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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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Применить Всего найдено 7084. Отображено 100.
14-03-2013 дата публикации

GASKET

Номер: US20130065158A1
Автор: Koga Shotaro, Kurano Yoshihiro, Masaka Takeshi
Принадлежит: NOK CORPORATION

Provided is a gasket which can improve a handling property of the gasket by enhancing a rigidity of a carrier, can secure a space saving without increasing a thickness of the gasket, and can improve a yield ratio of a resin material, in the gasket of a type that a gasket body is integrated with the resin carrier. A planar gasket used by being pinched between two members superposed with each other has a gasket body achieving a seal action, and a carrier retaining the gasket body, the carrier is formed as a predetermined planar shape by a metal mold with a resin material, and is formed as a stepped shape by setting a partial portion which is superposed with the gasket body on a plane to a thin portion, and setting the other portion which is not superposed with the gasket body on the plane to a thick portion. 17.-. (canceled)8. A planar gasket which is used by being pinched between two members which are superposed with each other , the gasket comprising:a gasket body which achieves a seal action; anda carrier which retains said gasket body,wherein said carrier is formed as a predetermined planar shape by a metal mold with a resin material, and is formed as a stepped shape by setting a partial portion which is superposed with said gasket body on a plane to a thin portion, and setting the other portion which is not superposed with said gasket body on the plane to a thick portion, andwherein said gasket body has a portion which is superposed with said thin portion in said carrier on the plane and a portion which is not superposed therewith, and a seal lip is provided at the former portion which is superposed among them.9. A gasket as claimed in claim 8 , wherein said gasket body is formed by injection molding a non-adhesive rubber after applying an adhesive agent to said carrier claim 8 , or by injection molding an adhesive rubber without applying any adhesive agent to said carrier.10. A gasket as claimed in claim 8 , wherein said gasket body is formed by injection ...

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Номер записи: 1
21-03-2013 дата публикации

SEALED BATTERY AND METHOD FOR MANUFACTURING THE SAME

Номер: US20130067727A1
Автор: Nansaka Kenji, Nohma Toshiyuki, Yamauchi Yasuhiro
Принадлежит: SANYO ELECTRIC CO., LTD.

A sealed battery includes a sealing plate sealing a mouth of an outer can, an external terminal attached to the sealing plate and having a connecting terminal and a current interruption mechanism interrupting current in response to pressure increase in the outer can that is installed in a conductive pathway electrically connecting the connecting terminal and an electrode assembly. In the connecting terminal a through-hole continuing to the space on the current interruption mechanism at the side corresponding to the outside of the battery is formed. The through-hole is sealed with a terminal stopper made of an elastic member so as to form a closed space between the terminal stopper and current interruption mechanism An electrolyte or washing solution hardly enters the current interruption mechanism during the manufacture can be provided. 1. A method for manufacturing a sealed battery including an outer can having a mouth , an electrode assembly having a positive electrode plate and a negative electrode plate , and a sealing plate having an external terminal having a connecting terminal with a through-hole , comprising:attaching a current interruption mechanism to the connecting terminal to seal one end of the through-hole;flowing a gas from the other end of the through-hole to examine air leakage between the connecting terminal and the current interruption mechanism; andsealing the though-hole.2. The method for manufacturing a sealed battery according to claim 1 , whereinthe through-hole is sealed by inserting a terminal stopper into the through-hole.3. The method for manufacturing a sealed battery according to claim 2 , whereinthe terminal stopper includes an elastic member.4. The method for manufacturing a sealed battery according to claim 1 , whereinthe terminal stopper composed of an elastic member and a metal plate is used;the terminal stopper made of the elastic member is inserted into the through-hole; andthe metal plate is welded to the connecting terminal.5. ...

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Номер записи: 2
21-03-2013 дата публикации

POUCH-TYPE BATTERY WITH IMPROVED SAFETY BY COATING SEALING UNIT WITH FLAME RETARDANT AND HEAT RESISTANT RESIN COMPOSITION PREPARED BY MIXING FLAME RETARDANT MATERIAL AND HEAT RESISTANT MATERIAL TO THERMOPLASTIC RESIN OR THERMOSETTING RESIN AND PRODUCTION METHOD THEREOF

Номер: US20130071696A1
Автор: Cho Myung-Hun, Kang Seog-Bum, Kim Chi-Su, Lee Heon-Young
Принадлежит: EIG LTD.

