 1 , chrome (Cr) claim 1 , manganese (Mn) claim 1 , ...

PACKAGING MATERIAL FOR ELECTRICAL STORAGE DEVICES, ELECTRICAL STORAGE DEVICE, AND METHOD FOR PRODUCING EMBOSSED PACKAGING MATERIAL

A packaging material for electrical storage devices which includes a base layer, a metal foil layer arranged on the base layer, and a sealant layer arranged on the metal foil layer. In the packaging material for electrical storage devices, the base layer includes at least one of a stretched polyester resin and a stretched polyamide resin, and the metal foil layer is an aluminum foil containing iron in the range of about 0.5 mass % or more to about 5.0 mass % or less. The packaging material has a tensile elongation of about 50% or more both the MD and TD directions of the base layer. 1. A packaging material for electrical storage devices comprising a base layer , a metal foil layer arranged on the base layer , and a sealant layer arranged on the metal foil layer , wherein:the base layer includes at least one of a stretched polyester resin layer and a stretched poly amide resin layer;the metal foil layer is an aluminum foil containing iron in a range of about 0.5 mass % or more to about 5.0 mass % or less; andthe packaging material has a tensile elongation of about 50% or more in both an MD direction and a TD direction of the base layer.2. The packaging material for electrical storage devices of claim 1 , wherein:the packaging material further comprises a first adhesive layer arranged on the base layer;the metal foil layer is arranged on the base layer via the first adhesive layer; andthe first adhesive layer includes an aromatic polyurethane adhesive layer.3. The packaging material for electrical storage devices of claim 1 , wherein:the packaging material further comprises a second adhesive layer arranged on the metal foil layer;the sealant layer is arranged on the metal foil layer via the second adhesive layer;the base layer has a thickness in a range of 20 μm or more to 50 μm or less;the metal foil layer has a thickness in a range of 30 μm or more to 60 μm or less; anda total thickness of the second adhesive layer and the sealant layer is in a range of 25 μm or ...

POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME

[Object] Provided is a means for improving cycle characteristics by suppressing electrode deterioration resulting from non-uniformity of voltage across an electrode plane in a high-capacity and large-area non-aqueous electrolyte secondary battery that includes lithium nickel-based composite oxide as a positive electrode active substance. 17.-. (canceled)8. A positive electrode for a non-aqueous electrolyte secondary battery used in a non-aqueous electrolyte secondary battery in which the ratio value of battery area (projected area of the battery including the battery outer casing body) to rated capacity is 5 cm/Ah or more and the rated capacity is 3 Ah or more , the positive electrode comprising:a positive electrode current collector; anda positive electrode active substance layer that is formed on a surface of the positive electrode current collector and has a positive electrode active substance containing a lithium nickel-based composite oxide and a spinel type lithium manganese composite oxide,{'b': 50', '50', '50', '50, 'claim-text': [{'br': None, '[Math. 1]'}, {'br': None, 'i': D', 'A', 'D', 'B, '0.5≦50()/50()≦2.0\u2003\u2003Mathematical Formula 1, {'br': None, 'i': B', 'A+B, '0.3≦/()≦0.5\u2003\u2003Mathematical Formula 2], 'wherein, when the average secondary particle diameter (D) of the lithium nickel-based composite oxide is D(A) [μm], the content ratio of the lithium nickel-based composite oxide in the positive electrode active substance layer is A [% by mass], the average secondary particle diameter (D) of the spinel type lithium manganese composite oxide is D(B) [μm], and the content ratio of the spinel type lithium manganese composite oxide in the positive electrode active substance layer is B [% by mass], the positive electrode satisfies the following Mathematical Formula 1 and Mathematical Formula 29. The positive electrode for a non-aqueous electrolyte secondary battery according to claim 8 , wherein the lithium nickel-based composite oxide has a ...

BATTERY

A battery includes a battery casing defining a chamber therein, and an electrolyte powder disposed in the chamber. The electrolyte powder is configured to surround a zinc material that is separated from the electrolyte powder by a permeable separator sheet. The battery also includes a conductive member having a first end configured for electrical communication with an anode terminal of the battery, and, a second end configured for electrical communication with the zinc material. A conductive layer is also disposed between an inner surface of the casing and the electrolyte powder, the conductive layer being configured for electrical communication with a cathode terminal of the battery. There is also a liquid release mechanism configured for allowing release of a liquid in the chamber to activate an ion flow between the electrolyte powder and the zinc material via the permeable separator sheet. 1. A battery including:a battery casing defining a chamber therein;an electrolyte powder disposed in the chamber, the electrolyte powder being configured to surround a zinc material that is separated from the electrolyte powder by a permeable separator sheet;a conductive member having a first end configured for electrical communication with an anode terminal of the battery, and, a second end configured for electrical communication with the zinc material;a conductive layer disposed between an inner surface of the casing and the electrolyte powder, the conductive layer being configured for electrical communication with a cathode terminal of the battery; anda liquid release mechanism configured for allowing release of a liquid in the chamber to activate an ion flow between the electrolyte powder and the zinc material via the permeable separator sheet whereby a potential difference is generated between the conductive layer and the conductive member in response to said activated ion flow.2. A battery as claimed in wherein the electrolyte power includes a compressed electrolyte ...

PACKAGING MATERIAL FOR POWER STORAGE DEVICE AND METHOD FOR MANUFACTURING PACKAGING MATERIAL FOR POWER STORAGE DEVICE

A packaging material for a power storage device, the packaging material including a structure in which at least a substrate protective layer, a substrate layer, an adhesive layer, a metal foil layer, a sealant adhesive layer, and a sealant layer are laminated in this order, wherein the substrate protective layer is a cured product of a raw material containing a polyester resin or an acrylic resin, and a curing agent; the polyester resin or the acrylic resin has reactive groups reactive with the curing agent at a terminal position and/or in a side chain; the curing agent contains an isocyanate other than an alicyclic isocyanate, and an alicyclic isocyanate; and the ratio ([a]/[b]) of the weight of the isocyanate other than an alicyclic isocyanate [a] to the weight of the alicyclic isocyanate [b] is 99/1 to 80/20. 1. A packaging material for a power storage device , comprising:a substrate protective layer,a substrate layer,an adhesive layer,a metal foil layer,a sealant adhesive layer,and a sealant layerwherein the substrate protective layer, the substrate layer, the adhesive layer, the metal foil layer, the sealant adhesive layer, and the sealant layer are laminated in this order,wherein the substrate protective layer is a cured product of a raw material containing a polyester resin or an acrylic resin, and a curing agent,wherein the polyester resin or the acrylic resin has reactive groups reactive with the curing agent at a terminal position and/or in a side chain,wherein the curing agent contains an isocyanate other than an alicyclic isocyanate, and an alicyclic isocyanate, andwherein the ratio ([a]/[b]) of the weight of the isocyanate other than an alicyclic isocyanate [a] to the weight of the alicyclic isocyanate [b] is 99/1 to 80/20.2. The packaging material for a power storage device of claim 1 ,wherein the ratio ([B]/[A]) of the number of moles of reactive groups of the curing agent [B] to the number of moles of reactive groups of the polyester resin or the ...

RESIN-METAL COMPOSITE SEAL CONTAINER AND METHOD FOR PRODUCING SAME

A resin-metal composite sealed container having a heat seal part using a heat-sealing resin, between an end part of a first metal foil and an end part of a second metal foil, and a metallically sealed part with a weld bead, on the end face outside the heat sealed part of the first metal foil and the second metal foil. The resin-metal composite sealed container, wherein the melting point of the metal constituting the metal foil is higher by 300° C. or more than the thermal decomposition temperature of the heat-sealing resin, the specific gravity of the metal constituting the metal foil is 5 or more, and the weld bead is formed by a laser welding. A method for producing a metal-resin composite sealed container, comprising forming a container by heat sealing end parts of metal foils having laminated on at least one surface thereof a heat-sealing resin, and forming a metallically sealed part with a weld bead on the end faces of the metal foils by heating/welding an outer side of the heat sealed part of the container from a side of the end faces of the metal foils. 1. A resin-metal composite sealed container having:a first metal foil having an end part,a second metal foil having an end part,a heat sealed part using a heat-sealing resin, between said end part of said first metal foil and said end part of said second metal foil, anda metallically sealed part with a weld bead, on an end face outside said heat sealed part of said first metal foil and said second metal foil.2. The resin-metal composite sealed container according to claim 1 , wherein:the melting point of the metal constituting said metal foil is higher by 300° C. or more than the thermal decomposition temperature of said heat-sealing resin,the specific gravity of the metal constituting said metal foil is 5 or more, andsaid weld bead is formed by a laser welding.3. The resin-metal composite sealed container according to claim 1 , wherein said metallically sealed part of said first metal foil and said second ...

Battery cell for an electric vehicle battery pack

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

SECONDARY BATTERY AND ELECTRONIC DEVICE

A secondary battery suitable for a portable information terminal or a wearable device is provided. An electronic device having a novel structure which can have various forms and a secondary battery that fits the forms of the electronic device are provided. In the secondary battery, scaling is performed using a film provided with depressions or projections that ease stress on the film due to application of external force. A pattern of depressions or projections is formed on the film by pressing, e.g., embossing. 1. (canceled)2. A secondary battery comprising:a folded film;a positive electrode current collector;a positive electrode active material layer;a negative electrode current collector; anda negative electrode active material layer,wherein an end portion of the folded film is sealed with an adhesive layer,wherein each of an inside surface and an outside surface of the folded film has a pattern of depressions or projections, andwherein the positive electrode current collector, the positive electrode active material layer, the negative electrode current collector, and the negative electrode active material layer are positioned inside the folded film.3. The secondary battery according to claim 2 , further comprising a separator positioned inside the folded film.4. The secondary battery according to claim 2 , further comprising an electrolyte positioned inside the folded film claim 2 ,wherein the positive electrode current collector, the positive electrode active material layer, the negative electrode current collector, and the negative electrode active material layer are surrounded by the inside surface of the folded film and the electrolyte.5. The secondary battery according to claim 2 , wherein one of the depressions of the outside surface and one of the projections of the inside surface are adjacent to each other.6. The secondary battery according to claim 2 , wherein one of the projections of the outside surface and one of the depressions of the inside surface ...

SELECTIVELY CONDUCTING BATTERY CASING

An electrochemical cell casing may be made from a non-conducting material. A conducting area may be formed on the casing. For example the conductive area may include a charge collector and/or a link and/or a terminal. The conducting area may be formed for example by coatings and/or deposits and/or molded interconnect device technology and/or multicomponent molding. An electrochemical cell may be modular. The cell may have interlocking features for stacking into a compound battery. An electrochemical cell may have an arbitrary shape, for instance prismatic. The cell may be flexible. The cell may fit into a standard battery receptacle. 2. The electrochemical cell of claim 1 , further comprising:a transport medium disposed between said first electrode and a second electrode.3. The electrochemical cell of claim 1 , further comprising:a second electrode in electrical connection witha second link, said second link including a second interior portion formed on said inside surface of said first casing component and a second exterior portion formed on said outside surface of said first casing component and an electrical connection between said interior portion and said exterior portion and wherein said first link and said second link have a geometry avoiding shorting.4. The electrochemical cell of claim 1 , further comprising:a second of said casing components made of an electrically insulating material; anda second electrode in electrical connection with a second link, said second link including a second interior portion formed on said inside surface of said second casing component and a second exterior portion formed on said outside surface of said second casing component and an electrical connection between said interior portion and said exterior portion and wherein said first link and said second link have a geometry avoiding shorting.5. The electrochemical cell of claim 1 , wherein said housing has mechanically interlocking features.6. The electrochemical cell of claim ...

BATTERY HOUSING FOR AT LEAST ONE BATTERY CELL HAVING A CERAMIC OR GLASS-LIKE OR METALLIC PROTECTIVE COATING, AND MOTOR VEHICLE

A housing for at least one battery cell of an electrical energy accumulator of an at least partially electrically operated motor vehicle, having an interior of the battery housing, which is designed for arranging the at least one battery cell, and having at least one protective coating formed on at least one housing wall of the battery housing and facing toward the interior, wherein the protective coating is ceramic or glass-like or metallic and is designed to generate a degassing flow in the event of degassing of the battery cell from the interior of the battery housing. The disclosure furthermore relates to a motor vehicle. 1. A battery housing comprising:at least one battery cell of an electrical energy accumulator of an at least partially electrically operated motor vehicle, having an interior of the battery housing, which is designed for arranging the at least one battery cell, and having at least one protective coating formed on at least one housing wall of the battery housing and facing toward the interior, andthe protective coating is ceramic or glass-like or metallic and is designed to generate a degassing flow in the event of degassing of the battery cell from the interior of the battery housing.2. The battery housing as claimed in claim 1 , wherein the battery housing has a degassing opening claim 1 , which is designed to discharge the degassing flow from the interior into an environment of the battery housing.3. The battery housing as claimed in claim 2 , wherein the degassing opening has a bursting membrane claim 2 , which is designed to burst in the event of a predetermined degassing pressure in the interior and to discharge the degassing flow into the environment.4. The battery housing as claimed in claim 1 , wherein the battery housing has an additional degassing element which is designed to be arranged between the battery cell and at least one housing wall in the interior.5. The battery housing as claimed in claim 4 , wherein the degassing element ...

Battery Pack

A battery pack, which includes a pack connector having a simple structure and effectively preventing the inflow and outflow of noise. The battery pack includes a cell assembly having at least one secondary battery; a battery control unit configured to control a charging and discharging operation of the cell assembly; a pack case configured to accommodate the cell assembly and the battery control unit in an inner space thereof; and a pack connector connected to the battery control unit through a control cable and including a connection port provided to at least one side of the pack case to be exposed out for the connection with a connecting terminal of an external device and a filtering member embedded therein to filter noise on an electric path between the connection port and the control cable. 1. A battery pack , comprising:a cell assembly having at least one secondary battery;a battery control unit configured to control a charging and discharging operation of the cell assembly;a pack case configured to accommodate the cell assembly and the battery control unit in an inner space thereof; and a connection port positioned along at least one side of the pack case to be exposed out for the connection with a connecting terminal of an external device; and', 'a filtering member embedded in the connection port and configured to filter noise on an electric path between the connection port and the control cable., 'a pack connector connected to the battery control unit through a control cable and including2. The battery pack according to claim 1 ,wherein the pack connector further includes a housing member having an empty inner space formed therein, andwherein the filtering member is configured in the form of a plate and is accommodated within the inner space of the housing member.3. The battery pack according to claim 2 ,wherein the filtering member is configured in the form of a circuit board.4. The battery pack according to claim 2 ,wherein at least one edge of the ...

