ALKALI ACCUMULATOR

RE+RECHARGEABLE BATTERY AND MODULE FOR IT

BATTERY MODULE

BATTERY CASING CONSTRUCTION AND METHOD OF MAKING SAME

Vehicle

... [Problem] The purpose of the present invention is to protect a battery from vehicle collision, while suppressing an increase in the number of components. [Solution] A vehicle having a battery mounted therein, and characterized by: the battery having a cell group having a plurality of single cells having a power generation element housed inside a cylindrical case together with electrolyte, and a holding member that holds each single cell from the radial direction; and the cell group being positioned in an area further on the inside than the edge of the holding member, when viewed from the vehicle height direction. Each single cell can be arranged so as to extend in the height direction of the vehicle. The holding member can be a heat diffusion plate that allows heat exchange between the single cells.

A battery case and a laminated battery

Molten salt battery and method for producing same

In order to provide a molten salt battery that can be charged and discharged stably without requiring, as an essential element, an internal elastic component for achieving contact by pressurization, this molten salt battery is provided with: a molten salt battery body in which positive electrodes and negative electrodes are stacked alternately with separators sandwiched therebetween, the separators containing a molten salt as an electrolyte; and a battery case that is made of a flexible material and that seals and covers the molten salt battery body while exposing only the terminals from the positive electrodes and the negative electrodes. The inside of the battery case is brought into a negative pressure state, and thus, the battery case presses the molten salt battery body in the stacking direction due to the external pressure caused by atmospheric pressure.

Includes a ladder structure of the battery monomer

line cable secondary battery

Battery module and vehicle

Battery and battery pack

Enclosure for a battery module

Improvement with the ebonite vats, particularly for accumulators

Improvements in the accumulating vats

Improvements with the batteries

Closed container tight with the internal pressure and application to a vat for accumulator

BATTERY CASE AND MODULAR BATTERY SYSTEM

Battery jar

Alkaline electric fencer

Alkali battery with insulating material - fitted in dish around bottom of metal case to preserve insulating coating near joint between wall and bottom (OE 15.7.80)

DEVICE FOR TEMPERATURE CONTROL OF A ELECTROCHEMICAL CELL

Electric accumulator battery sophisticated

Electric fencer with alkaline electrolyte and positive plates with pockets

RECHARGEABLE BATTERY

Device for Manufacturing Battery Cell Using Induction Heating

Cable-Type Secondary Battery

사행불량이 개선된 전극 및 이를 포함하는 이차전지

... 본 발명은 젤리-롤형 전극조립체에 사용되는 전극집전체 선단부에 보강재를 적용시켜 전극 사행불량을 개선시킨 이차전지에 관한 것으로, 젤리-롤형 전극조립체의 제조시 전극 집전체의 선단부가 컬링되지 않으면서 정위치에 권취할 수 있으며, 그 결과, 사행 불량으로 인해 발생하였던 내부 쇼트(short-circuit) 문제점이 해결된다.

SECONDARY BATTERY

One aspect of the present invention provides a secondary battery capable of maintaining the alignment of the positive and negative poles and a separator of an electrode assembly even if a shape is deformed or bent. The secondary battery according to an embodiment of the present invention comprises: the electrode assembly on which the first electrode, the separator, and the second electrode are stacked and which includes an alignment groove; a case which has flexibility and accommodates the electrode assembly; and an alignment guide which protrudes from the case to accommodate and guide the length change of the electrode assembly due to flexure and is partially combined in the alignment groove. COPYRIGHT KIPO 2016 ...

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

SECONDARY BATTERY WHICH CAN STABLY INSULATE AN ELECTRODE GROUP AND A CASE AND MAINTAIN THE SHAPE OF THE ELECTRODE GROUP

PURPOSE: A secondary battery is provided to maintain stable capacity by uniformly maintaining the interface of an electrode group and to stably insulate the electrode group and the case by easily insulating an insulating member at a position between the electrode group and the case. CONSTITUTION: A secondary battery(100) includes: an electrode group(15) including a separator in which a positive electrode, a negative electrode, and a separator positioned between the positive and negative electrodes; a case(14) in which the electrode group is built in; terminals(21,22) which are electrically connected the electrode group; and an insulating member(30) which is located between the electrode group and the case and includes a base(31) and four insulating plates(32,34,36,38) extended from the base. COPYRIGHT KIPO 2011 ...

ENERGY STORAGE DEVICE, ENERGY STORAGE UNIT, METHOD OF MANUFACTURING ENERGY STORAGE DEVICE, AND METHOD OF MANUFACTURING COVER PLATE

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.

CONDENSER DEVICE

Provided is a condenser device capable of suppressing the temperature dispersion in condenser elements. The condenser device comprises condenser elements (1) having electrolytic layers (14) and a plurality of electrode elements (10) laminated through the electrolytic layers, and a case (2) for housing the condenser elements and a heat exchanging medium to be used for the heat exchange with the condenser elements. These condenser elements have openings (15) extending through the condenser elements from one end face to the other end face in the laminating direction of the condenser elements. Of the case, the upper face portions (23) positioned above the condenser elements contain slopes inclined with respect to the laminating direction of the condenser elements.

Structure for electrode terminals of battery module

On the opposite end walls (8) of a flat, primatic battery case (2) of a battery module (1) where electrode terminals (12) are attached, protruding components (26) are formed such as to protrude further than the electrode terminals. Terminal holes (10) are formed in the end walls in which the electrode terminals are fitted, and the thickness of the end walls of the integral battery case in the vicinity of the terminal holes is not the same on both sides of each of the terminal holes. Also, each of the electrode terminals has a mounting structure comprising a disk-shaped seat (12a) from one surface of which the electrode terminal protrudes, a connecting protrusion (24) protruding from an opposite surface of the electrode terminal, an annular groove (40a) formed around and coaxial with said connecting protrusion, and an annular protrusion (40) around and coaxial with said annular groove. The engagement tabs (38) are formed extending radially and centred around the connecting protrusion. The ...

Sealed lead-acid cells and batteries

A sealed lead-acid cell is provided with an internal cell restraint (36) which contacts the interior surface of the cell cover (14) and is positioned between the positive plates of the cell and the cover (14), the internal cell restraint (36) cooperating with an external cell restraint (50), such as a plastics coated metal face plate, to direct positive plate growth which occurs in service away from the cover (14). The cell construction disclosed allows plastic-to-plastic seals to be used between the terminal ports (18, 20) and the cover (14), and allows cells of capacities of up to 2,000 Ampere Hours or more to be provided.

ALKALINE STORAGE BATTERY

PURPOSE: To provide an alkaline battery with a long life while improving the thermal radiation of the battery by inserting a group of electrode plates each fixed to a cover into a bag-shaped battery jar made of an alkali-proof synthetic resin film, or sheet, and arranging a metallic member around said jar. CONSTITUTION: For a bag-shaped battery jar 8 made of alkaline-proof snythetic resin, an opening part formed by means of general vacuum forming and welding etc., from a film or a sheet made of such material as nylon, polypropylene, polyethylene, and vinyl chloride, etc. and having the thickness of abot 0.1∼ 2.00mm, is airtightly fixed around a cover 6, and four sides and bottom of the bag-shaped battery jar 8 are reinforced with metal plats 10, 13, etc. For the material of the metal plates, aluminium, titanium, copper, iron, etc., or alloys of said metal are used, and the surfaces thereof are preferably plated with nickel where the thickness of about 0.5∼2.0mm is sufficient to those plates ...

ENERGY STORAGE DEVICE

PROBLEM TO BE SOLVED: To ground a control device including a battery controller without using an earth cable. SOLUTION: A battery module 100 has a conductive battery storage casing 110 storing a plurality of battery cells 300 inside, and the battery storage casing 110 is attached to a vehicle body 500 via a module base 220. On the upper face of the battery storage casing 110, the control device 900 is mounted including the battery controller 300 and a cell controller 200. The energy storage device 1000 includes the battery module 100 and the control device 900. The battery controller 300 and the cell controller 200 are mounted on a conductive base 910, and their negative electrode terminals are grounded on the base 910. Thus, the potential of each of the negative electrode terminals of the battery controller 300 and the cell controller 200 of the control device 900 is equal to that of the ground battery of the vehicle body 500. COPYRIGHT: (C)2011,JPO&INPIT ...

FILM EXTERIOR BATTERY, BATTERY MODULE, MODULE ASSEMBLY, FILM EXTERIOR BATTERY SELECTING METHOD AND ELECTRIC AUTOMOBILE

PROBLEM TO BE SOLVED: To compensate recesses generated on a surface of a film exterior battery without increasing thickness of the film exterior battery. SOLUTION: A film exterior battery 1 has a battery element 10 with a plurality of electrode plates laminated via a separator; an exterior film 40 tightly sealing the battery element 10, and a cover film 50 adhered on a recess 51 existing in predetermined areas 60, 62 set on a surface of the exterior film 40. The areas 60, 62 are areas made by removing an overlapped area 61 overlaid on a member 13a interposed between the electrode plate in an outermost layer and the exterior film 40 from a projection area of the electrode plate to the exterior film surface. COPYRIGHT: (C)2012,JPO&INPIT ...

BATTERY MODULE AND WHEELED VEHICLE

PROBLEM TO BE SOLVED: To provide a battery module capable of reducing contact resistance by stably linking a linking member and terminals. SOLUTION: A battery module comprises: a first battery having a first terminal containing a first metal; a second battery having a second terminal containing a second metal different from the first metal; and a linking member electrically linking the first terminal and the second terminal. The linking member has a first part and a second part, one face of the first part is joined to one face of the second part, a nugget zone is positioned in a part where the one face of the first part is in contact with the one face of the second part, the first part contains a third metal, and the second part contains a fourth metal different from the third metal. COPYRIGHT: (C)2012,JPO&INPIT ...

ACCUMULATOR

PROCEDURE FOR THE PRODUCTION OF ELECTRO-CHEMICAL CELLS

Lithium ion battery with modular bus bar assemblies

Lithium ion batteries are provided that include a plurality of electrochemical units positioned within a container or assembly. A multi-layered bus bar is provided to establish electrical connection with the anode and cathode of the electrochemical units. Based on the design of the bus bar, a desired voltage and capacity may be delivered by the battery without redesign or redeployment of the electrochemical units within the container or assembly. A plurality of bus bars may be interchangeably introduced to the container/assembly to yield lithium ion batteries that deliver differing voltage and/or capacity.

THERMOPLASTIC CASINGS FOR BATTERIES, WITH SIDEWALLS HAVING A SINUSOIDAL CROSS SECTION

БАТАРЕЙНЫЙ ИСТОЧНИК ПИТАНИЯ

Настоящее изобретение раскрывает батарейный источник энергии, который содержит множество единичных ячеек (1), каждая из которых имеет два электрода (2 и 3) и которые соединены последовательно или параллельно с использованием электродов (2 и 3) каждой единичной ячейки (1) с электродами (2 и 3) прилежащей единичной ячейки (1) в которой электроды (2 и 3), каждый, выполнены в форме листа и соединение между электродами является скреплением двух листов. Согласно настоящему изобретению батарейный источник питания имеет низкое внутреннее сопротивление, легкий вес и надежную конструкцию.

БАТАРЕЙНЫЙ ИСТОЧНИК ПИТАНИЯ

Изобретение раскрывает батарейный источник энергии, который содержит множество единичных ячеек (1), каждая из которых имеет два электродных вывода (2 и 3) и которые соединены последовательно или параллельно посредством соединения электродного вывода (2 или 3) единичной ячейки (1) с электродным выводом (3 или 2) соседней единичной ячейки (1), характеризующийся тем, что каждый из электродных выводов (2 и 3) выполнен в форме листа, а соединение между электродными выводами (2 и 3) является скреплением двух листов. Согласно настоящему изобретению батарейный источник питания имеет низкое внутренне сопротивление, легкий вес и надежное соединение.

Lithium ion secondary battery

Lithium iron phosphate battery for starting automobile

The storage element, the storage device, the storage element manufacturing method, and manufacturing method of the cover plate

primary or secondary electric element

Improvements with the electric fencers and the electric storage cells

Improvements brought to the containers, such, in particular, that battery jars

Vat for the formation of the plates of lead accumulators

Improvement brought to the containers of batteries of accumulators and similar equipment intended to function in atmosphere charged with oxyhydrogen gases

ELEMENT Of ELECTRODES FOR ELECTRIC FENCERS

ELECTRIC OR ELECTRONIC EQUIPMENT ENCLOSURE BAG WITH ARCUATE ATTACHMENT INTERFACES.

La présente invention concerne un boîtier d'équipement électrique ou électronique pour véhicule automobile, caractérisé en ce qu'il comporte, sur au moins l'une de ses parois latérales, des interfaces d'attache (20) aptes à permettre la fixation ou le maintien contre ladite paroi latérale, d'au moins un organe de support d'un autre équipement électrique ou électronique, ou bien d'au moins une agrafe de serrage (30) d'un faisceau électrique (2). L'invention vise également une batterie de véhicule automobile comportant un tel boîtier.

SECONDARY BATTERY HAVING AN INSULATION BAG CAPABLE OF ENHANCING THE COUPLING STRENGTH OF AN ELECTRODE ASSEMBLY AND THE INSULATION BAG

PURPOSE: A secondary battery is provided to improve the effectiveness of work for accommodating an electrode assembly inside the insulation bag and by eliminating static electricity issues when the insulation bag is opened. CONSTITUTION: A secondary battery includes: an electrode assembly(110) including a first electrode, a second electrode, and a separator; an insulation bag(170) which accommodates the electrode assembly and of which the upper part thereof is opened; a case accommodating the electrode assembly and the insulation bag; and a cap plate sealing the case. The insulation bag includes a first side part, a second side part(172), a first extension part(173), and a second extension part(174). COPYRIGHT KIPO 2011 ...

RECHARGEABLE BATTERY AND MODULE THEREOF

... 본 발명의 기재는 셀의 상부 공간을 확보하고, 전극단자를 연결하는 연결부재의 개수를 줄일 수 있는 이차 전지를 제공하는 것이다. 본 발명의 일 실시예에 따른 이차 전지는, 전극 조립체를 내장하는 케이스, 상기 케이스의 개구에 결합되고 단자 구멍을 가지는 캡 플레이트, 및 상기 단자 구멍에 설치되어 상기 전극 조립체에 전기적으로 연결되는 전극단자를 포함하며, 상기 전극단자는 상기 케이스의 측면에 수직 방향으로 돌출된다.

Superwide Pouch Type Secondary Battery with Double Taps

MOLTEN SALT BATTERY AND METHOD FOR PRODUCING SAME

In order to provide a molten salt battery that can be charged and discharged stably without requiring, as an essential element, an internal elastic component for achieving contact by pressurization, this molten salt battery is provided with: a molten salt battery body in which positive electrodes and negative electrodes are stacked alternately with separators sandwiched therebetween, the separators containing a molten salt as an electrolyte; and a battery case that is made of a flexible material and that seals and covers the molten salt battery body while exposing only the terminals from the positive electrodes and the negative electrodes. The inside of the battery case is brought into a negative pressure state, and thus, the battery case presses the molten salt battery body in the stacking direction due to the external pressure caused by atmospheric pressure.

BATTERY PACK HAVING AMORPHOUS STRUCTURE

The present invention relates to a battery pack having an amorphous structure, and more specifically provides a battery pack in which an electrode assembly built in inside a battery case comprises a positive electrode, a negative electrode, and a separation film which is interposed between the positive electrode and the negative electrode, and a positive electrode terminal and a negative electrode terminal protrude from an end portion of an outer circumferential surface on a first side from a planar view, and an outer circumferential surface on a second side that is opposite the first side outer circumferential surface is formed as a curved surface.

STRUCTURE FOR MOUNTING CYLINDRICAL BATTERY ON ELECTRIC VEHICLE

A cylindrical battery includes a pair of female terminals. One of the pair of female terminals is placed at the axial center of the battery, and provided to recede from one end surface of the battery. The other terminal is placed in a position away from the axial center, to recede from the one end surface of the battery. A male thread portion is provided on an outer peripheral surface of the battery. A handle portion is provided on another end surface of the battery. A female thread portion to be threadedly engaged with the male thread portion is provided in an inner peripheral surface of the battery box. A pair of male terminals are provided on a bottom surface of the battery box. The battery is designed to be detachably mounted inside the battery box by being rotated inside the battery box. 1. A battery for an electric vehicle , said battery comprising:a pair of female terminals, one female terminal of the pair of female terminals being in an axial center of the battery, said one female terminal being recessed from a first end surface of the battery, and another female terminal of the pair of female terminals being disposed in a position away from the axial center, and recessed from the first end surface of the battery;an outer peripheral surface, said outer peripheral surface including a male thread portion thereupon, wherein said male thread portion is configured to engage a female thread portion disposed on an inner peripheral surface of a battery box;a handle portion disposed on a second end surface of the battery;wherein the pair of female terminals are configured to be connected to a corresponding pair of male terminals disposed on a bottom surface of the battery box, and wherein the battery is configured to be detachably mounted inside the battery box by being rotated therein, whereby the male thread portion of the battery engages the female thread portion of the battery box.2. The battery according to claim 1 , wherein a first male terminal is configured ...

RECHARGEABLE BATTERY

A rechargeable battery includes an electrode assembly including a first electrode and a second electrode, a case for accommodating the electrode assembly, a cap plate in an opening of the case to seal the case, and electrode terminals electrically coupled to the electrode assembly, each electrode terminal having a rivet terminal extending through a terminal hole in the cap plate, a first end of the rivet terminal being electrically coupled to the electrode assembly, and a second end of the rivet terminal protruding out of the cap plate and including a protruding portion, and a conductive terminal coupled to the protruding portion of the rivet terminal, the conductive terminal and the protruding portion of the rivet terminal including different metals. 1. A rechargeable battery , comprising:an electrode assembly including a first electrode and a second electrode;a case for accommodating the electrode assembly;a cap plate in an opening of the case to seal the case; and a rivet terminal extending through a terminal hole in the cap plate, a first end of the rivet terminal being electrically coupled to the electrode assembly, and a second end of the rivet terminal protruding out of the cap plate and including a protruding portion, and', 'a conductive terminal coupled to the protruding portion of the rivet terminal, the conductive terminal and the protruding portion of the rivet terminal including different metals., 'electrode terminals electrically coupled to the electrode assembly, each electrode terminal including2. The rechargeable battery as claimed in claim 1 , wherein a filler metal is inserted between the protruding portion of the rivet terminal and the conductive terminal to be braze-welded.3. The rechargeable battery as claimed in claim 2 , wherein the protruding portion includes insertion grooves claim 2 , the filler metal being in the insertion grooves.4. The rechargeable battery as claimed in claim 3 , wherein the insertion grooves are a plurality of ...

Battery pack having cooling system

A battery pack (100) having a cooling system is disclosed. The battery pack includes battery units (101) linked in series or in parallel and arranged in a plane; thermal conducting bars (102) each has a number of side walls and two ends, averagely located among the battery units and substantially contacted to the battery units by the side walls, for conducting heat out of the battery units to the two ends; and a housing (103) for containing the battery units and thermal conducting bars and conducting heat from the ends of the thermal conducting bars to outside of the housing. At least one end of the thermal conducting bar is connected to the housing and becomes an internal supporting structure of the housing.

GROUP BATTERY ASSEMBLING DEVICE

PURPOSE: To perform complete automation in working and to upgrade working efficiency by squeezing aligned group batteries in waiting cases and welding/ fixing the packed group batteries with the cases and next printing the surfaces of the cases and finally performing voltage checking. CONSTITUTION: Group batteries 1 supplied are all turned and aligned in the same direction at a group battery aligning part 2, and they are sent to a group battery packing part 5. The group batteries 1 are squeezed in cases waiting there. The cases 4 are supplied serially to the waiting positions via a hopper 3 and a case supplying part 6. After the cases 4 packed with the group batteries 1 are positioned on positioning parts 8 and 9, the respective batteries are welded with the cases 4 by spot welding. Next the cases 4 are sent to printing parts 10, 11, and necessary items are printed on the surfaces of the cases. Then in a voltage checking part 12, the parts are classified to be GOOD and NG and so they are ...

TESTING DEVICE FOR BATTERY LEAKAGE

PURPOSE: To utilize the floor area effectively and to improve the workability of leakage testing by providing in parallel a part of the battery feeding path and a part of the battery delivering path on both sides of a lifting device provided above a leakage testing water tank. CONSTITUTION: Above a battery leakage testing water tank 1, is provided a battery lifting device 7 which is to move vertically a box 13 into or from a water tank 1 through winding or unwinding a rope 15 by rotating a winder 17 with a motor 16. On both sides of the water tank 1, a battery feeding path 20 provided with a free roller conveyor 21 which constitutes a part of the path 21 and a battery delivering path 23 provided with a driving roller conveyrer 24 which constitutes a part of the path 23 are provided in parallel along one long side wall 2 and the other long side wall 2 respectively. COPYRIGHT: (C)1981,JPO&Japio ...

