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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 7725. Отображено 100.
05-04-2012 дата публикации

Secondary battery

Номер: US20120082891A1
Автор: Chang-Bum Ahn
Принадлежит: Samsung SDI Co Ltd

Disclosed are a secondary battery including an electrode assembly which includes a first electrode plate and a second electrode plate arranged as a stack, and a separator interposed between the first electrode plate and the second electrode plate, the first electrode plate including a first active material coating part formed by coating a base with a first active material and a first non-coating part, the second electrode plate including the second active material coating part formed by coating a base with a second active material and a second non-coating part, and the first non-coating part including an insulating member in a portion corresponding to the second electrode plate.

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Номер записи: 1
10-05-2012 дата публикации

Battery and battery manufacturing apparatus

Номер: US20120115021A1
Автор: Hiroaki Yotsumoto
Принадлежит: Mitsubishi Heavy Industries Ltd

A battery includes: an electrode terminal that includes a fastening member; and an electrode plate that includes an electrode tab provided with a through-hole. The through-hole is a part of an outer shape of the electrode plate, and the electrode terminal and the electrode plate are electrically connected to each other through the through-hole by the fastening member.

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Номер записи: 2
31-05-2012 дата публикации

Method for manufacturing a gasket

Номер: US20120131793A1
Автор: David Hock, Lars Fredriksson, Neil H. Puester
Принадлежит: Nilar International AB

A gasket for a bipolar battery comprises a structural part in the shape of a frame having an upper surface and a lower surface, and at least one channel to permit gas passage through the gasket. The structural part may be made from a first material having hydrophobic properties. The gasket further comprises at least a first sealing surface arranged in a closed loop projecting from the upper surface, and at least a second sealing surface arranged in a closed loop projecting from the lower surface. The first and the second sealing surfaces are provided on at least one sealing part, are made from a second material, and the first material of the structural part has a higher elastic modulus than an elastic modulus of the second material of the sealing parts. A bipolar battery and a method for manufacturing a gasket are also disclosed.

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Номер записи: 3
31-05-2012 дата публикации

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

Номер: US20120135288A1
Автор: Jens Meintschel
Принадлежит: Li Tec Battery GmbH

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

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Номер записи: 4
14-06-2012 дата публикации

Battery unit

Номер: US20120148887A1
Автор: Alex Thaler, Ralph WÜNSCHE
Принадлежит: Magna Steyr Fahrzeugtechnik GmbH and Co KG

A battery unit (1) with a stack (2) of flat cells (3), with metal cooling sheets (4) between the cells, which have at least one bended edge (5), with the edges (5) of adjacent metal cooling sheets (4) aligned in the same direction and with the bending partially overlapping in order to form die gaps (6) which are also aligned in the same direction.

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Номер записи: 5
14-06-2012 дата публикации

Secondary battery and secondary battery manufacturing apparatus

Номер: US20120148913A1
Автор: Daisuke Chiba
Принадлежит: Mitsubishi Heavy Industries Ltd

A secondary battery includes an electrode body in which a positive electrode plate and a negative electrode plate are alternately stacked through a separator, a case to store the electrode body, and a cover having a positive electrode terminal and a negative electrode terminal and fitted to the case, wherein the positive electrode plate includes a positive electrode main body having a substantial plate shape, and a first tab arranged to be line-symmetrical with respect to a centerline of the positive electrode plate and connected to the positive electrode main body and the positive electrode terminal, the negative electrode plate comprises a negative electrode main body having a substantial plate shape, and a second tab arranged to be line-symmetrical with respect to a centerline of the negative electrode plate and connected to the negative electrode main body and the negative electrode terminal, and the first tab and the second tab are arranged not to overlap each other when the tabs are stacked.

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Номер записи: 6
28-06-2012 дата публикации

Battery

Номер: US20120164497A1
Автор: Takaya Saito, Tomoyoshi Kurahashi
Принадлежит: Mitsubishi Heavy Industries Ltd

A battery includes: a stacked electrode body in which a first electrode plate having a potential of a first polarity and a second electrode plate having a potential of a second polarity are stacked through a first separator; a battery case that stores the stacked electrode body in a hermetically sealed state and is charged to the potential of the first polarity; and a wall surface resin that is arranged between the battery case and the stacked electrode body stored in the battery case. A second temperature at which the wall surface resin is melted or shrunken is lower than a first temperature at which the first separator is melted or shrunken, and when the internal temperature of the battery case becomes equal to or higher than the second temperature, the battery case and the second electrode plate come into contact with each other or are short-circuited to each other.

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Номер записи: 7
02-08-2012 дата публикации

Secondary battery

Номер: US20120196166A1
Автор: Dukjung Kim
Принадлежит: SB LiMotive Co Ltd

A secondary battery includes a plurality of electrode assemblies, a current collector electrically connected to each of the electrode assemblies, a case accommodating the plurality of electrode assemblies and the current collector, a cap plate sealing the case, and an electrode terminal electrically connected to the current collector and penetrating the cap plate, wherein the plurality of electrode assemblies are arranged such that an axis of each electrode assembly is parallel to a bottom surface of the case and the plurality of electrode assemblies are disposed in a longitudinal direction.

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Номер записи: 8
23-08-2012 дата публикации

Rechargeable battery

Номер: US20120214036A1
Автор: Jae-Hyung Kim
Принадлежит: Samsung SDI Co Ltd

In one aspect, a rechargeable battery for efficiently controlling a composite thickness on both edges of a coated unit when an uncoated region on an edge of an electrode plate is used for an electrode assembly is provided. The rechargeable battery can include: an electrode assembly including electrodes with opposite polarities on both ends of a separator; and an electrode terminal connected to the electrode assembly wherein the electrode includes a coated unit coated with a composite on an electrode plate and an uncoated region set on an edge of the electrode plate exposed on the coated unit.

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Номер записи: 9
22-11-2012 дата публикации

Method for producing lithium ion secondary battery

Номер: US20120295164A1
Автор: Hiroki Nagai, Tomohiro Nakano
Принадлежит: Toyota Motor Corp

The method for producing a lithium ion secondary battery includes: selecting a positive electrode sheet, negative electrode sheet, and separator sheet; constructing an electrode assembly by superimposing the selected sheets; and housing the above electrode assembly in a battery case along with an electrolyte solution. In the method, at least one of the sheets is selected such that it satisfies the relationship 0.8<a/b<1.5 where a and b represent the slopes of straight lines respectively that are determined in tests under the respective conditions of (1) a high-rate loading-unloading cycle and (2) a low-rate loading-unloading cycle.

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Номер записи: 10
06-12-2012 дата публикации

Cell block with lateral supporting of the cells

Номер: US20120308864A1
Автор: Claus-Rupert Hohenthanner, Holger Mikus, Jens Meintschel, Tim Schaefer
Принадлежит: Li Tec Battery GmbH

The invention relates to an assembly composed of at least one galvanic cell and at least two frame elements, wherein one galvanic cell is respectively disposed between two frame elements, wherein the assembly forms a stack and has a tensioning device for bracing the assembly in the direction of the stack; wherein the galvanic cell comprises a flat main body and at least two current conductors, said main body having two flat sides and peripheral narrow sides; wherein each frame element comprises a plurality of, preferably four, beams connected to each other in a closed configuration and defining a free space therebetween; wherein the main body of the galvanic cell is received in the free space of two adjacent frame elements; and wherein at least in the region of the narrow sides of the main body, preferably beyond an edge in which the narrow sides transition into a flat side of the galvanic cell, the cross-sections of sections of the frame elements that face toward the free space are designed to follow the contour of the main body of the galvanic cell. In such a way, the galvanic cell can be laterally supported on the frame elements.

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Номер записи: 11
20-12-2012 дата публикации

Lamination type secondary batteries

Номер: US20120321932A1
Автор: Takao Daidoji, Takeshi Ise
Принадлежит: NEC Energy Devices Ltd

The present invention provides a lamination type secondary battery in which separators are prevented from becoming wrinkled and are free from laminating dislocation. An aspect of the present invention is a lamination type secondary battery in which a plurality of planar positive electrodes ( 2 ) and negative electrodes ( 3 ) are alternately laminated. The lamination type secondary battery includes a plurality of pairs of separators ( 4 ′), an intermittent joining section ( 6 ), and an outer periphery joining section ( 7 ). Each pair of separators ( 4 ′) sandwiches and coats at least one among from the positive electrodes ( 2 ) and the negative electrodes ( 3 ). The intermittent joining section ( 6 ) is arranged at predetermined intervals along an outer periphery of each of the positive electrodes ( 2 ) or each of the negative electrodes ( 3 ). The intermittent joining section ( 6 ) is a section that joins the pair of separators ( 4 ′). The outer periphery joining section ( 7 ) partly joins the outer peripheries of the pair of separators ( 4 ′) such that the outer periphery joining section ( 7 ) is harder than the other sections.

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Номер записи: 12
28-03-2013 дата публикации

Secondary battery assembly

Номер: US20130078491A1
Автор: Hiroyuki Obata
Принадлежит: Toyota Motor Corp

A secondary battery assembly of the present invention comprises: a secondary battery including a wound electrode body enclosed in a flat rectangular case; a contact member partly contacting a side surface having a maximum area (pressed surface) of outer surfaces of the battery; and a binding member for binding the battery and the contact member, the binding member binding the contact member to partly press against the pressed surface. The contact member includes: a plurality of contact parts arranged discretely, each contact part being in contact with the pressed surface; and a connecting part connecting the contact parts. The contact parts are protruding from the connecting part toward the pressed surface, and to press more strongly both one-side regions of the pressed surface corresponding to portions off the center of the wound body in the winding axis direction, and to press less strongly a central region between the one-side regions.

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Номер записи: 13
11-04-2013 дата публикации

Rechargeable battery cell and battery

Номер: US20130089761A1
Автор: Birke Peter, Patzelt Carsten, Ripp Bjoern, Schiemann Michael, Schweiger Hans-Georg
Принадлежит: Continental Automotive GmbH

A rechargeable battery cell has at least one energy-optimized cell unit and at least one power-optimized cell unit. The power-optimized cell unit is configured in such a way that it can be used to generate a higher power than with the energy-optimized cell unit. The energy-optimized cell unit is configured in such a way that it can be used to store a higher quantity of energy per volume of the energy-optimized cell unit and/or per mass of the energy-optimized cell unit than with the power-optimized cell unit. The at least one energy-optimized cell unit and the at least one power-optimized cell unit are arranged in a common cell housing. 115-. (canceled)16. A rechargeable battery cell , comprising:at least one energy-optimized cell unit;at least one power-optimized cell unit, said power-optimized cell unit configured such that a higher level of power can be generated with said power-optimized cell unit than with said energy-optimized cell unit and said energy-optimized cell unit configured such that a higher amount of energy of at least one of per volume of said energy-optimized cell unit or per mass of said energy-optimized cell unit can be stored with said energy-optimized cell unit than with said power-optimized cell unit; anda common cell housing, said at least one energy-optimized cell unit and said at least one power-optimized cell unit disposed in said common cell housing.17. The rechargeable battery cell according to claim 16 , wherein:said at least one energy-optimized cell unit has at least two electrodes with active materials and a separator disposed between said electrodes of said at least one energy-optimized cell unit;said at least one power-optimized cell unit has at least two electrodes with activated materials and a separator disposed between said electrodes of said at least one power-optimized cell unit; andsaid electrodes of said energy-optimized cell unit having a greater thickness in a direction perpendicular to a plane of a plate of said ...

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Номер записи: 14
25-04-2013 дата публикации

Stacked constructions for electrochemical batteries

Номер: US20130101882A1
Автор: Martin Patrick Higgins, Randy Ogg
Принадлежит: Individual

A stacked battery has at least two cell segments arranged in a stack. Each cell segment may have a first electrode unit having a first active material electrode, a second electrode unit having a second active material electrode, and an electrolyte layer between the active material electrodes. One or more gaskets may be included in each cell segment to seal the electrolyte within the cell segment.

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Номер записи: 15
27-06-2013 дата публикации

Battery module

Номер: US20130164599A1
Автор: Myung-Chul Kim
Принадлежит: ROBERT BOSCH GMBH, Samsung SDI Co Ltd

A battery module including a plurality of battery cells, each of the battery cells including a terminal such that the plurality of battery cells provide a plurality of terminals, wherein a terminal of one of the battery cells is connected to a terminal of an adjacent battery cell with a connecting member; a top plate on the plurality of battery cells, the top plate including an opening corresponding to a position of the terminals connected by the connecting member such that the terminals connected by the connecting member extend therethrough, and a terminal cover detachably covering the opening of the top plate, the terminal cover including a release that selectively detaches the terminal cover from the top plate.

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Номер записи: 16
01-08-2013 дата публикации

Electrochemical energy storage device, battery having at least two such electrochemical energy storage devices, and method for operating such an electrochemical energy strorage device

Номер: US20130193927A1
Автор: Tim Schaefer
Принадлежит: Li Tec Battery GmbH

Electrochemical energy storage device ( 1 ) with at least one electrode assembly, particularly a rechargeable electrode assembly ( 2 ), that is designed to at least temporarily supply electrical energy, which electrode assembly has at least two electrodes ( 3, 3 a ) of differing polarities, with a functional device ( 5 ) that is designed to be electrically connected to the at least two electrodes ( 3, 3 a ) of differing polarity, and which is designed to be switchable to a second state, wherein the electrodes ( 3, 3 a ) of differing polarity are electrically connected to each other when the functional device ( 5 ) is in the second state, with a cell housing ( 6 ) that is designed to at least partially surround the electrode assembly ( 2 ) and the functional device ( 5 ).

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Номер записи: 17
01-08-2013 дата публикации

Battery having cell tab connection structure using resistance welding

Номер: US20130196211A1
Автор: Hyo Sung Lee, Jeon Keun Oh, Ji Seok Lee, Tae Young Park
Принадлежит: SK Innovation Co Ltd

Disclosed herein is a battery having a cell tab connection structure made using resistance welding. A support member is interposed between the cells to support the cells. A terminal is placed on an upper surface of the support member. Tabs of each of the cells or both side edges of the terminal are bent, and the terminal is joined to the corresponding tabs of the cells by resistance welding.

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Номер записи: 18
05-09-2013 дата публикации

Stationary electric power system and method for manufacturing stationary electric power system

Номер: US20130229147A1
Автор: Michinori Ikezoe, Naoto Todoroki, Ryuichi Amagai, Tomio Nagashima, Toshiyuki Motohashi
Принадлежит: Nissan Motor Co Ltd

A stationary electric power system including a low profile secondary battery that includes a battery body including an electric power generating element accommodated in an exterior package member. The low profile secondary battery includes a spacer disposed between the battery body and other battery body when the other battery body is stacked on the battery body. The spacer fixes the battery body in a predetermined position. The battery body and the spacer are connected with each other through an elastic body.