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

A non-aqueous electrolyte secondary battery enables a reaction for forming a film (SEI) on a surface of a negative electrode active material to proceed more uniformly when an aqueous binder is used as a binder for a negative electrode active material. The non-aqueous electrolyte secondary battery has a positive electrode active material layer formed on a positive electrode current collector, a negative electrode active material layer containing an aqueous binder formed on a surface of a negative electrode current collector, and a separator holding an electrolyte solution, wherein the ratio value of a volume of a residual space inside the outer casing to a volume of pores of the power generating element is 0.4 to 0.5, and the ratio value of a volume L of the electrolyte solution injected to the outer casing to the volume of the residual space inside the outer casing is 0.6 to 0.8. 1. A non-aqueous electrolyte secondary battery having a power generating element enclosed inside an outer casing ,wherein the power generating element comprisesa positive electrode having a positive electrode active material layer formed on a surface of a positive electrode current collector,a negative electrode having a negative electrode active material layer containing an aqueous binder formed on a surface of a negative electrode current collector, anda separator holding an electrolyte solution,{'sub': 2', '1', '2', '1', '2', '2, 'wherein the ratio value (V/V) of a volume Vof a residual space inside the outer casing to a volume Vof pores of the power generating element is 0.4 to 0.5, and the ratio value (L/V) of a volume L of the electrolyte solution injected to the outer casing to the volume Vof the residual space inside the outer casing is 0.6 to 0.8.'}2. The non-aqueous electrolyte secondary battery according to claim 1 , wherein the outer casing is a laminate film containing aluminum.3. The non-aqueous electrolyte secondary battery according to claim 1 , further comprising a pressure ...

SECONDARY BATTERY

Secondary battery comprises: battery electrode assembly (electrode laminate) that includes positive electrodes and negative electrodes that overlap each other with separator interposed therebetween; and conductive adhesive tape which has a multilayer structure including adhesive layer and conductive layer wherein adhesive layer has conductivity and adhesiveness and adheres to a surface of battery electrode assembly conductive layer is laminated on adhesive layer and conductive adhesive tape has electric resistance of 1.0 /cmor less in a thickness direction and covers at least a part of an outer peripheral portion of battery electrode assembly by being wound around said part. 1. A secondary battery comprising:a battery electrode assembly that includes positive electrodes and negative electrodes that overlap each other with a separator interposed therebetween; anda conductive adhesive tape which has a multilayer structure including an adhesive layer and a conductive layer, wherein the adhesive layer has conductivity and adhesiveness and adheres to a surface of said battery electrode assembly, the conductive layer is laminated on said adhesive layer, and the conductive adhesive tape has electric resistance of 1.0 Ω/cm2 or less in a thickness direction and covers at least a part of an outer peripheral portion of said battery electrode assembly by being wound around said part.2. The secondary battery according to claim 1 , further comprising an insulating member which is located on a side surface of said battery electrode assembly and which covers at least one of a side edge of said positive electrode and a side edge of said negative electrode such that the covered side edge is not in contact with said adhesive layer.3. The secondary battery according to claim 2 , wherein said insulating member is a bent portion formed in a side portion of said separator.4. The secondary battery according to claim 1 , wherein said separator is formed in a bag shape claim 1 , and said ...

POWER STORAGE DEVICE PACKAGE MATERIAL AND STORAGE DEVICE USING THE SAME

A power storage device packaging material includes: a base material layer; a metal foil layer formed on one surface of the base material layer via an adhesive layer; and a sealant layer arranged on a surface of the metal foil layer, the surface of the metal foil layer being on the opposite side to the base material layer, wherein the base material layer contains a polyester resin that contains a polyester elastomer and/or an amorphous polyester. 1. A power storage device packaging material , comprising:a base material layer;a metal foil layer formed on one surface of the base material layer via an adhesive layer; anda sealant layer arranged on a surface of the metal foil layer, the surface of the metal foil layer having the sealant layer being on the opposite side of the metal foil layer to the base material layer, whereinthe base material layer contains a polyester resin that contains a polyester elastomer and/or an amorphous polyester.2. The power storage device packaging material of claim 1 , wherein the base material layer has a thickness in a range of not less than 5 μm to not more than 30 μm.3. The power storage device packaging material of claim 1 , wherein a content of the polyester elastomer in the polyester resin is in a range of 2 to 15 mass % relative to a total amount of the polyester resin claim 1 , or a content of the amorphous polyester is in a range of 20 to 60 mass % relative to a total amount of the polyester resin.4. A power storage device packaging material claim 1 , comprising:a first base material layer;a second base material layer formed on one surface of the first base material layer via a first adhesive layer;a metal foil layer formed on a surface of the second base material layer via a second adhesive layer, the surface of the second base material layer having the metal foil layer being on the opposite side of the second base material layer to the first base material layer; anda sealant layer arranged on a surface of the metal foil layer, ...

Electrochemical Cell Packaging Material

Provided is a packaging material for electrochemical cells which has an identification mark that can be recognized from the outside and that is difficult to forge. The packaging material comprises a multilayer film which has a structure formed by laminating a base layer (), an adhesive layer (), a metal foil layer (), an acid-modified polyolefin layer (), and a heat-sealable layer () in this order, wherein the base layer () comprises both a oriented polyester film () and a oriented nylon film () with a printed layer () provided on the surface of the oriented polyester film () that faces the oriented nylon film (). 1. An electrochemical cell packaging material for housing an electrochemical cell body ,the electrochemical cell body including a positive electrode comprising a positive-electrode active material and a positive-electrode collector, a negative electrode comprising a negative-electrode active material and a negative-electrode collector, and an electrolyte; andsealing said electrochemical cell body by heat-sealing of a peripheral edge part of the electrochemical cell packaging material,said electrochemical cell packaging material characterized in thatthe electrochemical cell packaging material is a multilayer film having a structure formed by laminating at least a base layer, an adhesive layer, a metal foil layer, and a heat-sealable layer in this order from outside, the heat-sealable layer being arranged as an innermost layer, andsaid adhesive layer comprises a pigment.2. The electrochemical cell packaging material according to claim 1 , wherein said adhesive is one selected from the group consisting of a polyvinyl acetate-based adhesive claim 1 , a polyacrylic acid ester-based adhesive claim 1 , a cyanoacrylate-based adhesive claim 1 , an ethylene copolymer-based adhesive claim 1 , a cellulose-based adhesive claim 1 , a polyester-based adhesive claim 1 , a polyamide-based adhesive claim 1 , a polyimide-based adhesive claim 1 , an amino resin-based adhesive ...

METHOD OF PROVIDING AN ELECTROCHEMICAL CELL CASING HAVING AN OPEN-ENDED MAIN BODY PORTION OF GRADE 5 OR 23 TITANIUM CLOSED BY UPPER AND LOWER LIDS OF GRADE 1 OR 2 TITANIUM

An electrochemical cell, preferably a secondary, rechargeable cell, including a casing comprised of a main body portion having opposed lower and upper open ends closed by respective lower and upper lids is described. The main body portion is composed of titanium Grades 5 or 23 having a relatively high electrical resistivity material while the lower and upper lids are composed of titanium Grades 1 or 2. The lids are preferably joined to the main body portion using laser welding. The combination of these differing titanium alloys provides a cell casing that effectively retards eddy current induced heating during cell recharging. 1. A method for providing an electrochemical cell , comprising the steps of:a) machining a bar of a first conductive material to provide a main body portion comprising a sidewall extending to opposed lower and upper open ends;b) providing a lower lid of a second conductive material, and securing the lower lid to the sidewall of the main body portion with a first weld to thereby close the lower open end thereof;c) providing an upper lid of a third conductive material, the upper lid being sized and shaped to close the upper open end of the main body portion;d) providing an electrode assembly comprising an anode and a cathode separated from direct physical contact with each other by a separator, and housing the electrode assembly inside the main body portion closed by the lower lid;e) securing the upper lid to the sidewall of the main body portion with a second weld to thereby close the upper open end thereof and provide the casing; andf) activating the electrode assembly with an electrolyte filled in the casing through a fill opening and then closing the fill opening.2. The method of claim 1 , including providing the first conductive material of the main body portion of the casing being composed of Grade 5 titanium or Grade 23 titanium and the second and third conductive materials of the respective lower and upper lids being composed of Grade 1 ...

LITHIUM-IODINE ELECTROCHEMICAL CELLS EXHIBITING LOW DISCHARGE IMPEDANCE

An lithium-iodine electrochemical cell and method of making is described. The cell comprises a lithium anode and a cathode of a charge transfer complex which includes iodine and preferably polyvinylpyridine. The iodine-containing cathode is in operative contact with both the anode the cell casing serving as the cathode current collector. Preferably the casing is composed of stainless steel that has been thermally annealed at temperatures of 1,800° F. or less. The annealed stainless steel has a grain size of about ASTM 7 or finer. When the iodine-containing cathode material in liquid form is filled into the casing, it contacts the inner casing surface. The passivation layer that subsequently forms at the contact interface affects cell impedance during discharge. It is desirable to maintain the internal impedance as low as possible. 1. An electrochemical cell , comprising:a) a casing comprising stainless steel;b) a lithium-containing anode disposed inside the casing; andc) an iodine-containing cathode in operative contact with the anode and the casing so that the casing serves as a cathode current collector,{'sup': '2', 'd) wherein an passivation layer resides between the iodine-containing cathode and an inner surface of the stainless casing so that the cell has an impedance that is about 3,000 Ohm·cmor less at a frequency of 0.1 Hz.'}2. The electrochemical cell of claim 1 , wherein the stainless steel of the casing is an austenitic or precipitation hardened stainless steel with a chromium content of from 15 wt % to 20 wt %.3. The electrochemical cell of claim 1 , wherein the iodine-containing cathode comprises a charge transfer complex.4. The electrochemical cell of claim 1 , wherein a grain size of the stainless steel of the casing is about ASTM 7 or finer.5. The electrochemical cell of claim 1 , wherein a grain size of the stainless steel of the casing is from about ASTM 7 to about ASTM 8.5.6. The electrochemical cell of claim 5 , wherein the stainless steel of the ...

Pouch Film and Method for Manufacturing the Same

A method for a pouch film according to an embodiment of the present invention includes: a step of applying an adhesive on one surface of a first polymer layer; a step of depositing metal particles on the adhesive; a step of applying heat and a pressure to the deposited metal particles to sinter the metal particles and thereby forming a gas barrier layer; and a step of laminating a second polymer layer on one surface of the gas barrier layer. 1. A method for manufacturing a pouch film , the method comprising:applying an adhesive on one surface of a first polymer layer;depositing metal particles on the adhesive;applying heat and a pressure to the deposited metal particles to sinter the metal particles and thereby forming a gas barrier layer; andlaminating a second polymer layer on one surface of the gas barrier layer.2. The method of claim 1 , wherein the first polymer layer is a surface protection layer that is an outermost layer of the pouch film claim 1 , andthe second polymer layer is a sealant layer that is an innermost layer of the pouch film.3. The method of claim 1 , wherein the first polymer layer is a sealant layer that is an innermost layer of the pouch film claim 1 , andthe second polymer layer is a surface protection layer that is an outermost layer of the pouch film.4. The method of claim 1 , wherein the metal particles comprise aluminum.5. The method of claim 1 , wherein each of the metal particles has a diameter of 0.01 μm to 15 μm.6. The method of claim 1 , wherein claim 1 , during the forming of the gas barrier layer claim 1 , the heat that is applied to the deposited metal particles has a temperature of 50° C. to 200° C.7. The method of claim 1 , wherein claim 1 , during the forming of the gas barrier layer claim 1 , the pressure that is applied to the deposited metal particles is 50 MPa to 1000 MPa.8. A pouch film comprising:a first polymer layer;an adhesive layer disposed on one surface of the first polymer layer;a gas barrier layer disposed on ...

BATTERY

A battery is provided including a battery element including a positive electrode, a negative electrode, and an electrolyte; and a laminate film for packaging the battery element, wherein the laminate film includes a first portion including a first portion thickness, a second portion including a second portion thickness and a third portion including a third portion thickness, wherein the second portion is located between the first portion and the third portion, wherein a first side of the third portion is not in contact with a second side of the third portion, and the third portion thickness includes a thickness of the first side and the second side of the third portion, wherein the first portion thickness of at least a part of the first portion is thinner than the second portion thickness, wherein the third portion thickness of at least a part of the third portion is thicker than the first portion thickness, and wherein the third portion includes an edge portion of the laminate film. 1. A battery comprising:a battery element including a positive electrode, a negative electrode, and an electrolyte; anda laminate film for packaging the battery element, wherein the laminate film includes a first portion including a first portion thickness, a second portion including a second portion thickness and a third portion including a third portion thickness,wherein the second portion is located between the first portion and the third portion,wherein a first side of the third portion is not in contact with a second side of the third portion, and the third portion thickness includes a thickness of the first side and the second side of the third portion,wherein the first portion thickness of at least a part of the first portion is thinner than the second portion thickness,wherein the third portion thickness of at least a part of the third portion is thicker than the first portion thickness, andwherein the third portion includes an edge portion of the laminate film.2. The battery ...

Power storage device

To provide a highly reliable power storage device, to improve the security of a power storage device, and to suppress deterioration of a power storage device, a power storage device includes, inside an exterior material, a positive electrode, a negative electrode facing the positive electrode, an electrolyte solution between the positive electrode and the negative electrode, and an adsorbent. A separation body which is impermeable to the electrolyte solution and permeable to a gas is provided between the electrolyte solution and the adsorbent.