蛇行不良が改善された電極及びそれを含む二次電池

METHOD AND DEVICE FOR THE PRODUCTION OF A ONE-PIECE BATTERY CASE

SECONDARY BATTERY WITH ISOLATION ELEMENT

CLOSELY LOCKED ACCUMULATOR

Battery module to which battery cell pressing-type end plate and expandable sensing housing structure are applied

A battery module is disclosed. The battery module, according to the present invention, having a cell assembly composed of a plurality of pouch-type battery cells, which are stacked and arranged in one direction by allowing a wide surface thereof to be erected, can comprise: one pair of buffering pads arranged on both side surface parts of the cell assembly; top and bottom plates respectively covering the upper part and the lower part of the cell assembly; and one pair of side plates placed between the one pair of buffering pads and the cell assembly and pressed in or fitted and coupled to both end parts of the top and bottom plates.

BIPOLAR BATTERY HOUSING AND METHOD

BIPOLAR BATTERY HOUSING AND METHOD A bipolar battery comprising a plurality of framed, bipolar electrodes stacked together and embedded in a housing molded in situ thereabout. The housing will preferably comprise a polymeric foam.

Battery unit and battery pack therewith

The present invention relates to a battery unit and a battery pack therewith. The battery pack includes a plurality of battery units with improved insulating and cooling properties between the battery units. In one embodiment, a battery unit includes a battery cell and an insulating wall including a plurality of protrusions contacting the battery cell. The protrusions extend at least partly between opposite edges of the insulating wall and define space between the battery cell and regions between the protrusions.

Devices and methods for retaining battery cells of traction batteries

Secondary battery and method of forming same

With improved heat collection and transfer system the electrochemical cell

The battery housing

VAT FOR CHEMICAL SOURCE OF ELECTRIC CURRENT, IN PARTICULAR FOR ALKALINE BATTERY

Improvements with the elements of wet accumulator batteries

Battery jar

밀폐형 전지 및 그의 제조 방법

... 밀폐형 전지의 제조 방법에서, 덮개의 한쪽 단부에 정극 단자가 제공되고, 덮개의 다른 쪽 단부에 부극 단자가 제공되어 있다. 덮개의 정극 단자측의 단부면을 개구부에 삽입하고, 개구부의 내벽과 접촉시킨다. 이어서, 덮개의 부극 단자측의 단부면을 개구부에 삽입하고, 덮개를 함께 용접한다. 따라서, 금속 이물이 제조시에 전지 캔 내로 혼입되더라도 부극 단자측에 혼입될 것이므로, 밀폐형 전지의 전압 저하를 억제할 수 있다.

MIDDLE OR LARGE-SIZED BATTERY MODULE DESIGNED TO PERFORM ELECTRICAL CONNECTION STABLY BY USING AN IMPACT-ABSORBING MEMBER

PURPOSE: A middle or large-sized battery module is provided to prevent a breakage or short circuit of a fragile top part in a battery cell such as an electrode terminal and a top sealing part when a battery cell is moved by external shocks. CONSTITUTION: A battery module comprises, as a unit cell, a battery cell having an electrode assembly within a battery case comprising resin layers and metal layers. The unit cell has a top sealing part(114) at the portion on which electrode terminals(130) are placed. The top sealing part has an impact-absorbing member(170). The impact-absorbing member has the length and thickness approximate to those of the top sealing part. The impact-absorbing member is formed of natural rubber or synthetic rubber. © KIPO 2007 ...

RECHARGEABLE BATTERY HAVING A NOVEL STRUCTURE

The rechargeable battery according to the present invention is a flat rechargeable battery having a structure in which an electrode assembly having an anode/separating film/cathode structure is fitted in a battery case and is then hermetically sealed by hot-melt bonding; and a rechargeable battery is provided wherein an outer-circumferential-surface sealing part of the battery-assembly-receiving part of the battery case is formed so as to have a protrusion having a structure projecting to the top and bottom of the sealing part, and the protrusion is constituted in a continuous curvilinear and linear shape along the outer circumferential surface of the receiving part, in a state adjacent to the receiving part.

SECONDARY BATTERY, ELECTRONIC DEVICE, AND VEHICLE

The present invention provides a secondary battery, suitable for a wearable device or a portable information terminal, or an electronic device with a new structure having various appearances, and a secondary battery, suitable for the appearances. The secondary battery is sealed by using a film including a convex part to relieve stress to the film, caused by external force. A pattern, comprising the convex part, is formed on the film by press processing, for example embossing processing. The top of the convex part has a thicker area than the bottom of the convex part. The thickness of the top of the convex part is 1.5 times, advisably, two times thicker than the bottom of the convex part, and is not thicker than thickness to have a convex space in the convex part. COPYRIGHT KIPO 2016 ...

용접된 배터리 캡을 갖는 배터리 셀

... 배터리는 캔, 상기 캔에 포함된 젤리 롤, 상기 젤리 롤에 인접하고 상기 젤리 롤 위에 있는 상기 캔에 포함된 상부 절연체, 및 배터리 캡을 포함한다. 배터리 캡은 상기 상부 절연체에 인접하게 그리고 상기 상부 절연체 위에 상기 캔의 내측 표면에 용접되며, 외측 전도성 링, 절연체 링, 및 전도성 상부 플레이트를 포함하며, 외측 전도성 링, 절연체 링, 및 전도성 상부 플레이트는 함께 클림핑된다. 배터리 캡은 상기 전도성 상부 플레이트에 전기적으로 연결된 전도성 파열 플레이트, 및 상기 전도성 파열 플레이트에 전기적으로 연결되고 상기 젤리 롤로 연장하는 캐소드를 더 포함한다. 배터리는 상기 전도성 상부 플레이트의 중앙 부분에 있는 개구, 및 상기 전도성 상부 플레이트의 중앙 부분에 있는 개구에 용접된 커버를 더 포함할 수 있다.

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF

According to the present invention, provided is a non-aqueous electrolyte secondary battery, wherein a flat rolling electrode (80), a non-aqueous electrolyte, and an insulation film (10) are stored inside each type of a battery case (30). The insulation film (10) is molded as a pocket shape corresponding to the shape of the electrode body (80), and is arranged between the inner wall of the battery case (30) and the electrode body (80). The entire surface of a lower side R unit facing the bottom surface of the battery case (30) of two R units of the electrode body (80), and the inner side of the pocket-shaped insulation film (10) facing the lower side R unit of the electrode body (80) are bonded. Provided in the present invention is the non-aqueous electrolyte secondary battery, with excellent cycle properties. COPYRIGHT KIPO 2016 ...

Rechargeable battery and Battery Pack

BATTERY CELL MODULE, BATTERY, AND MOTOR VEHICLE

The invention relates to a battery cell module that comprises a plurality of battery cells (1), in particular lithium-ion battery cells which are arranged in a packet and each of which has a substantially prismatic cell housing (10). Each cell housing (10) has the three dimensions housing height (11), housing width (12), and housing depth (13). According to the invention, two of the dimensions are carried out in a substantially identical manner in all the battery cells (1) of the battery cell module, and the third dimension is carried out differently in at least two battery cells (1) of the battery cell module. The invention further relates to a battery that comprises at least one battery cell module according to the invention and to a motor vehicle that comprises at least one battery according to the invention.

ELECTRIC DEVICE WITH OUTER FILM COVER

A battery (1) with an outer film cover, where a battery element (2) is surrounded by laminated films (5, 6). In the battery element (2), positive and negative electrode extension sections (2a, 2b) are joined to positive and negative electrode leads (3a, 3b), respectively and collectively. The laminated films (5, 6) are each formed by layering on each other at least a heat bonding layer (10) and a metal layer (11). A protective member (4a) having lower melting point than the heat bonding layer (10) is placed between a joint (20a, 20b) of at least the positive/negative electrode extension section (2a, 2b) and the heat bonding layer (10), facing the joint, of the laminated film (5).

BATTERY PACK

In order to provide a highly reliable battery pack in which the laminate film of adjacent unit cells is not perforated, even in the presence of vibrations, this battery pack is characterized in being formed from a plurality of serially connected unit cells (100), each unit cell (100) having a positive electrode lead tab (120), a negative electrode lead tab (130), and a laminate cladding member. The laminate cladding member has: a first end portion (111) from which the positive electrode lead tab (120) and the negative electrode lead tab (130) extend; a second end portion (112) opposite to the first end portion (111); a first fused portion (117) which is on the first end portion (111) side and which has a first fused length in the tab extension direction; a second fused portion (118) which is on the second end portion (112) side and which has a second fused length, shorter than the first fused length, in the tab extension direction; and chamfered portions (119) on both corner portions of ...

TRAY ELEMENT FOR A MOTOR VEHICLE AND ARRANGEMENT OF A BATTERY ON A TRAY ELEMENT OF THIS TYPE

The invention relates to a tray element (10) for a motor vehicle, that can be arranged in a stowage region of the motor vehicle and which comprises at least one receiving tray (12) open at the top in the vertical direction of the motor vehicle for at least partially receiving at least one battery (14) of the motor vehicle, said tray element (10) being designed as a die-cast component made of a light metal. The invention also relates to an arrangement of a battery (14) on a tray element (10) of this type.

LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME

Provided are a lithium secondary battery wherein gas generation associated with charging and discharging can be suppressed even in case where silicon and silicon oxide are contained as negative electrode active materials, and wherein deformation due to the gas generation can be suppressed even in case where a resin film is used as an outer package; and a method for manufacturing the lithium secondary battery. A lithium secondary battery comprises a negative electrode containing a negative electrode active material, a positive electrode containing a positive electrode active material, and an electrolytic solution used to immerse the negative electrode active material and the positive electrode active material, wherein the negative electrode active material contains silicon and silicon oxide that have been subjected to a reduction treatment.

FILM-PACKAGED ELETRIC DEVICE

To provide a film-packaged battery in which battery element formed by collectively joining a plurality of positive and negative extending portions and to positive and negative electrode leads and for each polarity, is surrounded by laminate films and which are formed by laminating at least heat fusion layer and metal layer Protection member having a melting point lower than that of heat fusion layer is arranged at least between each of joining portions and of positive and negative electrode extending portions and and heat fusion layer of laminate film which layer face the each of joining portions and 1. A film-packaged electric device comprising:an electric device element that has a positive lead, positive electrode plates, positive electrode extending portions that lead out from each of said positive electrode plates, a negative lead, negative electrode plates, negative electrode extending portions that lead out from each of said negative electrode plates, and separators, wherein said positive and negative electrode plates are alternately laminated via the separator, said positive electrode extending portions are collectively joined to said positive lead, and said negative electrode extending portions are collectively joined to said negative lead; anda package film that has a metal layer and a heat fusion layer that is formed on one side of the metal layer, which is configured to surround the electric device element with the heat fusion layer facing inward, and configured such that the heat fusion layers that face each other in a periphery of the package film are heat-fused to each other; anda protection member arranged between a first joining portion that is a portion of the positive electrode extending portion joined to the positive electrode lead and a portion of the heat fusion layer which covers an area of at least the first joining portion, or arranged between a second joining portion that is a portion of the negative electrode extending portion joined to the ...

ENERGY STORAGE CELL

An energy storage cell has a cell body with an areal expansion in an extension plane, with four side faces bounding a circumference of the area of extent and having each two of the side faces parallel to one another. A conductor electrode and a second electrode are disposed on one of the side faces symmetrically in the direction of the circumference of the extension plane relative to a center of the corresponding side face. A line from a contact point between an inward facing edge of the electrodes to a center point of the extension plane encloses an angle λ of 10°<λ<36° with the corresponding side face. The center of the side face and/or a contact point of an outward facing edge of the electrodes forms an angle β about the center point of the extension plane of 8°<β<45° with the corresponding side face with said center. 111-. (canceled)12. An energy storage cell , comprising:a cell body extending two-dimensionally in an extension plane and having four lateral planes arranged along a circumference of the extension plane, with two of said lateral planes extending in each case parallel to one another and with the extension plane having a center point;first and second conductor electrodes disposed symmetrically on one of said lateral planes with respect to a center of said one lateral plane in a circumferential direction of the extension plane, each said conductor electrode having an edge facing toward said center and an edge averted from said center;said electrodes forming a facing contact point where the edge of said conductor electrode facing toward said center contacts said one lateral plane, and said electrodes forming an averted contact point where the edge of said conductor electrode averted from said center contacts said one lateral plane; andwherein one or both of the following is true:said facing contact point including with said center of said one lateral plane an angle λ about said center point of the extension plane of 10°<λ<36°;said averted contact point ...

FLEXIBLE ENVELOPE TYPE BATTERY AND ELECTRICALLY CONDUCTIBLE SEALING STRUCTURE THEREOF AND ASSEMBLING METHOD THEREOF

A flexible-envelope type battery and an electrically conductible sealing structure thereof and an assembling method thereof are provided. The battery includes an electrode pair, a flexible envelope and a pair of electrically conductible sealing structures. Each sealing structure includes a conductive terminal and a fixed member. The conductive terminal includes a bottom board and a protruding block, for conducting an electric current from the electrode pair to the outside. The bottom board is disposed within the flexible envelope and combined with the electrode pair. The protruding block is disposed on the bottom board for passing through and protruding from an upper surface of the flexible envelope. The fixed member is for tightly fixing the flexible envelope and the conductive terminal. 1. An electrically conductible sealing structure of a flexible-envelope type battery , the battery comprising a flexible envelope and an electrode pair enveloped in the flexible envelope , the sealing structure comprising: a bottom board disposed within the flexible envelope and combined with the electrode pair; and', 'a protruding block disposed on the bottom board, for passing through and protruding from an upper surface of the flexible envelope; and, 'a conductive terminal comprising 'a clamp component having a first clamping portion, a second clamping portion and a bending portion, wherein the bending portion connects the first clamping portion and the second clamping portion, the first clamping portion is disposed around the protruding block and attached on the upper surface of the flexible envelope, and the second clamping portion is attached onto a lower surface of the flexible envelope.', 'a fixed member for tightly fixing the flexible envelope and the conductive terminal, the fixed member comprising2. The sealing structure according to further comprising:an internal sealing gasket disposed within the flexible envelope and between the flexible envelope and the conductive ...

SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME

A secondary battery has: an electrode group which includes sheet-form positive and negative electrode plates each including a metallic foil having an active material applied onto both sides of the metallic foil, and a separator disposed between the positive and negative electrode plates, wherein the positive and negative electrode plates and the separator are spirally wound together around a winding core into a flattened shape, wherein the electrode group has, at the both ends thereof as viewed in the winding core direction, respectively formed metallic foil exposed portions of the positive and negative electrode plates onto which the active material is not applied; a battery container which contains the electrode group therein, wherein the battery container has a battery casing and a battery cap; and positive and negative external terminals electrically connected to the metallic foil exposed portions of the positive and negative electrode plates, respectively. Winding end portions in the metallic foil exposed portions of the positive and negative electrode plates are arranged opposite to the inner surface of the battery container through respective conducting members. 1. A secondary battery comprising:an electrode group including sheet-form positive and negative electrode plates each including a metallic foil having an active material applied onto both sides of the metallic foil, and a separator disposed between the positive and negative electrode plates, the positive and negative electrode plates and the separator being spirally wound together around a winding core into a flattened shape, the electrode group having, at the both ends thereof as viewed in the winding core direction, respectively formed metallic foil exposed portions of the positive and negative electrode plates onto which the active material is not applied;a battery container which contains the electrode group therein, the battery container having a battery casing and a battery cap; andpositive and ...

SECONDARY BATTERY

An object is to provide a secondary battery in which decomposition of an electrolyte liquid is suppressed and generation of a gas is reduced, even in the case of using a laminate film as a package. Further, the present exemplary embodiment provides a secondary battery of stacked laminate type comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other, an electrolyte liquid and a package accommodating the electrode assembly and said electrolyte liquid, wherein the negative electrode is formed by binding a negative electrode active substance comprising a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with at least one selected from polyimides and polyamideimides, and the electrolyte liquid comprises a predetermined nitrile compound. 1. A secondary battery , comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other , an electrolyte liquid and a package accommodating the electrode assembly and the electrolyte liquid ,wherein the negative electrode is formed by binding a negative electrode active substance comprising a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with at least one selected from polyimides and polyamideimides, andthe electrolyte liquid comprises a nitrile compound that is represented by the following general formula (1), andthe electrode assembly has a stacked structure, and {'br': None, 'R1-CN\u2003\u2003(1)'}, 'the package is a laminate film.'}[R1 denotes a substituted or non-substituted saturated hydrocarbon group or a substituted or non-substituted aromatic ...

METHOD FOR MANUFACTURING A BATTERY SHELL APPLICABLE TO AN ELECTRONIC DEVICE

The disclosure discloses a method for manufacturing a battery shell applicable to an electronic device. The method includes providing a metal substrate, a metal implanting component including a connecting part disposed thereon; bonding the metal implanting component to the metal substrate; and forming a plastic component on the metal substrate by an insert molding process. The plastic component covers the metal implanting component. By bonding the plastic component to the bonding part of the metal implanting component, the bonding strength is enforced. 1. A method for manufacturing a battery shell applicable to an electronic device , comprising:providing a metal substrate, and a metal implanting component including a bonding part disposed thereon;bonding the metal implanting component to the metal substrate; andforming a plastic component on the metal substrate by an insert molding process;wherein the plastic component covers the metal implanting component, and the plastic component is bonded to the bonding part of the metal implanting component.2. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the bonding part is a through hole.3. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the bonding part is a protruding rib.4. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the bonding part is a hook.5. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the bonding part is a groove.6. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the metal implanting component is implanted in the metal substrate by spot welding.7. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the metal implanting ...

SECONDARY BATTERY OF NOVEL STRUCTURE

Disclosed herein is a plate-shaped secondary battery configured to have a structure in which an electrode assembly of a cathode/separator/anode structure is mounted in a battery case in a sealed state by thermal welding, wherein a protuberance is formed at an outer edge sealed portion of an electrode assembly receiving part of the battery case such that the protuberance protrudes upward and downward from the sealed portion, and the protuberance extends along the outer edge of the electrode assembly receiving part continuously in a curved line or in a straight line in a state in which the protuberance is adjacent to the electrode assembly receiving part. 1. A plate-shaped secondary battery configured to have a structure in which an electrode assembly of a cathode/separator/anode structure is mounted in a battery case in a sealed state by thermal welding , wherein a protuberance is formed at an outer edge sealed portion of an electrode assembly receiving part of the battery case such that the protuberance protrudes upward and downward from the sealed portion , and the protuberance extends along the outer edge of the electrode assembly receiving part continuously in a curved line or in a straight line in a state in which the protuberance is adjacent to the electrode assembly receiving part.2. The secondary battery according to claim 1 , wherein the protuberance is disposed in noncontact with the electrode assembly receiving part.3. The secondary battery according to claim 1 , wherein the protuberance has a width equivalent to 30% or less that of the sealed portion.4. The secondary battery according to claim 1 , wherein the protuberance has a height equivalent to 105% to 300% that of the sealed portion.5. The secondary battery according to claim 1 , wherein a middle of the protuberance is spaced apart from the electrode assembly receiving part by a distance equivalent to 40% or less a width of the sealed portion.6. The secondary battery according to claim 1 , wherein ...

BATTERY CELL MODULE, BATTERY, AND MOTOR VEHICLE

A battery cell module includes a plurality of battery cells, in particular lithium-ion battery cells which are arranged in a packet and each of which has a substantially prismatic cell housing. Each cell housing has the three dimensions: housing height, housing width, and housing depth. Two of the dimensions are carried out in a substantially identical manner in all the battery cells of the battery cell module, and the third dimension is carried out differently in at least two battery cells of the battery cell module. A battery includes said battery cell module and a motor vehicle includes said battery. 1. A battery cell module , comprising: a respective cell housing has the three dimensions: housing height, housing width and housing depth, and', 'two dimensions of the three dimensions are substantially identical for all of the battery cells of the plurality of battery cells, and a third dimension of the three dimensions differs for at least two battery cells of the plurality of battery cells., 'a plurality of battery cells arranged in a pack and each having a substantially prismatic cell housing, wherein2. The battery cell module as claimed in claim 1 , wherein the two dimensions are the housing height and the housing width and the third dimension is the housing depth.3. The battery cell module as claimed in claim 1 , further comprising:a pair of clamping plates of substantially equal size, wherein each clamping plate of the pair of clamping plates is configured to bear against a housing wall of an outer battery cell of the battery cell module and to exert a force on said outer battery cell in a direction of the other clamping plate of the pair of clamping plates.4. The battery cell module as claimed in claim 1 , further comprising:at least one cooling plate configured to bear against an outer surface formed by the pack of battery cells.5. The battery cell module as claimed in claim 1 , wherein:each battery cell of the plurality of battery cells has a terminal, ...