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Номер записи: 19
05-09-2013 дата публикации

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR MANUFACTURING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND VEHICLE COMPRISING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Номер: US20130230748A1
Автор: Fujihara Toyoki, Harada Hironori, Iyori Masahiro, Minami Keisuke, Morishima Ryuta, Nohma Toshiyuki, Takada Toshihiro, Yamauchi Yasuhiro, Yokoyama Yoshinori
Принадлежит:

A method for manufacturing a nonaqueous electrolyte secondary battery including a current interruption mechanism that interrupts electric current includes disposing, in the outer body, an electrode assembly and a nonaqueous electrolyte containing a compound having at least one of a cyclohexyl group and a phenyl group, adjusting the nonaqueous electrolyte to contain the compound having at least one of a cyclohexyl group and a phenyl group in an amount of from 2.5 g/mto 5.0 g/mwith respect to a formation area of a positive electrode active material layer on a positive electrode substrate surface, and thereafter performing aging treatment at 60° C. or more at a state of charge of 60% or more. This battery exhibits excellent output characteristics in a low temperature condition and can sufficiently ensure reliability even when the battery is overcharged through two-step charging in a low temperature condition. 1. A method for manufacturing a nonaqueous electrolyte secondary battery , the nonaqueous electrolyte secondary battery including: an electrode assembly that has a positive electrode sheet having a positive electrode active material layer formed on a surface of a positive electrode substrate , a negative electrode sheet having a negative electrode active material layer formed on a surface of a negative electrode substrate , and a separator interposed between the positive electrode sheet and the negative electrode sheet; an outer body storing the electrode assembly and a nonaqueous electrolyte; a first conductive pathway from the positive electrode sheet to the outside of the outer body; a second conductive pathway from the negative electrode sheet to the outside of the outer body; and a current interruption mechanism that is provided in at least one of the first pathway and the second pathway and interrupts electric current when the pressure in the outer body exceeds a predetermined value ,{'sup': 2', '2, 'the method comprising disposing, in the outer body, the ...

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Номер записи: 20
19-09-2013 дата публикации

BATTERY HAVING ENHANCED ELECTRICAL INSULATION CAPABILITY

Номер: US20130244071A1
Автор: KIM Dong Myung, LEE Jin Soo, LEE Kil Young
Принадлежит: LG CHEM, LTD.

Disclosed is a battery including a cathode in which cathode active-material coating layers provided on both surfaces of a cathode collector are longitudinally deviated from each other, and an anode having at least one anode active-material coating layer provided on an anode collector, the cathode and anode being wound to face each other with a separator interposed therebetween. At least one of a winding beginning portion and winding ending portion of the cathode is provided with a cathode uncoated part for installation of a cathode lead. An insulator tape is attached to the boundary of the cathode active-material coating layer at a position where the anode active-material coating layer faces a non-coating part of the cathode not containing the cathode active-material coating layer, achieving enhanced electrical insulation capability and consequential safety of the battery. 1. A battery comprising: a cathode having a cathode active-material coating layer provided on at least one surface of a cathode collector; and an anode having an anode active-material coating layer provided on at least one surface of an anode collector , the cathode and anode being wound to face each other with a separator interposed therebetween ,wherein the cathode active-material coating layer applied to the at least one surface of the cathode collector is longitudinally deviated from a cathode active-material coating layer applied to the other surface of the cathode collector such that application beginning and ending portions of both the cathode active-material coating layers are not consistent with each other, and only at least one of a winding beginning portion and winding ending portion of the cathode is provided with a cathode uncoated part for installation of a cathode lead, andwherein an insulator tape is attached to the boundary of the cathode active-material coating layer at a position where the anode active-material coating layer faces a non-coating part of the cathode not containing ...

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Номер записи: 21
10-10-2013 дата публикации

METHOD FOR IMPLEMENTING A SYSTEM FOR THE STORAGE OF ELECTRIC ENERGY FOR A VEHICLE WITH ELECTRIC PROPULSION AND HAVING CYLINDRICAL CHEMICAL BATTERIES ARRANGED IN A PLASTIC SUPPORT MATRIX

Номер: US20130263442A1
Автор: Favaretto Fabrizio
Принадлежит: FERRARI S.P.A.

A method for implementing a system for the storage of electric energy for a vehicle with electric propulsion; the storage system is provided with a pack of chemical batteries, which are connected to each other in series and/or in parallel and comprise respective electrochemical cells; each chemical battery has a cylindrical shape having a central symmetry axis; and a support matrix made of plastic material is provided, inside of which the chemical batteries are arranged. 1. A method for implementing a system for the storage of electric energy for a vehicle with electric propulsion; the storage system comprising:a pack of chemical batteries, which are connected to each other in at least one of series and parallel, comprising respective electrochemical cells, each of which has a cylindrical shape having a central symmetry axis; anda support matrix made of a plastic material and having a parallelepiped shape, inside of which the chemical batteries are arranged;the method comprising:implementing the support matrix separately and independently of the chemical batteries so as to form an empty support matrix having a plurality of through holes, each of which is adapted to receive and contain a corresponding chemical battery;axially inserting each chemical battery into a corresponding through hole of the support matrix so that only a central portion of the chemical battery is engaged by the support matrix, while the two end portions of each chemical battery protrude from the support matrix itself; andimplementing the electric connections of the chemical batteries after having inserted the chemical batteries into the through holes of the support matrix.2. A method according to claim 1 , wherein the support matrix has an adjusted mechanical strength claim 1 , which is lower than the mechanical strength of the single chemical batteries so as to deform in case of crash.3. A method according to claim 1 , wherein the support matrix has an adjusted mechanical strength which is ...

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Номер записи: 22
10-10-2013 дата публикации

Electrochemical cell and method for manufacturing same

Номер: US20130266850A1
Автор: Claus-Rupert Hohenthanner
Принадлежит: Li Tec Battery GmbH

An electrochemical cell ( 100 ) comprises at least one electrode stack ( 150 ) having at least one conductor device ( 110 ) and at least one casing ( 130 ). The casing ( 130 ) at least partially encases the electrode stack ( 150 ) and has at least one passage section ( 140 ) for the least one conductor device ( 110 ) from the interior to the exterior of the casing. At least one protective device ( 120 ) is disposed at this passage section ( 140 ) to maintain a substantially fluid-tight property of the casing ( 130 ) in the area of this passage section ( 140 ), i.e. to minimize the danger of damaging the casing ( 130 ) and/or its sealing seam in the area of this passage section ( 140 ).

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Номер записи: 23
24-10-2013 дата публикации

BATTERY STACK

Номер: US20130280585A1
Автор: MIYAGAWA Yukinori, MORISAKI Rie, TANAKA Masatoshi
Принадлежит:

A plurality of laminar battery cells and a plurality of plates are alternately disposed and stacked one on top of another. Each battery cell is fixed to an adjacent plate. A rectangle with a minimum area internally including the plate also internally includes the battery cell having a positive electrode tab and a negative electrode tab that are drawn out from the battery cell, when the battery stack is viewed in a stacked direction. 1. A battery stack in which a plurality of laminar battery cells and a plurality of plates are alternately disposed and stacked one on top of another ,wherein each of the plurality of battery cells is fixed to an adjacent plate, anda rectangle with a minimum area internally including the plate also internally includes the battery cell having a positive electrode tab and a negative electrode tab that are drawn out from the battery cell, when the battery stack is viewed in a stacked direction.2. The battery stack according to claim 1 ,wherein in order to allow the positive electrode tab and the negative electrode tab to be electrically connected between adjacent battery cells, a cut-out is formed in a region of the plate to which the positive electrode tab and/or the negative electrode tab are/is opposed.3. The battery stack according to claim 1 ,wherein each side of the rectangle with the minimum area internally including the plate extends 1 mm or more from the battery cell including the positive electrode tab and the negative electrode tab. 1. Field of the Invention The present invention relates to a battery stack in which a plurality of laminar batteries are stacked.2. Description of the Related ArtNon-aqueous electrolyte batteries as typified by lithium ion secondary batteries have high energy density, and therefore they are used as power sources for various moving devices such as automobiles and motorbikes, portable personal digital assistant devices, and uninterruptible power supply (UPS) apparatuses. For such applications, in order ...

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Номер записи: 24
24-10-2013 дата публикации

ELECTRICITY STORAGE DEVICE

Номер: US20130280599A1
Автор: Inoue Kazuhiko, Matsumoto Kazuaki, Noguchi Takehiro
Принадлежит: NEC Corporation

Provided is an electricity storage device that is able to suppress the reaction between an electrolyte contained in an electrolyte solution and a current collector, corrosion of the current collector, deterioration of the electrolyte solution, and reduction in energy capacity, and that has high potential, excellent stability and durability, and is highly reliable. The electricity storage device has a positive electrode having a positive-electrode active material layer on a positive electrode current collector, a negative electrode having a negative-electrode active material layer on a negative electrode current collector, a separator, and an electrolyte solution. The positive electrode current collector and/or the negative electrode current collector has a corrosion suppression film on the surface thereof, and a thickness of the corrosion suppression film is 50 nm or more. 1. An electricity storage device comprising a positive electrode having a positive electrode active material layer on a positive electrode current collector , a negative electrode having a negative electrode active material layer on a negative electrode current collector , a separator , and an electrolyte solution , wherein the positive electrode current collector , or the negative electrode current collector , or both has a corrosion suppression film on the surface thereof , and a thickness of the corrosion suppression film is 50 nm or more.2. The electricity storage device of claim 1 , wherein the corrosion suppression film is a film formed by vapor deposition.3. The electricity storage device of claim 1 , wherein the corrosion suppression film contains lithium fluoride.4. The electricity storage device of claim 1 , wherein the positive electrode current collector claim 1 , or the negative electrode current collector claim 1 , or both contains one or two or more species selected from aluminum claim 1 , nickel claim 1 , chromium claim 1 , stainless claim 1 , copper claim 1 , silver claim 1 , and ...

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Номер записи: 25
31-10-2013 дата публикации

Film covered battery and method for screening same

Номер: US20130284531A1
Автор: Akinori Miura, Masatomo Mizuta, Tetsuya Yakawa, Tsuguhiro Oonuma, Yuko Hayashi
Принадлежит: Automotive Energy Supply Corp, Nissan Motor Co Ltd

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.

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Номер записи: 26
19-12-2013 дата публикации

Rechargeable battery

Номер: US20130337295A1
Автор: Dukjung Kim
Принадлежит: ROBERT BOSCH GMBH, Samsung SDI Co Ltd

A rechargeable battery, including an electrode assembly having a first electrode plate, a second electrode plate, and a separator, a first terminal electrically connected to the first electrode plate, a case accommodating the electrode assembly and the first terminal, and a cap assembly sealing the case. The first terminal includes a first collector plate in the case electrically connected to the first electrode plate of the electrode assembly, a first electrode terminal exposed to a top surface of the cap assembly, the first electrode terminal having a first terminal hole passing through a top and bottom surface of the first electrode terminal, and a first connection terminal having a first side electrically connected to the first electrode terminal and a second side electrically connected to the first collector plate, the first connection terminal having a first fuse hole at the first side.

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Номер записи: 27
23-01-2014 дата публикации

Battery electrode manufacturing apparatus and method thereof

Номер: US20140020240A1
Автор: Hiroshi Yuhara, Manabu Yamashita, Masashi Watanabe
Принадлежит: Nissan Motor Co Ltd

A battery electrode manufacturing apparatus including: a front end die which cuts a strip-shaped electrode material into an electrode shape; a hand which grasps the electrode material and conveys the electrode material to the cutting position of the front end die; and a first suction conveyor which is disposed upstream of the front end die in a conveying direction and has a supporting surface for supporting the electrode material during the cutting by the front end die. The hand includes a first grasper and a second grasper, and the first suction conveyor is disposed between the first grasper and the second grasper. The hand carries the electrode material to the cutting position, at such a position that the electrode material does not contact the front end die and the first suction conveyor.

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Номер записи: 28
30-01-2014 дата публикации

Stacking apparatus and stacking method

Номер: US20140026399A1
Автор: Hiroshi Yuhara, Manabu Yamashita, Takahiro Yanagi
Принадлежит: Nissan Motor Co Ltd

A stacking apparatus having a cylindrical conveyance drum holding and rotating to covey a separator and an electrode conveyance unit conveying a positive electrode in a tangential direction of the conveyance drum so that the positive electrode overlaps the separator. To the outer circumferential surface of the conveyance drum, there are defined a suction area for drawing the separator that is non-rotatably positioned on an upstream side of a rotation direction of the conveyance drum with respect to a location to which the positive electrode in conveyed and a non-suction area for removing the separator that is non-rotatably positioned on a downstream side of the rotation direction of the same. The separator in the suction area is conveyed to the non-suction area, is removed from the outer circumferential surface, and is transferred onto the positive electrode, thereby gradually stacking the separator on the positive electrode.

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Номер записи: 29
30-01-2014 дата публикации

Lamination apparatus and lamination method

Номер: US20140027067A1
Автор: Hiroshi Yuhara, Manabu Yamashita
Принадлежит: Nissan Motor Co Ltd

A lamination, apparatus laminates sheet members including at least one of an electrode and a separator. The lamination apparatus includes a table on which the sheet members are laminated, a clamper that presses an assembled laminate of the sheet members laminated on the table; a clamper drive unit that horizontally-rotates and vertically-moves the clamper, a level adjuster that moves the table downward relative to the clamper according to a lamination progress of the sheet members. After a new sheet member is laminated on the assembled laminate pressed downward by the clamper, the clamper drive unit lifts up the clamper above the new sheet member while rotating the clamper and then moves the clamper downward to press the new sheet member from above. The level adjuster moves the table downward by a stroke corresponding to thickness of the number of laminated sheets of the sheet members included in the assembled laminate.

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Номер записи: 30
06-02-2014 дата публикации

CABLE-TYPE SECONDARY BATTERY

Номер: US20140038014A1
Автор: Kim Je-Young, Kwon Yo-Han, Oh Byung-Hun
Принадлежит: LG CHEM, LTD.

A cable-type secondary battery, includes an electrode assembly including first and second polarity electrodes with a thin and long shape, each electrode having a current collector whose cross-section perpendicular to its longitudinal direction is a circular, asymmetrical oval or polygonal shape, and an electrode active material applied onto the surface of the current collector, and a separator or an electrolyte layer interposed between the first and second polarity electrodes; and a cover member surrounding the electrode assembly. Also, the cable-type secondary battery is provided with a first polarity terminal and a second polarity terminal connected to the first polarity electrode and the second polarity electrode, respectively, at the end of the cable-type secondary battery; and a housing cap configured to fix the first and second polarity terminals and cover the end of the cable-type secondary battery. 1. A cable-type secondary battery , comprising:an electrode assembly including first and second polarity electrodes with a thin and long shape, each electrode having a current collector whose cross-section perpendicular to its longitudinal direction is a circular, asymmetrical oval or polygonal shape, and an electrode active material applied onto the surface of the current collector, and a separator or an electrolyte layer interposed between the first and second polarity electrodes; anda cover member surrounding the electrode assembly,wherein the cable-type secondary battery is provided with a first polarity terminal and a second polarity terminal connected to the first polarity electrode and the second polarity electrode, respectively, at the end of the cable-type secondary battery; and a housing cap configured to fix the first and second polarity terminals and cover the end of the cable-type secondary battery.2. The cable-type secondary battery according to claim 1 , wherein the housing cap includes a coupling unit at the outside thereof.3. The cable-type ...