Exterior for Secondary Battery and Secondary Battery Having the Same

Disclosed are an exterior for a secondary battery and a secondary battery. 1. An exterior for a secondary battery , in which an internal space is defined , the exterior comprising:a first metal part;a second metal part spaced apart from the first metal part; anda first adhesive part extending between the first metal part and the second metal part and adhering to each of the first metal part and the second metal part,wherein the first metal part is disposed closer to the internal space than the second metal part, andthe first metal part has a thermal conductivity greater than a thermal conductivity of the second metal part.2. The exterior of claim 1 , wherein a flame retardant material is mixed in the first adhesive part.3. The exterior of claim 1 , wherein the first metal part or the second metal part is made of a clad material.4. The exterior of claim 2 , wherein the flame retardant material comprises one or more of: phosphorus-based compounds claim 2 , nitrogen-based compounds claim 2 , halogen-based compounds claim 2 , antimony-based compounds claim 2 , molybdenum-based compounds claim 2 , zinc borate-based compounds claim 2 , and metal hydroxides.5. The exterior of claim 1 , further comprising:an insulation part spaced apart from the first metal part in a direction towards the internal space and having an electrical insulation property; anda second adhesive part extending between the first metal part and the insulation part and adhering to each of the first metal part and the insulation part.6. The exterior of claim 1 , wherein the first metal part comprises:a first layer comprising a first material; anda second layer comprising a second material,wherein the first layer is located closer to the internal space than the second layer, andthe first layer has a thermal conductivity greater than a thermal conductivity of the second layer.7. The exterior of claim 1 , wherein the second metal part comprises:a first layer comprising a first material; anda second layer ...

POWER STORAGE DEVICE PACKAGING MATERIAL AND POWER STORAGE DEVICE USING THE PACKAGING MATERIAL

A packaging material for a power storage device having a laminate structure in the following order including a substrate layer, a first adhesive layer, a metal foil layer, a second adhesive layer, and an inner layer containing a polyester-based resin. The inner layer has a melting peak temperature during melting in a range of 160 to 280° C. which is measured by a differential scanning calorimeter. The substrate layer has a melting peak temperature that is higher than the melting peak temperature of the inner layer. 1. A packaging material for a power storage device , comprising:a laminate structure comprising:a substrate layer;a first adhesive layer;a metal foil layer;a second adhesive layer; andan inner layer containing a polyester-based resin, in this order, wherein,the inner layer has a melting peak temperature during melting in a range of 160 to 280° C. which is measured by a differential scanning calorimeter, andthe substrate layer has a melting peak temperature that is higher than the melting peak temperature of the inner layer.2. The packaging material of claim 1 , wherein the packaging material is for an all-solid-state battery.3. The packaging material of claim 1 , wherein the inner layer has a single-layer structure.4. The packaging material of claim 1 , wherein the inner layer has a multi-layer structure comprising:a first layer containing a polyester-based resin and having a melting peak temperature in a range of 170 to 280° C. anda second layer formed on an inner surface of the first layer and containing a thermosetting resin.5. The packaging material of claim 1 , wherein the inner layer has a multi-layer structure comprising:a first layer containing a polyester-based resin and having a melting peak temperature in a range of 170 to 280° C., anda second layer formed on an inner surface of the first layer and containing a polyester-based resin, whereinthe second layer has a melting peak temperature in a range of 160 to 270° C., and the melting peak ...

Nonaqueous electrolyte secondary battery

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

RECHARGEABLE BATTERY

A rechargeable battery includes an electrode assembly in a case, a terminal which passes through and protrudes from a cap plate, and a current collector plate in the case. The current collector plate electrically connects the electrode assembly and the terminal portion. The current collector plate has a fuse area which includes a fuse hole having a substantially elongated shape with round sides oriented in a widthwise direction of the current collector plate. 1. A rechargeable battery , comprising:an electrode assembly in a case;a terminal which passes through and protrudes from a cap plate; anda current collector plate in the case and electrically connecting the electrode assembly and the terminal, wherein the current collector plate has a fuse area which includes a fuse hole having a substantially elongated shape with round sides oriented in a first direction of the current collector plate.2. The battery as claimed in claim 1 , wherein:each of the round sides has a radius substantially equal to or greater than half a length of the fuse hole in a second direction crossing the first direction.3. A rechargeable battery claim 1 , comprising:an electrode assembly in a case;a terminal passing through and protruding from a cap plate; anda current collector plate in the case and electrically connecting the electrode assembly and the terminal, wherein the current collector plate has a fuse area that includes a fuse hole without corners, the fuse hole passing through the current collector plate.4. The battery as claimed in claim 3 , wherein the fuse hole has a substantially circular or oval shape elongated in a first direction of the current collector plate.5. The rechargeable battery as claimed in claim 3 , wherein:the fuse hole has a first side, a second side, a first round side, and a second round side,the first side faces the second side,the first side and the second side are substantially parallel to a first direction of the current collector plate,the first round side ...

METHOD FOR PRODUCING A BATTERY CELL AND BATTERY CELL

A method for producing a battery cell () wherein, after the metallic bottom part () has been joined materially to the metallic wall part () and the second electrode side () has been joined materially to the feedthrough bushing (), a metallic cover part () is joined materially to the metallic wall part (), and wherein the material joining of the metallic bottom part () to the metallic wall part takes place only after the material joining of the first electrode side () of the battery roll () to the metallic bottom part (). 18102410242628. A method for producing a battery cell () , comprising a housing () and a battery roll () arranged in the housing () , wherein the battery roll () has a first electrode side () and a second electrode side () , the method comprising the following steps:{'b': 26', '24', '16', '10', '24', '14', '10, 'joining the first electrode side () of the battery roll () materially to a metallic bottom part () of the housing () before or after introduction of the battery roll () into a metallic wall part () of the housing (), and'}{'b': 28', '24', '32', '24', '14, 'joining the second electrode side () of the battery roll () materially to a feedthrough bushing () after the introduction of the battery roll () into the metallic wall part (), wherein,'}{'b': 16', '14', '28', '32', '12', '14', '16', '14', '26', '24', '16, 'after the metallic bottom part () has been joined materially to the metallic wall part () and the second electrode side () has been joined materially to the feedthrough bushing (), a metallic cover part () is joined materially to the metallic wall part (), and wherein the material joining of the metallic bottom part () to the metallic wall part () takes place only after the material joining of the first electrode side () of the battery roll () to the metallic bottom part ().'}2283628323632121420. The method according to claim 1 , characterized in that the second electrode side () has a contact tab () claim 1 , and the second electrode ...

HORIZONTAL COMPOSITE ELECTRICITY SUPPLY STRUCTURE

The present disclosure relates to a horizontal composite electricity supply structure, which comprises a first insulation layer, a second insulation layer, two patterned conductive layers, and a plurality of electrochemical system element groups. The two patterned conductive layers are disposed on the first and second insulation layers, respectively. The plurality of electrochemical system element groups are disposed between the first insulation layer and the second insulation layer, and connected serially and/or parallelly via the patterned conductive layers. The electrochemical system element group is formed by serially connecting one or more electrochemical system elements. Each electrochemical system element includes a package layer on the sidewall, so that their electrolyte systems don't circulate. Thereby, the high voltage produced by connection will not influence any single electrochemical system element nor decompose their electrolyte systems. Hence, serial and/or parallel connections can be done concurrently in the horizontal composite electricity supply structure. 1. A horizontal composite electricity supply structure , comprising:a first insulation layer;a second insulation layer, disposed opposing to said first insulation layer;two patterned conductive layers, disposed on the corresponding surfaces of said first insulation layer and said second insulation layer; anda plurality of electrochemical system element groups, sandwiched between said first insulation layer and said second insulation layer, forming series and/or parallel connections internally by connected with said patterned conductive layers, each said electrochemical system element group formed by one or more electrochemical system elements, said electrochemical system element including a package layer on the sidewall for separating the electrolyte systems of said plurality of electrochemical system element individually, each said electrochemical system element group with adjacent ...

LITHIUM SECONDARY BATTERY COMPRISING ELECTROLYTE

The present invention relates to a lithium secondary battery including an electrolyte including a non-aqueous organic solvent, a lithium salt and an additive comprising a compound represented by Chemical Formula 1; and a battery case in which the electrolyte is housed, wherein the battery case has a shape with a width (W), a height (H), and a thickness (Th), when a maximum value among the width (W), the height (H), and the thickness (Th) is a and a minimum value among the width (W), the height (H), and the thickness (Th) is b, b/a is 0.01 or more: 2. The lithium secondary battery of claim 1 , wherein the lithium secondary battery is a pouch battery and b/a is 0.01 to 0.4.3. The lithium secondary battery of claim 1 , wherein the lithium secondary battery is a prismatic battery and b/a is more than 0.1.4. The lithium secondary battery of claim 1 , wherein the battery case is composed of a metal claim 1 , a laminated sheet comprising a metal layer and a polymer layer claim 1 , and/or steel.5. The lithium secondary battery of claim 1 , wherein in Chemical Formula 1 claim 1 , A is a C2 to C20 hydrocarbon chain or (—CH—O—CH-)n claim 1 , and n is an integer from 1 to 5.7. The lithium secondary battery of claim 1 , wherein the additive is 0.1 wt % to 10 wt % in amount based on a total amount of the electrolyte.8. The lithium secondary battery of claim 7 , wherein the additive is 0.1 wt % to 5 wt % in amount based on the total amount of the electrolyte.9. The lithium secondary battery of claim 1 , wherein the electrolyte further comprises an additional additive selected from fluoroethylene carbonate claim 1 , vinylethylene carbonate claim 1 , vinylene carbonate claim 1 , succinonitrile claim 1 , hexane tricyanide claim 1 , lithiumtetrafluoroborate claim 1 , propane sultone claim 1 , and a combination thereof.10. The lithium secondary battery of claim 9 , wherein the additional additive is 0.1 wt % to 20 wt % in amount based on a total amount of the electrolyte.11. The ...

COLD-ROLLED STEEL SHEET HAVING EXCELLENT HIGH-TEMPERATURE PROPERTIES AND ROOM-TEMPERATURE WORKABILITY, AND METHOD FOR MANUFACTURING SAME

The present disclosure provides a cold-rolled steel sheet having excellent high-temperature properties and room-temperature workability, including, by weight: carbon (C): 0.0005 to 0.003%, manganese (Mn): 0.20 to 0.50%, aluminum (Al): 0.01 to 0.10%, phosphorus (P): 0.003 to 0.020%, nitrogen (N): 0.0005 to 0.004%, sulfur (S): 0.015% or less, niobium (Nb): 0.005 to 0.040%, chromium (Cr): 0.10 to 0.50%, tungsten (W): 0.02 to 0.07%, and a balance of iron (Fe) and other inevitable impurities, wherein C, Nb, and W satisfy the following relationship 1, a microstructure comprises 95 area % or more of polygonal ferrite and 5 area % or less of acicular ferrite, and 2. The cold-rolled steel sheet according to claim 1 , wherein the cold-rolled steel sheet comprises an alloyed plating layer on at least one surface thereof.3. The cold-rolled steel sheet according to claim 2 , wherein the alloyed plating layer is a Fe—Ni alloyed plating layer.4. The cold-rolled steel sheet according to claim 3 , wherein the Fe—Ni alloyed plating layer has an alloying rate of 5 to 25 area %.5. The cold-rolled steel sheet according to claim 1 , wherein the cold-rolled steel sheet has a thickness of 0.1 to 0.5 mm.6. The cold-rolled steel sheet according to claim 1 , wherein the cold-rolled steel sheet is used as a battery case of a secondary battery.7. A method for manufacturing a cold-rolled steel sheet having excellent high-temperature properties and room-temperature workability claim 1 , comprising:heating a steel slab, the steel slab comprising, by weight, carbon (C): 0.0005 to 0.003%, manganese (Mn): 0.20 to 0.50%, aluminum (Al): 0.01 to 0.10%, phosphorus (P): 0.003 to 0.020%, nitrogen (N): 0.0005 to 0.004%, sulfur (S): 0.015% or less, niobium (Nb): 0.005 to 0.040%, chromium (Cr): 0.10 to 0.50%, tungsten (W): 0.02 to 0.07%, and a balance of iron (Fe) and other inevitable impurities, wherein C, Nb, and W satisfy the following relationship 1;hot-rolling the heated slab at 900 to 950° C. to obtain ...

Method and Apparatus for Applying a Self-Adhesive Film to an Electrical Energy Storage Cell

A method for the at least partial production of an electrical energy storage cell includes providing the electrode/separator. arrangement, providing a plastics foil of self-adhesive form, and applying the self-adhesive plastics foil to at least a subregion of the arrangement surface. The energy storage cell has a storage cell housing in which there is accommodated an electrode/separator arrangement which is required for the operation of the energy storage cell. The electrode/separator arrangement has a layer structure with a sequence of cathode layers and anode layers. Opposite cathode and anode layers there are in each case separated from one another by a separator layer which is in of a porous form. The electrode/separator arrangement has an arrangement surface. 1. A method for the at least partial production of an electrical energy storage cell , the energy storage cell haying a storage cell housing in which there is accommodated an electrode/separator arrangement which is required for the operation of the energy storage cell , the electrode/separator arrangement having a layer structure with a sequence of cathode layers and anode layers , opposite cathode and anode layers being in each case separated from one another by a separator layer which is in of a porous form , and the electrode/separator arrangement having an arrangement surface , the method comprising the acts of:providing the electrode/separator arrangement;providing a plastics foil of self-adhesive form;applying the self-adhesive plastics foil to at least a subregion of the arrangement surface.2. The method as claimed in claim 1 , wherein the provided electrode/separator arrangement has a loose layer structure or a Z-folded layer structure or a wound layer structure claim 1 ,3. The method as claimed in claim 2 , wherein the application is performed by winding the self-adhesive plastics foil onto the electrode/separator arrangement.4. The method as claimed in claim 3 , wherein at least one layer claim ...