PRISMATIC ELECTROCHEMICAL CELL

Systems are disclosed for battery modules having a plurality of electrochemical cells and cooling systems. According to one embodiment, a battery system includes a plurality of battery modules. Each battery module includes a plurality of electrochemical cells in thermal contact with a heat sink. The heat sink may utilize a plurality of fins and a fluid (e.g., air) to cool or heat the electrochemical cells. The electrochemical cells each have a positive terminal blade and a negative terminal blade that function as external terminals for the cell. The negative terminal blade is electrically isolated from the cover of the cell and is configured to be coupled to an internal negative terminal of the cell. 1. An electrochemical cell , comprising:a prismatic container; andan electrode assembly configured to be disposed in the prismatic container, the electrode assembly having a plurality of positive electrode plates and a plurality of negative electrode plates, the plurality of positive electrode plates each having a first tab that extends from an end of each respective positive electrode plate, and the plurality of negative electrode plates each having a second tab that extends from an end of each respective negative electrode plate.2. The electrochemical cell of claim 1 , wherein the first tabs of each positive electrode plate are crimped together claim 1 , and the second tabs of each negative electrode plate are crimped together.3. The electrochemical cell of claim 2 , wherein each respective positive electrode plate and each respective negative electrode plate is electrically isolated from one another by separators disposed between each respective positive electrode plate and each respective negative electrode plate.4. The electrochemical cell of claim 3 , having a negative current collector conductively coupled to the crimped tabs of the plurality of negative electrode plates.5. The electrochemical cell of claim 4 , having a negative terminal conductively coupled to ...

BATTERY

According to one embodiment, a battery includes, an electrode body includes a positive electrode plate, a negative electrode plate, and an insulating separator disposed between the positive and negative electrode plates, a lead electrically connected to the electrode body, and a metal terminal includes a cavity electrically connected to the lead at any one point. 1. A battery comprising:an electrode body comprising a positive electrode plate, a negative electrode plate, and an insulating separator disposed between the positive and negative electrode plates;a lead electrically connected to the electrode body; anda metal terminal comprising a cavity electrically connected to the lead at any one point.2. The battery of claim 1 , wherein the cavity is formed so that a region near a central portion thereof electrically connected to the lead is thinner-walled than a part of a side peripheral portion thereof claim 1 , the central portion and the lead being electrically connected to each other by welding.3. The battery of claim 1 , wherein the cavity comprises a substantially flat central portion and a side peripheral portion formed substantially perpendicular to the central portion.4. The battery of claim 3 , wherein the inner surface of the side peripheral portion is substantially cylindrical claim 3 , and the substantially flat central portion is substantially circular.5. A battery comprising:an electrode body comprising a positive electrode plate, a negative electrode plate, and an insulating separator disposed between the positive and negative electrode plates;a lead electrically connected to the electrode body; anda metal terminal comprising a through hole portion and a side peripheral portion electrically connected to the lead.6. The battery of claim 1 , further comprising a plastic first case member comprising the terminal and a plastic second case member which accommodates the electrode body.7. The battery of claim 6 , wherein the lead comprises a connector ...

BATTERY ASSEMBLY AND ELECTRICALLY CONDUCTIVE MEMBER

According to one embodiment, battery assembly includes casing, accumulators, and conductive member. The conductive member has two first walls, two second walls, and third wall. One of the first walls is connected to one of a cathode and an anode of one of the accumulators, and extended along a front surface of the casing. Other one of the first walls is connected to one of the cathode and the anode of other one of the accumulators, and extended along the front surface. The second walls are connected to the first walls via two first curve portions, respectively, and extended in direction crossing the front surface. The third wall is connected to the second walls via two second curve portions, respectively, and extended over between the two second walls in direction along the front surface at a position apart from the front surface. 1. A battery assembly comprising:a casing having a front surface and provided with a plurality of containers;a plurality of electric accumulators housed in the containers, respectively, each of the electric accumulators having a cathode and an anode; and one of the first walls is connected to one of the cathode and the anode of one of the electric accumulators and extended along the front surface of the casing,', 'other one of the first walls is connected to one of the cathode and the anode of other one of the electric accumulators and extended along the front surface of the casing,', 'the second walls are connected to the first walls via two first curve portions, respectively, and are extended in a direction crossing the front surface,', 'the third wall is connected to the second walls via two second curve portions, respectively, and extended over between the two second walls in a direction along the front surface at a position apart from the front surface., 'a conductive member having two first walls, two second walls, and a third wall, wherein'}2. The battery assembly of claim 1 , wherein the third wall is bent in a state so as to be ...

ELECTRIC STORAGE DEVICE

In order to accurately protect current collectors included in an electric storage device, the electric storage device includes an electric storage element arranged inside an electric storage device case BC; an electrode terminal arranged outside the electric storage device case; a current collector including a first posture part FP and a second posture part SP, the first posture part FP extending along a surface of the electric storage device case on which the electrode terminal is arranged, the second posture part SP extending from an end portion of the first posture part toward the side opposite to the electrode terminal, the current collector fixed at the first posture part FP by means of a fixing member penetrating through an opening formed in the electric storage device case, the current collector supporting the electric storage element by the second posture part SP, thereby electrically connecting the electrode terminal and the electric storage element ; and a reinforcing member arranged on the side of the first posture part FP where the electric storage element is present, so as to extend longer toward the second posture part side than the fixing member , and sandwiched and fixed between the first posture part FP and the fixing member 1. An electric storage device comprising:an electric storage element arranged inside an electric storage device case;an electrode terminal arranged outside the electric storage device case;a current collector including a first posture part and a second posture part, the first posture part extending along a surface of the electric storage device case on which the electrode terminal is arranged, the second posture part extending from an end portion of the first posture part toward the side opposite to the electrode terminal, the current collector fixed at the first posture part by means of a fixing member penetrating through an opening formed in the electric storage device case, the current collector supporting the electric ...

Integrated Thermal Event Suppression Apparatus

A method of suppressing thermal event for an automotive battery pack having a thermal event suppression apparatus attached to said battery pack; wherein said suppression apparatus has a nozzle that sprays a fire extinguishing media, and having said nozzle extended into a housing of said battery pack; and wherein said suppression apparatus has a thermal event detector to detect a threshold temperature, and said detector triggers a valve to open, allowing said nozzle to spray said media into the housing. 1. A thermal event suppression apparatus for an automotive battery pack comprising:a fire extinguishing media case;a fire extinguishing media enclosed within said media case;a spray nozzle;a conduit fluidly connecting said media case to said nozzle, and wherein said nozzle is adapted to be enclosed within a housing of the battery pack;a thermal event detector coupled to the conduit, wherein the thermal event detector controls the opening of a valve in the conduit based on a temperature surrounding the thermal event detector.2. The apparatus of claim 1 , wherein the nozzle is adapted to spray said media within said housing of the battery pack.3. The apparatus of claim 2 , wherein the thermal event detector is a metallic strip detector claim 2 , and wherein a metallic strip in the detector melts under a specific heat threshold.4. The apparatus of claim 2 , wherein the thermal event detector has a thermal sensor claim 2 , said thermal sensor is connected to an electrical control unit.5. The apparatus of claim 4 , wherein the thermal sensor triggers the electrical control unit when the thermal sensor senses a temperature over a specific threshold.6. The apparatus of claim 2 , further including an attachment support to attach the extinguishing media case on one side of the housing of the battery pack.7. The apparatus of claim 1 , wherein the fire extinguishing media is at least one of a class A type claim 1 , class B type claim 1 , class C type claim 1 , and class D type ...

Battery module case

The present invention relates to a battery module case, and more particularly, to a battery module case in which sub-battery modules are slidably mounted in a vertical or horizontal direction, wherein each sub-battery module comprises one or more battery cells, electrode tabs extending in one direction from the respective battery cells, and a pouched type case consisting of aluminum laminate sheets for covering the surfaces of the battery cells, except for the surfaces on which the electrode tabs are formed. The battery module case of the present invention is formed into an assembly type structure to be coupled to the outer surfaces of the sub-battery modules, wherein the outer surfaces include surfaces on which the electrode tabs are formed. At least two or more sub-battery modules are stacked and arranged in parallel, such that the surfaces on which the electrode tabs are formed are aligned in the same direction.

Film covered battery and method for screening same

A film covered battery has a battery element equipped with a plurality of electrode plates laminated via separators, and an exterior film for hermetically sealing the battery element. A cover film is attached to a hollow present in predetermined regions set on a surface of the exterior film. The predetermined regions are regions obtained by removing overlap regions from projected regions obtained by projecting the electrode plates to the surface of the exterior film, the overlap regions being regions where the projected regions overlap with members interposed between the electrode plates at the outermost layers and the exterior film. It is possible to cover the hollow on the surface, without increasing the thickness of the film covered battery.

Molten salt battery and method for production thereof

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

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

A nonaqueous electrolyte secondary battery includes: a stacked electrode assembly formed by stacking a plurality of layers of a positive electrode plate and a plurality of layers of a negative electrode plate with a separator interposed therebetween; a nonaqueous electrolyte; and an aluminum laminated outer body that stores the stacked electrode assembly and into which the nonaqueous electrolyte is poured. The positive electrode plate contains a positive electrode active material. The negative electrode plate contains a negative electrode active material. The stacked electrode assembly includes an inorganic particle layer containing a binder and inorganic particles between the positive electrode plate and the separator or between the negative electrode plate and the separator, or both. The nonaqueous electrolyte is also prepared by adding LiPFOthereto. 1. A nonaqueous electrolyte secondary battery comprising:a stacked electrode assembly formed by stacking a plurality of layers of a positive electrode plate and a plurality of layers of a negative electrode plate with a separator interposed therebetween; andan outer body storing the stacked electrode assembly and a nonaqueous electrolyte, the stacked electrode assembly including an inorganic particle layer containing a binder and inorganic particles between the positive electrode plate and the separator or between the negative electrode plate and the separator, or both, and{'sub': 2', '2, 'the nonaqueous electrolyte containing LiPFO(lithium difluorophosphate).'}2. The nonaqueous electrolyte secondary battery according to claim 1 , whereinthe separator includes a rectangular first separator and a belt-shaped second separator; the inorganic particle layer is formed between at least one surface of the first separator and the second separator, and the positive electrode plate or the negative electrode plate; the stacked electrode assembly includes a unit cell including the first separator provided with the positive ...

Nonaqueous electrolyte secondary battery

A nonaqueous electrolyte secondary battery according to an embodiment of the present invention includes an electrode assembly, a nonaqueous electrolyte, and a container. The electrode assembly has a positive electrode, a negative electrode, and a separator. The positive electrode contains particles of a lithium transition metal compound as a positive electrode active material. The negative electrode is opposed to the positive electrode. The separator is disposed between the positive electrode and the negative electrode. The nonaqueous electrolyte contains lithium difluorophosphate. The container houses the electrode assembly and the nonaqueous electrolyte. The battery capacity is not less than 21 Ah. The mean particle diameter (D 50 ) of the particles of the lithium transition metal compound is not less than 5 μm and not more than 15 μm. The (D 90 −D 10 )/D 50 of the particles of the lithium transition metal compound is under 1.1.

BATTERY

According to one embodiment, a battery includes an electrode group, at least one positive electrode current collector tab, at least one negative electrode current collector tab, and a case. The case includes a case portion and an edge portion. The edge portion includes a heat sealed part configured to seal the case portion and a non-sealed part. The electrode group is housed in the case portion while an end portion of at least one of the positive electrode current collector tab and the negative electrode current collector tab is provided in the non-sealed part. 1. A battery comprising: a positive electrode comprising an active material-containing layer,', 'a negative electrode comprising an active material-containing layer,', 'a separator provided between the positive and negative electrodes,', 'at least one positive electrode current collector tab that projects from one end portion of the electrode group, and', 'at least one negative electrode current collector tab that projects from the other end portion of the electrode group;, 'an electrode group comprising'}a case comprising a case portion where the electrode group is housed and an edge portion which comprises a heat sealed part configured to seal the case portion and a non-sealed part;a positive electrode lead electrically connected to the at least one positive electrode current collector tab such that an end portion extends outwardly through the edge portion of the case; anda negative electrode lead electrically connected to the at least one negative electrode current collector tab such that an end portion extends outwardly through the edge portion of the case,wherein the electrode group is housed in the case portion while an end portion of at least one of the positive electrode current collector tab and the negative electrode current collector tab is provided in the non-sealed part of the edge portion of case.2. The battery according to claim 1 , wherein the heat sealed part is produced under a depressurized ...

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

A battery (e.g., lithium-ion) cell having fewer components than conventional cells. A metallic housing, having a winding element, two current collectors, and an electrolyte, is closed off in a gas- and pressure-tight manner with a cover assembly having a cover plate by which a housing opening is largely closed off. A click spring area (formable in this plate) has a smaller thickness than surrounding areas of the plate, and can snap from a first state, in which the click spring area is bent inwardly into the housing, into a second state in which the click spring area is bent outwardly from the housing when a threshold internal pressure in the housing is exceeded, and establishes an electrical connection between the plate and a current collector. When there is a pressure rise in the housing due to temperature, for example, the battery cell may be deactivated in a targeted manner. 1. A battery cell , comprising:a winding element composed of a wound stack made of a first foil coated with anode material, a second foil coated with cathode material, and two plastic films which are used as diaphragms;an electrolyte;two current collectors, one of which is connected to the first foil, and one of which is connected to the second foil, in an electrically conductive manner;a housing having a metallic container and a metallic cover assembly;wherein the metallic container has an opening through which the winding element and the two current collectors are introduceable into the housing during manufacture of the battery cell,wherein the metallic cover assembly has a cover plate which closes off the opening in the metallic container in a gas-tight and pressure-tight manner, a leadthrough arrangement being provided on the cover assembly for leading electrically conductive contact arrangements in a gas-tight manner, which are in contact with each of the current collectors inside the housing, through the cover plate out of the housing, andwherein the cover plate has a click spring area ...

ELECTROCHEMICAL CELL

In an electrochemical cell including a cathode , an anode , electrolyte , a hollow container accommodating these members, and terminals extending from the inside to the outside of the hollow container , the terminals include a plurality of inner terminals formed on the inner surface of the hollow container , a cathode outer terminal formed on the outer surface of the hollow container , and an inner layer wire formed on the inner layer of the hollow container for commonly connecting the plurality of inner terminals to the cathode outer terminal 1. An electrochemical cell comprising:a hollow container having a bottom portion, wherein the bottom portion is provided with via holes;a plurality of via wires each provided in one of the via holes, wherein each via wire has an exposed portion that is exposed from an inner bottom surface of the hollow container;an outer terminal formed on an outer bottom surface of the hollow container;a seal ring bonded to an open portion of the hollow container;a lid joined to the seal ring, wherein the open portion of the hollow container is closed by the lid;a protective film provided on the inner bottom surface of the hollow container, wherein the protective film entirely covers all the exposed portions of the via wires together with portions of the inner bottom surface each of which is a periphery of one of the via wires; anda pair of electrodes and an electrolyte, wherein the hollow container, the seal ring, and the lid define a space for accommodating the pair of electrodes and the electrolyte,wherein the hollow container is made of ceramic,wherein the seal ring and the lid are made of metal,wherein the electrolyte is in the form of a liquid or a gel,wherein the protective film is made of a material different from that of the via wires and having greater corrosion resistance than that of the via wires when coming into contact with the electrolyte,wherein the exposed portion of each via wire is electrically connected to one of the pair ...

Gasket for secondary battery

An object is to provide a gasket for a secondary battery having excellent compressive restoration characteristics. A gasket for a secondary battery (particularly for a lithium secondary battery) is a gasket used as an insulation seal of a secondary battery, and is a hot-press and cold-press molded product (particularly, a product which is hot-pressed into a gasket shape under a temperature condition lower than a melting point of a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer (PFA) that is used by 0° C. to 80° C. and is thereafter cooled under pressure) obtained by hot-pressing a skived sheet obtained by skiving a block-shaped molded body (particularly, a columnar or cylindrical molded body obtained by injecting a PFA raw material into a heated mold to be pressurized and cooling the material under pressure) made of a PFA to be deformed into a gasket shape and thereafter performing cold-pressing on the resultant to fix a shape thereof.

Battery module with improved frame structure and frame assembly therefor

The present disclosure provides a battery module including: at least one cell; and a fame assembly including a lower plate configured to support a lower end surface of the cell, a side plate extending perpendicularly from any opposite edge ends of the lower plate and placed adjacent to an outermost side of the cell, and an upper plate coupled to an upper end of the side plate to cover an upper portion of the cell.

ELECTRODE ASSEMBLY, BATTERY AND DEVICE INCLUDING THE SAME

The present disclosure relates to an electrode assembly formed by stacking a plurality of electrode units, the electrode assembly including: two or more steps formed by stacking three or more types of the electrode units having different areas, wherein an array of electrode units having a maximum area among the electrode units is positioned in the interior of the electrode assembly, and electrodes having different polarities face each other at an interface between the electrode units having different areas. 1. An electrode assembly formed by stacking a plurality of electrode units , the electrode assembly comprising: two or more steps formed by stacking three or more types of the electrode units having different areas ,wherein an array of electrode units having a maximum area among the electrode units is positioned in the interior of the electrode assembly, andelectrodes having different polarities face each other at an interface between the electrode units having different areas.2. The electrode assembly of claim 1 , wherein each of the electrode units is formed of a single electrode claim 1 , a unit cell including a positive electrode and a negative electrode with a separation film interposed therebetween claim 1 , or a combination thereof.3. The electrode assembly of claim 2 , wherein the unit cell is manufactured by a jelly-roll method claim 2 , a stacking method claim 2 , a stacking and folding method or a lamination and stacking method.4. The electrode assembly of claim 1 , wherein in each of the electrode units claim 1 , an electrode surface thereof has a quadrangular shape in which at least one corner is curved or at least one side is curved.5. The electrode assembly of claim 1 , wherein at least one of the three or more types of the electrode units has an electrode surface shape different from that of a remainder thereof.6. A secondary battery comprising the electrode assembly of claim 1 , embedded in a battery case.7. The secondary battery of claim 6 , ...

BATTERY CELL AND BATTERY SYSTEM

The invention relates to a battery cell (), comprising a prismatically designed cell housing with a cover surface (), on which a negative terminal () and a positive terminal () are arranged, and an electrode coil () arranged within the cell housing and comprising a cathode () and an anode (). The electrode coil () is fixed to the cover surface () by means of an electrically insulating holder (), and the holder () is connected to at least one electrically insulating spacer () which is fastened to the cover surface (). The invention also relates to a battery system which comprises at least one battery cell () according to the invention. 12. A battery cell () comprising:{'b': 3', '31', '11', '12, 'a prismatically-designed cell housing () having a cover surface (), on which a negative terminal () and a positive terminal () are arranged, and'}{'b': 10', '3', '14', '16, 'at least one electrode coil () arranged within the cell housing () and having a cathode () and an anode (),'}wherein{'b': 10', '31', '70', '80', '90', '100, 'the at least one electrode coil () is fastened to the cover surface () by means of an electrically-insulating holder (, , , ),'}{'b': 70', '80', '90', '100', '67', '68, 'wherein the holder (, , , ) is connected to at least one electrically-insulating spacer (, ).'}22676831. The battery cell () as claimed in claim 1 , wherein the spacer ( claim 1 , ) is fastened to the cover surface ().32676831415114161112. The battery cell () as claimed in claim 2 , wherein the spacer ( claim 2 , ) is secured to the cover surface () by a collector ( claim 2 , ) claim 2 , which electrically connects the cathode () or the anode () to a terminal ( claim 2 , ).42701070. The battery cell () as claimed in claim 1 , wherein the holder () is configured as a frame-type structure claim 1 , and in that the at least one electrode coil () is lodged in the holder ().521031. The battery cell () as claimed in claim 4 , wherein the at least one electrode coil () is wound around a ...