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Номер записи: 31
06-02-2014 дата публикации

CABLE-TYPE SECONDARY BATTERY

Номер: US20140038015A1
Автор: Kim Je-Young, Kwon Yo-Han
Принадлежит: LG CHEM, LTD.

A cable-type secondary battery, includes an electrode assembly including first and second polarity electrodes with a thin and long shape, each having a current collector whose cross-section perpendicular to its longitudinal direction is a circular, asymmetrical oval or polygonal shape, an electrode active material applied onto the surface of the current collector, and a separator or an electrolyte layer interposed between the electrodes; and a cover member surrounding the electrode assembly, wherein the cable-type secondary battery is provided with a first polarity terminal and a second polarity terminal connected to the first polarity electrode and the second polarity electrode, respectively, at the first end of the cable-type secondary battery; a housing cap configured to fix the first and second polarity terminals and cover the first end of the cable-type secondary battery; and a length-adjustable coupling unit at a second end of the cable-type secondary battery. 1. A cable-type secondary battery , comprising:an electrode assembly including first and second polarity electrodes with a thin and long shape, each electrode having a current collector whose cross-section perpendicular to its longitudinal direction is a circular, asymmetrical oval or polygonal shape, and an electrode active material applied onto the surface of the current collector, and a separator or an electrolyte layer interposed between the first and second polarity electrodes; anda cover member surrounding the electrode assembly,wherein the cable-type secondary battery is provided with a first polarity terminal and a second polarity terminal connected to the first polarity electrode and the second polarity electrode, respectively, at the first end of the cable-type secondary battery; a housing cap configured to fix the first and second polarity terminals and cover the first end of the cable-type secondary battery; and a length-adjustable coupling unit at a second end of the cable-type secondary ...

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Номер записи: 32
13-02-2014 дата публикации

METHOD FOR FORMING AN ELECTROCHEMICAL CELL, AN ELECTROCHEMICAL CELL AND BATTERY

Номер: US20140045030A1
Автор: Mickel Magnus, Schaefer Tim, Stiebert Iris, Wohnig Markus
Принадлежит: LI-TEC BATTERY GMBH

A method for forming an electrochemical cell comprising a first connector and a second connector for a battery preferably designed for use in motor vehicles which employs a forming unit comprising a first contact element and a second contact element, wherein the first connector comprises a first formation contact section designed to be disconnectable and the second connector comprises a second formation contact section designed to be disconnectable, comprising the steps of: (S) pressing the first contact element of the forming unit against the first formation contact section of the first connector, (S) pressing the second contact element of the forming unit against the second formation contact section of the second connector, (S) implementing a forming treatment, (S) separating the first formation contact section from the first connector, and (S) separating the second formation contact section from the second connector. 113-. (canceled)14. A method for forming an electrochemical cell comprising a first connector and a second connector for a battery preferably designed for use in motor vehicles which employs a forming unit comprising a first contact element and a second contact element , wherein the first connector comprises a first formation contact section designed so as to be disconnectable and the second connector comprises a second formation contact section designed so as to be disconnectable , the method comprising:{'b': '1', 'i': 'a', '(S) pressing the first contact element of the forming unit against the first formation contact section of the first connector;'}{'b': '1', 'i': 'b', '(S) pressing the second contact element of the forming unit against the second formation contact section of the second connector;'}{'b': '5', '(S) implementing a forming treatment;'}{'b': '6', 'i': 'a', '(S) separating the first formation contact section from the first connector; and'}{'b': '6', 'i': 'b', '(S) separating the second formation contact section from the second ...

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Номер записи: 33
13-02-2014 дата публикации

Converter cell comprising a cell housing, a battery with at least two such converter cells and a method of manufacturing a converter cell

Номер: US20140045036A1
Автор: Tim Schaefer
Принадлежит: Li Tec Battery GmbH

A converter cell ( 1 ) comprising at least one particularly rechargeable electrode assembly ( 2 ) provided to at least intermittently supply electrical energy, particularly to a load, which exhibits at least two electrodes ( 3, 3 a ) of different polarity, comprising at least one current conducting device ( 4, 4 a ) provided to electrically connect, preferably materially, to one of the electrodes ( 3, 3 a ) of the electrode assembly ( 2 ), having a cell housing ( 5 ) comprising a first housing part ( 6 ), wherein the first housing part ( 6 ) is provided to enclose at least areas of the electrode assembly ( 2 ).

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Номер записи: 34
13-02-2014 дата публикации

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Номер: US20140045043A1
Автор: Fujihara Toyoki, Minami Keisuke, Nohma Toshiyuki, Nonaka Taiki, Yoshida Toshikazu
Принадлежит: SANYO ELECTRIC CO., LTD.

A nonaqueous electrolyte secondary battery according to an embodiment of the present invention includes an electrode assembly and a nonaqueous electrolyte. The electrode assembly includes a positive electrode, a negative electrode, and a separator. The negative electrode is opposed to the positive electrode. The separator is disposed between the positive electrode and the negative electrode. The capacity of the battery is not less than 21 Ah. The negative electrode is provided on the outer periphery side of the electrode assembly. The nonaqueous electrolyte contains lithium difluorophosphate. 1. A nonaqueous electrolyte secondary battery , comprising:an electrode assembly including a positive electrode, a negative electrode opposed to the positive electrode, and a separator disposed between the positive electrode and the negative electrode; anda nonaqueous electrolyte,the capacity of the battery being not less than 21 Ah,the negative electrode being provided on the outer periphery side of the electrode assembly, andthe nonaqueous electrolyte containing lithium difluorophosphate.2. The nonaqueous electrolyte secondary battery according to claim 1 , further comprising:a container that houses the electrode assembly and the nonaqueous electrolyte and is of a flattened shape.3. The nonaqueous electrolyte secondary battery according to claim 1 , wherein the nonaqueous electrolyte further contains lithium bis(oxalato)borate (LiBOB).4. The nonaqueous electrolyte secondary battery according to claim 2 , wherein the nonaqueous electrolyte further contains lithium bis(oxalato)borate (LiBOB).5. The nonaqueous electrolyte secondary battery according to claim 1 , wherein the content of the lithium difluorophosphate in the nonaqueous electrolyte is not less than 0.01 mol/L.6. The nonaqueous electrolyte secondary battery according to claim 2 , wherein the content of the lithium difluorophosphate in the nonaqueous electrolyte is not less than 0.01 mol/L.7. The nonaqueous electrolyte ...

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Номер записи: 35
06-03-2014 дата публикации

SOLID STATE BATTERY FABRICATION

Номер: US20140060723A1
Автор: Gordon, HERLE Subramanya P., II Joseph G.
Принадлежит:

Embodiments of the invention generally relate to solid state battery structures, such as Li-ion batteries, methods of fabrication and tools for fabricating the batteries. One or more electrodes and the separator may each be cast using a green tape approach wherein a mixture of active material, conductive additive, polymer binder and/or solid electrolyte are molded or extruded in a roll to roll or segmented sheet/disk process to make green tape, green disks or green sheets. A method of fabricating a solid state battery may include: preparing and/or providing a green sheet of positive electrode material; preparing and/or providing a green sheet of separator material; laminating together the green sheet of positive electrode material and the green sheet of separator material to form a laminated green stack; and sintering the laminated green stack to form a sintered stack comprising a positive electrode and a separator. 1. A method of fabricating a solid state battery comprising:providing a green sheet of positive electrode material;providing a green sheet of separator material;laminating together said green sheet of positive electrode material and said green sheet of separator material to form a laminated green stack; andsintering said laminated green stack to form a sintered stack, said sintered stack comprising a positive electrode and a separator.2. The method as in claim 1 , wherein said green sheet of positive electrode material comprises:{'sub': '2', 'a Li(Mn,Co,Ni)Omaterial; and'}a binding polymer.3. The method as in claim 2 , wherein said green sheet of positive electrode material further comprises an electronic conductive additive.4. The method as in claim 1 , wherein said green sheet of separator material comprises:a pure ion conductor material; anda polymer binder.5. The method as in claim 4 , wherein said pure ion conductor material is LiLaZrTaOand 0≦x≦1.6. The method as in claim 1 , further comprising:providing a green sheet of negative electrode material; ...

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Номер записи: 36
13-03-2014 дата публикации

Method for manufacturing an electrode

Номер: US20140072867A1
Автор: Claus-Rupert Hohenthanner, Hubert Vonderhagen, Lothar Thommes, Steffen Legner
Принадлежит: Li Tec Battery GmbH

An electrode ( 1 ) for an electrochemical energy storage apparatus has a contour ( 2 ) exhibiting two side edges, wherein a first side edge ( 3 ) and a second side edge ( 4 ) are interconnected by a connecting section ( 5 ). The connecting section ( 5 ) comprises a substantially linear region ( 5 a ) which transitions into the first side edge ( 3 ), and a substantially curved region ( 5 b ) which transitions into the second side edge ( 4 ). When manufacturing such an electrode the first side edge ( 3 ) is created by a first cut, the second side edge ( 4 ) is created by a second cut, and the connecting section ( 5 ) is created along with the first cut or the second cut.

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Номер записи: 37
27-03-2014 дата публикации

Electric storage element

Номер: US20140087223A1
Автор: Keita HAMAKAWA, Noriyoshi Munenaga, Satoru Kawakami, Tomoko Nishikawa
Принадлежит: Lithium Energy Japan KK

A battery includes positive and negative external terminals having exposed portions exposed from a casing to the outside, positive and negative current collectors connected to the external terminals, and electrode assemblies having positive and negative electrodes and a separator. The positive and negative electrodes are wound with the separator being interposed so as to have positions shifted to opposite sides in a width direction to the separator. Formed in the casing is a narrowly elongated gap extending between the positive current collector side and the negative current collector side. The positive electrode side of the gap is closed by a closure member. A foreign material is prevented from moving without decreasing an electric capacity of the battery and deteriorating injection property of an electrolytic solution.

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Номер записи: 38
10-04-2014 дата публикации

Electrode assembly having stepped portion, as well as battery cell, battery pack, and device including the electrode assembly

Номер: US20140099525A1
Автор: Dong-myung Kim, Ki-Woong Kim, Seung-Min Ryu, Soon-Ho Ahn, Sung-Han Yoon, Sung-Jin Kwon, Young-Hoon Kim
Принадлежит: LG Chem Ltd

There is provided an electrode assembly. The electrode assembly includes a stack of unit cells respectively including at least one negative electrode and at least one positive electrode, alternately stacked, wherein at least one separator is placed on each of both sides of the electrodes, and at least one of the unit cells has an area different from that of an adjacent unit cell to form at least one stepped portion on the electrode assembly. In addition, there are also provided a battery cell, a battery pack, and a device that include the electrode assembly.

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Номер записи: 39
06-01-2022 дата публикации

BATTERY, ELECTRIC APPARATUS, AND CELL INSTALLATION METHOD

Номер: US20220006115A1
Автор: CHEN Jun
Принадлежит:

Embodiments of the application disclose a battery. A first current collector in the battery is brought into a contact with a battery housing, so that a part of heat generated by a cell can be directly conducted to the battery housing through the first current collector. The battery includes a battery housing, a first current collector, a separator, and a second current collector. The first current collector, the separator, and the second current collector are stacked and disposed inside the battery housing. The polarities of the first current collector and the second current collector are different. The first current collector is in contact with the battery housing. 1. A battery , comprising:a battery housing;a first current collector;a separator; and asecond current collector; wherein the first current collector, the separator, and the second current collector are stacked and disposed inside the battery housing, wherein polarities of the first current collector and the second current collector are different, and wherein the first current collector is in a contact with the battery housing.2. The battery according to claim 1 , wherein the first current collector claim 1 , the separator claim 1 , and the second current collector are stacked in a first direction claim 1 , and the first current collector extends in a second direction beyond the separator claim 1 , and the first current collector conducts claim 1 , in the second direction claim 1 , heat to the battery housing through the contact between the first current collector and the battery housing claim 1 , wherein the second direction is perpendicular to the first direction.3. The battery according to claim 2 , wherein the first current collector is coated with an active substance claim 2 , and a coating range of the active substance on the first current collector does not extend in the second direction beyond the separator.4. The battery according to claim 1 , wherein the first current collector claim 1 , the ...

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Номер записи: 40
01-01-2015 дата публикации

Separatorless storage battery

Номер: US20150004452A1
Автор: John Dilleen
Принадлежит: ENERGY DIAGNOSTICS Ltd

There is herein described energy storage batteries and methods of manufacturing said energy storage batteries. More particularly, there is described energy storage batteries comprising a laminar configuration and co-planar and co-parallel anodes and cathodes and methods of manufacturing said energy storage batteries.

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Номер записи: 41
05-01-2017 дата публикации

LAMINATED-TYPE BATTERY AND METHOD FOR MANUFACTURING THE SAME

Номер: US20170005318A1
Автор: OTOHATA Makihiro
Принадлежит: NEC Corporation

There is provided a laminated-type battery prevented from short-circuit between a positive electrode and a negative electrode, suppressed in a local increase in the thickness of the battery, and high in electric properties and the reliability. The laminated-type battery includes a battery element having at least two sheets of first-polarity electrodes each laminated with a second-polarity electrode with a separator therebetween, wherein the first-polarity electrode includes an electrode section having an active material layer formed on a current collector, a lead section having no active material layer formed on the current collector, and an insulating layer disposed over from the active material layer to an active material layer-non-formed region on a boundary region of the electrode section and the lead section, wherein the insulating layer of the one first-polarity electrode and the insulating layer of the another first-polarity electrode are formed at least partly on different positions as viewed in the lamination direction. 1. A laminated-type battery , comprising a battery element having at least two sheets of first-polarity electrodes each laminated with a second-polarity electrode with a separator therebetween ,wherein the first-polarity electrode comprises: an electrode section having an active material layer formed on a current collector; a lead section having no active material layer formed on the current collector; and an insulating layer disposed over from the active material layer to an active material layer-non-formed region on a boundary region of the electrode section and the lead section,wherein the insulating layer of the one first-polarity electrode and the insulating layer of the another first-polarity electrode are formed at least partly on different positions as viewed in the lamination direction.2. The laminated-type battery according to claim 1 , wherein in the first-polarity electrodes claim 1 , a superposed width of regions where the ...

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Номер записи: 42
13-01-2022 дата публикации

VEHICULAR BATTERY PACK AND VEHICLE INCLUDING THE SAME

Номер: US20220013758A1
Автор: KANG Hyun Chang
Принадлежит:

A vehicular battery pack includes: a case having an internal space to accommodate a battery cell therein, an inlet to introduce air into the internal space of the case, an outlet to discharge air from the internal space of the case, and an expandable foam member disposed in at least a portion of each of the inlet and the outlet. 1. A vehicular battery pack , comprising:a case forming an internal space to accommodate a battery cell therein;an inlet configured to introduce air into the internal space of the case;an outlet configured to discharge air from the internal space of the case; andan expandable foam member disposed in at least a portion of each of the inlet and the outlet,wherein, when a temperature of the internal space becomes equal to or higher than a preset temperature, the expandable foam member is configured to expand and interrupt introduction of air through at least a portion of each of the inlet and the outlet.2. The vehicular battery pack of claim 1 , wherein the inlet is implemented in a form of a duct that is open in a direction for introducing air.3. The vehicular battery pack of claim 2 , wherein the duct is configured to introduce air from an interior of a vehicle to the internal space of the case.4. The vehicular battery pack of claim 1 , wherein the outlet is implemented in a form of a connection pipe connecting the internal space to a component provided outside the case.5. The vehicular battery pack of claim 1 , further comprising:a fan connected to the outlet and configured to suction air from the outlet.6. The vehicular battery pack of claim 5 , wherein the fan is configured to discharge the suctioned air to an air discharge structure connected to another ventilation structure of a vehicle.7. A vehicle claim 5 , comprising:a battery pack installed below a seat provided in an interior of the vehicle, a case having an internal space to accommodate a battery cell therein;', 'an inlet configured to introduce air into the internal space of the ...