BARRIER FOR THIN FILM LITHIUM BATTERIES MADE ON FLEXIBLE SUBSTRATES AND RELATED METHODS

A thin film solid state battery configured with barrier regions formed on a flexible substrate member and method. The method includes forming a bottom thin film barrier material overlying and directly contacting a surface region of a substrate. A first current collector region can be formed overlying the bottom barrier material and forming a first cathode material overlying the first current collector region. A first electrolyte can be formed overlying the first cathode material, and a second current collector region can be formed overlying the first anode material. The method also includes forming an intermediary thin film barrier material overlying the second current collector region and forming a top thin film barrier material overlying the second electrochemical cell. The solid state battery can comprise the elements described in the method of fabrication. 1. A solid state battery device comprising:a substrate having a surface region;a bottom thin film barrier material overlying and directly contacting the surface region of the substrate, the bottom thin film barrier material configured to prevent ionic species from a first anode material to migrate to the substrate;a first current collector region overlying the bottom barrier material;a first cathode material overlying the first current collector region;a first electrolyte overlying the first cathode material;a second current collector region overlying the first anode material;an intermediary thin film barrier material overlying the second current collector region; whereupon the first current collector region, the first cathode material, the first electrolyte, and the second current collector region form a first electrochemical cell;a second electrochemical cell overlying the second thin film barrier material; anda top thin film barrier material overlying the second electrochemical cell, the top thin barrier material being configured to prevent an oxygen species, a water species, a nitrogen spices, and a carbon ...

LEADLESS PACEMAKER SYSTEM

A device includes a signal generator module, a processing module, and a housing. The signal generator module is configured to deliver pacing pulses to an atrium. The processing module is configured to detect a ventricular activation event and determine a length of an interval between the ventricular activation event and a previous atrial event that preceded the ventricular activation event. The processing module is further configured to schedule a time at which to deliver a pacing pulse to the atrium based on the length of the interval and control the signal generator module to deliver the pacing pulse at the scheduled time. The housing is configured for implantation within the atrium. The housing encloses the stimulation generator and the processing module. 1. A method comprising:detecting a ventricular activation event from within an atrium;determining a length of an interval between the ventricular activation event and a previous atrial event that preceded the ventricular activation event;scheduling a time at which to deliver a pacing pulse to the atrium based on the length of the interval; anddelivering the pacing pulse at the scheduled time.2. The method of claim 1 , further comprising:sensing ventricular electrical activity; anddetecting the ventricular activation event by detecting the ventricular electrical activity.3. The method of claim 2 , wherein the ventricular electrical activity is a far-field R-wave.4. The method of claim 3 , further comprising:detecting the ventricular activation event by detecting a far-field R-wave (FFRW);determining the length of the interval between the ventricular activation event and the previous atrial event by determining a length of an interval between the detected FFRW and the previous atrial event; andscheduling the time at which to deliver the pacing pulse to the atrium based on the length of the interval between the detected FFRW and the previous atrial event.5. The method of claim 1 , further comprising receiving ...

PACKAGING MATERIAL FOR POWER STORAGE DEVICE

A packaging material for a power storage device, including: a metal foil layer; a coating layer formed on a first surface of the metal foil layer; an anti-corrosion treatment layer formed on a second surface of the metal foil layer; an adhesive layer formed on the anti-corrosion treatment layer; and a sealant layer formed on the adhesive layer, wherein the coating layer contains at least one material selected from a group consisting of a fluorine-based resin, a polyester resin, and a polyurethane resin, and the coating layer contains 1 to 30 mass % of a pigment. 1. A packaging material for a power storage device comprising:a metal foil layer;a coating layer formed on a first surface of the metal foil layer;an anti-corrosion treatment layer formed on a second surface of the metal foil layer;an adhesive layer formed on the anti-corrosion treatment layer; anda sealant layer formed on the adhesive layer, wherein the coating layer contains at least one material selected from a group consisting of a fluorine-based resin, a polyester resin, and a polyurethane resin, and the coating layer contains 1 to 30 mass % of a pigment.2. The packaging material for a power storage device of claim 1 , wherein the pigment is at least one material selected from a group consisting of an inorganic pigment and an organic pigment.3. The packaging material for a power storage device of claim 1 , wherein the coating layer has a thickness of 3 to 30 μm.4. The packaging material for a power storage device of claim 1 , wherein the coating layer has been cured.5. The packaging material for a power storage device of claim 1 , wherein the coating layer is formed by coating. This application is a continuation application filed under 35 U.S.C. § 111(a) claiming the benefit under 35 U.S.C. §§ 120 and 365(c) of International Application No. PCT/JP2016/062420, filed on Apr. 19, 2016, which is based upon and claims the benefit of priority of Japanese Patent Application No. 2015-091770, filed on Apr. 28, ...

BATTERY CELL WITH ALUMINIUM CASE

Methods and systems provide for the manufacture of a cylindrical battery cell case that is changed from steel (or nickel-plated steel) to aluminum. With this change, spot welding the copper tab from the anode to the aluminum case will result in the copper and aluminum corroding over time—leading to early battery failure. To manufacture the battery with the aluminum case, one or more manufacturing changes are made including one or more of: 1. changing the polarity of the battery to spot weld the copper tab to a steel top of the battery; 2. coating the copper tab with a second material to prevent corrosion; and/or, 3. use a different welding method (e.g., a friction stir weld) to fuse the copper tab to the aluminum case. 1. A battery , comprising: an anode formed from a first sheet of a first material;', 'a cathode formed from a second sheet of a second material;', 'a first tab extending from the first sheet of material;', 'a second tab extending from the second sheet of material;, 'a battery core including a lamination, the lamination comprisinga top portion; anda case, wherein the case is made from aluminum.2. The battery of claim 1 , wherein the first tab is made from copper.3. The battery of claim 2 , wherein the second tab is made from aluminum.4. The battery of claim 3 , wherein the first tab is plated in a non-corrosive material.5. The battery of claim 4 , wherein the non-corrosive material is nickel.6. The battery of claim 5 , wherein the plated first tab is spot welded to the case.7. The battery of claim 3 , wherein the first tab is spot welded to the top portion.8. The battery of claim 7 , wherein the top portion is a negative terminal of the battery.9. The battery of claim 3 , wherein the copper of the first tab is mixed with the aluminum of the to the case.10. The battery of claim 9 , wherein the copper of the first tab is mixed with the aluminum of the to the case by a friction stir weld.11. A welding method claim 9 , comprising:providing an anode tab ...

CAP ASSEMBLY FOR SECONDARY BATTERY, SECONDARY BATTERY AND BATTERY MODULE

The present disclosure provides a cap assembly for a secondary battery, a secondary battery and a battery module. The cap assembly for the secondary battery includes a cap plate, a first electrode terminal, and a sealing member, wherein: the cap plate has an electrode lead-out hole; the first electrode terminal includes a first terminal board and a second terminal board connected with the first terminal board, wherein the first terminal board is located at a side of the second terminal board away from the cap plate, the second terminal board covers the electrode lead-out hole, and the material of the first terminal board and the material of the second terminal board have different base metals; the sealing member surrounds the electrode lead-out hole and is disposed between the cap plate and the first electrode terminal to seal the electrode lead-out hole. 1. A cap assembly for a secondary battery , comprising a cap plate , a first electrode terminal , and a sealing member , wherein:the cap plate has an electrode lead-out hole;the first electrode terminal comprises a first terminal board and a second terminal board connected with the first terminal board, wherein the first terminal board is located at a side of the second terminal board away from the cap plate, the second terminal board covers the electrode lead-out hole, and the material of the first terminal board and the material of the second terminal board have different base metals;the sealing member surrounds the electrode lead-out hole and is disposed between the cap plate and the first electrode terminal to seal the electrode lead-out hole.2. The cap assembly of claim 1 , wherein the sealing member is in close contact with the cap plate and the second terminal board.3. The cap assembly of claim 1 , wherein the first terminal board and the second terminal board form a composite board strip.4. The cap assembly of claim 1 , wherein the second terminal board further comprises an extension portion extending into ...

Electrically Isolated Battery Can Assembly

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

ANODE AND BATTERY

A battery capable of improving the cycle characteristics is provided. The battery includes a cathode, an anode, and an electrolytic solution. The anode includes an anode active material layer containing an anode active material having silicon as an element, and a coating layer that coats the anode active material layer, and contains an oxide of a 3d transition metal element at least one selected from the group consisting of iron, cobalt, and nickel. 1. An anode comprising:an anode active material layer having opposed first and second surfaces and containing an anode active material comprising a silicon material; anda coating layer that coats the first surface of the anode active material layer, the coating layer containing an oxide selected from the group consisting of FeO, CoO, NiO and combinations thereof, an alloy of silicon including at least one selected from the group consisting of tin, cobalt, manganese, zinc, indium, silver, germanium, bismuth and chromium, or', 'a compound of silicon including oxygen and carbon., 'wherein the silicon material is'}2. The anode according to claim 1 , wherein a thickness of the coating layer is in a range from 10 nm to 3000 nm.3. The anode according to claim 1 , wherein the anode active material layer has a multilayer structure.4. The anode according to claim 1 , wherein:the anode active material comprises oxygen; andan oxygen content in the anode active material is in a range from 3 atomic % to 40 atomic %.5. The battery according to claim 4 , wherein at least part of the oxygen in the anode active material is bonded to part of the silicon in a form of silicon monoxide claim 4 , silicon dioxide claim 4 , or a metastable state.6. The anode according to claim 1 , wherein:the anode active material layer comprises a plurality of layers including an oxygen-containing layer in which the anode active material comprises oxygen; andan oxygen content in the oxygen-containing layer is higher than an oxygen content in at least one of the ...

BATTERY CELLS AND ARRANGEMENTS

A battery cell unit is presented, the battery cell unit comprising: a metallic enclosure comprising: a first metallic case having a base tray and surrounding walls thereby defining an inner volume, a second metallic case-cover being configured for closing said inner volume, and a circumferential sealing material located along an interface between said first metallic case and said second metallic case cover to thereby seal said volume within the enclosure. The battery also comprises anode and cathode elements being separated between them by a separator. The anode and cathode elements and the separator are immersed in electrolytic liquid to thereby allow ion exchange between the anode and cathode elements while preventing direct contact between them. The anode and cathode elements are respectively electrically connected to the metallic enclosure and metallic case cover. 1. A battery cell unit comprising: a first metallic case having a base tray and surrounding walls to thereby define an inner volume;', 'a second metallic case cover configured for closing said inner volume; and', 'a circumferential sealing material located along an interface between said first metallic case and said second metallic case cover to thereby seal said volume within the enclosure;, 'a metallic enclosure comprisingan anode element;a cathode element; anda separator that separates the anode element and cathode element from each other;wherein said anode and cathode elements and the separator are immersed in electrolytic liquid to thereby allow ion exchange between the anode and cathode elements while preventing direct contact between the anode and cathode elements;wherein the anode and cathode elements are respectively electrically connected to the metallic enclosure and metallic case cover.2. The battery cell unit of claim 1 , wherein said second metallic case cover is configured as a clad layered case cover having a first layer of a first metal and a second layer of a second metal.3. The ...

Lithium-ion cell using aluminum can

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

METHOD OF FORMING A PACKAGE

A method of forming a package is provided and includes providing two laminate edge portions of the package, each of which includes a foil layer between first and second resin layers; and welding together the respective first resin layers at a first position spaced apart from the edges while not welding the respective first resin layers at the edges, wherein the edge portions include edges from which electrode terminals extend such that portions of the electrode terminals are exposed beyond the edges, and wherein the edge portions are between a sealing portion and exposed portions of positive and negative electrode terminals. 1. A method of forming a package , comprising:providing two laminate edge portions of the package, each of which includes a foil layer between first and second resin layers such that the respective first resin layers face each other and the respective second resin layers face away from each other and such that edges of the edge portions are in registration; and{'sub': 1', '2', '1', '2, 'welding together the respective first resin layers at a first position spaced apart from the edges while not welding the respective first resin layers at the edges such that, given a thickness of each laminate edge portion before being subjected to heat and compression is represented by t, a thickness of laminate portions at the first position is represented by t, and a thickness of laminate portions at the edges thereof is represented by t, then, t<2t Подробнее

METAL CAN BATTERY

This application relates to a battery system for reducing spacing between components in an electronic device. The battery system includes a housing surrounding an electrode assembly and a connection module. The housing is rigid or semi-rigid and connected to a common ground. The battery system can be positioned in the electronic device to contact components without damaging the components. In some embodiments, the battery system can be used as a structural element in the electronic component. 1. A battery system for use in an electronic device comprising:an electrically conductive housing including a first portion having a flange around its periphery and a second portion that overlaps with the first portion and is hermetically sealed to the first portion at the flange, the first and second portions combining to define an interior cavity;an electrode assembly disposed within the interior cavity and including an anode, a cathode, and a separator between the anode and cathode; anda connection terminal electrically coupled to the electrode assembly through an opening in the housing.2. The battery system of claim 1 , wherein the housing and the electrode assembly are electrically coupled to a common ground.3. The battery system of claim 1 , the housing comprising:a first area;sidewalls extending from the first area and forming a cavity for receiving the electrode assembly, the sidewalls having curved edges opposite the first area; anda second area generally parallel to the first area and connectable with the curved edges of the sidewalls to form a flanged edge.4. The battery system of claim 1 , wherein the connection terminal comprises a connection bar for coupling with the electrode assembly when the electrode assembly is disposed in the cavity.5. The battery system of further comprising a connection module disposed on an exterior of the housing for coupling between the battery system and electronic components.6. The battery system of claim 5 , wherein the connection ...

NONAQUEOUS ELECTROLYTE BATTERY AND MEMBER FOR NONAQUEOUS ELECTROLYTE BATTERY

A nonaqueous electrolyte battery includes a power generation element and a case for accommodating the power generation element. The power generation element includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. At least one selected from a group consisting of the positive electrode, the negative electrode, and the case includes stainless steel containing Sn. 1. A nonaqueous electrolyte battery comprising:a power generation element; anda case for accommodating the power generation element,wherein the power generation element includes a positive electrode, a negative electrode, and a nonaqueous electrolyte, andwherein at least one selected from a group consisting of the positive electrode, the negative electrode, and the case includes stainless steel containing Sn.2. The nonaqueous electrolyte battery according to claim 1 , whereinthe case includes a battery can, and a sealing plate for blocking an opening in the battery can, andat least one of the battery can and the sealing plate includes the stainless steel.3. The nonaqueous electrolyte battery according to claim 1 , wherein a positive electrode active material; and', 'a positive electrode current collector electrically coupled to the positive electrode active material, and, 'the positive electrode includesthe positive electrode current collector includes the stainless steel.4. The nonaqueous electrolyte battery according to claim 1 , wherein a negative electrode active material; and', 'a negative electrode current collector electrically coupled to the negative electrode active material, and, 'the negative electrode includesthe negative electrode current collector includes the stainless steel.5. The nonaqueous electrolyte battery according to claim 1 , whereina Cr content in the stainless steel is 13 mass % or more.6. The nonaqueous electrolyte battery according to claim 1 , whereina Cr content in the stainless steel is 25 mass % or less.7. The nonaqueous electrolyte battery according ...