Battery, assembled battery, and mounting device

A battery includes a bottomed case of box shape housing a power-generating element, a lid component for the case, a terminal electrode provided outside the case and extending in the direction of the thickness of the lid component, a take-out electrode passing through the lid component, provided for taking out an electric power of the power-generating element to the outside of the case, and disposed at a position different from that of the terminal electrode within a plane including the lid component, and a connecting member connecting the terminal electrode and the take-out electrode and including a thinner portion allowing bending of the connecting member in response to an external force applied to the terminal electrode in the direction of the thickness of the lid component.

Electrode Assembly Having Step, Secondary Battery, Battery Pack And Device Including Electrode Assembly, And Method Of Manufacturing Electrode Assembly

There is provided an electrode assembly including a first electrode laminate having at least one or more electrode units having a first area, stacked therein, a second electrode laminate having at least one or more electrode units having a second area smaller than the first area, stacked therein, and a step portion provided by stacking the first electrode laminate and the second electrode laminate in a direction perpendicular to a plane and having a step formed due to a difference in areas of the first and second electrode laminates, the electrode assembly being characterized in that, the electrode unit is wound by a rectangular-shaped separation film such that at least a portion of the rectangular-shaped separation film covers the step portion of the electrode assembly, and a step having a shape identical to the step portion is formed. 1. (canceled)2. An electrode assembly including a first electrode laminate having at least one or more electrode units having a first area , stacked therein , a second electrode laminate having at least one or more electrode units having a second area smaller than the first area , stacked therein , and a step portion provided by stacking the first electrode laminate and the second electrode laminate in a direction perpendicular to a plane and having a step formed due to a difference in areas of the first and second electrode laminates , the electrode assembly being characterized in that ,the at least one or more electrode units of the first electrode laminate and the second electrode laminate are wound and surrounded by a rectangular-shaped separation film such that at least a portion of the rectangular-shaped separation film covers the step portion of the electrode assembly, the rectangular-shaped separation film initially having a constant thickness when wound around the at least one or more electrode units of the first electrode laminate and the second electrode laminate, wherein the rectangular-shaped separation film forms a ...

RECHARGEABLE BATTERY AND BATTERY MODULE

A rechargeable battery and a battery module are provided. According to embodiments, a rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator; a case accommodating the electrode assembly therein and including an open side; a cap plate coupled to the open side of the case; and a terminal portion arranged on the cap plate to be electrically connected to the electrode assembly, and the terminal portion is slidable in a direction on the cap plate. 1. A rechargeable battery comprising:an electrode assembly comprising a first electrode, a second electrode, and a separator;a case accommodating the electrode assembly therein and comprising an open side;a cap plate coupled to the open side of the case; anda terminal portion arranged on the cap plate to be electrically connected to the electrode assembly,wherein the terminal portion is slidable in a direction on the cap plate.2. The rechargeable battery of claim 1 , whereinthe direction is parallel to a width direction of the cap plate, andthe terminal portion is slidable by an external force transferred in the direction.3. The rechargeable battery of claim 1 , whereinthe cap plate comprises a guide protrusion that extends in the direction and protrudes toward the terminal portion, andthe terminal portion comprises a guide groove that extends in the direction and into which the guide protrusion is inserted to be slidable.4. The rechargeable battery of claim 3 , wherein the cap plate further comprises a stepped groove that is stepped on an inner side of the case and into which at least a portion of the terminal portion is slidably inserted.5. The rechargeable battery of claim 4 , wherein the terminal portion further comprises an insertion portion having a length that is shorter than the stepped groove in the direction and protruding toward the stepped groove to be inserted into the stepped groove.6. The rechargeable battery of claim 4 , whereinthe guide protrusion ...

POUCH-TYPE SECONDARY BATTERY FOR PREVENTING WATER PERMEATION

Disclosed is a pouch-type secondary battery. The pouch-type secondary battery according to the present disclosure includes an electrode assembly comprising a cathode plate and an anode plate and a separator interposed between the cathode plate and the anode plate; and a pouch-type case formed by receiving and packaging the electrode assembly and an electrolyte solution inside, the pouch-type case having a sealing part formed along a circumference thereof, wherein a water permeation prevention member is attached to the entire sealing part formed along the circumference of the pouch-type case by welding. 1. A pouch-type secondary battery comprising:an electrode assembly comprising a cathode plate and an anode plate and a separator interposed between the cathode plate and the anode plate; anda pouch-type case formed by receiving and packaging the electrode assembly and an electrolyte solution inside, the pouch-type case having a sealing part formed along a circumference thereof,wherein a water permeation prevention member is attached to the entire sealing part formed along the circumference of the pouch-type case by welding.2. The pouch-type secondary battery according to claim 1 , wherein the water permeation prevention member is formed thicker in a thicknesswise direction in which the water permeation prevention member is attached to the end of the sealing part than in a heightwise direction in which the water permeation prevention member is attached to the top and bottom of the sealing part claim 1 , and the water permeation prevention member is attached by welding.3. The pouch-type secondary battery according to claim 1 , wherein a hole is formed by pressing the sealing part using a molding jig with a plurality of protrusions claim 1 , and the water permeation prevention member fills the hole by welding and is attached to the entire sealing part.4. The pouch-type secondary battery according to claim 3 , wherein the hole is formed in a quadrangular shape along a ...

Rechargeable battery having insulation layer

A rechargeable battery includes an electrode assembly including a positive electrode and a negative electrode, a case receiving the electrode assembly, a cap plate coupled to the case, a vent plate under the cap plate, the vent plate including a notch, a middle plate under the vent plate, and a laminating insulating layer between the vent plate and the middle plate, the laminating insulating layer being laminated to the vent plate or the middle plate.

POWER STORAGE DEVICE

A power storage device includes an electrode assembly, a case that houses the electrode assembly, and an insulating sheet, which insulates the electrode assembly and the case from each other. The electrode assembly has a layered structure in which positive electrodes and negative electrodes are stacked. The electrode assembly has a first end face, which is orthogonal to the stacking direction, two primary faces, which are located on both sides in the stacking direction, and a tab, which extends on the first end face in the direction orthogonal to the stacking direction. The insulating sheet has a folded box shape, and further has two primary face covering portions, which respectively cover the primary faces of the electrode assembly, and non-primary-face covering portions, which cover the first end face of the electrode assembly and faces other than the primary faces thereof and are continuous with the primary face covering portions. The non-primary face covering portions overlap at least partially with each other. 1. A power storage device comprising:an electrode assembly with a layered structure in which a positive electrode and a negative electrode are stacked, the electrode assembly being configured to have a first end face parallel with a stacking direction, two primary faces located on both sides in the stacking direction, and a tab extending from the first end face in a direction orthogonal to the stacking direction;a case configured to house the electrode assembly; andan insulating sheet configured to insulate the electrode assembly from the case, whereinthe insulating sheet is shaped like a folded box, has two primary-face covering portions that cover the primary faces of the electrode assembly, and has non-primary-face covering portions that cover the first end face of the electrode assembly and faces other than the primary faces and are continuous with the primary-face covering portions,at least one of the non-primary-face covering portions has parts that ...

VENT HOUSING FOR ADVANCED BATTERIES

A system includes a vent housing configured to be installed on a lower housing of a battery module at a first side of the vent housing. The vent housing has a main body having an opening on a second side of the vent housing and an internal chamber coupled to the opening. The internal chamber includes a first wall having an internal burst vent configured to open at a first pressure threshold and a second wall having a ventilation vent comprising a gas-selective permeability layer. 1. A system , comprising: a main body having an opening on a second side of the vent housing; and', a first wall having an internal burst vent configured to open at a first pressure threshold; and', 'a second wall having a ventilation vent comprising a gas-selective permeability layer., 'an internal chamber coupled to the opening, comprising], 'a vent housing configured to be installed on a lower housing of a battery module at a first side of the vent housing, comprising2. The system of claim 1 , wherein the vent housing comprises a face plate coupled to a face of the main body and disposed over the opening.3. The system of claim 2 , wherein the face plate comprises hose connector configured to enable connection with a vent hose.4. The system of claim 3 , wherein the hose connector is configured to direct gases from the internal chamber in a specific direction through the face plate.5. The system of claim 3 , wherein the hose connector comprises an annular insert in the face plate.6. The system of claim 2 , wherein the vent housing comprises a gasket disposed between the face plate and the face of the vent housing claim 2 , wherein the gasket is configured to restrict movement of gases passing between the face plate and the face of the vent housing.7. The system of claim 1 , wherein the internal burst vent comprises a valve seat disposed in the first wall claim 1 , and a valve retained within the valve seat claim 1 , and the first amount is such that the valve remains partially retained in ...

RECHARGEABLE BATTERY

A battery includes a case accommodating an electrode assembly, the case including an opening at one end and including at least one sidewall, the sidewall having a coupling portion adjacent to the opening, a cap plate that closes the opening, the cap plate having an upper surface, the coupling portion of the sidewall connecting the cap plate to the case, the coupling portion including a top surface of the sidewall, the cap plate overlying a first portion of the top surface of the sidewall, such that the upper surface of the cap plate is entirely above top surface of the sidewall, and a welding bead contacting the cap plate and a second portion of the top surface of the sidewall, the second portion of the top surface being between the first portion and an outer surface of the sidewall. 1. A battery , including:a case accommodating an electrode assembly, the case including an opening at one end and including at least one sidewall, the sidewall having a coupling portion adjacent to the opening;a cap plate that closes the opening, the cap plate having an upper surface, the coupling portion of the sidewall connecting the cap plate to the case, the coupling portion including a top surface of the sidewall, the cap plate overlying a first portion of the top surface of the sidewall, such that the upper surface of the cap plate is entirely above top surface of the sidewall; anda welding bead contacting the cap plate and a second portion of the top surface of the sidewall, the second portion of the top surface being between the first portion and an outer surface of the sidewall.2. The battery as claimed in claim 1 , wherein the welding bead is entirely within the second portion of the top surface of the sidewall.3. The battery as claimed in claim 1 , wherein a width of second portion of the top surface in a thickness direction of the sidewall is about 0.6 times a total width of the top surface.4. The battery as claimed in claim 1 , wherein the cap plate further includes a ...

MANUFACTURING METHOD FOR WELDED STRUCTURE

A manufacturing method includes i) emitting a primary laser beam along a primary trajectory on a boundary between a first member and a second member by a welding apparatus; ii) emitting an advanced laser beam along an advanced trajectory that does not overlap the primary trajectory by the welding apparatus; and iii) emitting a subsequent laser beam along a subsequent trajectory that does not overlap the primary trajectory and the advanced trajectory by the welding apparatus. 1. A manufacturing method for a welded structure , the welded structure being manufactured by joining a boundary between a first member and a second member that abut against each other by laser welding using a welding apparatus , and the welding apparatus that emits a primary laser beam scanning the boundary between the first member and the second member , an advanced laser beam that an irradiation position of the advanced laser beam is in front of an irradiation position of the primary laser beam in a direction of movement , and a subsequent laser beam that an irradiation position of the subsequent laser beam is at rear of the irradiation position of the primary laser beam in the direction of movement , the manufacturing method comprising:emitting the primary laser beam along a primary trajectory on the boundary between the first member and the second member by the welding apparatus;emitting the advanced laser beam along an advanced trajectory that does not overlap the primary trajectory by the welding apparatus; andemitting the subsequent laser beam along a subsequent trajectory that does not overlap the primary trajectory and the advanced trajectory by the welding apparatus.2. The manufacturing method according to claim 1 , wherein the advanced laser beam and the subsequent laser beam are emitted by the welding apparatus such that the irradiation position of the advanced laser beam and the irradiation position of the subsequent laser beam become symmetrical about an inclination axis claim 1 , ...

ACCUMULATOR ARRANGEMENT

An accumulator arrangement with a plurality of battery modules for a motor vehicle may include an accumulator housing having a receiving space for receiving a plurality of battery modules. The accumulator housing may have a base and a wall. The accumulator arrangement may also include at least one energy receiving arrangement configured to receive an impact energy in case of an impact. The at least one energy receiving arrangement may include a wall part and a beam part. The wall part may include a plurality of first gripping elements aligned transversely to a wall direction. The beam part may include a plurality of second gripping elements aligned transversely to the wall direction. The plurality of first gripping elements and the plurality of second gripping elements may engage one another in an overlapping direction such that, in the case of an impact, the impact energy is received by the gripping elements. 1. An accumulator arrangement with a plurality of battery modules for a motor vehicle , comprising:an accumulator housing having a receiving space for receiving the plurality of battery modules;the accumulator housing including a base and a wall projecting perpendicularly from the base in a wall direction;at least one energy receiving arrangement configured to receive an impact energy in case of an impact, the at least one energy receiving arrangement including a wall part and a beam part, the wall part one of i) coupled on the wall of the accumulator housing and ii) defining the wall of the accumulator housing, and the beam part couplable on a beam of the motor vehicle; andwherein the wall part includes a plurality of first gripping elements aligned transversely to the wall direction, the beam part includes a plurality of second gripping elements aligned transversely to the wall direction, and the plurality of first gripping elements and the plurality of second gripping elements engage into one another in an overlapping direction such that in the case of an ...

SECONDARY BATTERY AND BATTERY MODULE HAVING THEREOF

A secondary battery may include a cell body member accommodating an electrode assembly therein; and a heat conductive member disposed between the cell body member and a cooling plate member to form a heat path for transferring heat from the cell body member, wherein the heat conductive member is in contact with the cooling plate member, and wherein a contact area of the cooling plate member and the heat conductive member is smaller than a cross-sectional area of the cell body member parallel to a thickness direction of the electrode assembly. 1. A secondary battery , comprising:a cell body member accommodating an electrode assembly therein; anda heat conductive member disposed between the cell body member and a cooling plate member to form a heat path for transferring heat from the cell body member,wherein the heat conductive member is in contact with the cooling plate member, andwherein a contact area of the cooling plate member and the heat conductive member is smaller than a cross-sectional area of the cell body member parallel to a thickness direction of the electrode assembly.2. The secondary battery of claim 1 , wherein an effective contact area percentage is 30% to 70%.3. The secondary battery of claim 1 , wherein an effective contact area percentage is 35% to 50%.4. The secondary battery of claim 1 , wherein the cell body member comprises:a tapered portion of which a cross-sectional area parallel to the thickness direction decreases toward one end of the tapered portion adjacent to the cooling plate member; anda contact area portion at the one end of the tapered portion and forming a smallest cross-sectional area of the cell body member parallel to the thickness direction.5. The secondary battery of claim 4 , wherein the heat conductive member is in contact with the contact area portion and has a surface area the same as a surface area of the contact area portion.6. The secondary battery of claim 5 , wherein the heat conductive member has a constant ...

RECHARGEABLE BATTERY HAVING EDGE BONDING PORTION

An exemplary embodiment of the present invention provides a rechargeable battery including an electrode assembly for performing charging and discharging operations, and a pouch case including a receiving portion into which the electrode assembly is accommodated and an edge bonding portion formed outside of the receiving portion. The edge bonding portion is formed to be inclined at an angle of 5° to 70° with respect to a bottom surface of the pouch case. 1. A rechargeable battery comprising:an electrode assembly for performing charging and discharging operations; anda pouch case including a receiving portion into which the electrode assembly is accommodated and an edge bonding portion formed outside of the receiving portion, wherein the edge bonding portion is formed to be inclined at an angle of 5° to 70° with respect to a bottom surface of the pouch case.2. The rechargeable battery of claim 1 , including a frame including a first cover and a second cover facing and combined thereto that encase the pouch case claim 1 , wherein a tilting protrusion is formed in the frame to contact and slantedly bend the edge bonding portion.3. The rechargeable battery of claim 2 , wherein a width of the edge bonding portion is formed larger than a thickness of the electrode assembly.4. The rechargeable battery of claim 3 , wherein the width of the edge bonding portion is 1.1 to 1.8 times the thickness of the electrode assembly.5. The rechargeable battery of claim 2 , wherein two tilting protrusions disposed to be spaced apart from each other are formed in the second cover claim 2 , and the receiving portion is positioned between the tilting protrusions.6. The rechargeable battery of claim 2 , wherein a mounting groove into which the receiving portion is inserted is formed in the first cover.7. The rechargeable battery of claim 6 , wherein the tilting protrusion is inserted into the mounting groove such that it contacts an inner wall of the mounting groove.8. The rechargeable battery ...

POWER SOURCE PACK

A power source pack includes: a housing formed of a container body and a lid portion; a cell stack housed in the housing, the cell stack including a battery; a first electrical component subunit electrically connected to the cell stack, the first electrical component subunit including a first electrical component such as a relay; and a second electrical component subunit electrically connected to the first electrical component subunit, the second electrical component subunit including a second electrical component such as a BMU. The cell stack, the first electrical component subunit and the second electrical component subunit are stacked in a first direction. 1. A power source pack comprising:a housing;a cell stack housed in the housing, the cell stack including an energy storage device;a first subunit electrically connected to the cell stack, the first subunit including a first electrical component; anda second subunit electrically connected to the first subunit, the second subunit including a second electrical component,wherein the cell stack, the first subunit and the second subunit are stacked in a first direction.2. The power source pack according to claim 1 , wherein the first electrical component has higher heat resistance than the second electrical component.3. The power source pack according to claim 1 , wherein the housing includes a lid portion in which the second subunit is accommodated claim 1 , and a housing body in which the cell stack and the first subunit are accommodated claim 1 , anda portion of the lid portion is detachable from remaining portions of the lid portion.4. The power source pack according to claim 1 , further comprising a connector connected to at least either one of the first subunit or the second subunit claim 1 ,wherein the connector is embedded in the housing.5. The power source pack according to claim 1 , wherein the first electrical component is at least any one of a relay claim 1 , a resistor and a bus bar. This application ...

AUXILIARY POWER SYSTEM

Apparatuses, systems and methods associated with an auxiliary power system design are disclosed herein. In embodiments, an auxiliary power system may be mounted within a vehicle or integrated into a starter battery of the vehicle. The auxiliary power system may include an auxiliary battery and circuitry coupled to the auxiliary battery and a vehicle electrical system of the vehicle. The vehicle electrical system may be used to start an engine of the vehicle. The circuitry may detect a trigger and couple the auxiliary battery to the vehicle electrical system in response to detection of the trigger. The auxiliary battery may provide power to the vehicle electrical system to start the engine of the vehicle when the auxiliary battery is coupled to the vehicle electrical system. Other embodiments may be described and/or claimed. 1. An auxiliary power system to be mounted within a vehicle , comprising:an auxiliary battery; and detect a trigger event;', 'couple the auxiliary battery to a vehicle electrical system of a vehicle in response to detection of the trigger event, the auxiliary battery to provide power to the vehicle electrical system to start an engine of the vehicle., 'circuitry coupled to the auxiliary battery, the circuitry to2. The auxiliary power system of claim 1 , wherein the auxiliary power system is mounted to or incorporated into a starter battery of the vehicle electrical system.3. The auxiliary power system of claim 1 , wherein the circuitry is further to:determine if a voltage of the auxiliary battery or a charge of the auxiliary battery is below a threshold value; andcharge the auxiliary battery from the vehicle electrical system in response to a determination that the voltage of the auxiliary battery or the charge of the auxiliary battery is below the threshold value.4. The auxiliary power system of claim 1 , wherein the circuitry is further to identify the trigger event based on a wireless communication received from a remote device via wireless ...

ELECTRIC STORAGE DEVICE AND ELECTRIC STORAGE APPARATUS PROVIDED WITH THE ELECTRIC STORAGE DEVICE

Provided is an electric storage device and an electric storage apparatus capable of suppressing an increase in thickness of a conductive member due to a rivet member being swaged. The present invention includes a rivet member provided with an insert part, and a conductive member provided with an insert-receiving part through which the insert part is inserted. The insert part has a higher Vickers hardness than the peripheral region of the insert-receiving part. 1. An electric storage device comprising:an electrode assembly comprising a positive electrode plate and a negative electrode plate that are insulated from each other;a case constituted by a partition wall, the case housing the electrode assembly;a rivet member comprising an insert part on one end, the rivet member being fixed to the partition wall; anda conductive member comprising an insert-receiving part through which the insert part is inserted, the conductive member being electrically connected to the rivet member, whereinthe insert part has a higher Vickers hardness than a peripheral region of the insert-receiving part of the conductive member, andthe insert part comprises, at a distal end of the insert part, a swaged part that is swaged while the insert part is inserted through the conductive member.2. The electric storage device according to claim 1 , whereinthe rivet member comprises a body part that is joined to the insert part and is in contact with the conductive member,the body part has a larger width dimension in a direction intersecting the insertion direction of the insert part than the insert-receiving part, andthe body part has a higher Vickers hardness than a region of the conductive member in contact with the body part.3. The electric storage device according to claim 2 , whereinthe body part has a non-circular shape as seen in the center axis direction of the insert-receiving part.4. The electric storage device according to claim 1 , whereinthe insert part has a non-circular shape as seen ...