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Номер записи: 43
13-01-2022 дата публикации

Energy Storage Cell, Production Method and Apparatus for Carrying Out Such a Method

Номер: US20220013804A1
Автор: DAUB Ruediger, Fuchs Franz, LUX Simon, PILLER Christoph, Yoo Seokyoon
Принадлежит:

A method for producing an electrochemical energy storage cell is provided. A current conductor, which is configured for electrically connecting an electrode stack to a cell terminal and has a contact arm, is positioned relative to the electrode stack such that an edge of the contact arm abuts a first lateral surface of a conductor arrangement that projects out of the electrode stack. The conductor arrangement is bent around the edge of the contact arm such that the first lateral surface of the conductor arrangement rests at least in part on a first contact arm lateral surface. The contact arm is supported on a second contact arm lateral surface opposite the first contact arm lateral surface. A contact pressure is exerted on the conductor arrangement resting at least in part on the first contact arm lateral surface, and the conductor arrangement is connected to the current conductor. 111-. (canceled)12. A method for producing electrochemical energy storage cells , the method comprising:a positioning step in which a current conductor, which is adapted for electrical connection of an electrode stack to a cell terminal and comprises a contact arm, is positioned relative to the electrode stack such that an edge of the contact arm bears on a first side face of a conductor arrangement of the electrode stack, wherein the conductor arrangement protrudes from the electrode stack;a bending step in which the conductor arrangement is bent around the edge of the contact arm such that the first side face of the conductor arrangement bears at least in sections on a first contact arm side face;a supporting step in which the contact arm is supported on a second contact arm side face lying opposite the first contact arm side face;a pressing step in which a pressing force is exerted on the conductor arrangement bearing at least in sections on the first contact arm side face; anda connecting step in which the conductor arrangement is connected to the current conductor.13. The method ...

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Номер записи: 44
07-01-2016 дата публикации

Battery

Номер: US20160006013A1
Автор: Gaowu WANG, Hongjuan Gu, Jianhua Zhu, Luxia Jiang, Shichao Hu, Xi Shen
Принадлежит: BYD Co Ltd

A battery includes a shell, a core and a protection component received in the shell. The core includes a first electrode tab connected to a first current collector and a second electrode tab connected to a second current collector of the core. The protection component includes two insulating layers and a conducting layer disposed between two insulating layers. The conducting layer defines a first end electrically connected to the first electrode tab and a second end configured as a free end, and an outmost current collector of the core is configured by the second current collector.

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Номер записи: 45
04-01-2018 дата публикации

Electrode plate and secondary battery

Номер: US20180006322A1
Автор: Hisayuki Utsumi, Isao Asako, Motoaki Nishijima, Naoto Nishimura, Satoshi Arima, Shumpei Nishinaka, Takahiro Matsuyama
Принадлежит: Sharp Corp

In a secondary battery including a large-sized electrode group including stacked positive and negative electrode plates, an electrode plate in which failures such as the separation and cracking of an active material layer and the abrasion and cracking of a current collector are unlikely to occur is provided. An electrode plate 21 includes a coated region CR where active material layers 21 a are formed and an uncoated region NC where no active material layer is formed and has a configuration in which a boundary section between the coated region and the uncoated region is provided with a first buffer region C 2 having a non-linear irregular shape in plan view.

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Номер записи: 46
07-01-2021 дата публикации

Apparatus and method for manufacturing laminate for secondary battery

Номер: US20210005920A1
Автор: Hiroshi Omori, Narumi Suzuki
Принадлежит: Zeon Corp

A manufacturing apparatus 100 includes a protruding portion molding member disposition mechanism 90, a tension damper 70, as well as an acceleration device 80, a metal roller 30 and a rubber roller 40, and a cutting mechanism 50 which serve as a laminating mechanism. A separator web 20 and an electrode web 10 are joined having the protruding portion molding member 35 interposed therebetween while the separator web 20 is bent at the portion where the protruding portion molding member 35 has been disposed, to laminate the separator web 20 and the electrode web 10.

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Номер записи: 47
02-01-2020 дата публикации

Aqueous polysulfide-based electrochemical cell

Номер: US20200006796A1
Автор: Eric Weber, Jessa SILVER, Katelyn RIPLEY, Liang Su, Lucas COHEN, Marco Ferrara, Mateo Cristian JARAMILLO, Theodore Alan WILEY, Wei Xie, William Henry Woodford, Yet-Ming Chiang
Принадлежит: C/o Form Energy Inc

An electrochemical cell and battery system including cells, each cell including a catholyte, an anolyte, and a separator disposed between the catholyte and anolyte and that is permeable to the at least one ionic species (for example, a metal cation or the hydroxide ion). The catholyte solution includes a ferricyanide, permanganate, manganate, sulfur, and/or polysulfide compound, and the anolyte includes a sulfide and/or polysulfide compound. These electrochemical couples may be embodied in various physical architectures, including static (non-flowing) architectures or in flow battery (flowing) architectures.

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Номер записи: 48
02-01-2020 дата публикации

Battery module

Номер: US20200006823A1
Автор: Gyu Jin CHUNG, Ju Yong Park, Sun Mo An
Принадлежит: SK Innovation Co Ltd

A battery module includes: a plurality of battery cells; a first plate supporting lower surfaces of the battery cells and dissipating heat generated in the battery cells; and a second plate being in contact with upper sides of the battery cells and dissipating heat generated in the battery cells, wherein the second plate includes accommodation grooves to receive sealing portions of the battery cells, and a heat transfer material is disposed in the accommodation grooves.

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Номер записи: 49
09-01-2020 дата публикации

Composite Panel Power System

Номер: US20200010035A1
Автор: Macaraeg Sesinando Prado
Принадлежит:

An embodiment of the present disclosure provides a method and apparatus for supplying an electrical current. The method comprises sending the electrical current into a device from a panel comprising a dielectric core. Further, the method comprises a first sheet with a first conductive adhesive attaching the first sheet to a first side of the dielectric core, wherein the first conductive adhesive is a first electrode for a battery. Yet further, the method comprises a second sheet with a second conductive adhesive attaching the second sheet to a second side of the dielectric core, wherein the second conductive adhesive is a second electrode for the battery. Still further, the method comprises operating the device using the electrical current from the battery in the panel. 1. A panel containing an integrated battery , comprising:a dielectric core;a first sheet;a first conductive adhesive attaching the first sheet to a first side of the dielectric core, wherein the first conductive adhesive is a first electrode for the battery;a second sheet;a second conductive adhesive attaching the second sheet to a second side of the dielectric core, wherein the second conductive adhesive is a second electrode for the battery;wherein the dielectric core, the first sheet, and the second sheet form the panel; andwherein the panel comprises a structural component of a part.2. The panel containing the integrated battery of claim 1 , wherein the part comprises a part of an aircraft.3. The panel containing the integrated battery of claim 1 , wherein the part is selected from one of an interior wall claim 1 , a ceiling claim 1 , an overhead stowage bin claim 1 , a door claim 1 , a closet claim 1 , a sidewall claim 1 , a partition claim 1 , and a floor.4. The panel containing the integrated battery of claim 1 , wherein the first sheet and the second sheet comprise a number of layers of a composite material.5. The panel containing the integrated battery of claim 1 , wherein the second sheet ...

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Номер записи: 50
15-01-2015 дата публикации

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

Номер: US20150013151A1
Автор: Hyun Chul Jung, Ki Woong Kim, Kyoung Won Kang, Sungjin Kwon
Принадлежит: LG Chem Ltd

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

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Номер записи: 51
12-01-2017 дата публикации

ELECTRICITY STORAGE MODULE

Номер: US20170012258A1
Автор: Hiramitsu Hiroomi, SHIMIZU Hiroshi
Принадлежит:

An electricity storage module (M1) includes an electricity storage element group () formed by laminating a plurality of electricity storage elements () each including a positive-electrode and a negative-electrode lead terminals (A, B) projecting in an outward direction from one side edge and a container () made of a laminate film and configured to accommodate an electricity storage part connected to the lead terminals (A, B), connecting members (A, B) for connecting the lead terminals (A, B) of the electricity storage elements () adjacent in a lamination direction, and holding members () each including a connecting member holding portion () for holding the connecting member (A, B) and mounted on one side edge of the electricity storage element (). 1. An electricity storage module , comprising:an electricity storage element group formed by laminating a plurality of electricity storage elements each including a positive-electrode and a negative-electrode lead terminals projecting in an outward direction from one side edge and a container made of a laminate film and configured to accommodate an electricity storage part connected to the lead terminals;connecting members to be respectively connected to the lead terminals of the electricity storage elements adjacent in a lamination direction; andholding members each including a connecting member holding portion for holding the connecting member and mounted on one side edge of the electricity storage element,wherein:the connecting member includes two plate-like terminal connecting portions arranged at a distance in the lamination direction; anda part of the lead terminal to be connected to the connecting member has the same shape as each plate-like terminal connecting portion in a plan view.2. An electricity storage module according to claim 1 , wherein a part of the connecting member to be held in contact with the lead terminal is made of the same material as the lead terminal. . Field of the InventionThe present ...

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Номер записи: 52
12-01-2017 дата публикации

BATTERY MODULE

Номер: US20170012315A1
Автор: KAYANO Shigeki, SUZUKI Yui
Принадлежит:

A battery module has at least one individual cell and a housing. The individual cell has a power generating element with positive and negative electrodes stacked with a separator therebetween and sealed by a cladding material. The housing has a pair of cases that sandwiches the cell from opposite sides and a plate shaped reinforcing member joined to and reinforcing one of the cases. One of the cases has a bulging portion, a first extension portion, an inclined portion and a second extension portion. The bulging portion protrudes toward and presses the cell. The first extension portion extends transversely from the bulging portion with respect to the stacking direction. The inclined portion extends from the first extension portion while sloping toward the cell. The second extension portion extends transversely from the inclined portion with respect to the stacking direction. The second extension portion is joined to the reinforcing member. 1. A battery module comprising:an individual cell configured with a power generating element having a positive electrode and a negative electrode stacked with a separator therebetween and sealed by a cladding material; anda housing including a pair of cases that sandwich the individual cell from two sides in a stacking direction and a reinforcing member having a plate shape that is joined to and reinforces one of the cases, a bulging portion curving and protruding toward the individual cell, and pressing the individual cell,', 'a first extension portion extending from an outer periphery of the bulging portion in a transverse direction with respect to the stacking direction,', 'an inclined portion extending from an outer periphery of the first extension portion while sloping toward the individual cell, and', 'a second extension portion extending from an outer periphery of the inclined portion along a transverse direction with respect to the stacking direction, the second extension portion being joined to the reinforcing member., 'at ...

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Номер записи: 53
11-01-2018 дата публикации

Battery package, assembled battery, and battery device

Номер: US20180013102A1
Автор: Hirokazu Iizuka
Принадлежит: Fujimori Kogyo Co Ltd

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

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Номер записи: 54
14-01-2016 дата публикации

Rechargeable copper-zinc cell

Номер: US20160013485A1
Автор: Darron Rolfe BRACKENBURY, Michael David Hurwitz
Принадлежит: CUMULUS ENERGY STORAGE Ltd

A rechargeable cell comprising h combination a bipolar electrode, a zinc electrolyte, a copper electrolyte and metal-ion impermeable, polymer electrochemical membrane separator, wherein the zinc electrolyte and the copper electrolyte are separated from each other by the bipolar electrode on one side and by the membrane separator on the other side. A battery comprising at least one said rechargeable cell.

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Номер записи: 55
11-01-2018 дата публикации

SECONDARY BATTERY

Номер: US20180013121A1
Автор: HUR Sangdo
Принадлежит:

A secondary battery includes a battery cell, a protection circuit module electrically connected to the battery cell, a top case covering the protection circuit module, and a bottom case covering a bottom surface of the battery cell. The bottom case includes a pull tab protruding to an outside of the bottom case. 1. A secondary battery , comprising:a battery cell;a protection circuit module electrically connected to the battery cell;a top case covering the protection circuit module; anda bottom case covering a bottom surface of the battery cell,wherein the bottom case includes a pull tab protruding to an outside of the bottom case.2. The secondary battery as claimed in claim 1 , wherein the bottom case further includes a pair of adhered parts extending a predetermined length from opposite long side regions in a vertical direction with respect to a bottom surface of the bottom case claim 1 , the pair of adhered parts being asymmetrical with each other.3. The secondary battery as claimed in claim 2 , wherein a zig groove is located in one adhered part of the pair of adhered parts.4. The secondary battery as claimed in claim 3 , wherein the zig groove located in the one adhered part is a semicircular groove that extends from a first end of the adhered part toward the bottom surface of the bottom case.5. The secondary battery as claimed in claim 1 , wherein:the bottom case includes a penetration groove located at a center of a bottom surface of the bottom case,the pull tab protrudes from an inside to the outside of the bottom case while passing through the penetration groove,a first end of the pull tab is outside of the bottom case, anda second end of the pull tab is inside the bottom case and is adhered to a first region of an upper surface of the bottom portion of the bottom case.6. The secondary battery as claimed in claim 5 , wherein the upper surface of the bottom portion of the bottom case has a stepped part of a predetermined depth such that a first region of the ...

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Номер записи: 56
14-01-2016 дата публикации

BUBBLE BATTERY SYSTEM

Номер: US20160013510A1
Автор: Powell Patrick
Принадлежит:

A battery system includes a plurality of rechargeable micro-batteries, fluid media, a battery media tank, a power extractor, and an electric load. The micro-batteries are immersed in the fluid media. The tank stores the fluid media and the micro-batteries. The power extractor is fluidly connected to the tank and extracts electric power charged inside the micro-batteries while the fluid media and the micro-batteries flow through the power extractor. The electric load is electrically connected to the power extractor and powered by the electric power extracted by the power extractor. 1. A bubble battery system comprising:a plurality of micro-batteries storing electric power;fluid media immersing the plurality of micro-batteries;a tank storing the fluid media and the plurality of micro-batteries;a power extractor fluidly connected to the tank and extracting the electric power that is stored in the plurality of micro-batteries while the fluid media and the plurality of micro-batteries flow through the power extractor; andan electric load electrically connected to the power extractor and powered by the electric power extracted by the power extractor.2. The bubble battery system according to claim 1 , further comprising:a first power transfer disposed in each of the plurality of micro-batteries and transferring the electric power stored in each of the plurality of micro-batteries; anda second power transfer disposed on the power extractor and receiving the electric power transferred from each of the plurality of micro-batteries by the first power transfer.3. The bubble battery system according to claim 2 , wherein the plurality of micro-batteries is rechargeable.4. The bubble battery system according to claim 3 , further comprising:an external power source electrically connected to the second power transfer and providing external electric power, whereinthe second power transfer transfers the external electric power supplied from the external power source, andthe first ...