Vehicle Having a High-Voltage Battery

Vehicle having a high-voltage battery which has a housing, wherein the housing has a housing floor which is essentially parallel to an underlying surface on which the vehicle is standing or travelling, a housing cover which is arranged spaced apart from the housing floor, housing walls via which the housing floor is connected to the housing cover. The housing has at least one housing structure plate which has a plane of maximum size which is perpendicular with respect to the housing floor and with respect to the housing cover, and an underside which faces the housing floor or is connected thereto, and an upper side which faces the housing cover or is connected thereto. In an interior space of the housing structure plate at least two parallel cooling ducts are provided, through which coolant or a cooling agent flows, and on a first side and a second side, lying opposite the first side, of the housing structure plate at least one electrical storage cell is respectively arranged, in particular a multiplicity of electrical storage cells are respectively arranged, wherein the storage cells each have a positive and a negative connecting pole. At least one connecting pole or both connecting poles of the storage cells is/are connected to the first and/or second side of the housing structure plate in a thermally conductive and electrically insulated fashion. 1. A vehicle having a high voltage battery , comprising: a housing bottom which is substantially parallel to a roadway on which the vehicle stands or drives;', 'a housing cover which is arranged spaced apart from the housing bottom;', 'housing walls, via which the housing bottom is connected to the housing cover;', a greatest flat plane which is perpendicular with respect to the housing bottom and the housing cover;', 'an underside which faces the housing bottom or connects to the housing bottom, and an upper side which faces the housing cover or connects to the housing cover;', 'at least one cooling duct provided in an ...

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

A non-aqueous electrolyte secondary battery is obtained by encasing, inside an outer casing formed of a laminate film, a power generating element containing a positive electrode obtained by forming, on the surface of a positive electrode current collector, a positive electrode active substance layer containing a positive electrode active substance, a negative electrode obtained by forming, on the surface of a negative electrode current collector, a negative electrode active substance layer containing a negative electrode active substance, and a separator, wherein the positive electrode active substance is made to contain a spinel type lithium manganese composite oxide and a lithium nickel-based composite oxide and the mixing ratio of the lithium nickel-based composite oxide is 30 to 70% by weight relative to the total 100% by weight of the spinel type lithium manganese composite oxide and the lithium nickel-based composite oxide. 1. A non-aqueous electrolyte secondary battery obtained by encasing , inside an outer casing formed of a laminate film , a power generating element comprising:a positive electrode obtained by forming, on the surface of a positive electrode current collector, a positive electrode active substance layer containing a positive electrode active substance;a negative electrode obtained by forming, on the surface of a negative electrode current collector, a negative electrode active substance layer containing a negative electrode active substance; anda separator, wherein{'sub': 2', '4', '2', '4', '2', '4, 'sup': '2', 'the positive electrode active substance contains LiMnOand a lithium-nickel-manganese-cobalt composite oxide, the mixing ratio of the lithium-nickel-manganese-cobalt composite oxide is 30 to 70% by weight relative to the total 100% by weight of LiMnOand the lithium-nickel-manganese-cobalt composite oxide, the ratio of the total amount of LiMnOand the lithium-nickel-manganese-cobalt composite oxide in 100% by weight of whole amount of ...

OUTER PACKAGE MATERIAL FOR LITHIUM-ION BATTERY AND METHOD FOR PRODUCING LITHIUM-ION BATTERY USING THE OUTER PACKAGE MATERIAL

A lithium-ion battery outer package material, provided with: a base layer, and a first adhesive layer, a metallic foil layer, a corrosion prevention treatment layer, a second adhesive layer, and a sealant layer sequentially layered on one of the surfaces of the base layer. When a tensile test (a sample of the substrate layer is stored for 24 hours in a 23° C. and 40% RH environment; a tensile test is subsequently performed in a 23° C. and 40% RH environment with the specimen width being 15 mm, the distance between gauge points being 50 mm, and the tensile speed being 100 mm/min; and the tensile elongation and tensile stress of the specimen are measured) is performed, the tensile elongation in a first direction, which is either the TD direction or the MD direction of the sample, relative to the length of the sample is from about not less than 50% to less than 80%, and the tensile stress in a second direction, which is perpendicular to the first direction, is from about not less than 150 to 230 MPa. 1. A method for producing an outer package material for a lithium-ion battery , the method comprising:forming a corrosion prevention treatment layer on a metallic foil layer;adhering a base layer to a first surface of the metallic foil layer with a first adhesive layer therebetween;adhering a sealant layer on a second surface of the metallic foil layer with a second adhesive layer therebetween;layering the first adhesive layer, the metallic foil layer, the corrosion prevention treatment layer, the second adhesive layer and the sealant layer sequentially on one surface of the base layer; andfolding a portion of the base layer to create a fold portion that is perpendicular to a machine direction.2. The method of claim 1 , further comprising:forming a molding area by pressing a part of the outer package material with a pressing member having a rectangular pressure surface toward a thickness direction of the outer package material.3. The method of claim 2 , further comprising: ...

Welding apparatus

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

STACKED BATTERY

In a stacked battery according to one aspect of the present disclosure, a first current collecting case includes: a first facing portion facing the electrode body in the stacking direction of the electrode body; and positive-electrode wall portions that extend from edge portions of the first facing portion so as to cover first side portions of the electrode body, and whose inner surfaces are electrically connected to edge sides of positive-electrode protruding portions. In the stacking direction of the electrode body, a second current collecting case includes: a second facing portion facing the electrode body in the stacking direction of the electrode body; and negative-electrode wall portions that extend from edge portions of the second facing portion so as to cover second side portions of the electrode body, and whose inner surfaces are electrically connected to edge sides of negative-electrode protruding portions. 1. A stacked battery comprising:an electrode body provided by alternately stacking a plurality of positive electrode plates and a plurality of negative electrode plates with separators interposed between the positive electrode plates and the negative electrode plates, each of the positive electrode plates including positive-electrode protruding portions protruding laterally from the negative electrode plate, each of the negative electrode plates including negative-electrode protruding portions protruding laterally from the positive electrode plate; anda case that is electric conductive and contains the electrode body inside the case, the case including: a first current collecting case that covers the electrode body from one side of the electrode body in a stacking direction of the electrode body; and a second current collecting case that is electrically insulated from the first current collecting case, and covers the electrode body from the other side of the electrode body in the stacking direction of the electrode body,the first current collecting case ...

STACKED BATTERY

A stacked battery includes a first current collecting case, a second current collecting case, and a third current collecting case, a first electrode body and a second electrode body. Each of The first current collecting case and the second current collecting case includes a positive electrode wall portion. Each of the second current collecting case and the third current collecting case includes a second negative electrode wall portion. 1. A stacked battery comprising: a plurality of positive electrode plates,', 'a plurality of negative electrode plates, and', 'each of the positive electrode plates and each of negative electrode plates being alternately stacked with each of the separators interposed between each of the positive electrode plates and each of the negative electrode plates;', 'a plurality of separators,'}], 'a first electrode body including'} a plurality of positive electrode plates,', 'a plurality of negative electrode plates, and', 'each of the positive electrode plates and each of negative electrode plates being alternately stacked with each of the separators interposed between each of the positive electrode plates and each of the negative electrode plates;', 'a plurality of separators,'}], 'a second electrode body including'}the second electrode body provided above the first electrode body,each positive electrode plate including a positive electrode protruding portion protruding more laterally than the negative electrode plate,each negative electrode plate including a negative electrode protruding portion protruding more laterally than the positive electrode plate;a first current collecting case being electrically conductive, the first current collecting case including a first facing portion facing the first electrode body in a stacking direction of the first electrode body and the second electrode body;a second current collecting case being electrically conductive, the second current collecting case housing the first electrode body, the second ...

Battery assembly techniques

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

Integrated electrical feedthroughs for walls of battery housings

Electrical feedthroughs are presented that are integrated within a wall of a battery housing. In some embodiments, an electrical feedthrough includes a battery housing defining an opening. The electrical feedthrough also includes a collar disposed around the opening and forming a single body with the wall. The electrical feedthrough also includes an electrically-conductive terminal disposed through the collar. The electrical feedthrough additionally includes an electrically-insulating material disposed between the collar and the electrically-conductive terminal and forming a seal therebetween. In some embodiments, the wall has a thickness equal to or less than 1 mm. In some embodiments, the collar protrudes into the battery housing. In other embodiments, the collar protrudes out of the battery housing. In some embodiments, a cross-sectional area of the electrically-conductive terminal is at least 40% of an area bounded by an outer perimeter of the collar. Batteries incorporating the electrical feedthroughs are also presented.

Cylindrical single-piece lithium-ion battery of 400Ah and its preparation method

A cylindrical single-piece lithium-ion battery of 400 Ah includes: a cylindrical battery enclosure (), a battery mandrel (), a plurality of tabs (), a wiring terminal (), a positive and negative electrode cover (); a positive electrode sheet, said battery positive electrode is composed of LiFePO, conductive carbon-black, graphite, adhesive such as PVDF, and solvent such as NMP; a negative electrode sheet, the battery negative electrode is composed of lithium titanate, conductive carbon-black, graphite, adhesive such as PVDF, and solvent such as NMP. The cylindrical lithium-ion battery made by the invention has a capacity of 400 Ah which is the one reportedly having the largest capacity in the world presently. 1. A cylindrical single-piece lithium-ion battery of 400 Ah comprising:{'b': 1', '3', '4', '6', '11, 'a cylindrical battery enclosure (), a battery mandrel (), a plurality of tabs (), a wiring terminal (), a positive and negative electrode cover ();'}{'sub': '4', 'a positive electrode sheet: said battery positive electrode is composed of LiFePO, conductive carbon-black, graphite, adhesive such as PVDF, and solvent such as NMP in weight % of 42.0-43.0:1.3-1.7:0.8-1.2:2.5-3.5:51.0-53.0; in addition, aluminum foil is used as current-collector;'}a negative electrode sheet: the battery negative electrode is composed of lithium titanate, conductive carbon-black, graphite, adhesive such as PVDF, and solvent such as NMP in weight % of 49.0-50.0:0.8-1.2:0.8-1.2:3.0-4.0:44.0-46.0; in addition, aluminum foil is used as current-collector.2. The cylindrical single-piece lithium-ion battery of 400 Ah according to claim 1 , wherein the wiring terminal is fixedly connected with the battery mandrel axially and further includes:{'b': 5', '7', '8', '9', '10', '12', '13, 'a supporting bracket (), a sliding ring (), a tab clamping nut (), an insulation cushion (), an O-shaped ring (), a wiring terminal clamping nut () and a locating screw ().'}3. The cylindrical single-piece ...

SEALANT FILM FOR PACKAGING MATERIAL OF POWER STORAGE DEVICE, PACKAGING MATERIAL FOR POWER STORAGE DEVICE, AND POWER STORAGE DEVICE

A sealant film has a structure made of a laminated body of two or more layers. The laminated body includes a first resin layer containing 50 mass % or more of a random copolymer containing propylene and a copolymer component other than propylene as copolymer components, and a second resin layer formed by a mixed resin containing a first elastomer-modified olefin based resin having a crystallization temperature of 105° C. or higher and a crystallization energy of 50 J/g or more, and a second elastomer-modified olefin based resin having a crystallization temperature is 85° C. or higher and a crystallization energy of 30 J/g or less. With this structure, when the inner pressure of a power storage device is excessively increased, breakage (separation) occurs inside the sealant layer, causing gas-releasing, which in turn can prevent bursting of the packaging material due to the inner pressure increase. 1. A sealant film for a packaging material of a power storage device , comprising:a laminated body of two or more layers,wherein the laminated body includesa first resin layer containing 50 mass % or more of a random copolymer containing propylene and another copolymer component other than propylene as copolymer components,a second resin layer formed by a mixed resin containing a first elastomer-modified olefin based resin having a crystallization temperature of 105° C. or higher and a crystallization energy of 50 J/g or more, and a second elastomer-modified olefin based resin having a crystallization temperature is 85° C. or higher and a crystallization energy of 30 J/g or less,wherein the first elastomer-modified olefin based resin is made of elastomer-modified homopolypropylene and/or elastomer-modified random copolymer,wherein the second elastomer-modified olefin based resin is made of elastomer-modified homopolypropylene and/or elastomer-modified random copolymer,wherein the elastomer-modified random copolymer is an elastomer-modified product of a random copolymer ...

SEALANT FILM FOR PACKAGING MATERIAL OF POWER STORAGE DEVICE, PACKAGING MATERIAL FOR POWER STORAGE DEVICE, AND POWER STORAGE DEVICE

A sealant film has a structure made of a laminated body of two or more layers. The laminated body includes a first resin layer containing 50 mass % or more of a random copolymer containing propylene and a copolymer component other than propylene as copolymer components, and a second resin layer formed by a mixed resin containing a first elastomer-modified olefin based resin having a melting point of 155° C. or higher and a crystal melting energy of 50 J/g or more, and a second elastomer-modified olefin based resin having a melting point is 135° C. or higher and a crystal melting energy of 30 J/g or less. With this structure, when the inner pressure of a power storage device is excessively increased, breakage (separation) occurs inside the sealant layer, causing gas-releasing, which in turn can prevent bursting of the packaging material due to the inner pressure increase. 1. A sealant film for a packaging material of a power storage device , comprising:a laminated body of two or more layers,wherein the laminated body includesa first resin layer containing 50 mass % or more of a random copolymer containing propylene and another copolymer component other than propylene as copolymer components,a second resin layer formed by a mixed resin containing a first elastomer-modified olefin based resin having a melting point of 155° C. or higher and a crystal melting energy of 50 J/g or more, and a second elastomer-modified olefin based resin having a melting point is 135° C. or higher and a crystal melting energy of 30 J/g or less,wherein the first elastomer-modified olefin based resin is made of elastomer-modified homopolypropylene and/or elastomer-modified random copolymer,wherein the second elastomer-modified olefin based resin is made of elastomer-modified homopolypropylene and/or elastomer-modified random copolymer,wherein the elastomer-modified random copolymer is an elastomer-modified product of a random copolymer containing propylene and another copolymer component ...