SECONDARY BATTERY, ELECTRONIC DEVICE, AND VEHICLE

Provided is a secondary battery suitable for a portable information terminal or a wearable device, or an electronic device having a novel structure with a variety of forms and a secondary battery that fits the form of the electronic device. The secondary battery is sealed using a film having projections that can reduce stress on the film caused when external force is applied. The film has a pattern of projections formed by pressing (e.g., embossing). A top portion of each of the projections has a region thicker than a bottom portion of each of the projections. The thickness of the top portion of each of the projections is 1.5 or more times, preferably 2 or more times, as large as that of the bottom portion of each of the projections, and is a thickness such that each of the projections has a convex space. 1. A secondary battery comprising:a film comprising projections on a first surface with depressed portions on a second surface,wherein a first film thickness of a top portion of each of the projections is larger than a second film thickness of a bottom portion of each of the projections.2. The secondary battery according to claim 1 ,wherein the first film thickness is 1.5 or more times as large as the second film thickness.3. The secondary battery according to claim 1 ,wherein the projections are arranged regularly.4. The secondary battery according to claim 1 ,wherein the projections are arranged randomly.5. The secondary battery according to claim 1 ,wherein the film comprises a metal film and an insulating film, andwherein the metal film is in contact with the insulating film.6. The secondary battery according to claim 1 ,wherein at least a positive electrode active material layer, a negative electrode active material layer, and an electrolyte solution are surrounded by the film.7. An electronic device comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the secondary battery according to ; and'}a display device, a microphone, a speaker, an operation ...

BATTERY PACK

A battery pack includes a plurality of electrode assemblies, a lower housing including a plurality of receiving parts that receive the plurality of electrode assemblies, an upper cap coupled to a top portion of the lower housing, the upper cap sealing the plurality of receiving parts, and an upper housing combined with the lower housing. 1. A battery pack , comprising:a plurality of electrode assemblies;a lower housing including a plurality of receiving parts that receive the plurality of electrode assemblies;an upper cap coupled to a top portion of the lower housing, the upper cap sealing the plurality of receiving parts; andan upper housing combined with the lower housing.2. The battery pack as claimed in claim 1 , wherein:the lower housing and the upper cap are made of a plastic material, andthe upper cap and the lower housing are welded to each other by ultrasonic welding to be integrally coupled with each other.3. The battery pack as claimed in claim 1 , wherein:the lower housing includes a bottom surface, a pair of long side surfaces upwardly extending from the bottom surface and a pair of short side surfaces connecting the pair of long side surfaces, andbarriers are located between each of the plurality of receiving parts, the barriers being parallel to the long side surfaces.4. The battery pack as claimed in claim 3 , wherein the barriers include connecting grooves into which electrode tabs of adjacent electrode assemblies are bent and placed.5. The battery pack as claimed in claim 4 , wherein the pair of long side surfaces include draw-out grooves into which electrode tabs of outermost electrode assemblies among the plurality of electrode assemblies are bent and drawn out.6. The battery pack as claimed in claim 5 , wherein:each of electrode tabs drawn out from the draw-out grooves includes a sealing member, andthe electrode tabs are bent upwardly from the draw-out grooves and are mounted on the upper cap.7. The battery pack as claimed in claim 6 , further ...

SECONDARY BATTERY

A secondary battery includes a main body accommodating an electrode assembly, a wing portion bent in at least one portion, and a reinforcement member between the main body and the wing portion. Accordingly, as an external impact is blocked, the secondary battery has reduced danger of ignition, rupture, or explosion due to the external impact. 1. A secondary battery comprising:a main body accommodating an electrode assembly;a wing portion extending from the main body and bent in at least one portion; anda reinforcement member between the main body and the wing portion.2. The secondary battery of claim 1 , wherein the reinforcement member includes a circular rod having a circular cross-section.3. The secondary battery of claim 1 , wherein the reinforcement member includes a rectangular rod having a rectangular cross-section.4. The secondary battery of claim 3 , wherein the reinforcement member has a rectangular cross-section and a pair of long side portions facing the main body and the wing portion and a pair of short side portions between the long side portions.5. The secondary battery of claim 1 , wherein the wing portion includes a bent portion facing the main body and an extension portion between the main body and the bent portion.6. The secondary battery of claim 5 , wherein the reinforcement member is supported by the main body claim 5 , the bent portion claim 5 , and the extension portion.7. The secondary battery of claim 6 , wherein the reinforcement member contacts the main body claim 6 , the bent portion claim 6 , and the extension portion.8. The secondary battery of claim 1 , wherein the wing portion includes first and second bent portions facing the main body and first and second extension portions between the first and second bent portions.9. The secondary battery of claim 8 , wherein the reinforcement member is surrounded by the first and second bent portions and the first and second extension portions.10. The secondary battery of claim 1 , wherein when ...

SECONDARY BATTERY AND METHOD FOR FABRICATING THE SAME

Provided is a pouch-type secondary battery which can increase spatial utility by reducing the length of a non-electrode region and a method for fabricating the same. The secondary battery according to the present disclosure is a secondary battery having a sealed structure such that an electrode assembly of positive electrode plate/separator/negative electrode plate is embedded in a pouch case and an electrode tab of the electrode assembly is joined to an electrode lead and juts outside, wherein the electrode tab is welded to a side surface perpendicular to a surface-wise direction of the secondary battery on the electrode lead arranged parallel to the surface-wise direction of the secondary battery, to form a welded part in a thickness-wise direction of the electrode lead between the electrode lead and the electrode tab. 1. A secondary battery , having a sealed structure such that an electrode assembly of positive electrode plate/separator/negative electrode plate is embedded in a pouch case and an electrode tab of the electrode assembly is joined to an electrode lead and juts outside ,wherein the electrode tab is welded to a side surface perpendicular to a surface-wise direction of the secondary battery on the electrode lead arranged parallel to the surface-wise direction of the secondary battery, to form a welded part in a thickness-wise direction of the electrode lead between the electrode lead and the electrode tab.2. The secondary battery according to claim 1 , wherein the welded part is formed by welding one end of the electrode tab to the side surface of the electrode lead.3. The secondary battery according to claim 1 , wherein the electrode tab is multiple in number claim 1 , the multiple electrode tabs are joined together to the side surface of the electrode lead by welding to form the welded part claim 1 , and a thickness of the electrode lead is thicker than the sum of thicknesses of the multiple electrode tabs.4. The secondary battery according to claim ...

BATTERY

A battery includes an electrode assembly, a case accommodating the electrode assembly, a cap plate sealing an upper portion of the case, a coupling pin elongated downwardly from the cap plate to the electrode assembly such that the coupling pin is concave when the cap plate is viewed from above and convex when the cap plate is viewed from below, and an electrode lead coupled to the coupling pin which electrically connects the coupling pin and the electrode assembly to one another. 1. A battery comprising:an electrode assembly;a case accommodating the electrode assembly;a cap plate sealing an upper portion of the case;a coupling pin elongated downwardly from the cap plate toward the electrode assembly such that the coupling pin is concave when the cap plate is viewed from above and convex when the cap plate is viewed from below; andan electrode lead coupled to the coupling pin, wherein the electrode lead electrically connects the coupling pin and the electrode assembly to one another.2. The battery of claim 1 , wherein the coupling pin extends from the cap plate without a joint.3. The battery of claim 1 , wherein the coupling pin and the cap plate are monolithic.4. The battery of claim 1 , wherein the electrode lead has a coupling hole into which the coupling pin is inserted.5. The battery of claim 4 , wherein the coupling pin and the coupling hole have corresponding non-circular cross-sections.6. The battery of claim 5 , wherein the coupling pin and the coupling hole have angular cross-sections.7. The battery of claim 5 , wherein the coupling pin and the coupling hole have oval cross-sections.8. The battery of claim 5 , wherein the coupling pin and the coupling hole each comprise a circular part and at least one wedge-shaped part protruding from an outer diameter of the circular part.9. The battery of claim 5 , wherein the coupling pin closely contacts the coupling hole and is fixed in the coupling hole by forced insertion.10. A battery comprising:an electrode ...

BATTERY PACK

The present invention relates to a battery pack capable of improving stability from safety issues occurring in an overcurrent state. The battery pack includes a unit cell, a bus bar electrically connected to the unit cell and short-circuited by overcurrent, and a protection part disposed in the bus bar to absorb spark occurring when the bus bar is short-circuited. 1. A battery pack comprising:a unit cell;a bus bar electrically connected to the unit cell and short-circuited by overcurrent; anda protection part disposed in the bus bar to absorb spark occurring when the bus bar is short-circuited.2. The battery pack of claim 1 , wherein the protection part is disposed at a portion at which the bus bar is short-circuited.3. The battery pack of claim 1 , wherein the protection part comprises:an absorption member surrounding the bus bar to absorb the spark;a case member sealing the absorption member therein to protect a portion of the bus bar; andan endothermic agent injected into the case member and accommodated in a space between the absorption member and the case member.4. The battery pack of claim 3 , wherein a notch part short-circuited by the overcurrent is provided in the bus bar claim 3 , and the absorption member surrounds the notch part.5. The battery pack of claim 3 , wherein the absorption member comprises at least one of aramid fiber claim 3 , ceramic fiber claim 3 , and silicon carbide fiber.6. The battery pack of claim 3 , wherein the endothermic agent comprises silica and water.7. The battery pack of claim 3 , wherein the case member has a polygonal or cylindrical shape.8. The battery pack of claim 3 , wherein the case member is made of at least one non-conductive material selected from plastic claim 3 , tempered glass claim 3 , and rubber.9. The battery pack of claim 2 , wherein the protection part comprises:an absorption member surrounding the bus bar to absorb the spark;a case member sealing the absorption member therein to protect a portion of the bus ...

ACCUMULATOR DEVICE

The electricity storage device includes an electrode assembly, a case, and a holding tape. The electrode assembly further includes a bottom surface, which is supported by an inner bottom surface of the case, two end faces in a lamination direction, which are joined to the bottom face, two side surfaces, which are joined to the bottom surface and intersect with the end surfaces, and two corner sections, which are formed from the bottom surface and the side surfaces. Each corner section includes a chamfered section, and a border section between the chamfered section and the bottom surface. The holding tape covers the border section from the bottom surface in a direction parallel to the bottom surface and orthogonal to the stacking direction, further inward of the electrode assembly than the side surface. 1. An electricity storage device comprising:an electrode assembly including a plurality of positive electrodes, a plurality of negative electrodes, and a plurality of separators, wherein the positive electrodes and the negative electrodes are alternately layered in a lamination direction, and the separators insulate the positive electrodes from the adjacent negative electrodes;a case, which includes an inner bottom surface and accommodates the electrode assembly;an insulative layer located between the electrode assembly and the case; andholding tape, which holds the positive electrodes, the negative electrodes, and the separators together, whereinthe electrode assembly includes a bottom surface, which is supported by the inner bottom surface of the case, two end surfaces in the lamination direction, which are connected to the bottom surface, two side surfaces, which are connected to the bottom surface and intersect with the end surfaces, and two corner sections formed by the bottom surface and the side surfaces,each corner section includes a chamfered section and a border section between the chamfered section and the bottom surface, andon an inner side of the side ...

Battery pack and manufacturing method therefor

The present disclosure relates to a battery pack having improved assemblability, processability, and durability, and configured to stably maintain a stack of cartridges. According to an aspect of the present disclosure, the battery pack includes: vertically arranged secondary cells each including an electrode assembly, an electrolyte, and a pouch-type case; vertically stacked cartridges accommodating the secondary cells in inner spaces thereof and including coupling holes; a lower end plate including a plate-shaped metallic material and placed on a lower portion of a stack of the secondary cells and the cartridges; a first fastening member fixed to the lower end plate; and a second fastening member having an elongated shape so as to stand on the lower end plate in a direction perpendicular to the lower end plate, a lower end portion of the second fastening member coupled to the first fastening member, the second fastening member being inserted through coupling holes of the cartridges.

BATTERY MODULE WITH CELL FIXATION BRACKETS

In an embodiment, a battery module includes a first layer of battery cells, and a first set of brackets that are each configured to fix at least one battery cell of the first layer of battery cells into a defined position. 1. A battery module , comprising:a first layer of battery cells; anda first set of brackets that are each configured to fix at least one battery cell of the first layer of battery cells into a defined position.2. The battery module of claim 1 , wherein each battery cell in the first layer of battery cells is configured to be connected in parallel with each other.3. The battery module of claim 1 , wherein the first set of brackets includes a single bracket that extends across the first layer of battery cells and fixes each of battery cell of the first layer of battery cells into respective defined positions.4. The battery module of claim 1 , wherein the first set of brackets includes a plurality of brackets.5. The battery module of claim 4 , wherein each of the plurality of brackets is latched onto at least one other of the plurality of brackets.6. The battery module of claim 1 , wherein at least one bracket among the first set of brackets is configured to break in response to mechanical stress that exceeds a threshold so as to unfix one or more battery cells from respective defined positions.7. The battery module of claim 6 ,wherein the battery module is configured for deployment in an electric vehicle, andwherein the threshold is based on a mechanical stress level that is associated with a crash of the electric vehicle.8. The battery module of claim 6 , wherein the cell bracket comprises polybutylene terephthalate (PBT).9. The battery module of claim 8 , wherein the at least one bracket among the first set of brackets is configured to break in response to the mechanical stress that exceeds the threshold based in part upon an injection temperature of the PBT during an injection molding process.10. The battery module of claim 9 , wherein the ...

Battery module with foil arranged between battery cells

In an embodiment, a battery module includes a plurality of battery cells arranged in a plurality of rows and columns, and foil arranged between two or more adjacent battery cells among the plurality of battery cells.

BATTERY, ASSEMBLED BATTERY, AND VEHICLE

A battery includes a battery module provided by covering a group of batteries including arranged cells with an insulating external material, the battery module folded at an area where a conductive member connecting adjacent ones of the cells is located, a case having a hermetically sealing structure to house the battery module, and a coolant passage in which a coolant is passed along a face of the case closest to the conductive member, wherein the case has an internal pressure higher than an external pressure. 1. A battery comprising:a battery module provided by covering a group of batteries including arranged cells with an insulating external material, the battery module folded at an area where a conductive member connecting adjacent ones of the cells is located;a case having a hermetically sealing structure to house the battery module; anda coolant passage in which a coolant is passed along a face of the case closest to the conductive member,wherein the case has an internal pressure higher than an external pressure.23-. (canceled)4. A battery comprising:a battery module provided by covering a group of batteries including arranged cells with an insulating external material, the battery module folded at an area where a conductive member connecting adjacent ones of the cells is located; anda case having a hermetically sealing structure to house the battery module,wherein the case includes first side faces opposite to each other in a first direction, second side faces opposite to each other in a second direction orthogonal to the first direction, a bottom face, and a top face,a pair of extraction electrodes used to extract a power of the battery module to the outside of the case is provided closer to the top face,the number of the cells included in the group of batteries is an even number, andthe group of batteries includes a first cell and a second cell, an end portion of the first cell closer to the top face being connected to one of the pair of extraction ...

BATTERY PACK

A battery pack including a plurality of bare cells electrically connected to one another; and a housing including a bottom portion accommodating the bare cells therein, a middle portion mounted on the bottom portion, and a top portion on the middle portion, the top portion including a first fastening portion, and the middle portion including a second fastening portion facing the first fastening portion, and at least a portion of the first fastening portion or the second fastening portion is spaced apart from the other of the first fastening portion or the second fastening portion.

LEAD-ACID BATTERY

Provided is a lead-acid battery where a positive electrode shelf of one of two elements accommodated in cell chambers disposed adjacently to each other and a negative electrode shelf of the other element are electrically connected to each other through a penetrating connection body penetrating a partition wall, the penetrating connection body includes a positive electrode side member continuously formed with the positive electrode shelf and a negative electrode side member continuously formed with the negative electrode shelf, and the positive electrode side member and the negative electrode side member form a welded portion filled in a penetration hole formed in the partition wall for forming cell chambers by partitioning and are brought into close contact with a periphery of the penetration hole. In such an a lead-acid battery, a distance A between upper end surfaces of the positive electrode shelf and the negative electrode shelf and a lower end portion of the penetration hole is set to 3 mm to 5 mm, a distance B between an upper end portion of the penetration hole and an upper end portion of the penetrating connection body is set to 3 mm to 5 mm, a distance C between the upper end portion of the penetrating connection body and a level of the electrolyte solution is set to 0 mm or more, and a height of the positive electrode grid portion and the negative electrode grid portion is set to 100 mm or more. 1. A lead-acid battery comprising:a container;a partition wall which forms a plurality of cell chambers by partitioning the container;a plurality of elements each of which is accommodated in each of the plurality of cell chambers;an electrolyte solution accommodated in the plurality of cell chambers respectively; anda lid which closes opening portions of the plurality of cell chambers,whereineach of the elements includes a plurality of positive electrodes, a positive electrode shelf which connects the plurality of positive electrodes parallel to each other, a ...

ELECTRIC STORAGE DEVICE AND ELECTRIC STORAGE APPARATUS

An electric storage device includes a case, an electric storage element disposed in the case and away from a wall of the case, and a heat transfer member in contact with an outer surface of the wall. 1. An electric storage device comprising:a case;an electric storage element disposed in the case and away from a wall of the case; anda heat transfer member in contact with an outer surface of the wall.2. The electric storage device of claim 1 , wherein the electric storage element comprises a plurality of electric storage elements.3. The electric storage device of claim 1 , wherein the electric storage element comprises a winding type electric storage element.4. The electric storage device of claim 3 , wherein the wall comprises a plurality of walls including a terminal surface claim 3 , and a winding axis of the winding type electric storage element is parallel to the terminal surface.5. The electric storage device of claim 1 , wherein the electric storage element comprises a stack type electric storage element formed by laminating a positive plate claim 1 , a separator and a negative plate.6. The electric storage device of claim 1 , wherein the heat transfer member is bonded to the outer surface of the wall by an adhesive layer claim 1 , is elastically deformable and comprises an electrically-insulating claim 1 , synthetic resin having a thermal conductivity of at least 0.2 W/m·K.7. The electric storage device of claim 1 , wherein the wall of the case comprises a plurality of walls including:a terminal wall including a long side and a short side, an electrode terminal being formed on the terminal wall;a bottom wall opposite to the terminal wall, the bottom wall including a long side and a short side;a short sidewall connecting the short side of the terminal wall and the short side of the bottom wall; anda long sidewall connecting the long side of the terminal wall and the long side of the bottom wall, andwherein the heat transfer member is in contact with an outer ...

POWER SYSTEM FOR HIGH TEMPERATURE APPLICATIONS WITH RECHARGEABLE ENERGY STORAGE

A power system adapted for supplying power in a high temperature environment is disclosed. The power system includes a rechargeable energy storage that is operable in a temperature range of between about seventy degrees Celsius and about two hundred and fifty degrees Celsius coupled to a circuit for at least one of supplying power from the energy storage and charging the energy storage; wherein the energy storage is configured to store between about one one hundredth (0.01) of a joule and about one hundred megajoules of energy, and to provide peak power of between about one one hundredth (0.01) of a watt and about one hundred megawatts, for at least two charge-discharge cycles. Methods of use and fabrication are provided. Embodiments of additional features of the power supply are included. 1. A power system adapted for supplying power in a high temperature environment , the power system comprising:a rechargeable energy storage that is operable in a temperature range of between about minus forty degrees Celsius and about two hundred and ten degrees Celsius coupled to a circuit for at least one of supplying power from the energy storage and charging the energy storage;wherein the energy storage is configured to store between about one one hundredth (0.01) of a joule and about one hundred megajoules of energy, and to provide peak power of between about one tenth (0.10) of a watt and about one hundred megawatts, for at least two charge-discharge cycles.247-. (canceled)48. A method for providing power to a logging instrument downhole , the method comprising:selecting a logging instrument that comprises a power system comprising a rechargeable energy storage that is operable in a temperature range of between about minus forty degrees Celsius and two hundred and ten degrees Celsius coupled to a circuit for at least one of supplying power from the energy storage and charging the energy storage; andwith the logging instrument downhole, providing power from the power system ...