The present invention relates to a pouch-type lithium secondary battery comprising: an electrode assembly which includes an anode, a separator, and a cathode; and a pouch which has a groove for accommodating the electrode assembly and an edge of which the upper and lower parts are formed in a flange type by being bonded around the groove, wherein in at least a part of the edge that is formed in the flange type, an end of the edge is covered by a flame retardant and heat resistant resin composition wherein a flame retardant material and a heat resistant material are mixed to a thermoplastic resin or a thermosetting resin, thereby improving safety. 1. A pouch-type lithium secondary battery with improved safety comprising: an electrode assembly which includes an anode , a separator and a cathode; and a pouch which has a groove for accommodating the electrode assembly and an edge formed in a flange type by being bonded around the groove , wherein in at least a part of the edge , an end of the edge is covered by a flame retardant and heat resistant resin composition prepared by mixing a flame retardant material and a heat resistant material to a thermoplastic resin or a thermosetting resin.2. The pouch-type lithium secondary battery with improved safety of claim 1 , wherein the flame retardant and heat resistant resin composition prepared by mixing the flame retardant material and the heat resistant material to the thermoplastic resin or the thermosetting resin is formed to cover the entire end of the edge except for parts where electrode taps installed on the anode and the cathode are extracted in the pouch.3. The pouch-type lithium secondary battery with improved safety of claim 1 , wherein the flame retardant and heat resistant resin composition prepared by mixing the flame retardant material and the heat resistant material to the thermoplastic resin or the thermosetting resin is formed to a flame retardant and heat resistant tape.4. The pouch-type lithium secondary ...

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Номер записи: 3
21-03-2013 дата публикации

COVER MEMBER AND POWER SOURCE HAVING THE SAME

Номер: US20130071721A1
Автор: MOCHIZUKI Kiyotaka, OGASAWARA Shigeyuki, SATO Katsunori
Принадлежит: Yazaki Corporation

A cover member is attached to a bus bar module. The bus bar module includes: a plurality of bus bars respectively connecting batteries adjacent to each other of a battery assembly composed of a plurality of batteries overlapped with each other; a main body to which the bus bars are attached, and overlapped with the battery assembly; a plurality of positioning projections and a plurality of locking portions provided on the main body. The cover member includes: a plurality of cover portions arranged in parallel to an overlapping direction X of the batteries, and covering the bus bars; and a plurality of elastically deforming portions movably connecting the cover portions adjacent to each other. Each of the cover portions includes: a positioning hole into which the positioning projection is inserted; and a lock receiving portion with which the locking portion is locked. 1. A cover member attached to a bus bar module which comprises:a plurality of bus bars connecting a plurality of batteries in series by connecting batteries adjacent to each other of a battery assembly composed of the batteries overlapped with each other;a main body to which the bus bars are attached, and overlapped with the battery assembly;a plurality of positioning projections projected from the main body; anda plurality of locking portions provided on the main body,said cover member comprising:a plurality of cover portions arranged in parallel to an overlapping direction of the batteries, and covering the bus bars; anda plurality of elastically deforming portions movably connecting the cover portions adjacent to each other,wherein each of said cover portions comprises:a positioning hole into which each of the positioning projection is inserted and formed in a shape to allow the positioning projection to be movable in the overlapping direction of the batteries; anda lock receiving portion with which the locking portion is locked.2. The cover member as claimed in claim 1 ,wherein the main body ...

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Номер записи: 4
21-03-2013 дата публикации

Secondary Battery

Номер: US20130071728A1
Автор: Kajiwara Kouichi, Shibanuma Hideyuki
Принадлежит:

A highly-reliable secondary battery is provided. The secondary battery is configured as below. A battery lid is formed with a cylindrical projection projecting toward an insulating member The cylindrical projection is secured to the insulating member (a caulking portion A) by caulking so as to be bent outwardly at a position inside a projecting insertion hole formed in the insulating member A tip portion of a connecting pin inserted through the pin insertion hole is caulked (a caulking portion ) to establish conduction between the connecting pin and an external terminal and to secure the external terminal the insulating member a gasket and the connecting pin to the battery lid Thus, a terminal portion does not turn. 1. A secondary battery comprising:a closed-bottom metallic battery can for housing a power generating element;a metallic battery lid for sealing an opening of the battery can, the battery lid being formed with a through-hole for leading out a terminal; anda terminal portion installed on the battery lid, the terminal portion including a plate-like external terminal formed with a through-hole, an insulating member for electrically insulating the battery lid and the external terminal from each other, the insulating member being formed with a through-hole, and a pin-like conductive member electrically connected to an electrode plate constituting the power generating element, the conductive member being inserted through, in the following order, respective through-holes formed in the battery lid, the insulating member and the external terminal;wherein the battery lid is formed with a first projection projecting toward the insulating member, with the first projection being fixed to a concave portion or a hole portion by caulking, the concave portion or the hole portion being formed in the insulating member in association with the position where the first projection is formed; andwherein a tip portion of the conductive member inserted through the through-hole is ...