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

A non-aqueous electrolyte secondary battery includes at least a negative electrode including a negative electrode mixture, a positive electrode, and an electrolytic solution including an electrolyte and a solvent. The negative electrode mixture includes a negative electrode active material powder, the negative electrode active material powder includes a carbon-based material and a silicon-based material, a mixing ratio of the carbon-based material to the silicon-based material (carbon-based material (mass %)/silicon-based material (mass %)) is 90 mass %/10 mass % to 0 mass %/100 mass %. 1. A non-aqueous electrolyte secondary battery comprising:a negative electrode including a negative electrode mixture;a positive electrode; andan electrolytic solution including an electrolyte and a solvent,wherein the negative electrode mixture includes a negative electrode active material powder,the negative electrode active material powder includes a carbon-based material and a silicon-based material,a mixing ratio of the carbon-based material to the silicon-based material (carbon-based material (mass %)/silicon-based material (mass %)) is from 90 mass %/10 mass % to 0 mass %/100 mass %,{'sup': '+', 'a negative electrode potential at a point of a battery voltage of 0 V is 3.2 Vvs(Li/Li) or less in a deep discharging at a current rate of 0.001 ItA reaching the battery voltage of 0 V, and an electrolyte concentration in the negative electrode mixture is higher than an electrolyte concentration in the electrolytic solution.'}2. The non-aqueous electrolyte secondary battery according to claim 1 , wherein the negative electrode potential at the point of the battery voltage of 0 V is 3.15 Vvs(Li/Li) or less in the deep discharging at the current rate of 0.001 ItA reaching the battery voltage of 0 V3. The non-aqueous electrolyte secondary battery according to claim 1 , further comprising a battery can including an iron-containing base material claim 1 ,wherein the iron-containing base ...

RECHARGEABLE BATTERY

A rechargeable battery includes a conductive case including a bottom part and a wall part extending from a periphery of the bottom part, an electrode assembly including a positive electrode and a negative electrode, and accommodated in the case, a cap plate opposite to the bottom part and electrically connected to the case, a positive terminal fixed to the cap plate and electrically connected to the cap plate, a negative terminal fixed to the cap plate and electrically insulated from the cap plate, a positive electrode tab extending from the positive electrode and electrically connected to the bottom part, and a negative electrode tab extending from the negative electrode, facing the positive electrode tab, and electrically connected to the negative terminal, wherein a length of the cap plate in a first direction is less than a height of the wall part in a second direction. 1. A rechargeable battery comprising:a conductive case comprising a bottom part and a wall part extending from a periphery of the bottom part;an electrode assembly comprising a positive electrode and a negative electrode, and accommodated in the case;a cap plate opposite to the bottom part and electrically connected to the case;a positive terminal fixed to the cap plate and electrically connected to the cap plate;a negative terminal fixed to the cap plate and electrically insulated from the cap plate;a positive electrode tab extending from the positive electrode and electrically connected to the bottom part; anda negative electrode tab extending from the negative electrode, the negative electrode facing the positive electrode tab and being electrically connected to the negative terminal,wherein a length of the cap plate in a first direction is less than a height of the wall part in a second direction.2. The rechargeable battery of claim 1 , wherein the bottom part and the positive electrode tab are welded to each other claim 1 , and a welding part is located at an outer surface of the bottom part ...

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

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

PACKAGING MATERIAL, CASE, AND POWER STORAGE DEVICE

The packaging material includes a heat-resistant resin layer as an outer side layer, a heat-fusible resin layer as an inner side layer, and a metal foil layer arranged between these layers. The heat-resistant resin layer is made of a heat-resistant resin film having a hot water shrinkage rate of 1.5% to 12% and the heat-resistant resin layer and the metal foil layer are adhered via an outer side adhesive layer . The adhesive layer is formed by an urethane adhesive agent containing a polyol, a polyfunctional isocyanate compound, and an aliphatic compound containing a plurality of functional groups capable of reacting with an isocyanate group in one molecule. With this, a packaging material can be provided in which excellent formability can be secured and delamination can be sufficiently suppressed without causing pinholes, etc., even when deep depth drawing is performed. 1. A packaging material comprising:a heat-resistant resin layer as an outer side layer;a heat-fusible resin layer as an inner side layer; anda metal foil layer arranged between the heat-resistant resin layer and the heat-fusible resin layer,wherein the heat-resistant resin layer is made of a heat-resistant resin film having a hot water shrinkage rate of 1.5% to 12%,wherein the heat-resistant resin layer and the metal foil layer are adhered via an outer side adhesive layer, andwherein the outer side adhesive layer is made of an urethane adhesive agent containing a polyol, a polyfunctional isocyanate compound, and an aliphatic compound having a plurality of functional groups capable of reacting with an isocyanate group in one molecule.2. The packaging material as recited in claim 1 , wherein the polyol is a polyester polyol.3. The packaging material as recited in claim 2 ,wherein the polyester polyol includes a dicarboxylic acid component, andwherein the dicarboxylic acid component contains an aromatic dicarboxylic acid, and a content rate of the aromatic dicarboxylic acid in the dicarboxylic acid ...

PACKAGING MATERIAL FOR POWER STORAGE DEVICE AND POWER STORAGE DEVICE USING THE PACKAGING MATERIAL

The present invention relates to a packaging material for a power storage device including at least a substrate layer, an adhesive layer, a metal foil layer, an anti-corrosion treatment layer, an adhesive resin layer and a thermal bonding resin layer laminated in this order, wherein a thickness of the adhesive layer is in a range of 0.3 to 3 μm, a 10-point average roughness Rzjis (in accordance with JIS B0601) of a surface of the metal foil layer which faces the substrate layer is in a range of 0.3 to 3 μm, and the thickness of the adhesive layer is not less than the 10-point average roughness Rzjis and not more than 3 μm, and a peel strength between the substrate layer and the metal foil layer (in accordance with JIS K6854-3) is in a range of 5 to 12 N/15 mm. 1. A packaging material for a power storage device , the packaging material comprising at least a substrate layer , an adhesive layer , a metal foil layer , an anti-corrosion treatment layer , an adhesive resin layer and a thermal bonding resin layer laminated in this order , whereina thickness of the adhesive layer is in a range of 0.3 to 3 μm,a 10-point average roughness Rzjis in accordance with JIS B0601 of a surface of the metal foil layer which faces the substrate layer is in a range of 0.3 to 3 μm, and the thickness of the adhesive layer is not less than the 10-point average roughness Rzjis and not more than 3 μm, anda peel strength between the substrate layer and the metal foil layer in accordance with JIS K6854-3 is in a range of 5 to 12 N/15 mm.2. The packaging material for a power storage device of claim 1 , wherein a ratio of a thickness X of the substrate layer to a thickness Y of the adhesive layer claim 1 , X/Y claim 1 , is in a range between 4 and 50.3. The packaging material for a power storage device of claim 1 , wherein the adhesive layer is made of a two-part curable urethane-based adhesive in which a base resin including polyol is configured to react with a hardener including bifunctional ...

BATTERY

The invention relates to a battery having a cell arrangement. The cell arrangement has a plurality of battery cells. The cell arrangement has battery sections, each including a battery cells. Between adjacent battery sections, an at least partially electrically and thermally conductive contacting section element having a first side and a second side is arranged. The end terminals facing the first side of a contacting section element are electrically and thermally conductively connected to a contacting section of this first side. The end terminals facing the second side of the contacting section element are electrically and thermally conductively connected to a contacting section of this second side. End terminals of the battery cells are electrically and thermally conductively connected to each other via the contacting section element such that an electric current and a heat flow are distributed throughout the entire cell assembly. 1. A battery comprising a cell arrangement , wherein the cell arrangement has a plurality of battery cells , wherein the cell arrangement has at least two battery sections and each battery section consists of a plurality of battery cells , wherein each battery cell has a first and a second end terminal and wherein between the first and the second end terminal of each battery cell a battery cell longitudinal axis extends , wherein the battery cell longitudinal axes of each battery section are each arranged parallel to each other , and wherein the battery sections are arranged adjacent to each other , wherein between at least two adjacent battery sections , an at least partially electrically and thermally conductive contacting section element having a first side and a second side is arranged , that has each on the first side and on the second side at least one electrically and thermally conductive contacting section , wherein the battery sections are arranged relative to each other such that to each battery section a plane can be assigned ...

ELECTROCHEMICAL CELL CASING HAVING AN OPEN-ENDED MAIN BODY PORTION OF GRADE 5 OR 23 TITANIUM CLOSED BY UPPER AND LOWER LIDS OF GRADE 1 OR 2 TITANIUM

An electrochemical cell, preferably a secondary, rechargeable cell, including a casing comprised of a main body portion having opposed lower and upper open ends closed by respective lower and upper lids is described. The main body portion is composed of titanium Grades 5 or 23 having a relatively high electrical resistivity material while the lower and upper lids are composed of titanium Grades 1 or 2. The lids are preferably joined to the main body portion using laser welding. The combination of these differing titanium alloys provides a cell casing that effectively retards eddy current induced heating during cell recharging. 1. An electrochemical cell , comprising: i) a main body portion formed of Grade 5 titanium or Grade 23 titanium, the main body portion comprising a sidewall extending to a first open end spaced from a second open end;', 'ii) a first lid of Grade 1 titanium or Grade 2 titanium, the first lid being sized and shaped to close the first open end of the main body portion, wherein a first weld secures the first lid to the sidewall at the first open end thereof; and', 'iii) a second lid of Grade 1 titanium or Grade 2 titanium, the second lid being sized and shaped to close the second open end of the main body portion, wherein a second weld secures the second lid to the sidewall at the second open end thereof; and, 'a) a casing, comprisingb) an electrode assembly comprising an anode and a cathode separated from direct physical contact by a separator, wherein the electrode assembly resides within the casing; andc) an electrolyte provided in the casing to activate the electrode assembly.2. The electrochemical cell of wherein the casing sidewall has a constant thickness extending to the spaced apart first and second open ends.3. The electrochemical cell of wherein the first and second welds securing the first and second lids to the main body portion are capable of withstanding a burst pressure that ranges from about 800 psi to about 1 claim 1 ,500 psi.4. ...

FILM-COVERED BATTERY

A film-covered battery houses, in a film covering material obtained by stacking a heat sealing layer , a barrier layer , and a protective layer , a battery element obtained by arranging positive and negative electrodes through separators and has a sealing portion that seals a periphery of the film covering material housing the battery element . The sealing portion includes an agglomeration/sealing portion and a first interface bonding portion provided so as to be adjacent to the battery element housing portion side of the agglomeration/sealing portion. 1. A film-covered battery that houses , in a film covering material obtained by stacking a heat sealing layer , a barrier layer , and a protective layer , a battery element obtained by arranging positive and negative electrodes through separators and that has a sealing portion that seals a periphery of the film covering material housing the battery element , the sealing portion comprising: an agglomeration/sealing portion; and a first interface bonding portion having a bonding interface between the film covering materials , the first interface bonding portion being provided so as to be adjacent to the battery element housing portion side of the agglomeration/sealing portion , wherein a curved portion is formed in at least a part of a bonding boundary of the first interface bonding portion.2. (canceled)3. The film-covered battery according to claim 1 , further comprisinga resin mass formed in the vicinity of a part of the sealing portion on the battery element housing portion side.4. The film-covered battery according to claim 3 , whereinthe resin mass and sealing portion are integrally formed with each other or disposed adjacent to each other.5. The film-covered battery according to claim 4 , further comprisinga second interface bonding portion having a bonding interface between the film covering material materials formed inside the resin mass.6. The film-covered battery according to claim 5 , further comprisinga ...

BATTERY PACKAGE STRUCTURE

An apparatus comprises an electrochemical energy storage device, a non-conductive film at least partially covering the electrochemical energy storage device, and a nano-grain metallic film at least partially covering the non-conductive film. The electrochemical energy storage device may include a cathode electrode layer, an anode electrode layer, and a separator layer therebetween. 1. A method comprising:electroforming a first nano-grain metallic film onto a patterned first non-conductive film to produce a protective film; andat least partially covering an electrochemical energy storage device with the protective film, wherein the patterned first non-conductive film is in physical contact with the electrochemical energy storage device.2. The method of claim 1 , wherein the patterned first non-conductive film includes micro-arches.3. The method of claim 1 , wherein the patterned first non-conductive film comprises (i) a first side having a first set of nano-structures aligned in a first direction and (ii) a second side having a second set of nano-structures aligned in a second direction substantially perpendicular to the first direction claim 1 , the method further comprising:electroforming the first nano-grain metallic film on the first side of the patterned first non-conductive film; andbefore at least partially covering the electrochemical energy storage device with the protective film, electroforming a second nano-grain metallic film onto the second side of the patterned first non-conductive film.4. The method of claim 3 , wherein the first or the second set of nano-structures comprise micro-arches.5. The method of claim 1 , further comprising forming a second non-conductive film at least partially covering the protective film.6. The method of claim 5 , further comprising printing a pattern on the second nonconductive film.7. The method of claim 1 , further comprising creating an interface including an adhesive between a second non-conductive film and the first ...

Battery module and method of assembling the battery module

A battery module having first and second battery cells, a u-shaped frame member, a thermally conductive layer, a top cover plate, and first and second side cover plates is provided. The u-shaped frame member has a bottom wall and first and second side walls coupled to the bottom wall that extend upwardly from the bottom wall. The u-shaped frame member defines an interior space that holds the first and second battery cells therein. The first and second battery cells are disposed directly on the thermally conductive layer. The top cover plate is coupled to the first and second side walls to enclose a top open region of the u-shaped frame member. The first side cover plate that is coupled to the top cover plate and the bottom wall to enclose a first side open region of the u-shaped frame member.