RECHARGEABLE BATTERY

A rechargeable battery having a structure that improves a strength of a case. The battery may include: case housing an electrode assembly; a cap plate covering an opening of the case; and an electrode terminal in a terminal hole of the cap plate and electrically connected to the electrode assembly. Here, the case has an opening at one side and includes: side walls connected to each other; a bottom connected to the side walls to close and seal a second side of the case opposite to the opening; and a reinforced portion at a corner of the side wall having a curved surface to increase a thickness of the corner. 1. A rechargeable battery , comprising:a case housing an electrode assembly;a cap plate covering an opening at one side of the case; andan electrode terminal in a terminal hole of the cap plate and electrically connected to the electrode assembly, side walls connected to each other;', 'a bottom connected to the side walls to close and seal a second side of the case opposite to the opening; and', 'a reinforced portion at a corner of the side walls., 'wherein the case comprises2. The rechargeable battery of claim 1 , wherein the reinforced portion has a curved surface to increase a thickness of the corner.3. The rechargeable battery of claim 2 , wherein the reinforced portion extends to one of the side walls connected to the corner.4. The rechargeable battery of claim 3 , wherein the side walls comprise:a pair of long side walls opposite to each other; anda pair of short side walls opposite to each other and connected to corresponding ends of the long side walls,wherein the reinforced portion extends to one of the short side walls at the corner.5. The rechargeable battery of claim 4 ,wherein an outer surface of the corner has a first curvature radius,wherein an inner surface of the corner has a second curvature radius, andwherein the first curvature radius is smaller than the second curvature radius.6. The rechargeable battery of claim 4 ,wherein the long side ...

BATTERY PACK

A battery pack, includes a box assembly including a box body and a plurality of fixed beams, a plurality of battery modules, and a plurality of constraint components, each of which includes a limiting portion, a first mounting portion and a second mounting portion. The first mounting portion is provided with a plurality of first mounting holes along a length direction of the fixed beams. The second mounting portion is provided with a plurality of second mounting holes along the length direction. A plurality of first fasteners respectively pass through the first mounting holes and are fixed to one fixed beam. A plurality of second fasteners respectively pass through the second mounting holes and are fixed to the other fixed beam. The first mounting hole and the second mounting hole have different adjustment amounts in the arrangement direction. 1. A battery pack , comprising:a box assembly, comprising a box body and a plurality of fixed beams, wherein the plurality of fixed beams are fixed in the box body and divide the box body into a plurality of accommodation cavities;a plurality of battery modules, each of which comprises a plurality of battery units, and the plurality of battery modules are respectively arranged in the plurality of accommodation cavities;a plurality of constraint components, each of which comprises a limiting portion, a first mounting portion, and a second mounting portion, wherein the limiting portion covers one of the plurality of battery modules, and the first mounting portion and the second mounting portion are respectively connected to both sides of the limiting portion along an arrangement direction of the plurality of fixed beams, and are respectively fixed to two of the plurality of fixed beams at both sides of the one of the plurality of battery module; wherein the first mounting portion is provided with a plurality of first mounting holes at intervals along a length direction of the plurality of fixed beams, and the second mounting ...

Lithium Secondary Battery and Method for Manufacturing Same

Provided are a lithium secondary battery wherein gas generation associated with charging and discharging can be suppressed even in case where silicon and silicon oxide are contained as negative electrode active materials, and wherein deformation due to the gas generation can be suppressed even in case where a resin film is used as an outer package; and a method for manufacturing the lithium secondary battery. A lithium secondary battery comprises a negative electrode containing a negative electrode active material, a positive electrode containing a positive electrode active material, and an electrolytic solution used to immerse the negative electrode active material and the positive electrode active material, wherein the negative electrode active material contains silicon and silicon oxide that have been subjected to a reduction treatment. 1. A lithium secondary battery comprising a negative electrode containing a negative electrode active material , a positive electrode containing a positive electrode active material , and an electrolytic solution used to immerse the negative electrode active material and the positive electrode active material ,wherein the negative electrode active material contains silicon and silicon oxide that have been subjected to a reduction treatment.2. The lithium secondary battery according to claim 1 , wherein the reduction treatment is an inactivation reaction of an active site of the silicon oxide.3. The lithium secondary battery according to claim 1 , wherein the reduction treatment comprises bringing a solution containing an alkali metal or an alkali compound in contact with the silicon and the silicon oxide.4. The lithium secondary battery according to claim 3 , wherein the solution containing an alkali metal or an alkali compound has a potential not less than 0.2V to not more than 1.0V nobler than a reductive deposition potential of lithium.5. The lithium secondary battery according to claim 3 , wherein the alkali compound is an ...

CYLINDRICAL BATTERY

A cylindrical battery, including: a battery case having a cylindrical shape: an electrode group disposed in the battery case, the electrode group comprising a positive electrode, a negative electrode, and a separator, the electrode group having a pair of flat outer side surfaces opposed to each other; and a spacer disposed between an inner peripheral surface of the battery case and each of the flat outer side surfaces of the electrode group. 1. A cylindrical battery , comprising:a battery case having a cylindrical shape;an electrode group disposed in the battery case, the electrode group comprising a positive electrode, a negative electrode, and a separator, the electrode group having a pair of flat outer side surfaces opposed to each other; anda spacer disposed between an inner peripheral surface of the battery case and each of the flat outer side surfaces of the electrode group.2. (canceled)3. The cylindrical battery according to claim 1 , whereinthe spacers press the electrode group.4. The cylindrical battery according to claim 1 , whereinthe electrode group is formed by layering a positive electrode plate and a negative electrode plate with the separator being interposed therebetween,the battery case accommodates the electrode group such that a layered direction of the electrode group is perpendicular to a center axis direction of the battery case, andthe spacer comprises at least two spacers sandwiching the electrode group in the layered direction.5. (canceled)6. (canceled)7. (canceled)8. The cylindrical battery according to claim 1 , whereinthe spacer has a contact portion with the inner peripheral surface of the battery case, and the contact portion has a curved surface along the curved inner peripheral surface of the battery case.9. The cylindrical battery according to claim 1 , whereinthe spacer has a space communicated from a top to a bottom, and a welding rod used for welding the electrode group to the battery case is inserted into the space.10. The ...

RECHARGEABLE BATTERY

A rechargeable battery may include an electrode assembly that performs a charge and discharge action, a case in which the electrode assembly is inserted, a cap plate coupled to an opening of the case, and an electrode terminal in a terminal hole of the cap plate. The electrode terminal may include a plate terminal outside the cap plate and corresponding to the terminal hole, the plate terminal including a through-hole, a first groove, and a second groove, and a rivet terminal, the rivet terminal passing through the terminal hole, being inserted in the through-hole, and being riveted to the plate terminal at an upper end of the rivet terminal. The first groove may extend from the through-hole at an upper end side of the rivet terminal, and the second groove may extend from the first groove to an outer side of the plate terminal. 1. A rechargeable battery , comprising:an electrode assembly that performs a charge action and a discharge action;a case in which the electrode assembly is inserted;a cap plate coupled to an opening of the case; and a plate terminal outside the cap plate and corresponding to the terminal hole, the plate terminal including a through-hole, a first groove, and a second groove, and', 'a rivet terminal electrically connected to the electrode assembly, the rivet terminal passing through the terminal hole, being inserted in the through-hole, and being riveted to the plate terminal at an upper end of the rivet terminal, wherein:, 'an electrode terminal in a terminal hole of the cap plate, the electrode terminal includingthe first groove extends from the through-hole at an upper end side of the rivet terminal, andthe second groove extends from the first groove to an outer side of the plate terminal.2. The rechargeable battery as claimed in claim 1 , wherein:the first groove has a diameter larger than that of the through-hole, andthe second groove is at both sides of the first groove in a width direction of the cap plate.3. The rechargeable battery as ...

SECONDARY BATTERY

The secondary battery of the present invention includes: a top cover, a first electrode terminal, a second electrode terminal, an electrode-tab pad-plate, an electrode assembly, a first electrode-tab and a second electrode-tab; the first and second electrode terminal are arranged on the top cover, the electrode-tab pad-plate is a strip-plate shaped structure, and is located between the top cover and electrode assembly, the first electrode-tab includes a connecting part, a folding part and a welding part, the connecting part is beneath the electrode-tab pad-plate, the welding part is above is the electrode tab pad plate, and the connecting part is connected with the electrode assembly, the welding part is connected with the first electrode terminal, the folding part is connected with the connecting part and welding part bypassing the electrode-tab pad-plate; the second electrode terminal is connected with the electrode assembly through the second electrode-tab. 1. A secondary battery , comprising: a top cover , a first electrode terminal , a second electrode terminal , an electrode tab pad plate , an electrode assembly , a first electrode tab and a second electrode tab; the first electrode terminal and the second electrode terminal are both arranged at the top cover;the electrode tab pad plate is located between the top cover and the electrode assembly;the first electrode tab comprises a connecting part, a folding part and a welding part, the connecting part is beneath the electrode tab pad plate, the welding part is above the electrode tab pad plate, the connecting part is connected with the electrode assembly, the welding part is connected with the first electrode terminal, the folding part is connected between the connecting part and the welding part and bypasses the electrode tab pad plate;the second electrode terminal is connected with the electrode assembly through the second electrode tab;the secondary battery further comprises an insulating layer;the ...

SEALED SECONDARY BATTERY

In a secondary battery, a positive electrode current collecting portion and a negative electrode current collecting portion are bonded with a part of a positive electrode current collector exposed portion and a part of a negative electrode current collector exposed portion of a laminated electrode body, respectively. A bonding portion between the positive electrode current collecting portion and the positive electrode current collector exposed portion, and a bonding portion between the negative electrode current collecting portion and the negative electrode current collector exposed portion are formed at positions at which, when the full length in a short side direction of each of the current collector exposed portions of the positive electrode and the negative electrode is set as L, a distance from the end close to the lid in the short side direction is less than L/2. 1. A sealed secondary battery comprising:a laminated electrode body having a structure in which a positive electrode including a rectangular sheet-shaped positive electrode current collector and a positive electrode active material layer formed on the positive electrode current collector and a negative electrode including a rectangular sheet-shaped negative electrode current collector and a negative electrode active material layer formed on the negative electrode current collector are alternately laminated with a separator therebetween;an electrolyte; anda rectangular casewherein the rectangular case includes a case body in which the laminated electrode body and the electrolyte are housed and a lid for closing an opening of the body,at one end of each of the positive electrode and the negative electrode in a long side direction, a current collector exposed portion having no active material layer is formed in a short side direction,the laminated electrode body has a configuration in which the current collector exposed portions of the positive electrodes are laminated at one end in the long side ...

SECONDARY BATTERY

A battery includes a battery case, an electrode assembly, positive and negative electrode collectors, a sealing body, an external terminal, a conducting member, a deforming plate, and a first insulating member. The positive or negative electrode collector has a base portion facing the first insulating member, and a lead portion connected to the electrode assembly. A fixing portion fixing the base portion and the first insulating member to each other is provided in the first insulating member. The fixing portion is located nearer to the connection portion between the deforming plate and the positive or negative electrode collector than the sealing body side support position of the first insulating member. The outer peripheral edge of the electrode assembly side surface of the first insulating member is provided with a rib protruding to the electrode assembly side and extending along the outer peripheral edge of the base portion. 1. A secondary battery comprising:a bottomed tubular battery case having an opening;an electrode assembly housed in the battery case and including a positive electrode and a negative electrode;a positive electrode collector electrically connected to the positive electrode;a negative electrode collector electrically connected to the negative electrode;a sealing body sealing the opening of the battery case;an external terminal exposed to the outside in the sealing body;a conducting member located between the sealing body and the electrode assembly, electrically connected to the external terminal, and having a tubular portion;a deforming plate located between the conducting member and the electrode assembly, sealing the opening of the tubular portion, electrically connected to the conducting member, electrically connected to the positive electrode collector or the negative electrode collector, and deforming when the pressure in the battery case reaches a predetermined value and thereby breaking the electrical connection with the positive ...

NICKEL-ZINC BATTERY

Provided is a highly reliable nickel-zinc battery, which includes a separator exhibiting hydroxide ion conductivity and water impermeability. The separator is disposed in a hermetic container to separate a positive-electrode chamber from a negative-electrode chamber. The positive-electrode chamber has an extra positive-electrode space having a volume that meets part of a variation in amount of water in association with the positive electrode reaction, and the negative-electrode chamber has an extra negative-electrode space having a volume that meets part of a variation in amount of water in association with the negative electrode reaction. The battery further includes a gas-liquid flow channel that connects the extra positive-electrode space to the extra negative-electrode space, and the gas-liquid flow channel allows the electrolytic solution and gas in the positive-electrode and negative-electrode chambers to pass through the flow channel in response to a variation in amount of water caused by charge and discharge reactions. 1. A nickel-zinc battery comprising:a positive electrode comprising nickel hydroxide and/or nickel oxyhydroxide;a positive-electrode electrolytic solution comprising an alkali metal hydroxide, the positive electrode being immersed in the positive-electrode electrolytic solution;a negative electrode comprising zinc and/or zinc oxide;a negative-electrode electrolytic solution comprising an alkali metal hydroxide, the negative electrode being immersed in the negative-electrode electrolytic solution;a hermetic container accommodating the positive electrode, the positive-electrode electrolytic solution, the negative electrode, and the negative-electrode electrolytic solution; anda separator exhibiting hydroxide ion conductivity and water impermeability, the separator being disposed in the hermetic container so as to separate a positive-electrode chamber accommodating the positive electrode and the positive-electrode electrolytic solution from a ...

NICKEL-ZINC BATTERY

Provided is a highly reliable nickel-zinc battery including a separator exhibiting hydroxide ion conductivity and water impermeability. The nickel-zinc battery includes a positive electrode containing nickel hydroxide and/or nickel oxyhydroxide; a positive-electrode electrolytic solution in which the positive electrode is immersed, the electrolytic solution containing an alkali metal hydroxide; a negative electrode containing zinc and/or zinc oxide; a negative-electrode electrolytic solution in which the negative electrode is immersed, the electrolytic solution containing an alkali metal hydroxide; a hermetic container accommodating the positive electrode, the positive-electrode electrolytic solution, the negative electrode, and the negative-electrode electrolytic solution; and the separator exhibiting hydroxide ion conductivity and water impermeability and disposed in the hermetic container so as to separate a positive-electrode chamber from a negative-electrode chamber. The alkali metal hydroxide concentration of the positive-electrode electrolytic solution differs from that of the negative-electrode electrolytic solution. 1. A nickel-zinc battery comprising:a positive electrode comprising nickel hydroxide and/or nickel oxyhydroxide;a positive-electrode electrolytic solution comprising an alkali metal hydroxide, the positive electrode being immersed in the positive-electrode electrolytic solution;a negative electrode comprising zinc and/or zinc oxide;a negative-electrode electrolytic solution comprising an alkali metal hydroxide, the negative electrode being immersed in the negative-electrode electrolytic solution;a hermetic container accommodating the positive electrode, the positive-electrode electrolytic solution, the negative electrode, and the negative-electrode electrolytic solution; anda separator exhibiting hydroxide ion conductivity and water impermeability, the separator being disposed in the hermetic container so as to separate a positive-electrode ...

METHOD OF MANUFACTURING NON-AQUEOUS SECONDARY BATTERY

A method of manufacturing a non-aqueous secondary battery includes the steps of preparing a case main body, preparing a lid, applying a lubricant to a contact location, and assembling a lid to an open end of the case main body. In the step of preparing a lid, a lid to be fitted to the open end of the case main body is prepared. In the step of applying a lubricant, the lubricant is applied to at least a portion of the contact location at which the case main body and the lid are in contact with each other. In the step of assembling the lid to the open end, the lid is assembled to the open end with the lubricant having been applied to the contact location. The lubricant may be a solvent used in a non-aqueous electrolyte solution for non-aqueous secondary batteries. 1. A method of manufacturing a non-aqueous secondary battery , comprising the steps of:preparing a case main body, the case main body including an enclosing space for enclosing an electrode assembly and an open end for inserting the electrode assembly into the enclosing space;preparing a lid to be fitted to the open end;applying a lubricant to at least a portion of contact locations at which the case main body and the lid are in contact with each other; andassembling the lid to the open end with the lubricant having been applied to the contact locations, whereinthe lubricant is a solvent used in a non-aqueous electrolyte solution for non-aqueous secondary batteries.2. The method according to claim 1 , wherein claim 1 , in the step of applying a lubricant claim 1 , the lubricant is applied to at least one of the case main body and the lid.3. The method according to claim 1 , wherein:the open end of the case main body includes a plurality of linear portions and a plurality of curved portions arranged along an edge of the open end, and each of the contact locations includes a plurality of linear portions and a plurality of curved portions arranged along the edge of the open end; andin the step of applying a ...

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 ...

RECHARGEABLE BATTERY AND BATTERY MODULE

A rechargeable battery includes an electrode assembly, a case accommodating the electrode assembly, and first and second electrode terminals electrically coupled to the electrode assembly and protruding out of the case, the first electrode terminal having a first terminal magnet, and the second electrode terminal having a second terminal magnet. 1. A rechargeable battery , comprising:an electrode assembly;a case accommodating the electrode assembly; andfirst and second electrode terminals electrically coupled to the electrode assembly and protruding out of the case, the first electrode terminal having a first terminal magnet, and the second electrode terminal having a second terminal magnet.2. The rechargeable battery as claimed in claim 1 , wherein the first terminal magnet includes an N pole directed upward claim 1 , and the second terminal magnet includes an S pole directed upward.3. The rechargeable battery as claimed in claim 2 , wherein the first electrode terminal includes a first plate terminal with a first receiving hole claim 2 , the first terminal magnet being inserted in the first receiving hole.4. The rechargeable battery as claimed in claim 3 , wherein the second electrode terminal includes a second plate terminal with a second receiving hole claim 3 , the second terminal magnet being inserted in the second receiving hole.5. The rechargeable battery as claimed in claim 4 , wherein the first receiving hole is at a first corner portion of the first plate terminal claim 4 , and the second receiving hole is at a second corner portion of the second plate terminal.6. The rechargeable battery as claimed in claim 5 , wherein the second corner portion is diagonally disposed with respect to the first corner portion.7. The rechargeable battery as claimed in claim 1 , wherein the first electrode terminal includes:a rod-shaped first pillar terminal, an upper part of the rod-shaped first pillar terminal including a stepped groove, anda supporting protrusion in the ...

ELECTROLYTE COMPOSITION FOR HIGH-ENERGY ANODES

An electrolyte composition for a lithium-ion battery, a lithium-ion battery, and also the use of a fluorine-containing cyclic carbonate component and lithium nitrate for improving the cycle stability and/or for increasing the performance of a lithium-ion battery. 1. An electrolyte composition for a lithium-ion battery with at least one cathode and at least one anode , the electrolyte composition comprising:at least one aprotic nonaqueous solvent;one fluorine-containing cyclic carbonate component; andat least two lithium salts, wherein one of the lithium salts is lithium nitrate.2. The electrolyte composition according to claim 1 , wherein the fluorine-containing cyclic carbonate component is present in a quantity from 1 to 50 percent by weight claim 1 , relative to a total weight of the electrolyte composition.3. The electrolyte composition according to claim 1 , wherein the lithium nitrate is present in a quantity from 0.05 to 20 percent by weight claim 1 , relative to a total weight of the electrolyte composition.4. The electrolyte composition according to claim 1 , wherein the fluorine-containing cyclic carbonate component is fluoroethylene carbonate.5. The electrolyte composition according to claim 1 , wherein the electrolyte composition contains lithium bis(fluorosulfonyl)imide as an additional lithium salt.6. A lithium-ion battery comprising:a casing;a battery core having at least one cathode and at least one anode; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'an electrolyte composition according to .'}7. The lithium-ion battery according to claim 6 , wherein the anode is a silicon anode or a silicon/carbon composite anode.8. The electrolyte composition according to claim 1 , wherein the fluorine-containing cyclic carbonate component and lithium nitrate improve a cycle stability of a lithium-ion battery.9. The electrolyte composition according to claim 1 , wherein the fluorine-containing cyclic carbonate component and lithium nitrate increase a ...