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Номер записи: 57
10-01-2019 дата публикации

STACK-TYPE BATTERY

Номер: US20190013507A1
Автор: Ito Daisuke, Maeda Hitoshi, Shinyashiki Yoshitaka, TAKEDA Katsutoshi
Принадлежит: Panasonic Intellectual Property Management Co., Ltd.

A stack-type battery includes a casing, a stacked electrode assembly housed in the casing, and a terminal to which leads extending from single-plate cells of the stacked electrode assembly are connected. The stacked electrode assembly is divided into first and second electrode assembly blocks in a stacking direction. The terminal includes a first inner terminal portion to which the leads of the first electrode assembly block are connected, a second inner terminal portion to which the leads of the second electrode assembly block are connected, and an outer terminal portion continuous with base ends of the first and second inner terminal portions and extending outside the casing. The terminal has a T-shaped side profile. 1. A stack-type battery comprising:a casing;a stacked electrode assembly housed in the casing and comprising a plurality of stacked single-plate cells, each comprising positive and negative electrodes stacked with a separator therebetween;a positive terminal to which positive leads extending from the positive electrodes of the single-plate cells forming the stacked electrode assembly are connected; anda negative terminal to which negative leads extending from the negative electrodes of the single-plate cells forming the stacked electrode assembly are connected,wherein the stacked electrode assembly is divided into first and second electrode assembly blocks in a stacking direction, andwherein at least one of the positive and negative terminals comprises a first inner terminal portion to which the leads of the first electrode assembly block are connected, a second inner terminal portion to which the leads of the second electrode assembly block are connected, and an outer terminal portion continuous with base ends of the first and second inner terminal portions and extending outside the casing, the at least one of the positive and negative terminals having a T-shaped side profile formed by the first and second inner terminal portions and the outer ...

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Номер записи: 58
14-01-2021 дата публикации

Electrode Assemby And Radical Unit For The Same

Номер: US20210013476A1
Автор: Lee Hyang Mok, PARK Ji Won, You Seung Jae
Принадлежит: LG CHEM, LTD.

According to the present disclosure, there is provided an electrode assembly comprising (a) a structure in which one kind of radical unit is repeatedly disposed, the one kind of radical unit having a same number of electrodes and separators which are alternately disposed and integrally combined, or (b) a structure in which at least two kinds of radical units are disposed in a predetermined order, the at least two kinds of radical units each having a same number of electrodes and separators which are alternately disposed and integrally combined. 1. An electrode assembly , comprising:a cell stack part comprising (a) a structure in which one kind of radical unit is repeatedly disposed, the one kind of radical unit having a same number of electrodes and separators which are alternately disposed and integrally combined, or (b) a structure in which at least two kinds of radical units are disposed in a predetermined order, the at least two kinds of radical units each having a same number of electrodes and separators which are alternately disposed and integrally combined,wherein edges of adjacent separators are not joined with each other,wherein the one kind of radical unit of (a) has a four-layered structure in which a first electrode, a first separator, a second electrode and a second separator are sequentially stacked together or a repeating structure in which the four-layered structure is repeatedly stacked,wherein each of the at least two kinds of radical units of (b) are stacked by ones in the predetermined order to form the four-layered structure or the repeating structure in which the four-layered structure is repeatedly stacked,wherein the separators include a coating layer that is adhesive,wherein attachment between an electrode and a separator is provided by applying pressure to the electrode and an adjacent separator with laminators or by applying pressure and heat to the electrode and the adjacent separator with the laminators to adhere the electrode and the ...

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Номер записи: 59
15-01-2015 дата публикации

Power storage apparatus and vehicle with power storage apparatus mounted thereon

Номер: US20150017517A1
Автор: Atsushi MINAGATA
Принадлежит: Toyota Industries Corp

A power storage device includes an electrode assembly formed by stacking a positive electrode sheet, a negative electrode sheet, and a sheet-like separator arranged between the positive and negative electrode sheets. The positive electrode sheet includes a positive electrode thin metal plate, which includes a first positive electrode edge and a second positive electrode edge. A surface of the positive electrode sheet includes a positive electrode application region and a positive electrode non-application region. The negative electrode sheet includes a negative electrode thin metal plate including a first negative electrode edge and a second negative electrode edge. A positive electrode border, which is a border between the positive electrode application region and the positive electrode non-application region, is located between the first positive electrode edge and the second positive electrode edge. The positive electrode border is located between the first negative electrode edge and the second negative electrode edge.

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Номер записи: 60
15-01-2015 дата публикации

BIPOLAR ELECTRODE AND BIPOLAR LITHIUM-ION SECONDARY BATTERY USING SAME

Номер: US20150017522A1
Автор: Aoyagi Masanori, Miyatake Kazuki, Shimoida Yoshio
Принадлежит:

A bipolar electrode includes a collector; a positive electrode active material layer disposed on one surface of the collector; and a negative electrode active material layer disposed on the other surface of the collector. The quotient of the volume resistance of the collector and that of the positive and negative electrode active material layers is between 10and 10. The bipolar electrode further includes a current distribution relaxation layer having a volume resistivity lower than that of either the positive electrode active material layer or the negative electrode active material layer. At least one active material layer having a volume resistivity larger than that of the current distribution relaxation layer is disposed between the current distribution relaxation layer and the collector. 1. A bipolar electrode comprising:a collector;a positive electrode active material layer disposed on one surface of the collector;{'sup': −3', '4, 'a negative electrode active material layer disposed on another surface of the collector, wherein a quotient of a volume resistance of the collector and that of the positive and negative electrode active material layers is between 10and 10; and'}a current distribution relaxation layer having a volume resistivity lower than that of either the positive electrode active material layer or the negative electrode active material layer,wherein at least one active material layer having a volume resistivity larger than that of the current distribution relaxation layer is disposed between the current distribution relaxation layer and the collector.2. A bipolar electrode as claimed in claim 1 , wherein the collector is a resinous collector having an electrical conductivity.3. A bipolar electrode as claimed in claim 1 , wherein the current distribution relaxation layer is disposed at a surface of the bipolar electrode.4. A bipolar electrode as claimed in claim 1 , wherein the bipolar electrode includes the current distribution relaxation layer at ...

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Номер записи: 61
21-01-2016 дата публикации

BIOPOLAR BATTERY, MANUFACTURING METHOD THEREOF AND VEHICLE

Номер: US20160020481A1
Автор: HE Guangli, Ren Yu, WANG Francis, WANG Guowen, XUE Simon
Принадлежит: National Institute of Clean-and-Low-Carbon Energy

A bipolar battery, a manufacturing method thereof and a vehicle comprising the bipolar battery. The bipolar battery comprises a case comprising a first half case and a second half case; at least one bipolar plate with periphery sealed and sandwiched between the first half case and the second half case; and at least two electrical cores located at opposite two sides of the bipolar plate, respectively. With using the case made of flexible packaging material and sealing the peripheries of the bipolar plate collector and the case by sticking, it is easy to assemble and maintain the bipolar battery.

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Номер записи: 62
21-01-2016 дата публикации

BIPOLAR LI-ION BATTERY WITH IMPROVED LEAKTIGHTNESS AND ASSOCIATED METHOD OF PRODUCTION

Номер: US20160020482A1
Автор: Damlencourt Jean-Francois, Moreau Gilles
Принадлежит: Commissariat A L'Energie Atomique Et Aux Energies Alternatives

The present invention relates to a bipolar battery with at least two electrochemical cells stacked one above the other, each collector comprising at its periphery at least one bead of an electrical insulating material also constituting a peripheral zone of the electrolyte-leaktight wall. According to the invention, each leaktight wall is constituted of at least one bead consisting of a honeycomb matrix, the matrix being covered, on each of its two main faces, with a layer or leaf made of heat-sealing and electrically insulating material, each layer or leaf being heat-sealed to one of the current collectors, the heat-sealing and electrically insulating material filling at least partly the cells of the honeycomb while interconnecting the two layers or leafs.

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Номер записи: 63
19-01-2017 дата публикации

RECHARGEABLE BATTERY AND RECHARGEABLE BATTERY MODULE USING THE SAME

Номер: US20170018794A1
Автор: Byun Sang-Won, Jang Myung-jae, LEE Chi-Young
Принадлежит:

A rechargeable battery includes an electrode assembly including a first electrode and a second electrode; a case receiving the electrode assembly; a cap plate coupled to the case and defining a terminal hole; a first electrode terminal at the cap plate; a second electrode terminal at the cap plate; a first current collecting tab electrically connecting the electrode assembly to the first electrode terminal; and a second current collecting tab electrically connecting the electrode assembly to the second electrode terminal, wherein at least one of the first electrode terminal or the second electrode terminal protrudes outside the cap plate as a rivet terminal. 1. A rechargeable battery comprising:an electrode assembly comprising a first electrode and a second electrode;a case receiving the electrode assembly;a cap plate coupled to the case and defining a terminal hole;a first electrode terminal at the cap plate;a second electrode terminal at the cap plate;a first current collecting tab electrically connecting the electrode assembly to the first electrode terminal; anda second current collecting tab electrically connecting the electrode assembly to the second electrode terminal,wherein at least one of the first electrode terminal or the second electrode terminal protrudes outside the cap plate as a rivet terminal.2. The rechargeable battery of claim 1 , wherein the first electrode terminal passes through the terminal hole claim 1 , and comprises a first end electrically connected to the first current collecting tab claim 1 , and a second end that protrudes outside the cap plate as the rivet terminal claim 1 , andwherein the second electrode terminal is electrically connected to the cap plate, and is located at an exterior of the cap plate.3. The rechargeable battery of claim 2 , wherein the first electrode terminal comprises an extension portion having a first end electrically connected to the first current collecting tab inside the case claim 2 , and a second end ...

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Номер записи: 64
03-02-2022 дата публикации

ELECTROCHEMICAL CELLS AND METHODS OF MANUFACTURING THE SAME

Номер: US20220037749A1
Автор: Bazzarella Ricardo, Cross, DOHERTY Tristan, III James C., Slocum Alexander H.
Принадлежит: 24M Technologies, Inc.

Electrochemical cells and methods of making electrochemical cells are described herein. In some embodiments, an apparatus includes a multi-layer sheet for encasing an electrode material for an electrochemical cell. The multi-layer sheet including an outer layer, an intermediate layer that includes a conductive substrate, and an inner layer disposed on a portion of the conductive substrate. The intermediate layer is disposed between the outer layer and the inner layer. The inner layer defines an opening through which a conductive region of the intermediate layer is exposed such that the electrode material can be electrically connected to the conductive region. Thus, the intermediate layer can serve as a current collector for the electrochemical cell. 131-. (canceled)32. An apparatus , comprising:a first polymer sheet;a first current collector disposed on the first polymer sheet;a first electrode material disposed on the first current collector;a second polymer sheet;a second current collector disposed on the second polymer sheet;a second electrode material disposed on the second current collector, the second electrode material including a mixture of a solid phase and a liquid phase, the solid phase including an active material and the liquid phase including a liquid electrolyte; anda separator disposed between the first polymer sheet and the second polymer sheet, the separator extending beyond the first electrode material and the second electrode material to isolate the first electrode material from the second electrode material.33. The apparatus of claim 32 , wherein the first current collector is coupled to the first polymer sheet and the second current collector is coupled to the second polymer sheet.34. The apparatus of claim 32 , wherein the first polymer sheet is thermally bondable to the second polymer sheet.35. The apparatus of claim 32 , wherein the separator is coupled to at least a portion of the first polymer sheet to form a seal around the first ...

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Номер записи: 65
03-02-2022 дата публикации

Secondary battery

Номер: US20220037750A1
Автор: Yukio Harima
Принадлежит: Panasonic Corp

A secondary battery includes: an electrode body which has a positive and a negative plate inserted in a battery case; a sealing plate which seals an opening in the case; and an external terminal attached thereto. One end of the positive and the negative plate is provided with a current collection tab, the one end closer to the sealing plate, the current collection tab is connected to the external terminal via a current collection terminal member disposed between the electrode body and the sealing plate, in a joined area between the current collection tab and the current collection. terminal member a joined portion of the current collection tab has a recessed form due to joining by ultrasonic wave, and a depth of the recessed form of a joined portion of an end closer to the electrode body is smaller than a depth of the recessed form of other joined portions.

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Номер записи: 66
18-01-2018 дата публикации

ELECTRODE WITH PERFORATED CURRENT COLLECTOR AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Номер: US20180019477A1
Автор: WOO Kyung Hwa
Принадлежит: LG CHEM, LTD.

Disclosed are an electrode including a perforated current collector, and a lithium secondary battery including the same, and according to the present disclosure, precipitation and elimination reactions of lithium metal are induced inside a perforation of a negative electrode current collector, and therefore, volume expansion of a cell is suppressed and battery performance is enhanced therefrom. 1. An electrode for a lithium secondary battery comprising:a pair of negative electrode current collectors having a plurality of perforations; anda lithium metal layer disposed between the pair of negative electrode current collectors.2. The electrode for a lithium secondary battery of claim 1 , further comprising an insulation layer disposed on the negative electrode current collector and having a plurality of perforations funneled to the perforations.3. The electrode for a lithium secondary battery of claim 1 , wherein the perforation has a circular claim 1 , oval or polygonal shape.4. The electrode for a lithium secondary battery of claim 1 , wherein an aperture ratio caused by the perforations of the negative electrode current collector is from 20% to 80%.5. The electrode for a lithium secondary battery of claim 1 , wherein the perforation of the negative electrode current collector is a circle having a diameter from 0.1 mm to 1.0 mm.6. The electrode for a lithium secondary battery of claim 1 , wherein the perforation of the negative electrode current collector is a polygon having a longest distance of an inner side surface from 0.1 mm to 1.0 mm.7. The electrode for a lithium secondary battery of claim 1 , wherein space between the perforations of the negative electrode current collector is from 0.1 mm to 1.0 mm.8. The electrode for a lithium secondary battery of claim 1 , wherein the negative electrode current collector is selected from the group consisting of copper claim 1 , aluminum claim 1 , stainless steel claim 1 , zinc claim 1 , titanium claim 1 , silver claim 1 , ...