Electrical energy storage cell with integrated bridging device

The present invention describes an electrical energy storage cell with a bridging device. The energy storage cell has an at least partially electrically conductive housing ( 10 ), at least two terminals ( 11, 12 ) on the housing ( 10 ), of which a first terminal ( 12 ) is insulated from the housing ( 10 ) and a second terminal ( 11 ) is electrically conductively connected to the housing ( 10 ), and a bridging device, which can be actuated by an external signal to connect the two terminals ( 11, 12 ) of the energy storage cell electrically to each other. The energy storage cell is characterised in that the bridging device acts between the first terminal ( 12 ) and the housing ( 10 ) of the energy storage cell. A robust construction which is inexpensive to assemble can be implemented as a result.

SECONDARY BATTERY

The secondary battery includes a case in which a positive electrode lead and a negative electrode lead are provided, wherein the case includes an external layer exposed to the outside, an insulation layer disposed in the case and insulated, a conductive layer stacked between the external layer and the insulation layer, made of a conductive material, and having one side coming into contact with the positive electrode lead and the other side coming into contact with the negative electrode lead, and a safety member disposed at a center of the conductive layer to prevent electricity from flowing through the conductive layer at a predetermined temperature or less and melted at the predetermined temperature or more to allow the electricity to flow through the conductive layer. 1. A secondary battery comprising:a case in which a positive electrode lead and a negative electrode lead are provided,wherein the case comprises:an external layer exposed to the outside;an insulation layer disposed in the case and insulated;a conductive layer stacked between the external layer and the insulation layer made of a conductive material, and having one side coming into contact with the positive electrode lead and the other side coming into contact with the negative electrode lead; anda safety member disposed at a center of the conductive layer to prevent electricity from flowing through the conductive layer at a predetermined temperature or less and melted at the predetermined temperature or more to allow the electricity to flow through the conductive layer.2. The secondary battery of claim 1 , wherein the external layer is made of a nylon material claim 1 , the insulation layer is made of a polymer material claim 1 , the conductive layer is made of an aluminum material claim 1 , and the safety member is made of polyethylene (PE).3. The secondary battery of claim 1 , wherein at least a portion of the insulation layer between the conductive layer and the positive electrode lead is removed ...

SELF-HEALING BATTERY PACK CELL-FOIL COMPOSITE

A battery pouch cell film composite having at least one metal layer, at least two adhesion promotion layers, and at least two polymer layers, at least one of the polymer layers being configured in self-healing fashion and that layer having in the interior physically delimited regions that contain at least one compound capable of polymerization. 1. A battery pouch cell film composite , comprising:at least one metal layer;at least two adhesion promotion layers; andat least two polymer layers;wherein at least one of the polymer layers is configured in a self-healing manner and has in the interior physically delimited regions that contain at least one compound capable of polymerization.2. The composite of claim 1 , wherein the self-healing polymer layer encompasses in the interior physically delimited regions having at least two different compounds capable of polymerization.3. The composite of claim 1 , wherein the compound capable of polymerization contains at least one functional group from the group encompassing alkene claim 1 , alkine claim 1 , hydroxy claim 1 , thiol claim 1 , amino claim 1 , carboxy claim 1 , cyano claim 1 , isocyano claim 1 , epoxide claim 1 , acrylic claim 1 , silane claim 1 , silanol claim 1 , alkoxy claim 1 , aldehyde claim 1 , carboxylic acid anhydride claim 1 , carboxylic acid chloride claim 1 , halogen claim 1 , methacrylic claim 1 , lactone.4. The composite of claim 1 , wherein the self-healing polymer layer contains a polymerization catalyst physically separately from at least one compound capable of polymerization.5. The composite of claim 1 , wherein the compound capable of polymerization is suitable for at least one of metathesis polymerization claim 1 , polycondensation claim 1 , and hydrosilylation.6. The composite of claim 1 , wherein the physically delimited regions having the compound capable of polymerization is larger than or equal to 1 μm and smaller than or equal to 300 μm.7. The composite of claim 1 , wherein the self-healing ...

Receptacle Device, Battery, and Motor Vehicle

A receptacle device for at least one electrode assembly includes a metal housing and a metal. The housing and the cover each are a prismatic shape with a base surface, side walls and an aperture. The aperture lies opposite the base surface. The base surface of the cover is at least one wall thickness of the side walls of the cover larger than the base surface of the housing. The receptacle device further includes a measuring device configured to measure at least one measurement variable. The measuring device is arranged on an edge of the aperture of the housing or of the cover. The measurement variable is a value for at least one of a voltage, a current strength, and a temperature. 1. A receptacle device for at least one electrode assembly , comprising:a metal housing and a metal cover, the housing and the cover each being a prismatic shape with a base surface, side walls and an aperture opposite the base surface; anda measuring device configured to measure at least one measurement variable,wherein the base surface of the cover is at least one wall thickness of the side walls of the cover larger than the base surface of the housing,wherein the measuring device is arranged on an edge of the aperture of the housing or of the cover, andwherein the measurement variable is a value for at least one of a voltage, a current strength, and a temperature.2. The receptacle device as claimed in claim 1 , wherein cutouts are arranged on the edge of both sides of the measuring device and the terminals of the electrode assembly can are configured to be guided outwards through said cutouts.3. The receptacle device as claimed in claim 2 , wherein an electrical insulation is arranged in the cutouts claim 2 , said electrical insulation configured to insulate in an electrical manner the terminals from at least one of the housing and the cover claim 2 , said terminals being guided outwards through the cutouts.4. A battery comprising:at least one electrode assembly in a receptacle device, ...

Non-Aqueous Electrolyte Secondary Battery

A non-aqueous electrolyte secondary battery includes: a negative electrode active material represented by the Formula (1)=α (Si material)+β (carbon material), wherein the Si material is one or more kinds selected from the group consisting of SiOthat is a mixture of amorphous SiOparticles and Si particles and a Si-containing alloy; α and β represent % by mass of each component in the layer; and 80≤α+β≤98, 0.1≤α≤40, and 58≤β≤97.9 are satisfied, and a difference between the maximum value and the minimum value of an area proportion (%) of a binder in an area of the field of view of each image of cross-sections of the layer in a case where a plurality of arbitrary places is selected in a plane of the negative electrode active material layer is within 10%. 1. A non-aqueous electrolyte secondary battery which has a ratio value of a battery volume , defined as a product of a projected area and a thickness of the battery including a battery outer casing body , to a rated capacity of 10 cm/Ah or less and a rated capacity of 3 Ah or more , the battery comprising: a positive electrode comprising a positive electrode active material layer containing a positive electrode active material formed on a surface of a positive electrode current collector,', 'a negative electrode comprising a negative electrode active material layer containing a negative electrode active material formed on a surface of a negative electrode current collector, and', 'a separator, wherein, 'a power generating element including'} {'br': None, 'α(Si material)+β(carbon material)\u2003\u2003(1)'}, 'the negative electrode active material layer comprises a negative electrode active material represented by the following Formula (1)'}wherein the Si material is a Si-containing alloy; the carbon material is one or two or more kinds selected from the group consisting of graphite, non-graphitizable carbon, and amorphous carbon, α and β represent % by mass of each component in the negative electrode active material ...

Electrode assembly, and lithium ion electric roll using the electrode assembly

An electrode assembly and a lithium ion electric roll having the same are provided. Also provided is a battery, which includes: a first layer; a second layer located at the side of a surface of the first layer, exposed from the first layer in a first direction view which is perpendicular to a first surface of the first layer; a third layer tucking at least one portion of the second layer with the first layer in the first direction view, being exposed from the second layer in the first direction view; and a conductive plate protruding from a second side of the first layer in the first direction view.

SURFACE-TREATED STEEL SHEET FOR BATTERY CONTAINERS, BATTERY CONTAINER, AND BATTERY

A surface-treated steel sheet for battery containers is provided. The surface-treated sheet is used to form a battery container for a battery. The battery uses a nonaqueous electrolytic solution as an electrolytic solution. The surface-treated steel sheet includes a base material made of steel and an iron-nickel diffusion layer formed by performing thermal diffusion treatment after forming a nickel plating layer at least on a surface of the base material to be located at the inner surface side of the battery container. The iron-nickel diffusion layer has an outermost layer of which a ratio of Ni and Fe is 7.5 or less as a molar ratio of Ni/Fe. The iron-nickel diffusion layer has a thickness of 0.6 μm or more. 1. A surface-treated steel sheet for battery containers , the surface-treated steel sheet being used to form a battery container for a battery , the battery using a nonaqueous electrolytic solution as an electrolytic solution , comprising:a base material made of steel; andan iron-nickel diffusion layer formed by performing thermal diffusion treatment after forming a nickel plating layer at least on a surface of the base material to be located at an inner surface side of the battery container, whereinthe iron-nickel diffusion layer has an outermost layer of which a ratio of Ni and Fe is 7.5 or less as a molar ratio of Ni/Fe, and the iron-nickel diffusion layer has a thickness of 0.6 μm or more.2. The surface-treated steel sheet according to claim 1 , wherein the ratio of Ni/Fe of the iron-nickel diffusion layer is within a range of 6.13 to 7.33.3. The surface-treated steel sheet according to claim 1 , wherein the ratio of Ni/Fe of the iron-nickel diffusion layer is within a range of 0.19 to 0.36.4. The surface-treated steel sheet according to claim 1 , wherein the nickel plating layer before performing the thermal diffusion treatment has a thickness of 1.0 μm or less.5. A battery container for a battery claim 1 , the battery using a nonaqueous electrolytic ...

Lithium Secondary Battery and Method of Fabricating the Same

A lithium secondary battery includes a cathode formed from a cathode active material including a first cathode active material particle and a second cathode active material particle, an anode and a separator interposed between the cathode and the anode. The first cathode active material particle includes a lithium metal oxide including a continuous concentration gradient in at least one region between a central portion and a surface portion. The second cathode active material particle includes a constant concentration composition. 1. A lithium secondary battery , comprising:a cathode formed from a cathode active material including a first cathode active material particle and a second cathode active material particle;an anode; anda separator interposed between the cathode and the anode,wherein the first cathode active material particle includes a lithium metal oxide including a continuous concentration gradient in at least one region between a central portion and a surface portion, andwherein the second cathode active material particle includes a lithium metal oxide having a constant concentration composition.2. The lithium secondary battery according to claim 1 , wherein the first cathode active material particle includes a first metal having a continuously decreasing concentration between the central portion and the surface portion claim 1 , and a second metal having a continuously increasing concentration between the central portion and the surface portion.3. The lithium secondary battery according to claim 2 , wherein the first cathode active material particle further includes a third metal having a constant concentration from the central portion to the surface portion.4. The lithium secondary battery according to claim 3 , wherein the first cathode active material particle is represented by the following Chemical Formula 1:{'br': None, 'sub': x', 'a', 'b', 'c', 'y, 'LiM1M2M3O\u2003\u2003[Chemical Formula 1]'}wherein, in the Chemical Formula 1 above, M1 , M2 and ...

Lithium Secondary Battery and Method of Fabricating the Same

A lithium secondary battery includes a cathode formed from a cathode active material including a first cathode active material particle and a second cathode active material particle, an anode and a separator interposed between the cathode and the anode. The first cathode active material particle includes a lithium metal oxide including a continuous concentration gradient in at least one region between a central portion and a surface portion. The second cathode active material particle includes a lithium metal oxide including at least two metals except for lithium which have constant concentrations from a central portion to a surface, and the second cathode active material particle includes an excess amount of nickel among the metals except for lithium.

RECHARGEABLE BATTERY

A rechargeable battery according to an exemplary embodiment may include: an electrode assembly including an electrode provided with a coated region and an uncoated region tab at opposite sides of a separator and configured to be spirally wound; an insulating case to accommodate and electrically insulate the electrode assembly; a case to accommodate the insulating case; and a cap plate including an electrolyte injection opening for injecting an electrolyte solution and combined with an opening of the case, wherein the insulating case may include: an internal electrolyte injection opening corresponding to the electrolyte injection opening; a pillar around the internal electrolyte injection opening protruding toward an inner side of the cap plate; and a valve flap that rotates via a hinge, induces injection of the electrolyte solution, and prevents backflow of the electrolyte solution. 1. A rechargeable battery comprising:an electrode assembly including an electrode provided with a coated region and an uncoated region tab at opposite sides of a separator;an insulating case to accommodate and electrically insulate the electrode assembly;a case to accommodate the insulating case; anda cap plate including an electrolyte injection opening for injecting an electrolyte solution and combined with the case,wherein the insulating case includes:an internal electrolyte injection opening corresponding to the electrolyte injection opening;a pillar around the internal electrolyte injection opening protruding toward an inner side of the cap plate; anda valve flap that rotates via a hinge, induces injection of the electrolyte solution, and prevents backflow of the electrolyte solution.2. The rechargeable battery as claimed in claim 1 , whereinthe valve flap is a plurality of valve flaps around the internal electrolyte injection opening and along a circumferential direction of the internal electrolyte injection opening.3. The rechargeable battery as claimed in claim 2 , whereinan ...

Method of Manufacturing a Lithium Ion Battery

A method of manufacturing a lithium ion battery includes: attaching a lid to a first main surface of a first substrate, the lid including a conductive coves element; forming a cavity between the lid and the first substrate; forming an anode comprising a component made of a semiconductor material at the first substrate; forming a cathode at the lid; and filling an electrolyte into the cavity. 1. A method of manufacturing a lithium ion battery , the method comprising:attaching a lid to a first main surface of a first substrate, the lid comprising a conductive cover element;forming a cavity between the lid and the first substrate;forming an anode comprising a component made of a semiconductor material at the first substrate;forming a cathode at the lid; andfilling an electrolyte into the cavity.2. The method of claim 1 , wherein the lid is attached to the first main surface of the first substrate after filling the electrolyte into the cavity.3. The method of claim wherein forming the anode comprises patterning the first substrate to form grooves.4. The method of claim 1 , wherein forming the lid comprises providing a metal foil.5. The method of claim 1 , wherein the lid is attached to the first main surface of the first substrate by a method selected from the group consisting of thermal bonding claim 1 , bonding using UV curable adhesive and anodic bonding.6. The method of claim 1 , wherein forming the lid comprises attaching a conductive cover element to a first main surface of a second substrate.7. The method of claim 6 , wherein a lateral extension of the conductive cover element is selected so that an edge portion of the second substrate is uncovered.8. The method of claim 6 , wherein the second substrate is made of an insulating material.9. The method of claim 7 , wherein the lid is attached to the first main surface of the first substrate by bonding using UV curable adhesive claim 7 , and wherein UV radiation is transmitted through the uncovered edge portion of ...