BATTERY PACK HAVING IMPROVED SAFETY AGAINST LEAKAGE OF LIQUID REFRIGERANT

Disclosed herein is a battery pack including at least one battery module including a battery cell stack constituted by two or more stacked battery cells that can be charged and discharged and a pack case for surrounding an outside of the battery module, wherein a liquid refrigerant isolated from an inner space of the pack case removes heat conducted from the battery cells through cooling of the pack case. 1. A battery pack comprising:at least one battery module comprising a battery cell stack constituted by two or more stacked battery cells that can be charged and discharged; anda pack case for surrounding an outside of the battery module, whereina liquid refrigerant isolated from an inner space of the pack case removes heat conducted from the battery cells through cooling of the pack case.2. The battery pack according to claim 1 , wherein the battery module is configured to have a structure in which the battery cell stack is mounted in a module case.3. The battery pack according to claim 1 , wherein a cooling fin is interposed between the battery cells of the battery cell stack claim 1 , and the cooling fin extends to a module case for heat conduction to the pack case.4. The battery pack according to claim 1 , wherein the cooling fin comprises a first fin member interposed between the battery cells and a second fin member extending from the first fin member such that the second fin member thermally contacts the pack case.5. The battery pack according to claim 4 , wherein the second fin member directly contacts the pack case.6. The battery pack according to claim 4 , wherein a thermally conductive material is coated at an interface between the first fin member and each of the battery cells and/or an interface between the second fin member and the pack case.7. The battery pack according to claim 6 , wherein thermally conductive material is thermal compound or thermal grease.8. The battery pack according to claim 4 , wherein a thermally conductive pad is disposed at ...

ENERGY STORAGE APPARATUS

An energy storage apparatus including: an energy storage device; an outer covering; electric equipment disposed in the outer covering; and a housing part which houses the electric equipment, wherein a drain passage, which is disposed in a region covered by the electric equipment and through which water is discharged to outside of the region, is formed on a lower wall surface below the electric equipment in the housing part. 1. An energy storage apparatus comprising:an energy storage device;an outer covering;electric equipment disposed in the outer covering; anda housing part which houses the electric equipment, whereina drain passage, which is disposed in a region covered by the electric equipment and through which water is discharged to outside of the region, is formed on a lower wall surface below the electric equipment in the housing part.2. The energy storage apparatus according to claim 1 , wherein the drain passage has a first inclined surface which is gradually lowered as the drain passage extends toward a drain port of the drain passage.3. The energy storage apparatus according to claim 2 , wherein a conductive member is disposed at a position away from an area vertically below the drain port in a horizontal direction.4. The energy storage apparatus according to claim 2 , wherein a second inclined surface claim 2 , which is lowered as the second inclined surface extends toward the first inclined surface claim 2 , is formed in the region.5. The energy storage apparatus according to claim 4 , wherein a projecting portion or a groove portion elongated along an inclination direction is formed on the second inclined surface.6. The energy storage apparatus according to claim 1 , wherein the electric equipment is disposed in a spaced-apart manner from the lower wall surface.7. The energy storage apparatus according to claim 1 , wherein the lower wall surface is a hydrophobic surface.8. The energy storage apparatus according to claim 1 , wherein the first outer ...

ENERGY STORAGE APPARATUS

An energy storage apparatus includes: an energy storage device; an outer covering; a fastening member which fixes the energy storage device to the outer covering; and an adhesive element disposed between the energy storage device and the outer covering. The adhesive element fixes the energy storage device to the outer covering at a position different from a position where the fastening member fixes the energy storage device to the outer covering. 1. An energy storage apparatus comprising:an energy storage device;an outer covering;a fastening member which fixes the energy storage device to the outer covering; andan adhesive element disposed between the energy storage device and the outer covering,wherein the adhesive element fixes the energy storage device to the outer covering at a position different from a position where the fastening member fixes the energy storage device to the outer covering.2. The energy storage apparatus according to claim 1 , wherein the energy storage device comprises a plurality of energy storage devices which are stacked in a first direction claim 1 , andthe adhesive element fixes the plurality of energy storage devices to the outer covering in a second direction orthogonal to the first direction.3. The energy storage apparatus according to claim 2 , wherein the adhesive element extends over the plurality of energy storage devices claim 2 , and fixes the plurality of energy storage devices to the outer covering.4. The energy storage apparatus according to claim 1 , wherein the fastening member and the adhesive element fix the energy storage device to a same wall of the outer covering.5. The energy storage apparatus according to claim 4 , wherein a position where the energy storage device is fixed by the fastening member is claim 4 , as viewed in a plan view of the wall claim 4 , disposed outside a position where the energy storage device is fixed by the adhesive element.6. The energy storage apparatus according to claim 2 , further ...

BATTERY MODULE HAVING BIPOLAR CELL

A battery module having a bipolar cell includes a plurality of anode plates and cathode plates alternately stacked and connected to each other in series. The anode plates have anode terminals and measuring terminals for measuring a voltage, and the respective cathode plates have cathode terminals and measuring terminals for measuring a voltage, such that steps are formed in the anode terminals, cathode terminals, and measuring terminals. A voltage monitoring terminal part also has steps formed in terminal connecting parts to correspond to the measuring terminals, allowing the measuring terminals to be inserted therein for measuring a voltage of the bipolar cell. The voltage of the bipolar cell is measured in a process to improve defect sorting performance to more easily detect an abnormal cell, thereby making it possible to improve marketability, durability and safety of the battery. 1. A battery module having a bipolar cell , comprising:a bipolar cell including a plurality of anode plates and cathode plates alternately stacked and connected to each other in series, the respective anode plates having anode terminals formed at ends thereof and having measuring terminals formed at other ends thereof for measuring a voltage and the respective cathode plates having cathode terminals formed at ends thereof and having measuring terminals formed at other ends thereof for measuring a voltage, such that steps are formed in a plurality of anode terminals, cathode terminals, and measuring terminals; anda voltage monitoring terminal part having steps formed in a plurality of terminal connecting parts so as to correspond to the measuring terminals to allow the measuring terminals to be inserted therein, thereby measuring a voltage of the bipolar cell.2. The battery module having a bipolar cell according to claim 1 , wherein the steps of the measuring terminals and the steps of the terminal connecting parts have a stair shape in which the steps become high toward one end.3. The ...

BATTERY MODULE HAVING VENTING GUIDING PORTION

A battery cell is provided. The battery cell includes a battery case, an electrode assembly located in the battery case, the electrode assembly comprising a cathode, an anode, and a separator disposed between the cathode and the anode, an electrolyte present in the battery case, the battery case being sealed at a perimeter thereof, and a frame coupled to the perimeter of the battery case, the frame having a venting guiding portion at the perimeter of the battery case, such that sealing of the battery case is released through the venting guiding portion when internal pressure of the battery cell increases, the venting guiding portion comprising a reduction in the amount of material of the frame in a predetermined location at the perimeter of the battery case. A battery cell module is also provided. 1. A battery cell , comprising:a battery case,an electrode assembly located in the battery case, said electrode assembly comprising a cathode, an anode, and a separator disposed between the cathode and the anode,an electrolyte present in the battery case,the battery case being sealed at a perimeter thereof,a frame coupled to the perimeter of the battery case, the frame having a venting guiding portion at the perimeter of the battery case, such that sealing of the battery case is released through the venting guiding portion when internal pressure of the battery cell increases, the venting guiding portion comprising a reduction in the amount of material of the frame in a predetermined location at the perimeter of the battery case.2. The battery cell according to claim 1 , wherein the venting guiding portion is provided by a reduced height of the frame in a thickness direction of the frame at the predetermined location relative to heights of adjacent portions of the frame.3. The battery cell according to claim 1 , wherein the venting guiding portion is provided by a reduced width of the frame relative to widths of adjacent portions of the frame.4. The battery cell according ...

ELECTRIC STORAGE DEVICE AND ELECTRIC STORAGE APPARATUS

An electric storage device includes: an electrode assembly in which electrodes are wound such that paired curved portions and a straight portion connecting the paired curved portions are formed; a case which houses the electrode assembly, the case comprising a convex part protruding toward the straight portion of the electrode assembly to support the straight portion; and a support portion which supports the curved portion toward an inside of the electrode assembly. 1. An electric storage device comprising:an electrode assembly in which electrodes are wound such that paired curved portions and a straight portion connecting the paired curved portions are formed;a case which houses the electrode assembly, the case comprising a convex part protruding toward the straight portion of the electrode assembly to support the straight portion; anda support portion which supports the curved portion toward an inside of the electrode assembly.2. The electric storage device according to claim 1 , wherein the support portion supports at least one of the paired curved portions of the electrode assembly.3. The electric storage device according to claim 1 , wherein the case has a substantially rectangular frame-shaped section and houses the electrode assembly such that a side of the substantially rectangular frame-shaped section extends along the straight portion claim 1 , andthe support portion is disposed in a corner portion of the substantially rectangular frame-shaped section in the case.4. The electric storage device according to claim 1 , wherein the support portion is disposed while being elastically deformed between the case and the curved portion of the electrode assembly.5. The electric storage device according to claim 1 , further comprising an insulating member disposed between the case and the electrode assembly to insulate the case and the electrode assembly from each other claim 1 ,wherein the support portion is a part of the insulating member.6. The electric storage ...

ENERGY STORAGE APPARATUS

An energy storage apparatus includes an energy storage device, a circuit board, a first outer case, and a metal bar which electrically connects an external conductive member and the circuit board to each other, the metal bar is integrally formed with the first outer case, and an end part of the metal bar which is exposed inward from the first outer case is inserted into a first connector of the circuit board. 1. An energy storage apparatus comprising:an energy storage device;a circuit board;an outer case; anda metal bar which electrically connects an external conductive member and the circuit board to each other, whereinthe metal bar is integrally formed with the outer case, and an end part of a portion of the metal bar which is exposed inward from the outer case is inserted into a connector of the circuit board.2. The energy storage apparatus according to claim 1 , wherein the metal bar has a bent part which is bent or curved.3. The energy storage apparatus according to claim 2 , wherein at least a portion of the bent part is integrally formed with the outer case.4. The energy storage apparatus according to claim 2 , wherein the metal bar has a plurality of the bent parts in a middle of a portion of the metal bar extending toward the connector.5. The energy storage apparatus according to claim 1 , wherein a portion of the connector into which the metal bar is fitted is formed movably relative to the circuit board along a surface of the circuit board.6. The energy storage apparatus according to claim 1 , wherein the energy storage apparatus further includes a holding member for holding the circuit board claim 1 , andat least one of the outer case and the holding member has a positioning portion which engages with the other of the outer case and the holding member and positions the outer case with respect to the holding member.7. The energy storage apparatus according to claim 6 , wherein the outer case includes the positioning portion which is formed on the outer ...

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

A positive electrode and a negative electrode are stacked so as to face each other with a separator and a low spring constant film interposed therebetween. The positive electrode or the negative electrode has a first spring constant that is the lowest spring constant of the positive electrode, the negative electrode and the separator. The low spring constant film has a second spring constant. The second spring constant is lower than the first spring constant. 1. A non-aqueous electrolyte secondary battery comprising:a case;a non-aqueous electrolyte solution; andan electrode group,the non-aqueous electrolyte solution and the electrode group being housed in the case,the non-aqueous electrolyte solution including an aprotic solvent and a supporting electrolyte salt,the electrode group including a positive electrode, a negative electrode, a separator and a low spring constant film,each of the positive electrode, the negative electrode, the separator and the low spring constant film at least partially including a porous structure,the positive electrode, the negative electrode, the separator and the low spring constant film being impregnated with the non-aqueous electrolyte solution,in the electrode group, the positive electrode and the negative electrode being stacked so as to face each other with the separator and the low spring constant film interposed therebetween,the positive electrode or the negative electrode having a first spring constant that is the lowest spring constant of the positive electrode, the negative electrode and the separator,the low spring constant film having a second spring constant, andthe second spring constant being lower than the first spring constant.2. The non-aqueous electrolyte secondary battery according to claim 1 , whereina ratio of the second spring constant to the first spring constant is not less than 0.60 and not more than 0.90.3. The non-aqueous electrolyte secondary battery according to claim 1 , whereinthe low spring constant ...

BATTERY CELL

The present disclosure relates to a battery cell. The battery cell includes: an electrode assembly; a pouch which wraps around the electrode assembly; an electrode tab extended from the electrode assembly; a lead tab attached to the electrode tab; and a current interrupt device which is configured to block reconnection of the lead tab and the electrode tab when the pouch is shrunk to return to an original position after being expanded, while blocking current flow by separating the lead tab and the electrode tab through the expansion of the pouch, when abnormal situation of battery cell occurs. 1. A battery cell comprising:an electrode assembly;a pouch which wraps around the electrode assembly;an electrode tab extending from the electrode assembly;a lead tab attached to the electrode tab; anda current interrupt device which is configured to block reconnection of the lead tab and the electrode tab when the pouch is shrunk to return to an original position after being expanded, while blocking current flow by separating the lead tab and the electrode tab through the expansion of the pouch, when abnormal situation of battery cell occurs.2. The battery cell of claim 1 , wherein the electrode tab comprises a first electrode tab and a second electrode tab claim 1 , the lead tab comprises a first lead tab connected to the second electrode tab and a second lead tab attached to the second electrode tab claim 1 , and the current interrupt device is provided in at least one lead tab among the first lead tab and the second lead tab.3. The battery cell of claim 2 , wherein the current interrupt device comprises a fusing unit which is provided integrally in at least one lead tab claim 2 , a notch which is provided in at least one lead tab claim 2 , and an insulating layer which wraps around the fusing unit claim 2 ,wherein the fusing unit is attached to the electrode tab detachably.4. The battery cell of claim 3 , wherein the fusing unit is configured to be separated from the ...

ELECTRIC STORAGE DEVICE, ELECTRIC STORAGE APPARATUS, METHOD FOR PRODUCING ELECTRIC STORAGE DEVICE, AND METHOD FOR PRODUCING COVER PLATE

An electric storage device includes an electrode assembly including a positive electrode plate and a negative electrode plate that are insulated from each other, and a case that houses the electrode assembly. The case includes a case body including an opening, and a cover plate that is placed on an opening edge of the opening of the case body so as to cover the opening. The case body includes a step portion at the opening edge. The cover plate includes a projection that is inserted into the opening of the case body. At least a portion of the projection opposes the step portion within the case body. A seam between the cover plate and the opening edge of the case body is laser welded in at least the step portion. 1. An electric storage device , comprising:an electrode assembly comprising a positive electrode plate and a negative electrode plate that are insulated from each other; anda case that houses the electrode assembly,wherein the case comprises a case body including an opening, and a cover plate that is placed on an opening edge of the opening of the case body so as to cover the opening,wherein the case body comprises a step portion at the opening edge,wherein the cover plate comprises a projection that is inserted into the opening of the case body,wherein at least a portion of the projection opposes the step portion within the case body, andwherein a seam between the cover plate and the opening edge of the case body is laser welded in at least the step portion.2. The electric storage device according to claim 1 , wherein the cover plate comprises a recess on an outer surface side of a portion where the projection is provided.3. The electric storage device according to claim 1 , wherein the case body has a bottomed rectangular tubular shape claim 1 ,wherein the step portion extends over at least one entire side of the opening edge of the case body, andwherein the projection is formed at at least a position corresponding to the one side.4. The electric storage ...

ELECTRIC STORAGE DEVICE AND RECHARGEABLE BATTERY

The electric storage device is provided with a case body and an electrode assembly accommodated in the case body. The electrode assembly includes positive and negative electrode sheets each having an active material layer. The case body includes at least one primary inner wall surface, at least one secondary inner wall surface, and corner surfaces. A plane that includes the boundary line between a primary inner wall surface and the corresponding corner surface and faces the corresponding secondary inner wall surface is defined as an imaginary boundary plane. An edge of the active material layer of a positive electrode sheet facing the corresponding secondary inner wall surface is positioned on the surface of the imaginary boundary plane, or is positioned in a region spaced further apart from the secondary inner wall surface facing the edge than the position of the imaginary boundary plane. 1. An electric storage device comprising:a case main body having a bottom wall, an opening portion located on the opposite side to the bottom wall, and a plurality of side walls extending from the bottom wall toward the opening portion;an electrode assembly accommodated in the case main body and having a layer structure, in which at least one positive electrode sheet having an active material layer, at least one negative electrode sheet having an active material layer, and a separator located between the positive electrode sheet and the negative electrode sheet are laminated; anda lid body closing the opening portion of the case main body, whereinthe case main body has at least one primary inner wall surface perpendicular to the laminating direction of the electrode assembly, at least one secondary inner wall surface adjoining the primary inner wall surface and being parallel with the laminating direction of the electrode assembly, and a corner surface connecting the mutually adjacent primary and secondary wall surfaces,the separator includes a primary separator and a secondary ...

METHOD FOR MANUFACTURING A NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

An opening of a packaging member containing a positive electrode, a negative electrode, and a non-aqueous electrolyte solution is temporarily sealed to produce a temporarily sealed battery. The temporarily sealed battery is initially charged so that a negative electrode potential becomes higher than 0.8 V and 1.4 V or lower (versus Li/Li), and is stored in an atmosphere of 50° C. or higher and lower than 80° C. Thereafter, gas is discharged from the temporarily sealed battery, and the temporarily sealed battery is finally sealed to produce a non-aqueous electrolyte secondary battery. Lithium titanate with a spinel structure, lithium titanate with a ramsdellite structure, LiTiO, LiTiO, a titanic acid compound given by the general formula HTiO, or a monoclinic titanium composite oxide such as a bronze titanium oxide may be used as the titanium composite oxide. 1. A method for manufacturing a non-aqueous electrolyte secondary battery including a positive electrode , a negative electrode that includes an active material containing a titanium composite oxide having a lithium ion storage potential of 1.2 V or higher (versus Li/Li) , and a non-aqueous electrolyte solution , the method comprising:temporarily sealing an opening of a packaging member containing said positive electrode, said negative electrode, and said non-aqueous electrolyte solution to produce a temporarily sealed secondary battery;{'sup': '+', 'adjusting a negative electrode potential of said temporarily sealed secondary battery to a potential higher than 0.8 V and equal to or lower than 1.4 V (versus Li/Li);'}storing said temporarily sealed secondary battery in an atmosphere having a temperature greater than or equal to 50° C. less than 80° C.; anddischarging a gas from said temporarily sealed secondary battery; andsealing said packaging member.2. The method according to claim 1 , whereinsaid storing of said temporarily sealed secondary battery is performed in an open circuit state.3. The method according ...

Electrical Energy Accumulation Device Based on a Gas-Electric Battery

A device for the accumulation of electrical energy contains a gas-electric battery having a hollow housing, partially filled with an electrolyte solution, and electrodes, positioned inside the hollow housing and made of a conductive adsorbent of the electrolysis gases. The electrodes are divided by a gas-permeable separator. Current-collectors linked to the electrodes are connected to a charge-discharge converter designed to allow for a periodic change in the polarity of the charge current during the charging process. The device makes it possible to provide a long operating life with minimal environmental pollution. 1. A device for accumulation of electrical energy , comprising a hollow housing;', 'an electrolyte solution within the housing;', 'electrodes arranged within the housing, the electrodes comprising a conductive adsorbent for electrolysis gases;', 'a gas-permeable separator dividing the electrodes; and', 'current-collectors connected to the electrodes; and, 'a gas-electric battery, comprisinga charge-discharge converter connected to the current-collectors, wherein the converter is adaptable to a periodic change in a polarity of a charge current during a charging process.2. The device according to claim 1 , wherein the conductive adsorbent is selected from a group consisting of activated carbon claim 1 , activated carbon black claim 1 , activated graphite claim 1 , colloidal carbon claim 1 , pyrocarbon and mixtures thereof.3. The device according to claim 1 , wherein the electrolyte solution is an aqueous sodium chloride solution.4. The device according to claim 1 , wherein a protective valve and a valve for creating overpressure in the housing are arranged on an upper panel of the housing.5. The device according to claim 4 , wherein an adsorbent layer is placid under the upper panel of the housing claim 4 , separated from the electrodes by a separator.6. The device according to claim 1 , wherein nozzles for supplying and releasing the electrolyte solution ...

Lithium Ion Battery With Modular Bus Bar Assemblies

Lithium ion batteries are provided that include a plurality of electrochemical units positioned within a container or assembly. A multi-layered bus bar is provided to establish electrical connection with the anode and cathode of the electrochemical units. Based on the design of the bus bar, a desired voltage and capacity may be delivered by the battery without redesign or redeployment of the electrochemical units within the container or assembly. A plurality of bus bars may be interchangeably introduced to the container/assembly to yield lithium ion batteries that deliver differing voltage and/or capacity. 1. A lithium ion battery , comprising:a can that defines a base and side walls;a lid mounted with respect to the can, such that the can and the lid define an internal volume;a plurality of electrochemical units; anda bus bar;wherein the bus bar defines a multi-layer assembly that includes an anode portion, a cathode portion and an insulative intermediate layer; andwherein the bus bar is effective to deliver a selected lithium ion battery configuration based on its electrical connection to the plurality of electrochemical units.2. The lithium ion battery of claim 1 , wherein the bus bar defines electrical connection points for electrical connection relative to the anode and the cathode of each electrochemical unit.3. The lithium ion battery of claim 2 , wherein the bus bar is configured to electrically isolate the anode connection from the cathode connection for each electrochemical unit.4. The lithium ion battery of claim 1 , wherein the bus bar is selected from a plurality of bus bar designs claim 1 , each of the plurality of bus bar designs delivering a different voltage claim 1 , a different capacity or a combination of a different voltage and a different capacity.5. The lithium ion battery of claim 1 , wherein the bus bar is effective to place certain of the electrochemical units in a parallel electrical configuration and certain of the electrochemical units ...