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Номер записи: 67
17-01-2019 дата публикации

Mechanically Fastened Through-Wall Current Collector

Номер: US20190019998A1
Автор: Kotik Mark, Schoenherr Robert
Принадлежит: ROBERT BOSCH GMBH

A pouch cell includes a generally rectangular cell housing formed of a metal laminated film, an electrode assembly that is sealed within the cell housing, and a current collector device disposed in the cell housing. The electrode assembly includes positive electrode portions alternating with negative electrode portions, the positive electrode portions and the negative electrode portions being separated by at least one separator and stacked along a stack axis. The current collector device is electrically connected to one of the positive electrode portions and the negative electrode portions and exits the cell housing via an opening formed in the cell housing. The opening is formed in a side wall of the cell housing at a location spaced apart from the sealed joint that closes the cell housing and at a location facing the stack axis. 1. An electrochemical cell including a cell housing , an electrode assembly disposed in the cell housing , and a current collector device , whereinthe cell housing is formed of a flexible sheet, the cell housing having a first housing portion, and a second housing portion that is joined to the first housing portion along a sealed joint to form a pouch, the first housing portion comprising a base and a sidewall that protrudes from a perimeter of the base and surrounds the base to form an open-ended container,the electrode assembly includes positive electrode portions alternating with negative electrode portions, the positive electrode portions and the negative electrode portions being separated by at least one separator and stacked along a stack axis, the stack axis extending in a direction perpendicular to the base, and a current collecting plate that is disposed between the sidewall and the one of the positive electrode portions and the negative electrode portions, is electrically connected to the one of the positive electrode portions and the negative electrode portions, is oriented parallel to the sidewall, and overlies the opening, the ...

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Номер записи: 68
17-01-2019 дата публикации

INTERCONNECTING MEMBER OCCUPYING LESS SPACE IN BATTERY MODULE AND BATTERY MODULE COMPRISING SAME

Номер: US20190020012A1
Автор: AHN Hyung Jun, JU Jae Hyeon, KIM Bo Hyon, MA Sang Hyuk, PARK Jin Hong
Принадлежит: LG CHEM, LTD.

Provided is an interconnection member including: (a) a main cable made of a flexible flat cable (FFC) including a plurality of copper wires; (b) a plurality of terminal parts branched from the main cable and electrically connected to at least one of the copper wires of the main cable, the plurality of terminal parts being connected to the bus bars to sense voltages of the battery cells; (c) a connecting part formed on one-side end of the main cable, and electrically and mechanically connected to the PCB; and (d) at least one temperature sensing part branched from the main cable, adjacent to the connecting part, while sharing at least one of the copper wires of the main cable. 1. An interconnection member for connecting bus bars which a coupled to a printed circuit board (PCB) of a battery module and electrode terminals of battery cells , the interconnection member comprising:(a) a main cable made of a flexible flat cable (FFC) including a plurality of copper wires;(b) a plurality of terminal parts branched from the main cable and electrically connected to at least one of the copper wires of the main cable, the plurality of terminal parts being connected to the bus bars to sense voltages of the battery cells;(c) a connecting part formed on one-side end of the main cable, and electrically and mechanically connected to the PCB; and(d) at least one temperature sensing part branched from the main cable, adjacent to the connecting part, while sharing at least one of the copper wires of the main cable,wherein at least two of (b) to (d) are made of an FFC.2. The interconnection member of claim 1 , wherein the copper wires of the main cable claim 1 , which are respectively shared by the terminal parts and the temperature sensing parts claim 1 , are short-circuited to each other.3. The interconnection member of claim 1 , wherein the connecting part is made of an FFC so as to be electrically and mechanically coupled to an FFC connector provided in the PCB.4. The ...

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Номер записи: 69
17-04-2014 дата публикации

Electrode assembly with porous structure and secondary battery including the same

Номер: US20140106193A1
Автор: Hyo Seok Park, Soo Young Kim, Young Joon Shin
Принадлежит: LG Chem Ltd

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

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Номер записи: 70
16-01-2020 дата публикации

BATTERY MODULE PRINTED CIRCUIT BOARD ASSEMBLY SYSTEM AND METHOD

Номер: US20200020920A1
Автор: Dulle Ronald J., Gunderson Mark D., Thieme Bryan L.
Принадлежит:

A battery module includes a housing, a plurality of battery cells disposed in the housing, and a printed circuit board (PCB) assembly disposed in the housing. The PCB assembly includes a PCB and a shunt disposed across a first surface of the PCB. A second surface of the shunt directly contacts the first surface of the PCB, and the shunt is electrically coupled between the battery cells and a terminal of the battery module. 1. A battery module , comprising:a housing;a plurality of battery cells disposed in the housing; and a PCB; and', 'a shunt disposed across a first surface of the PCB, wherein a second surface of the shunt directly contacts the first surface of the PCB, and wherein the shunt is electrically coupled between the plurality of battery cells and a terminal of the battery module., 'a printed circuit board (PCB) assembly disposed in the housing, the PCB assembly comprising2. The battery module of claim 1 , comprising a bus bar that is in electrical communication with one of the plurality of battery cells and a connector that is in electrical communication with the terminal of the battery module claim 1 , wherein the shunt provides a low resistance path between the bus bar of the battery module and the connector of the battery module.3. The battery module of claim 2 , wherein the connector comprises an integral bladed portion that extends over and in contact with the shunt claim 2 , such that the shunt is held between the first surface of the PCB and a bottom surface of the bladed portion of the connector.4. The battery module of claim 2 , wherein the bus bar comprises an extension that extends over and in contact with the shunt claim 2 , such that the shunt is disposed between the first surface of the PCB and a bottom surface of the extension of the bus bar.5. The battery module of claim 1 , comprising a lid disposed between the PCB assembly and the plurality of battery cells claim 1 , wherein the lid is configured to support the PCB assembly claim 1 , ...

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Номер записи: 71
22-01-2015 дата публикации

ELECTRIC STORAGE DEVICE

Номер: US20150024264A1
Автор: KISHIMOTO Tomonori, MURAKAMI Satoshi, TONONISHI Masamitsu
Принадлежит:

Provided is an electric storage device capable of suitably preventing damage to end portions of an electrode assembly due to vibration. A current collector and a backing member are cooperated and connected to each end portion of the electrode assembly in which a positive electrode plate and a negative electrode plate are stacked in layers. The backing member is composed of a base and a skirt. 1. An electric storage device comprising:an electrode assembly formed by stacking a positive electrode plate and a negative electrode plate, the electrode assembly having a projection formed by at least one of the positive electrode plate and the negative electrode plate projecting in a stacked state, the projection having a bound portion formed by binding a distal end side of the projection and a sloping portion sloping from a proximal end side of the projection toward the bound portion;a backing member arranged to face at least one of both surfaces of the bound portion;a current collector having a connection piece arranged to face at least the other of both surfaces of the bound portion;a case housing the electrode assembly, the backing member, and the current collector, the electrode assembly being supported by the current collector within the case, whereinthe backing member has a base extending along a surface of the bound portion, and a skirt extending from the base toward a proximal end side of the projection along a surface of the sloping portion.2. The electric storage device according to claim 1 , whereinthe backing member further has a reinforcing piece coupled to the base and the skirt.3. The electric storage device according to claim 2 , whereinthe bound portion is formed in a partial region of the projection in a second direction intersecting a first direction in which the projection projects,the projection has a second sloping portion sloping toward the bound portion in the second direction, andthe reinforcing piece is provided in an end portion of the backing ...

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Номер записи: 72
26-01-2017 дата публикации

Flat Secondary Battery

Номер: US20170025649A1
Автор: Maeda Takehiro, Matsuo Azusa, Nitta Yoshiaki, Oume Ami, Saito Takamitsu
Принадлежит:

A flat secondary battery has a laminate-type power generation element in which two or more plate-like electrodes are laminated via each of separators; and a pair of rectangular exterior members when viewed from a lamination direction of the two or more electrodes, the rectangular exterior members sealing the laminate-type power generation element and an electrolyte solution. At least one exterior member of the pair of the rectangular exterior members comprises: an abutting part including an abutting surface that abuts against an uppermost layer electrode of the two or more electrodes; a sealing part at which the rectangular exterior members overlap each other at an outer circumferential position of the rectangular exterior members; and an extending part that extends from the abutting part to the sealing part, and the flat secondary battery satisfies: 2. (canceled)4. The flat lithium ion secondary battery according to claim 1 ,wherein the extending part includes a first extending part that extends from an end part of the abutting part and a second extending part that is inclined to the abutting surface between the first extending part and the sealing part, anda length of the first extending part in the cross section decreases as the d increases due to use of the flat secondary battery.5. (canceled)6. (canceled) This application claims priority to Japanese Patent Application No. 2014-082376, filed on Apr. 11, 2014, incorporated herein by reference.The present invention relates to a flat secondary battery.JP 2001-297748A discloses a nonaqueous electrolyte secondary battery comprising a flat battery element, a bag-like exterior case which houses the flat battery element, a positive electrode lead which is led out from a sealing part of the exterior case, and a negative electrode lead which is led out from the sealing part of the exterior case. The flat battery element is configured such that sheet-like or film-like positive electrode plates, separators for holding ...

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Номер записи: 73
26-01-2017 дата публикации

Flat Secondary Battery

Номер: US20170025710A1
Автор: Maeda Takehiro, Matsuo Azusa, Nitta Yoshiaki, Oume Ami, Saito Takamitsu
Принадлежит:

A flat secondary battery has a laminate-type power generation element in which two or more plate-like electrodes are laminated via separators; and a pair of rectangular exterior members defined by long sides and short sides when viewed from a lamination direction of the two or more electrodes that seal the power generation element and an electrolyte solution. At least one exterior member of the pair of the rectangular exterior members comprises: an abutting part including an abutting surface that abuts against an uppermost layer electrode of the two or more electrodes; a sealing part at which the rectangular exterior members overlap each other at an outer circumferential position of the rectangular exterior members; and an extending part that extends from the abutting part to the sealing part, and the flat secondary battery satisfies 1≦LA/LB≦2. 1. A flat lithium ion secondary battery comprising:a laminate-type power generation element in which two or more positive electrode plates and negative electrode plates are laminated via each of separators; anda pair of rectangular exterior members defined by long sides and short sides when viewed from a lamination direction of the two or more positive electrode plates and negative electrode plates, the rectangular exterior members sealing the laminate-type power generation element and an electrolyte solution, wherein an abutting part including an abutting surface that abuts against an uppermost layer electrode of the positive electrode plates and negative electrode plates;', 'a sealing part at which the rectangular exterior members overlap each other at an outer circumferential position of the rectangular exterior members; and', 'an extending part that extends from the abutting part to the sealing part', 'the positive electrode plate includes an NMC composite oxide and polyvinylidene fluoride,', 'the negative electrode plate includes a mixture of graphite and polyvinylidene fluoride or a mixture of graphite and styrene- ...

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Номер записи: 74
26-01-2017 дата публикации

ENERGY STORAGE UNIT HAVING A PLURALITY OF GALVANIC CELLS, BATTERY CELL FOR AN ENERGY STORAGE UNIT OF THIS KIND, AND METHOD FOR PRODUCING THE BATTERY CELL

Номер: US20170025720A1
Автор: Austen Michael, Boehme Jens, Fetzer Joachim, Gerlach Martin, Hore Sarmimala, Kaiser Rudi, Poller Silvan, Reinshagen Holger
Принадлежит: ROBERT BOSCH GMBH

The present invention relates to an energy storage unit () having a plurality of electrochemical cells (), wherein the electrochemical cells () each have a first outer face () comprising a first electrode (), and a second outer face () comprising a second electrode (), and the electrochemical cells () are electrically interconnected owing to the lined-up arrangement () of the electrochemical cells () by way of the outer faces () by means of the electrodes (). The energy storage unit () additionally comprises a first frame element () and a second frame element (), which frame elements are directly or indirectly connected to one another, wherein the first frame element () is arranged at one end () of the lined-up arrangement () of the electrochemical cells (), and the second frame element () is arranged at the other end () of the lined-up arrangement () of the electrochemical cells (). The present invention also relates to a battery cell () for use with an energy storage unit () according to the invention, and also to a method for producing a battery cell () of this kind. 1122354629234561787109281192. An energy storage unit () having a plurality of galvanic cells () , wherein the galvanic cells () in each case have a first outer side () comprising a first electrode () and a second outer side () comprising a second electrode () and the galvanic cells () are electrically interconnected with one another by juxtaposition () of the galvanic cells () by way of the outer sides ( , ) via the electrodes ( , ) , characterized in that the energy storage unit () comprises a first frame element () and a second frame element () , which are directly or indirectly connected to one another , wherein the first frame element () is arranged at one end () of the juxtaposition () of the galvanic cells () and the second frame element () is arranged at the other end () of the juxtaposition () of the galvanic cells ().211221787812. The energy storage unit () as claimed in claim 1 , ...

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Номер записи: 75
25-01-2018 дата публикации

Battery cell, battery module and production method

Номер: US20180026294A1
Автор: Daniel Sauerteig, Silvan Poller
Принадлежит: ROBERT BOSCH GMBH

A battery cell ( 2 ) with a film cover ( 4 ) for electrochemically active material, wherein the film cover ( 4 ) is present substantially in a prismatic shape, and therefore the film cover ( 4 ) can be assigned two mutually opposite main surfaces ( 6 a, b ), and with current collectors ( 10 a, b ) which electrically contact the electrochemically active material and serve for the interconnection of the battery cell ( 2 ). At least one current collector ( 10 a, b ) has a flat element ( 12 a, b ) which substantially covers a main surface ( 6 a, b ) of the film cover ( 4 ) and has a connection region for connection to a cooling device, or is provided with cooling ducts.

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Номер записи: 76
25-01-2018 дата публикации

LAYERED CELL AND METHOD OF MANUFACTURING THE SAME

Номер: US20180026308A1
Автор: NISHINO Hiroaki, YAMADA Keigo
Принадлежит:

A layered cell has a plurality of unit cells each having a positive electrode having a positive electrode current collector layer, a negative electrode having a negative electrode current collector layer, and a solid electrolyte layer disposed between the positive electrode and the negative electrode. The unit cells are stacked, the positive electrode current collector layer has a positive electrode current collector tab protruding from the positive electrode current collector layer in a surface direction, the negative electrode current collector layer has a negative electrode current collector tab protruding from the negative electrode current collector layer in the surface direction, and at least one of the positive electrode current collector tabs and the negative electrode current collector tabs are electrically connected and integrated with intervention of a conductive member disposed in a gap between the neighboring current collector tabs of the unit cell. 1. A layered cell comprising:a plurality of unit cells each having a positive electrode having a positive electrode current collector layer, a negative electrode having a negative electrode current collector layer, and a solid electrolyte layer disposed between the positive electrode and the negative electrode,wherein the unit cells are stacked,the positive electrode current collector layer has a positive electrode current collector tab protruding from the positive electrode current collector layer in a surface direction of the positive electrode current collector layer,the negative electrode current collector layer has a negative electrode current collector tab protruding from the negative electrode current collector layer in a surface direction of the negative electrode current collector layer, anda current collector tab that is at least one of the positive electrode current collector tab and the negative electrode current collector tab is electrically connected and integrated with a corresponding current ...

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Номер записи: 77
24-01-2019 дата публикации

POWER STORAGE DEVICE

Номер: US20190027711A1
Автор: MINAGATA Atsushi, Okuda Motoaki, TOMIOKA Masami
Принадлежит: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI

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 ...

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Номер записи: 78
24-04-2014 дата публикации

AUTOMOBILE CELL AND RELATED METHOD

Номер: US20140113178A1
Автор: ABE Takaaki, Horie Hideaki, ITO Takanori, OGAWA Tomaru, Shimamura Osamu, Sugawara Hiroshi
Принадлежит: NISSAN MOTOR CO., LTD.