BATTERY PACKAGING MATERIAL, METHOD FOR MANUFACTURING SAME, METHOD FOR DETERMINING DEFECT DURING MOLDING OF BATTERY PACKAGING MATERIAL, AND ALUMINUM ALLOY FOIL

A battery packaging material has a very thin aluminum alloy foil with a thickness of not more than 40 μm, in which pinholes or cracks are unlikely to occur during molding, which has excellent moldability and appearance after molding, which is unlikely to be erroneously determined to be a defective product, and which makes highly accurate defect determination possible. The battery packaging material includes a stacked member provided with at least, in this order: a base material layer; an aluminum alloy foil layer; and a heat sealable resin layer, wherein: the aluminum alloy foil layer has a thickness of not more than 40 μm; the aluminum alloy foil layer is an aluminum alloy conforming to JIS standard A8021; and the aluminum alloy has a maximum crystal grain size of not more than 25 μm, and an average crystal grain size of not more than 10 μm. 1. A battery packaging material comprising a laminate that includes at least a base material layer , an aluminum alloy foil layer , and a heat-weldable resin layer in this order ,the aluminum alloy foil layer having a thickness of 35 μm or less,the aluminum alloy foil layer being an aluminum alloy conforming to JIS A8021, andthe aluminum alloy having a maximum crystal grain size of 14 μm or less and an average crystal grain size of 9 μm or less.2. The battery packaging material according to claim 1 , comprising:a substantially rectangular parallelepiped space that extrudes from a heat-weldable resin-layer side to a base material-layer side of the battery packaging material and stores a battery element on the heat-weldable resin-layer side; anda curved section from a center portion to an end part of the battery packaging material in a cross-section along thickness of the battery packaging material on a straight line connecting mutually opposing corners of a portion extruding in substantially rectangular shape, the corners and the straight line being shown in plan view of the battery packaging material from the base material- ...

MATERIALS FOR POWER STORAGE DEVICES AND POWER STORAGE DEVICES USING THE SAME

A power storage device packaging material includes a structure including at least a substrate layer, an adhesive layer, a metal foil layer, a sealant adhesive layer, and a sealant layer, which are laminated in this order, wherein the adhesive layer has a yield stress in the range of 3500 to 6500 N/cmand breaking elongation of 45 to 200% in a stress-strain curve determined by a tensile test at a tension rate of 6 mm/min. A power storage device packaging material according to the second aspect of the present disclosure includes a structure including at least a substrate layer, an adhesive layer, a metal foil layer, an anticorrosion treatment layer, a sealant adhesive layer, and a sealant layer, which are laminated in this order, wherein the adhesive layer has a glass transition temperature in a range of 140° C. or more and 160° C. or less. 1. A power storage device packaging material , comprising:a structure including at least a substrate layer, an adhesive layer, a metal foil layer, a sealant adhesive layer, and a sealant layer, which are laminated in this order, and,{'sup': '2', 'wherein the adhesive layer has a yield stress in the range of 3500 to 6500 N/cmand breaking elongation of 45 to 200% in a stress-strain curve determined by a tensile test at a tension rate of 6 mm/min.'}2. The power storage device packaging material of claim 1 , further comprising an adhesion-enhancing treatment layer provided between the substrate layer and the adhesion layer.3. The power storage device packaging material of claim 2 , wherein the adhesion-enhancing treatment layer is a layer including at least one resin selected from a group consisting of a polyester resin claim 2 , an acrylic resin claim 2 , a polyurethane resin claim 2 , an epoxy resin claim 2 , and an acrylic grafted polyester resin.4. The power storage device packaging material of claim 1 , further comprising anticorrosion treatment layers respectively provided on both surfaces of the metal foil layer.5. The power ...

CYLINDRICAL SECONDARY BATTERY INCLUDING STRUCTURE CONFIGURED TO BLOCK LASER BEAM FOR WELDING AND BATTERY PACK INCLUDING THE SAME

A cylindrical secondary battery including a cylindrical battery case configured to receive an electrode assembly and an electrolytic solution, a cap assembly located on the open upper end of the cylindrical battery case, and a jelly-roll type electrode assembly configured to have a structure in which a positive electrode sheet and a negative electrode sheet are wound in the state in which a separator is interposed therebetween, wherein a protective layer, made of a material that exhibits high thermal conductivity, is formed on at least a portion of the inner surface of the cylindrical battery case, including a crimping part is provided. 1. A cylindrical secondary battery comprising:a jelly-roll type electrode assembly;a cylindrical battery case configured to receive the jelly roll type electrode assembly and an electrolytic solution, the cylindrical battery case having a crimping part at an open upper end thereof;a cap assembly located on the open upper end of the cylindrical battery case; anda protective layer, made of a material that exhibits high thermal conductivity, is formed on at least a portion of an inner surface of the cylindrical battery case, including the crimping part.2. The cylindrical secondary battery according to claim 1 , wherein the protective layer is made of copper or a copper alloy.3. The cylindrical secondary battery according to claim 1 , whereina negative electrode tab of the jelly-roll type electrode assembly is coupled to the protective layer formed on the inner surface of the cylindrical battery case, andthe protective layer is formed on an entirety of the inner surface of the battery case.4. The cylindrical secondary battery according to claim 3 , wherein the negative electrode tab is made of a copper or nickel material.5. The cylindrical secondary battery according to claim 3 , wherein the negative electrode tab is coupled to the protective layer by ultrasonic welding claim 3 , resistance welding claim 3 , or laser welding.6. The ...

SOLID-STATE BATTERY AND METHOD FOR MAKING THE SAME

To provide a solid-state battery capable of applying an initial load that results in sufficient surface pressure to a battery cell, and a method for making the solid-state battery. 1. A solid-state battery comprising a solid-state battery cell and a battery case that houses the solid-state battery cell ,the solid-state battery cell being a laminate comprising a positive electrode layer, a negative electrode layer, and a solid electrolyte layer present between the positive electrode layer and the negative electrode layer,a surface constituting the battery case that is substantially perpendicular to a laminating direction of the laminate, comprising a pressing part that applies surface pressure to the solid-state battery cell, andthe battery case comprising at least one gas vent port.2. The solid-state battery according to claim 1 , wherein the gas vent port is closed by a closing member.3. The solid-state battery according to claim 2 , wherein the closing member is metal or a sealing material.4. The solid-state battery according to claim 1 , wherein the gas vent port is formed at a position in contact with a remaining space in the battery case.5. The solid-state battery according to claim 1 , wherein one or more grooves serving as gas flow paths are formed in the pressing part inside the battery case.6. The solid-state battery according to claim 5 , wherein at least one of the grooves passes through a substantially central portion of the pressing part.7. The solid-state battery according to claim 5 , wherein at least two said grooves are formed and disposed substantially perpendicular to each other.8. The solid-state battery according to claim 1 , wherein the pressing part is provided on only one surface of the battery case.9. The solid-state battery according to claim 1 , wherein the pressing parts are provided on a pair of opposed surfaces of the battery case.10. The solid-state battery according to claim 1 , wherein the battery case is metal.11. A method for ...

BIOCOMPATIBLE COATED BATTERIES, SYSTEMS AND METHODS RELATED THERETO

This invention relates to a battery providing safety measures in case of ingestion. A battery may include a radiopaque marker distinguishing the battery from coins when x-rayed. A battery may include a pressure-sensitive coating that deactivates the battery in the absence of pressure. 1. A battery comprising:a conductive anode cap;a cathode housing;an electrochemical cell comprising an anode material, a cathode material, and a separator disposed between the anode material and the cathode material;a gasket joining the anode cap to the cathode housing; anda radiopaque marker, wherein the radiopaque marker generates a pattern on x-ray images of the battery.2. The battery of claim 1 , wherein the pattern is a geometric pattern.3. The battery of claim 1 , wherein the pattern comprises letters.4. The battery of claim 1 , wherein the radiopaque marker is disposed on a plane parallel to the separator.5. The battery of claim 1 , wherein the radiopaque marker is disposed on a plane perpendicular to the separator.6. The battery of claim 1 , wherein the radiopaque marker comprises at least two loops encircling the anode cap and the conductive housing claim 1 , wherein the at least two loops intersect at two points.7. The battery of claim 1 , wherein the radiopaque marker comprises a material of greater radiodensity than the rest of the battery.8. The battery of claim 1 , wherein the radiopaque marker comprises a radiolucent material claim 1 , wherein the pattern consists of a region of lower radiodensity than the surrounding battery.9. The battery according to claim 1 , further comprising:a pressure-sensitive coating covering the anode cap and the cathode housing, wherein the pressure-sensitive coating is placed in a conductive state when a compressive stress above a compressive stress threshold is applied to the pressure-sensitive coating,wherein the compressive stress threshold is greater than a pre-determined applied stress associated with a digestive tract of a body.10. The ...

CLOSURE SYSTEM FOR THE ELECTROLYTE FILL PORT OF AN ELECTROCHEMICAL CELL

A closure system for the electrolyte fill port of an electrochemical cell is described. A cell header has an electrolyte fill port comprising an upper opening sidewall extending from a header upper surface to an intermediate ledge located part-way through the header thickness. The ledge extends from a lower edge of the upper opening sidewall to an upper edge of a lower opening sidewall, the lower opening sidewall extending to the header lower surface. With respect to an axis of the electrolyte fill port, the upper opening sidewall has a first radius rand the lower opening sidewall has a second radius rat the ledge, the lower opening sidewall extending downwardly and inwardly along the axis from the second radius rto a third radius rat the header lower surface. The second radius rat the ledge is greater than the third radius rat the header lower surface. A closure system for an electrolyte fill port comprises a lower closure member secured to the lower opening sidewall by a lower weld; and an upper closure member secured to the upper opening sidewall by an upper weld. Importantly, the lower opening sidewall is provided with rifling. 1. An electrochemical cell , which comprises:a) a casing comprising a casing sidewall having a casing opening;{'sub': 1', '2', '1', '2, 'b) a header hermetically sealed to the casing sidewall in the casing opening, the header having a thickness extending from a header upper surface to a header lower surface, wherein the header has an electrolyte fill port comprising an upper opening sidewall extending from the header upper surface to an intermediate ledge located part-way through the header thickness, the ledge extending from a lower edge of the upper opening sidewall to an upper edge of a lower opening sidewall, the lower opening sidewall extending to the header lower surface, and wherein, with respect to an axis of the electrolyte fill port, the upper opening sidewall has a first radius rat the header upper surface and the lower opening ...

Steel foil for power storage device container, power storage device container, power storage device, and manufacturing method of steel foil for power storage device container

A steel foil for a power storage device container includes a rolled steel foil which has a thickness of 200 μm or less, a diffusion alloy layer which is formed on a surface layer of the rolled steel foil and contains Ni and Fe, and a chromium-based surface treatment layer which is formed on the diffusion alloy layer. The <111> polar density in a reverse pole figure of the diffusion alloy layer in a rolling direction is 2.0 to 6.0, and the aspect ratio of crystal in a surface of the diffusion alloy layer is 1.0 to 5.0.

BATTERY HAVING HIGH THERMAL CONDUCTIVITY CASE

Some embodiments are directed to a battery. The battery can include a case having a hollow accommodation cavity formed therein. The case having a material that includes a blend comprising at least one of polysulfone, acrylonitrile butadiene styrene (ABS), Nylon, polyphenylene oxide (PPO), styrene-acrylonitrile (SAN), and polypropylene. The material of the case enables removal of thermal energy generated during operation of the battery. 1. A battery comprising:a case having a hollow accommodation cavity formed therein, wherein the case has a material that includes a mixture comprising at least one of polysulfone, acrylonitrile butadiene styrene (ABS), Nylon, polyphenylene oxide (PPO), styrene-acrylonitrile (SAN), and polypropylene blended with polyphenylene sulphide, wherein the material enables removal of thermal energy generated during operation of the battery; anda plurality of internal components including a plurality of separators, a plurality of electrodes and an electrolyte, wherein a combined thermal conductivity of the plurality of internal components is at least 1.0 in*lbf/(s*in ° F.) in a first plane and at least 0.03 in*lbf/(s*in ° F.) in a second plane perpendicular to the first plane.2. The battery of claim 1 , wherein the case is formed by an injection molding process.3. The battery of claim 1 , wherein percentage of the polyphenylene sulphide in the material is in the range of 10 to 60.4. The battery of claim 1 , wherein the battery further comprises at least two terminals that are modeled as squares.5. The battery of claim 1 , wherein the plurality of internal components generate the thermal energy during the operation of the battery.6. The battery of claim 1 , wherein the plurality of separators divide the case into a plurality of regions.7. The battery of claim 6 , wherein a plurality of cells are disposed within the plurality of regions claim 6 , wherein the plurality of cells are electrically connected to act as a single battery.8. The battery of ...

Non-Aqueous Electrolyte Secondary Battery

A non-aqueous electrolyte secondary battery includes a negative electrode active material represented by: α(Si material)+β(carbon material), the Si material is one or more kinds selected from the group consisting of SiO x that is a mixture of amorphous SiO 2 particles and Si particles and a Si-containing alloy; α and β represent % by mass; and 80≤α+β≤98, 0.1≤α≤40, and 58≤β≤97.9 are satisfied), and when area proportions (%) of the Si material and the carbon material in an area of a field of view of each image of cross-sections of the layer in a case where a plurality of arbitrary places is selected in a plane of the layer are designated as S (%) and (100−S) (%), respectively, a difference between a maximum value and a minimum value of S is within 5%.