POWER SUPPLY SYSTEM

A power supply system for a motor vehicle includes an electric power supply and a fluid storage, wherein the fluid storage has a housing and a fluid storage space, in which a fluid can be stored, wherein the housing surrounds the fluid storage space, wherein the fluid storage is arranged adjacent to the power supply, and wherein the housing is of reinforced design. 1. A power supply system for a motor vehicle , comprising an electric power supply means and a fluid storage means , wherein the fluid storage means has a housing and a fluid storage space in which a fluid can be stored , wherein the housing surrounds the fluid storage space , wherein the fluid storage means is arranged adjacent to the power supply means , and wherein the housing is of reinforced design.2. The power supply system as claimed in claim 1 , wherein the housing is closed.3. The power supply system as claimed in claim 1 , wherein the fluid storage means comprises sealing elements claim 1 , which seal off the housing from an environment.4. The power supply system as claimed in claim 1 , wherein the fluid storage means is a compressed air reservoir.5. The power supply system as claimed in claim 1 , wherein the housing has reinforcing elements.6. A motor vehicle comprising the power supply system as claimed in .7. The motor vehicle as claimed in claim 6 , wherein the motor vehicle comprises an air spring means claim 6 , and in that the fluid storage means is a compressed air reservoir for the air spring means.8. The motor vehicle as claimed in claim 6 , wherein the fluid storage means is configured to protect the power supply means from forces arising due to a frontal or lateral collision of the motor vehicle with some other object. This application claims priority to German Patent Application No. DE 10 2016 119 270.8, filed Oct. 11, 2016, the content of such application being incorporated by reference herein in its entirety.The invention relates to a power supply system for a motor vehicle ...

APPARATUS AND METHOD FOR PROTECTING A COMPONENT

According to various, but not necessarily all, examples of the disclosure there may be provided an apparatus and method, the apparatus may comprise: an encapsulated portion configured to receive at least one component wherein the encapsulated portion comprises at least one barrier wall; and a source of gas provided within the encapsulated portion and configured to cause a net flow of gas through the barrier walls from inside the encapsulated portion to outside the encapsulated portion. 1. An apparatus comprising:an encapsulated portion configured to receive at least one component wherein the encapsulated portion comprises at least one barrier wall; anda source of gas provided within the encapsulated portion and configured to cause a net flow of gas through the barrier walls from inside the encapsulated portion to outside the encapsulated portion.2. An apparatus as claimed in wherein the at least one component comprises an electronic component.3. An apparatus as claimed in wherein the source of gas comprises a material provided inside the encapsulated portion which is configured to emit gas.4. An apparatus as claimed in wherein the material configured to emit gas comprises an adhesive wherein gas is dissolved in the adhesive.5. An apparatus as claimed in wherein the material configured to emit gas is provided overlaying a component.6. An apparatus as claimed in wherein the material configured to emit gas is provided on a substrate adjacent to a component.7. An apparatus as claimed in wherein the source of gas is provided by configuring the pressure inside the encapsulated portion to be greater than the pressure outside the encapsulated portion.8. An apparatus as claimed in wherein the pressure difference is created by forming the encapsulated portion at temperatures below the ambient temperature of the apparatus.9. An apparatus as claimed in wherein the pressure difference is created by forming the encapsulated portion at pressures above the ambient pressure of the ...

MULTI-LAYER CONTACT PLATE CONFIGURED TO ESTABLISH ELECTRICAL BONDS TO BATTERY CELLS IN A BATTERY MODULE

An embodiment is directed to a multi-layer contact plate configured to establish electrical bonds to battery cells in a battery module. The multi-layer contact plate includes two or more primary conductive layers (e.g., Al, Cu, etc.), and a cell terminal connection layer (e.g., steel, Al, Cu, etc.) that is joined with, and sandwiched by, the two or more primary conductive layers. A portion of the cell terminal connection layer is configured to form a set of bonding connectors (e.g., bonding ribbons) to provide a direct electrical bond between the multi-layer contact plate and terminals (e.g., positive terminals, negative terminals, or a combination thereof) of at least one group of battery cells (e.g., a single group of battery cells, two groups of battery cells that are connected in series, etc.). 1. A multi-layer contact plate configured to establish electrical bonds to battery cells in a battery module , comprising:one or more primary conductive layers; anda cell terminal connection layer that is joined with the one or more primary conductive layers,wherein a portion of the cell terminal connection layer is configured to form a set of bonding connectors to provide electrical bonds between the multi-layer contact plate and terminals of at least one parallel group of battery cells (P-Group), andwherein the one or more primary conductive layers are each thicker than the cell terminal connection layer and each comprise a respective material composition that is more electrically conductive than a material composition of the cell terminal connection layer.2. The multi-layer contact plate of claim 1 , wherein the cell terminal connection layer comprises foil.3. The multi-layer contact plate of claim 2 ,wherein the foil comprises steel, andwherein the respective material composition of the one or more primary conductive layers comprises aluminum, copper or an alloy thereof.4. The multi-layer contact plate of claim 1 , wherein the one or more primary conductive layers ...

MIXING ELEMENT AND ACCUMULATOR

The invention relates to a mixing element designed to be installed into a housing of a liquid electrolyte-operated electrochemical accumulator in order to mix the electrolyte as a result of forces and/or motion exerted on the accumulator during operation, wherein the mixing element is designed as a hollow body provided with at least one respective opening at opposite end regions such that a channel is formed in the hollow body which leads into the at least one respective opening in the opposite end regions and is circumferentially delimited there by the material of the mixing element, wherein the mixing element comprises one or more securing and/or spacer ribs protruding from the external side of the mixing element and designed to contact parts of the accumulator housing in order to fix the mixing element in the accumulator and/or set a specific position of the mixing element relative to the housing parts. The invention further relates to a range of mixing elements as well as an accumulator having at least one mixing element. 113-. (canceled)14. A mixing element designed to be installed into a housing of an electrochemical accumulator operated by means of liquid electrolyte in order to mix the electrolyte as a result of forces and/or motion exerted on the accumulator during operation , wherein the mixing element is designed as a hollow body provided with at least one respective opening at opposite end regions such that a channel is formed in the hollow body which leads into the at least one respective opening in the opposite end regions and is circumferentially delimited there by the material of the mixing element , characterized in that the mixing element comprises one or more securing and/or spacer ribs protruding from the external side of the mixing element and designed to contact parts of the housing of the accumulator in order to fix the mixing element in the accumulator and/or set a specific position of the mixing element relative to the housing parts , ...

Multi-Layered Terminal Having Thermal Fuse for a Traction Battery Cell

A vehicle traction battery assembly which may include an array of battery cells is provided. Each of the cells includes terminals of opposite polarity. Each of the terminals may have a plurality of segment layers, and at least one of the segment layers of each of the terminals may have a melting point less than that of adjacent segment layers on either side thereof. One of the cells may be electrically isolated from other of the cells in response to at least one of the segment layers of the terminals of the one of the cells melting. The assembly may also include a housing, and the segment layers having a melting point less than that of adjacent segment layers may be located outside of the housing. The segment layers having a melting point less than that of adjacent segment layers may be located within the housing.

CYLINDRICAL BATTERY

A battery includes a cylindrical battery case and an electrode group including a positive electrode, a negative electrode, and a separator. The electrode group and the battery case define a space communicated from a top to a bottom, and one of the positive electrode and the negative electrode has a current collecting terminal that extends from the electrode group in a direction away from a center axis of the battery case and is in contact with a bottom surface of the battery case. 1. A cylindrical battery , comprising:a cylindrical battery case; andan electrode group including a positive electrode, a negative electrode, and a separator, whereinthe electrode group and the battery case define a space communicated from a top to a bottom therebetween, andone of the positive electrode and the negative electrode has a current collecting terminal that extends from the electrode group in a direction away from a center axis of the battery case and is in contact with a bottom surface of the battery case.2. The cylindrical battery according to claim 1 , whereinone of the positive electrode and the negative electrode is an electrode plate including a current collector and an active material applied to the current collector,the current collector has an unapplied portion that is linearly formed and has no active material applied thereto, and applied portions that are formed at both ends of the unapplied portion and have the active material applied thereto, andthe current collector is bent at the unapplied portion so that the applied portions at the both ends face each other, and the unapplied portion is partially bent outward to form the current collecting terminal.3. The cylindrical battery according to claim 2 , whereinthe unapplied portion is partially formed with a slit and an inside of the slit is bent outward to form the current collecting terminal.4. The cylindrical battery according to claim 2 , whereinthe unapplied portion is partially bent outward from one of the ...

Hydrogen storage alloy, negative electrode using hydrogen storage alloy, and nickel-hydrogen secondary battery using negative electrode

A nickel-hydrogen secondary battery includes an electrode group that includes a separator, a positive electrode and a negative electrode, and the negative electrode contains a hydrogen storage alloy having a crystal structure in which an AB 2 type unit and an AB 5 type unit are laminated, in which a PCT characteristic diagram at 80° C. includes a first plateau region having a hydrogen pressure Pd1 when hydrogen is stored by 0.25 times an effective hydrogen storage amount that is a hydrogen storage amount when a hydrogen pressure is 1 MPa, and a second plateau region having a hydrogen pressure Pd2 when hydrogen is stored by 0.70 times the effective hydrogen storage amount, and Pd1 and Pd2 satisfy a relation of 0.6≤log 10 (Pd2/Pd1).

ARRANGEMENT OF A PLURALITY OF GALVANIC ELEMENTS STACKED IN A HOUSING, AND BATTERY COMPRISING SUCH AN ARRANGEMENT OF GALVANIC ELEMENTS

An arrangement includes a housing and multiple galvanic elements stacked in the housing, the galvanic elements having a layer sequence which includes a current collector associated with the anode, an anode, a separator, a cathode, and a current collector associated with the cathode. In each case a seal covers the edge of the layer sequence of a galvanic element in order to electrically insulate and seal same in a gas-tight manner, and the outer surface of the current collector associated with the anode and the outer surface of the current collector associated with the cathode remain at least partly free, so that the current collector, associated with the cathode, of a galvanic element electrically contacts the current collector, associated with the anode, of a galvanic element adjacently situated in the housing. 113-. (canceled)14. An arrangement , comprising:a housing; andmultiple galvanic elements stacked in the housing, the galvanic elements having a layer sequence which includes: an anode, a current collector associated with the anode, a separator, a cathode, and a current collector associated with the cathode;wherein for each of the galvanic elements, a seal covers the edge of the layer sequence of one of the galvanic elements to electrically insulate and seal same in a gas-tight manner, the outer surface of the current collector associated with the anode and the outer surface of the current collector associated with the cathode remaining at least partly free, so that the current collector, associated with the cathode, of a galvanic element electrically contacts the current collector, associated with the anode, of a galvanic element adjacently situated in the housing.15. The arrangement of claim 14 , wherein the galvanic elements are positioned in the housing with the aid of their seal claim 14 , and the housing and the seal are configured so that a galvanic element is movable relative to the housing when the galvanic element expands or contracts.16. The ...

METHOD OF MANUFACTURING SECONDARY BATTERY, AND SECONDARY BATTERY

In a fixing process, a fixing tape is wound around a first side surface of an electrode body and a second side surface which is a rear surface of the first side surface across a first end surface and a second end surface positioned at both ends of the electrode body in a stacking direction of the electrode body, from an outside of the stacked electrode body. In a stacking process before the fixing process, the electrode body is formed, and at least at a corner in the first and second side surfaces of the electrode body on a downstream side of a direction in which the fixing tape is wound, a protection member which protects the corner is disposed. 1. A method of manufacturing a secondary battery which includes a stacked electrode body which is made by stacking a positive plate and a negative plate while interposing a separator between the positive plate and the negative plate , a fixing tape which is wound around an outside of the stacked electrode body and prevents deformation of the electrode body , and a battery case in which the electrode body around which the fixing tape is wound and an electrolyte are accommodated , the method comprising:stacking the positive plate, the negative plate, and the separator, forming the electrode body through the stacking, and disposing a protection member having higher bending strength than any of the positive plate, the negative plate, and the separator on at least an outer peripheral surface of the electrode body;winding the fixing tape, across at least a first end surface and a second end surface positioned at both ends of the electrode body in a stacking direction of the electrode body, around a first side surface adjacent to the first end surface and the second end surface of the electrode body and a second side surface which is a rear surface of the first side surface, from an outside of a portion of the electrode body on which the protection member is disposed, and fixing the fixing tape; andaccommodating the electrode body ...

JELLYROLL-TYPE ELECTRODE ASSEMBLY AND SECONDARY BATTERY COMPRISING THE SAME

Disclosed is a jellyroll-type electrode assembly including a first electrode, a second electrode, and a separator interposed between the electrodes folded together, in which the first electrode has a non-coating part and a first electrode tab attached onto the non-coating part, the non-coating part representing a part of the first electrode not coated with an active material, and the at least double-folded-layer separator is disposed between the first electrode tab and the second electrode. 1. A jellyroll-type electrode assembly comprising a first electrode , a second electrode , and a separator interposed between the electrodes folded together ,wherein the first electrode has a non-coating part and a first electrode tab attached onto the non-coating part, the non-coating part representing a part of the first electrode not coated with an active material, and the at least double-folded-layer separator is disposed between the first electrode tab and the second electrode.2. The jellyroll-type electrode assembly according to claim 1 , wherein the first electrode tab is disposed on at least one of both end parts of the first electrode and an intermediate part of the first electrode.3. The jellyroll-type electrode assembly according to claim 1 , wherein the first electrode is a negative electrode and the second electrode is a positive electrode.4. The jellyroll-type electrode assembly according to claim 1 , wherein the first electrode is a positive electrode and the second electrode is a negative electrode.5. The jellyroll-type electrode assembly according to claim 1 , wherein the jellyroll-type electrode assembly is folded with separator/first electrode tab/first electrode/separator/separator/first electrode/separator/second electrode put in a sequential order from a center part.6. The jellyroll-type electrode assembly according to claim 1 , wherein the separator includes a porous polymer substrate claim 1 , or includes a porous polymer substrate; and a porous coating ...

BATTERY AND METHOD FOR MANUFACTURING SAME

A battery comprising an electrode stacked body that includes a plurality of electrodes and a plurality of separators that are alternately stacked; and a film-made cover member that, by joining mutually overlapped peripheral portions of films, constitute a package for hermetically receiving therein the electrode stacked body, in which the plurality of separators include separators that are flat in shape and larger in size and separators that are flat in shape and smaller in size, and the separators that are flat in shape and larger in size project outward from a side of the electrode stacked body and joined to the films of the film-made cover member at a position inside the mutually joined peripheral portions of the film-made cover member. 1. A battery comprising:an electrode stacked body that includes a plurality of electrodes and a plurality of separators that are alternately stacked; anda film-made cover member that, by joining mutually overlapped peripheral portions of films, constitute a package for hermetically receiving therein the electrode stacked body,in which the plurality of separators include separators that to are flat in shape and larger in size and separators that are flat in shape and smaller in size, and the separators that are flat in shape and larger in size project outward from a side of the electrode stacked body and joined to the films of the film-made cover member at a position inside the mutually joined peripheral portions of the film-made cover member.2. A battery as claimed in claim 1 , in which the plurality of separators that are flat in shape and larger in size and the plurality of separators that are flat in shape and smaller in size are alternately put on one another in a direction in which the separators are stacked.3. A battery as claimed in claim 1 , in which the peripheral portions of the films of the film-made cover member are heat joined to each other and the separators that are flat in shape and larger in size are bonded to the ...

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, BATTERY PACK, ELECTRONIC DEVICE, ELECTRIC VEHICLE, POWER STORAGE DEVICE, AND POWER SYSTEM

A battery incudes wound positive and negative electrodes, where the wound positive electrode includes a positive electrode current collector, a first positive electrode active material layer provided on an inner surface of the positive electrode current collector, and a second positive electrode active material layer provided on an outer surface of the positive electrode current collector. An inner circumference side end portion and an outer circumference side end portion of the positive electrode current collector are covered with the first active material layer, and the first positive electrode active material layer includes a low area density portion in a portion facing an inner circumference side end portion of the wound positive electrode. 1. A battery comprising wound positive and negative electrodes ,wherein the wound positive electrode includes a positive electrode current collector, a first positive electrode active material layer provided on an inner surface of the positive electrode current collector, and a second positive electrode active material layer provided on an outer surface of the positive electrode current collector,an inner circumference side end portion and an outer circumference side end portion of the positive electrode current collector are covered with the first positive electrode active material layer and the second positive electrode active material layer, andthe first positive electrode active material layer includes a low area density portion at an inner circumference side end portion of the wound positive electrode.2. The battery according to claim 1 , wherein the low area density portion has an area density lower than an average area density of the first positive electrode active material layer.3. The battery according to claim 1 , wherein an area density ratio D/Dbetween an area density Dof the low area density portion and an average area density Dof the first positive electrode active material layer satisfies a relationship of D/D≤ ...

LITHIUM ION BATTERY AND LITHIUM ION BATTERY PACK

According to one embodiment of the present invention, a lithium ion battery having desirable safety performance is provided. The lithium ion battery includes a battery housing, a battery cover assembled to the battery housing, a pressure relief valve coupled to the battery housing and/or battery cover, and a safety device formed on the housing and/or battery cover and fixed to the pressure relief valve. The safety device includes a shielding plate facing the pressure relief valve, a side wall and an air flow channel structure. The side wall extends from the shielding plate and connects with the battery housing or the battery cover. The air flow channel structure is defined in the side wall. 1. A lithium ion battery , comprising:a battery housing;a battery cover assembled to the battery housing; anda pressure relief valve coupled to the battery housing and/or battery cover;wherein the battery housing and/or the battery cover is assembled with a first safety device fixed to the pressure relief valve, the first safety device comprises a shielding plate facing the pressure relief valve, a side wall and an air flow channel structure, the side wall extends from the shielding plate and connects with the battery housing or the battery cover, and the air flow channel structure is defined in the side wall.2. The lithium ion battery of claim 1 , wherein the air flow channel structure is only defined in the side wall.3. The lithium ion battery of claim 1 , wherein the air flow channel structure comprises at least one opening claim 1 , at least one through holes array claim 1 , or at least one notch defined in the side wall.4. The lithium ion battery of claim 3 , wherein the air flow channel structure is a through holes array claim 3 , and each through hole in the through holes array has an area no less than 1 mm.5. The lithium ion battery of claim 1 , wherein the shielding plate defines a plurality of through holes claim 1 , and each through hole in the shielding plate has an ...

NEGATIVE ELECTRODE FOR PREVENTING DEPOSITION OF MANGANESE AND BATTERY CELL INCLUDING THE SAME

Disclosed is a battery cell having an electrode assembly that is sealed with an electrolyte solution within a battery case, the electrode assembly including one or more positive electrodes to which a positive electrode terminal is connected; one or more first negative electrodes to which a first negative electrode terminal is connected; one or more second negative electrodes to which a second negative electrode terminal is connected; and a separator disposed between the positive electrode and the first negative electrode or second negative electrode, or a separator disposed between the positive electrode and the first negative electrode or second negative electrode and a separator disposed between the first negative electrode and the second negative electrode. 1. A battery cell having an electrode assembly that is sealed with an electrolyte solution within a battery case , the electrode assembly comprising:one or more positive electrodes to which a positive electrode terminal is connected;one or more first negative electrodes to which a first negative electrode terminal is connected;one or more second negative electrodes to which a second negative electrode terminal is connected; anda separator disposed between the positive electrode and the first negative electrode or second negative electrode, or a separator disposed between the positive electrode and the first negative electrode or second negative electrode and a separator disposed between the first negative electrode and the second negative electrode.2. The battery cell according to claim 1 , wherein the one or more second negative electrodes are electrically connected with the one or more positive electrodes via the second negative electrode terminal and the positive electrode terminal in an activation process of the battery cell.3. The battery cell according to claim 2 , wherein the activation process is performed in a potential of 2.8 V to 3.65 V with respect to Li/Li.4. The battery cell according to claim 1 ...