An automobile cell is provided with an electric power generating element composed of a positive electrode having a positive electrode active substance layer, a negative electrode having a negative electrode active substance layer and a separator interposed between the electrodes, a cell outer sheath made of a laminate film compositely composed of polymer and metal, a positive electrode terminal lead electrically conductive with the positive electrode and extending to an outside of the cell outer sheath, and a negative electrode terminal lead electrically conductive with the negative electrode and extending to the outside of the cell outer sheath. The positive electrode and the negative electrode associated therewith via the separator defines a unit electrode, and the relationship between a thickness of the automobile cell and a sum of a thickness of the positive electrode active substance layer and a thickness of the negative electrode active substance layer of the unit electrodes, is defined such that a value obtained by dividing the former by the latter is equal to or less than 80. 1. A flat-shaped cell for an automobile , the cell comprising:an electric power generating element made by laminating a positive electrode provided with a positive electrode current collector and a positive electrode active substance layer formed on the positive electrode current collector, a separator, and a negative electrode provided with a negative electrode current collector and a negative electrode active substance layer formed on the negative electrode current collector;a cell outer sheath made of a polymer-metal composite laminate film for sealing the electric power generating element therein;a positive electrode terminal lead electrically connected with the positive electrode and extended outward from the cell outer sheath;a negative electrode terminal lead electrically connected with the negative electrode and extended outward from the cell outer sheath, whereinthe electric ...

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Номер записи: 79
29-01-2015 дата публикации

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Номер: US20150030911A1
Автор: Donoue Kazunori, Miyazaki Shinya, Tani Yuji
Принадлежит: SANYO ELECTRIC CO., LTD.

A non-aqueous electrolyte secondary battery comprises a stacked electrode assembly in which the positive electrode plates with a large area and the negative electrode plates with a large area are stacked interposing separators therebetween, and a non-aqueous electrolyte containing non-aqueous solvent. The positive electrode plate as the positive electrode active material comprises a lithium transition-metal composite oxide expressed by Li(NiCoMn)MO(1.05≦a≦1.20, 0.3≦b≦0.6, b+c+d=1, 0≦e≦0.05, and M is at least one element selected from the group consisting of Ti, Nb, Mo, Zn, Al, Sn, Mg, Ca, Sr, Zr, and W), and the proportion of a chain carbonate contained in the non-aqueous solvent to the non-aqueous solvent is 50% by volume or more, and the proportion of diethyl carbonate contained in the chain carbonate to the chain carbonate is 70% by volume or more. 1. A non-aqueous electrolyte secondary battery comprising:square positive electrode plates provided with a positive electrode active material layer formed on a surface of a positive electrode core in each of the positive electrode plates;square negative electrode plates provided with a negative electrode active material layer formed on a surface of a negative electrode core in each of the negative electrode plates; andan outer case storing a non-aqueous electrolyte and a stacked electrode assembly in which the positive electrode plates and the negative electrode plates are stacked interposing separators therebetween,wherein each of the width and the height of the positive electrode plates is 100 mm or more, and each of the width and the height of the negative electrode plates is 100 mm or more, and the stacked electrode assembly in which 10 sheets or more of the positive electrode plates and 10 sheets or more of the negative electrode plates are stacked interposing the separators therebetween,{'sub': a', 'b', 'c', 'd', 'e', '2, 'wherein the positive electrode active material layer comprises a lithium transition-metal ...

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Номер записи: 80
28-01-2021 дата публикации

CAPACITOR ASSISTED BIPOLAR BATTERY

Номер: US20210028481A1
Автор: HOU Mengyan, Liu Haijing, Su Qili, Verbrugge Mark W., WU Meiyuan
Принадлежит:

A bipolar battery may comprise first, second, and third bipolar electrodes that are physically and electrically isolated from one another by intervening non-liquid electrolyte layers. Each of the bipolar electrodes may comprise a bipolar current collector including a first electroactive material layer connected to a first side thereof and a second electroactive material layer connected to a second side thereof. Each electroactive material layer may comprise at least one of: (i) a lithium ion battery positive electrode material, (ii) a lithium ion battery negative electrode material, and/or (iii) a capacitor electrode material. At least one of the electroactive material layers comprises a capacitor electrode material. 1. A bipolar battery comprising:first, second, and third bipolar electrodes positioned adjacent one another and being physically and electrically isolated from one another by intervening non-liquid electrolyte layers, each of the bipolar electrodes comprising a bipolar current collector including a first electroactive material layer connected to a first side thereof and a second electroactive material layer connected to a second side thereof,wherein each electroactive material layer comprises at least one of: (i) a lithium ion battery positive electrode material, (ii) a lithium ion battery negative electrode material, or (iii) a capacitor electrode material, andwherein at least one of the electroactive material layers comprises a capacitor electrode material.2. The bipolar battery of wherein the capacitor electrode material comprises at least one electric double-layer capacitor material selected from the group consisting of activated carbon claim 1 , carbon xerogel claim 1 , carbon aerogel claim 1 , carbon nanotube claim 1 , mesoporous carbon claim 1 , templated carbon claim 1 , carbide-derived carbon claim 1 , graphene claim 1 , porous carbon spheres claim 1 , or heteroatom-doped carbon.3. The bipolar battery of wherein the capacitor electrode material ...

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Номер записи: 81
28-01-2021 дата публикации

SECONDARY BATTERY AND BATTERY MODULE HAVING THEREOF

Номер: US20210028519A1
Автор: CHOI Yang Kyu, HWANG Dong Ha, Jeon Hae Ryong, Ju Seung Hoon, Kim Seok Min, Ma Myeong Hwan, RHEE Seo Roh
Принадлежит:

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 ...

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Номер записи: 82
17-02-2022 дата публикации

ULTRASONIC WELDING DEVICE AND METHOD FOR PRODUCING A METAL FOIL STACK

Номер: US20220048129A1
Автор: BÖHM Dennis, BREUER Alexander
Принадлежит: VOLKSWAGEN AKTIENGESELLSCHAFT

The invention relates to an ultrasonic welding device for introducing an embossed surface into a metal foil stack for a cell of a lithium-ion battery, comprising a sonotrode and an anvil, wherein the anvil or the sonotrode has a number of first protrusions projecting from the working surface thereof, in order to form the, in particular strip-like, embossed surface by compacting the metal foil stack. The invention additionally relates to a method for producing a metal foil stack of metal foils for a cell of a lithium-ion battery, in particular using such an ultrasonic welding device. 1. An Ultrasonic welding device for introducing an embossed surface into a metal foil stack for a cell of a lithium-ion battery , comprisinga sonotrode, andan anvil,wherein the anvil or the sonotrode has a number of first protrusions projecting from the working surface to form the, in particular strip-like, embossed surface by compacting the metal foil stack.2. The Ultrasonic welding device according to claim 1 , wherein claim 1 ,if the sonotrode has the first protrusions, then the anvil has a contour, or if the anvil has the first protrusions, then the sonotrode has the contour,the contour being formed by means of a number of second protrusions projecting from the relevant working surface, or by means of a number of recesses in the relevant working surface, which correspond to the first protrusions, andthe anvil and the sonotrode being oriented with respect to one another such that the first protrusions and the second protrusions or the recess are opposite one another in a direction perpendicular to the working surfaces, or that the first protrusions are offset from the second protrusions, in particular in a grid-like manner, with respect to a direction parallel to the working surfaces.3. The Ultrasonic welding device according to claim 1 , wherein the first protrusions claim 1 , the recess and/or the second protrusions are in the shape of a truncated prism or truncated pyramid claim 1 ...

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Номер записи: 83
02-02-2017 дата публикации

Non-Aqueous Electrolyte Secondary Battery

Номер: US20170033418A1
Автор: Sakamoto Kazuyuki, Suzuki Yosuke
Принадлежит:

A non-aqueous electrolyte secondary battery includes a power generating element having a positive electrode having a positive electrode active material layer containing lithium-nickel-manganese-cobalt composite oxide on a surface of a current collector, an electrolyte layer, and a negative electrode. At least one of the following conditions (1) to (4) is satisfied. (1) A value obtained by dividing a direct current resistance of the battery by a heat resistance in a plane direction of the battery is 0.055 or more; (2) a value obtained by dividing a direct current resistance of the battery by a heat capacity of the battery is 3.080×10or more; (3) a value obtained by dividing a battery capacity by a heat resistance in a plane direction of the battery is 880 or more; and (4) a value obtained by dividing a battery capacity by a heat capacity of the battery is 0.05000 or more. 1. A non-aqueous electrolyte secondary battery comprising:a power generating element formed by stackinga positive electrode obtained by forming a positive electrode active material layer containing lithium-nickel-manganese-cobalt composite oxide on a surface of a current collector,an electrolyte layer, anda negative electrode, whereinat least one of the following conditions (1) to (4) is satisfied:(1) a value obtained by dividing a direct current resistance [Ω] of the battery by a heat resistance [(m·K)/W] in a plane direction of the battery is 0.055 or more;{'sup': '−6', '(2) a value obtained by dividing a direct current resistance [Ω] of the battery by a heat capacity [J/K] of the battery is 3.080×10or more;'}(3) a value obtained by dividing a battery capacity [Ah] by a heat resistance [(m·K)/W] in a plane direction of the battery is 880 or more; and(4) a value obtained by dividing a battery capacity [Ah] by a heat capacity [J/K] of the battery is 0.05000 or more.2. The non-aqueous electrolyte secondary battery according to claim 1 , wherein at least one of the conditions (1) and (2) is satisfied ...

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Номер записи: 84
01-02-2018 дата публикации

BATTERY PACK

Номер: US20180034014A1
Автор: ICHIKAWA Yoshiaki, INOUE Hisato, KOIKE Hirokuni, SATO Katsunori, TAKASUGI Hidehiro, YAMAMOTO Hiroyoshi
Принадлежит:

Each battery module of a battery pack includes a stack of serially connected battery cells, a gas discharge duct extending in a cell arrangement direction to guide gas discharged from a relief valve of each battery cell to an outside of the battery module, the gas discharge duct having a first connection opening at one end and a second connection opening at the other end, a first connection terminal piece having an inner end portion electrically connected to an electrode of one of the battery cells at one end of the serial connection and an outer end portion disposed inside the first connection opening, and a second connection terminal piece having an inner end portion electrically connected to an electrode of another one of the battery cells at another end of the serial connection and an outer end portion disposed inside the second connection opening. 1. A battery pack comprising a combination of a plurality of battery modules , wherein each of the battery modules comprises:a stack of battery cells, each of the battery cells having a relief valve;a gas discharge duct extending from a first end of the gas charge duct to a second end of the gas discharge duct in a direction in which the battery cells are arranged in the battery module to guide gas discharged from the relief valve of each battery cell to an outside of the battery module, the gas discharge duct having a first connection opening provided at the first end and a second connection opening provided at the second end;a first connection terminal piece having an inner end portion electrically connected to an electrode of one of the battery cells arranged at one end of a serial connection of the battery cells and an outer end portion disposed inside the first connection opening; anda second connection terminal piece having an inner end portion electrically connected to an electrode of another one of the battery cells arranged at another end of the serial connection and an outer end portion disposed inside the ...

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Номер записи: 85
05-02-2015 дата публикации

Remanufacturing methods for battery module

Номер: US20150037649A1
Автор: Perry M. Wyatt, Thanh T. Nguyen
Принадлежит: Johnson Controls Technology Co

A remanufactured battery module includes a power assembly having a stack of battery cell assemblies. Each battery cell assembly includes a plurality of layers including a battery cell and a frame supporting the battery cell within the power assembly. The plurality of layers of at least one battery cell assembly includes an internal heat fin having first and second side portions extending beyond respective side edges of the battery cell and the frame. The remanufactured battery module also includes a side assembly in physical contact with the first side portion of the internal heat fin to enable the side assembly to act as a heat sink with respect to the first side portion of the internal heat fin. A layer of the plurality of layers of at least one battery cell assembly is new, and at least a portion of the side assembly is used.

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Номер записи: 86
01-05-2014 дата публикации

ELECTRODE ASSEMBLY HAVING EXCELLENT ELECTRODE TAB CONNECTIVITY AND BATTERY CELL AND DEVICE INCLUDING ELECTRODE ASSEMBLY

Номер: US20140120397A1
Автор: AHN Soon-Ho, KIM Dong-Myung, Kim Ki-Woong, Kim Young-Hoon, Kwon Sung-Jin, Ryu Seung-Min
Принадлежит: LG CHEM, LTD.

An electrode assembly and a method of manufacturing the same are provided. The electrode assembly includes an electrode stack including at least one anode, at least one cathode, and at least one separation film and a plurality of cathode tabs and a plurality of anode tabs for electrically connecting the electrode stack. In this case, the electrode tabs are arranged to allow the electrode tabs having the same polarity to be electrically connected to one another while a portion of the electrode tabs having the same polarity are arranged so as not to overlap one another on the same plane. 1. An electrode assembly comprising an electrode stack comprising at least one anode , at least one cathode , and at least one separation film and a plurality of cathode tabs and a plurality of anode tabs for electrically connecting the electrode stack ,wherein the electrode tabs are arranged to allow the electrode tabs having the same polarity to be electrically connected to one another while a portion of the electrode tabs having the same polarity are arranged so as not to overlap one another on the same plane.2. The electrode assembly of claim 1 , wherein the electrode tabs each comprises two or more types of electrode tab having different widths.3. The electrode assembly of claim 2 , wherein the electrode tabs each comprises:at least one first electrode tab having a relatively wider width; andat least one second electrode tab and at least one third electrode tab having widths narrower than that of the first electrode tab and disposed so as not to overlap each other.4. The electrode assembly of claim 3 , wherein the sum of the widths of the second electrode tab and the third electrode tab is narrower than the width of the first electrode tab.5. The electrode assembly of claim 1 , wherein the electrode stack comprises a combination of two or more types of electrode unit having different areas.6. The electrode assembly of claim 5 , wherein the electrode stack comprises a combination ...

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Номер записи: 87
01-05-2014 дата публикации

Laminated cell and method for manufacturing same

Номер: US20140120408A1
Автор: Kazumi Hisajima, Taewon Kim
Принадлежит: Nissan Motor Co Ltd

A laminated cell ( 100 ) of the present invention includes a laminated body ( 120 ) formed by sequential stacking a negative electrode ( 130 ), a separator ( 170, 180 ), a positive electrode ( 150 ), and a separator ( 170, 180 ). At least one of surfaces of the positive electrode ( 150 ) or the negative electrode ( 130 ) in a stacking direction (S) has a portion to which a resin member ( 190 ) is bonded. The separators each have a portion bonded to the resin member ( 190 ) on a side facing the at least one of surfaces. In the present invention, since the separators and at least one of the positive electrode and the negative electrode are integrated together, misalignment in a stacking work can be easily suppressed and the laminated cell has excellent productivity.

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Номер записи: 88
31-01-2019 дата публикации

Battery cell including tab and lead having compact joint structure

Номер: US20190036148A1
Автор: Hyung-Kyun Yu, Ji-Hoon Lee, Min-Hyeong Kang, Na Yoon Kim, Sang-hun Kim, Soo-Ji HWANG, Yong Kim, Yong-Su Choi
Принадлежит: LG Chem Ltd

Disclosed herein is a battery cell configured to have a structure in which an electrode assembly is received in a battery case together with an electrolytic solution in the state in which the battery case is sealed and in which a first electrode terminal and a second electrode terminal are located outside the battery case, wherein the electrode assembly is configured to have a structure in which a plurality of first electrode plates and a plurality of second electrode plates are stacked in the state in which separators are interposed respectively between the first electrode plates and the second electrode plates, at least one of the first and second electrode plates includes at least two unit tabs protruding outward from a main body thereof, and unit leads are coupled to the unit tabs in order to form at least one terminal unit.

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Номер записи: 89
04-02-2021 дата публикации

VENT SHIELD FOR A BATTERY MODULE

Номер: US20210036301A1
Автор: DeKeuster Richard M., Trester Dale B.
Принадлежит:

The present disclosure relates generally to a battery module having a housing and a stack of battery cells disposed in the housing. Each battery cell has a battery cell terminal and a battery cell vent on an end of each battery cell, and the battery cell vent is configured to exhaust effluent into the housing. The battery module has a vent shield plate disposed in the housing and directly along an immediate vent path of the effluent, a first surface of the vent shield plate configured to direct the effluent to an opening between the shield plate and the housing, and a second surface of the vent shield plate opposite the first surface. The battery module also has a venting chamber coupled to the opening and at least partially defined by the second surface and a vent configured to direct the effluent out of the battery module. 19-. (canceled)10. A battery module , comprising:a housing;a receptacle of the housing configured to receive a stack of battery cells, wherein each battery cell of the stack of battery cells has an end comprising a battery cell terminal and a battery cell vent, and the battery cell vent is configured to exhaust battery cell effluent;an integrated sensing and bus bar subassembly positioned directly along a vent path of the battery cell effluent;a vent shield plate of the integrated sensing and bus bar subassembly, wherein the vent shield plate comprises a first surface and a second surface, and wherein the first surface is configured to absorb kinetic energy and thermal energy from the battery cell effluent and to direct the battery cell effluent to an opening in the integrated sensing and bus bar subassembly; anda module cover disposed over the integrated sensing and bus bar subassembly and against the housing, wherein the module cover and the second surface of the vent shield plate at least partially define a venting chamber configured to receive the battery cell effluent after the battery cell effluent has passed through the opening, and ...

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Номер записи: 90
04-02-2021 дата публикации

Method of producing laminate for secondary battery

Номер: US20210036375A1
Автор: Hiroshi Koga, Keiichiro Tanaka, Masanobu Sato, Masuhiro Oonishi
Принадлежит: Zeon Corp

Provided is a method that enables efficient production of a laminate for a secondary battery including an electrode and a separator that are affixed to each other while also ensuring adhesive strength between the electrode and the separator. The method of producing a laminate for a secondary battery includes: a step (A) of forming an adhesive material on an affixing surface of at least one of an electrode and a separator; a step (B) of, after step (A), conveying the electrode and the separator to an affixing start position without bringing another member into contact with the affixing surface on which the adhesive material has been formed; and a step (C) of, after step (B), affixing the electrode and the separator to each other via the affixing surface. The formed amount of the adhesive material in step (A) is not less than 0.1 g/m 2 and not more than 100 g/m 2 .

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Номер записи: 91
04-02-2021 дата публикации

BATTERY MODULE USING POUCH CELLS

Номер: US20210036389A1
Автор: HONG Jing, WANG Yangfan
Принадлежит: KARMA AUTOMOTIVE LLC

A battery module made from a plurality of side-by-side pouch cell modules, wherein each pouch cell module is formed with a pair of cells on either side of an insulation pad with the cells in turn positioned between first and second metal brackets such that each cell contacts an insulation pad on one side and a metal bracket on the other. Also included are a pair of pressure plates at the ends of the stack of side-by-side pouch cells and a compression band wrapping around the plurality of side-by-side pouch cells and the pressure plates. A busbar electrically connects the plurality of side-by-side pouch cells together. 1. A battery module , comprising: a first bracket,', 'a second bracket,', 'a pair of cells positioned between the first and second brackets, and', 'an insulation pad positioned between the pair of cells;, 'a plurality of pouch cell modules positioned together side-by-side, wherein each pouch cell module comprisesa busbar electrically connecting the plurality of side-by-side pouch cell modules together;a pair of pressure plates, with one pressure plate disposed on each side of the battery module;at least one compression band wrapped around the plurality of side-by-side pouch cells and the pair of pressure plates;a top cover spanning across the tops of the plurality of side-by-side pouch cell modules; anda bottom cover spanning across the bottoms of the plurality of side-by-side pouch cell modules.2. The battery module of claim 1 , further comprising:a slave board connected to one of the pressure plates at an end of the battery module.3. The battery module of claim 1 , wherein each of the cells have top and bottom tabs and wherein the top and bottom tabs are fastened together.4. The battery module of claim 3 , wherein the busbar is welded to the top and bottom tabs of the cells.5. The battery module of claim 1 , wherein the first bracket has longitudinally extending side edges and the second bracket is positioned between the longitudinally extending side ...

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Номер записи: 92
11-02-2016 дата публикации

BATTERY PRODUCTION METHOD AND BATTERY MODULE

Номер: US20160043366A1
Автор: SUZUKI Toru
Принадлежит: NEC ENERGY DEVICES, LTD.

A battery production method includes: preparing a battery element in which a positive electrode that includes a positive electrode current collector tab, and a negative electrode that includes a negative electrode current collector tab are stacked or wound through a separator; connecting a positive electrode pulled-out tab to the positive electrode current collector tab and connecting a negative electrode pulled-out tab to the negative electrode current collector tab; enclosing the battery element, positive electrode current collector tab and negative electrode current collector tab in a flexible exterior member, with the positive electrode pulled-out tab and negative electrode pulled-out tab being pulled out; forming a reference portion on the exterior member; and boring, in the positive electrode pulled-out tab and negative electrode pulled-out tab being pulled out of the exterior member, holes that are to be used for fixation, based on the reference portion after formation. 123-. (canceled)24. A battery production method comprising:preparing a battery element in which a positive electrode that includes a positive electrode current collector tab, and a negative electrode that includes a negative electrode current collector tab are stacked or wound through a separator;connecting a positive electrode pulled-out tab to the positive electrode current collector tab and connecting a negative electrode pulled-out tab to the negative electrode current collector tab;enclosing the battery element, positive electrode current collector tab and negative electrode current collector tab in a flexible exterior member, with the positive electrode pulled-out tab and negative electrode pulled-out tab being pulled out;forming a reference portion on the exterior member; andboring, in the positive electrode pulled-out tab and negative electrode pulled-out tab being pulled out of the exterior member, holes that are to be used for fixation, based on the reference portion after said ...

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Номер записи: 93
09-02-2017 дата публикации

SECONDARY BATTERY AND METHOD FOR FABRICATING THE SAME

Номер: US20170040635A1
Автор: CHOI Hang-June, Choi Mi-Geum, Mun Jeong-O
Принадлежит: LG CHEM, LTD.

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 ...

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Номер записи: 94
08-02-2018 дата публикации

INDIRECT BATTERY PRESSURE MEASUREMENT

Номер: US20180040926A1
Автор: Gernert Daniel, Keser Goran, Roemmelmayer Christopher
Принадлежит:

Embodiments described herein relate to a battery cells and methods for measuring internal pressure in a battery cell. According to one embodiment, a battery cell includes an interior space, in which a battery electrolyte resides, and a housing that gas-tightly encloses the interior space. The battery cell further includes a gas-tight sealed measurement chamber, which is separated from the interior space by a deformable membrane, in which a pressure sensor is arranged. 1. A battery cell comprising:an interior space, in which a battery electrolyte resides;a housing enclosing the interior space gas-tightly;a gas-tight sealed measurement chamber, which is separated from the interior space by a deformable membrane; anda pressure sensor arranged in the measurement chamber.2. The battery cell of claim 1 ,wherein the deformable membrane is arranged between the interior space of the battery cell and the measurement chamber, the membrane being configured to bulge dependent on a pressure difference between the interior space of the battery cell and the measurement chamber, and the volume available in the measurement chamber depending on the bulging of the membrane.3. The battery cell of claim 1 ,wherein the measurement chamber includes a gas atmosphere.4. The battery cell of claim 3 ,wherein the gas atmosphere includes at least one of: air, nitrogen, inert gas.5. The battery cell of claim 3 ,wherein the membrane is configured to transform a pressure variation in the interior space into a pressure variation in the gas atmosphere within the measurement chamber.6. The battery cell of further comprising:a proximity sensor arranged in the measurement chamber such that it is actuated by the deformable membrane when the deformation of the deformable membrane reaches a defined value.7. The battery cell of claim 6 , wherein the proximity sensor is a mechanical switch arranged such that it is actuated when claim 6 , due to bulging of the deformable membrane claim 6 , the membrane ...

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Номер записи: 95
24-02-2022 дата публикации

POWER STORAGE MODULE, AND MANUFACTURING METHOD THEREFOR

Номер: US20220059912A1
Автор: Haga Nobuyasu, HAMAGUCHI Yohei, Hirose Takayuki, Nakamura Tomohiro, ODA Kyohei, Okumura Motoyoshi, TAKENAKA Yasuaki
Принадлежит:

A power storage module comprises: an electrode stacked body including a stacked body in which a plurality of bipolar electrodes are stacked, a pair of terminal electrodes located on an outer side of the stacked body in a stacking direction of the bipolar electrodes, and a plurality of metal plates which constitute the stacked body and the pair of terminal electrodes; and a sealing body provided to surround a side surface of the electrode stacked body. The sealing body includes a plurality of first sealing portions coupled to edge portions of the plurality of metal plates, and a second sealing portion that couples the first sealing portions to each other. A thickness adjustment member that adjusts the thickness of the electrode stacked body in the stacking direction is disposed in the electrode stacked body at a position of overlapping the first sealing portions when viewed from the stacking direction. 1. A power storage module comprising:an electrode stacked body that includes a stacked body in which a plurality of bipolar electrodes are stacked, a pair of terminal electrodes located on an outer side of the stacked body in a stacking direction of the bipolar electrodes, and a plurality of metal plates which constitute the stacked body and the pair of terminal electrodes; anda sealing body that is provided to surround a side surface of the electrode stacked body,wherein the sealing body includes a plurality of first sealing portions coupled to edge portions of the plurality of metal plates, and a second sealing portion that couples the first sealing portions to each other,a thickness adjustment member that adjusts the thickness of the electrode stacked body in the stacking direction is disposed in the electrode stacked body at a position of overlapping the first sealing portions when viewed from the stacking direction.2. The power storage module according to claim 1 ,wherein the thickness adjustment member is formed from the same material as in the first sealing ...

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Номер записи: 96
07-02-2019 дата публикации

REFERENCE ELECTRODE STRUCTURES FOR LITHIUM CELLS

Номер: US20190044097A1
Автор: Liu Helen, Que Xiaochao, Wu Samson, Yu Zhiqiang
Принадлежит:

Some lithium-ion batteries are assembled using a plurality of electrically interconnected battery pouches to obtain the electrical potential and power requirements of the battery application. Such battery pouches may be prepared to contain a stacked grouping, or a wound grouping, of inter-layered and interconnected anodes, cathodes, and separators, each wetted with a liquid electrolyte. A reference electrode, an optional auxiliary reference electrode, and adjacent enclosing modified working electrodes are combined in a specific arrangement and inserted within the stack structure, or the wound structure, of other cell members to enable accurate assessment of both anode group and cathode group performance, and to validate and regenerate reference electrode capability. 1. An assembled linear stack of electrochemical cell members for a lithium-ion battery , the assembled linear stack comprising:five to sixty lithium-ion cell, flat-layer, anode members, with opposing anode material layer faces, alternately interspersed in a linear stack with one less lithium-ion cell, flat-layer, cathode members with opposing cathode material layer faces, the flat-layer anode and cathode members having like face shapes, the face of each anode member being coextensively separated from the face of an adjacent cathode member in the linear stack by a porous separator layer member, each anode member comprising a copper foil or an aluminum foil current collector coated on both foil faces with a layer of porous lithium-ion cell anode material and each cathode member comprising an aluminum foil current collector layer coated on both foil faces with a layer of porous lithium-ion cell cathode material, the linear stack having a three-layer anode member at each end of the linear stack; the assembled linear stack further comprising a reference electrode assembly, inserted between an intermediate anode member and an otherwise adjoining intermediate cathode member within the linear stack between the ...

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Номер записи: 97
07-02-2019 дата публикации

Traction battery assembly having multipiece busbar module

Номер: US20190044119A1
Автор: Daniel Paul Roberts, Francisco Fernandez-Galindo, Steven Droste
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

A traction battery includes cells stacked in an array and having terminals, and endplates sandwiching the array. A busbar module extends between the endplates and includes slots and busbars interleaved along a length of the busbar module. The terminals extend through the slots and connect to the busbars. The busbar module includes a pair of end pieces and a center piece that are separately formed and secured together by connection features.

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Номер записи: 98
07-02-2019 дата публикации

FABRICATING METHOD OF ELECTRODE ASSEMBLY AND ELECTROCHEMICAL CELL CONTAINING THE SAME

Номер: US20190044125A1
Автор: Ban Jin Ho, KO Myung Hoon, Lee Hyang Mok, PARK Ji Won, You Seung Jae
Принадлежит: LG CHEM. LTD.

A fabricating method of an electrode assembly according to the present invention includes forming a radical unit having a four-layered structure obtained by stacking a first electrode, a first separator, a second electrode, and a second separator one by one, and stacking at least one radical unit one by one to form a unit stack part. 1. A fabricating method of an electrode assembly comprising:forming a radical unit having a four-layered structure obtained by stacking a first electrode, a first separator, a second electrode, and a second separator one by one, wherein forming the radical unit includes:step 1, coating the first and second separators with a coating material having adhesiveness by coating both sides of the first separator and coating both sides of the second separator;step 2, cutting the first electrode and the second electrode;step 3, attaching the first electrode, the first separator, the second electrode, and the second separator to each other simultaneously by bringing the first electrode, the first separator, the second electrode and the second separator into a parallel orientation such that the coated sides of the first separator face the first electrode and the second electrode and that one of the coated sides of the second separator faces the second electrode; andstep 4, cutting the first separator and the second separator so as to be longer than the first electrode and the second electrode; andstacking at least two radical units one by one to form a unit stack part.2. The fabricating method of an electrode assembly of claim 1 , wherein an attachment of the first electrode claim 1 , the first separator claim 1 , the second electrode claim 1 , and the second separator is conducted by pressurizing or by applying pressure and heat.3. The fabricating method of an electrode assembly of claim 1 , wherein the coating material is a mixture of inorganic particles and a binder polymer.4. The fabricating method of an electrode assembly of claim 1 , wherein ...

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Номер записи: 99
16-02-2017 дата публикации

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

Номер: US20170047571A1
Автор: Mizuo Iwasaki, Takeshi Araya, Yasushi Mochida
Принадлежит: Sumitomo Electric Industries Ltd

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

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Номер записи: 100