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Номер записи: 5
28-03-2013 дата публикации

FILM-PACKAGED ELETRIC DEVICE

Номер: US20130078507A1
Автор: Mizuta Masatomo, Noda Shunji
Принадлежит: NEC Corporation

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

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Номер записи: 6
04-04-2013 дата публикации

LITHIUM ION BATTERY

Номер: US20130084475A1
Автор: GU Huijun
Принадлежит:

A lithium ion battery including a lithium ion battery core, a cylindrical aluminum shell, a positive guide needle of the anode, a negative guide needle of the cathode, a rubber seal having a circular recess in the outside of the side wall, and a sealing band. The battery core is arranged within the shell. The positive and negative guide needles are led out from under the seal. The battery core together with the rubber seal is sealed in the shell via the sealing band which is molded from an insulated moldable material by rolling. The sealing band is applied only to the top portion of the shell, the side wall of the seal, and the edge of the top wall of the seal. The bottom wall of the shell is provided with a pressure relief valve. 2. The lithium ion battery of claim 1 , wherein the positive guide needle of anode and the negative guide needle of cathode are respectively riveted to an anode ear and a cathode ear.3. The lithium ion battery of claim 1 , wherein said pressure relief valve is X-shaped or Y-shaped.5. The lithium ion battery of claim 4 , wherein the positive guide needle of anode and the negative guide needle of cathode are respectively riveted to an anode ear and a cathode ear.6. The lithium ion battery of claim 4 , wherein said pressure relief valve is X-shaped or Y-shaped.7. In a method for making a lithium ion battery claim 4 , the battery comprising: a) a battery core; b) a cylindrical shell for containing said battery core; said cylindrical shell being made of aluminum; and said cylindrical shell comprising a bottom wall claim 4 , an opening claim 4 , and a first cylindrical side wall having an upper portion being disposed around said opening and a lower portion; c) a positive guide needle of an anode; d) a negative guide needle of a cathode; e) a rubber plug for confining said battery core in said cylindrical shell; said positive guide needle of the anode and said negative guide needle of the cathode being led out from under said rubber plug; said ...

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Номер записи: 7
11-04-2013 дата публикации

Surface-Treated Metal Sheet and Process for Producing Formed Article from the Surface-Treated Metal Sheet

Номер: US20130086971A1
Автор: Tomomori Tatsuo, Yoshioka Koh
Принадлежит: TOYO KOHAN CP., LTD.

Provided are a surface-treated metal sheet which includes a nickel layer having improved corrosion resistance and a method of manufacturing a formed article. In a surface-treated metal sheet where a nickel layer is formed on a substrate, the proportion of (200) planes to a total of (111) planes, (200) planes, (220) planes and (311) planes with respect to the crystal plane orientations of the nickel layer is set to 40% or less. In a method of manufacturing a formed article using a surface-treated metal sheet where a nickel layer is formed on a substrate, the surface-treated metal sheet having the nickel layer where the proportion of (200) planes to a total of (111) planes, (200) planes, (220) planes and (311) planes is set to 40% or less with respect to the crystal plane orientations of the nickel layer is worked using a mold. 1. A surface-treated metal sheet where a nickel layer is formed on a substrate , wherein an orientation rate of (200) planes with respect to the crystal plane orientations of the nickel layer is set to 40% or less.2. The surface-treated metal sheet according to claim 1 , wherein the nickel layer is a dull nickel layer.3. The surface-treated metal sheet according to claim 1 , wherein a metal layer is formed as a layer below the nickel layer.4. The surface-treated metal sheet according to claim 1 , wherein a metal layer is formed as a layer above the nickel layer.5. The surface-treated metal sheet according to claim 1 , wherein the substrate is a steel sheet.6. The surface-treated metal sheet according to claim 5 , wherein the surface-treated metal sheet is a steel sheet for forming a battery can.7. The surface-treated metal sheet according to claim 5 , wherein the surface-treated metal sheet is a steel sheet for forming a pipe.8. A method of manufacturing a formed article using a surface-treated metal sheet where a nickel layer is formed on a substrate claim 5 , wherein the surface-treated metal sheet having the nickel layer where an orientation ...

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Номер записи: 8
11-04-2013 дата публикации

BATTERY AND METHOD OF MANUFACTURING BATTERY

Номер: US20130089766A1
Автор: Sasaki Takeshi
Принадлежит: GS Yuasa International Ltd.

The present invention maintains a power generating element in a flat shape as far as possible to thereby improve workability in a manufacturing process. In a battery including a power generating element formed into a flat shape and housed in a container, the power generating element formed by winding a foil-shaped positive electrode plate 24and a foil-shaped negative electrode plate 24with separator 25 sandwiched therebetween, about a winding core 21 having flexibility, a thin-plate-shaped member TP having higher rigidity than the winding core is attached to at least one of opposite end portions in a direction of a winding axis of the winding core 21. 1. A battery comprising a power generating element formed into a flat shape and housed in a container , the power generating element formed by winding a foil-shaped positive electrode plate and a foil-shaped negative electrode plate , with a separator sandwiched therebetween , about a winding core having flexibility ,wherein a thin-plate-shaped member having higher rigidity than the winding core is attached to at least one of opposite end portions in a direction of a winding axis of the winding core.2. The battery according to claim 1 , wherein the thin-plate-shaped is bent together with the winding core claim 1 , at least to a bent portion of at least one of the opposite end portions in the direction of the winding axis of the winding core.3. The battery according to claim 1 , wherein a non-coating portion not applied with an active material is formed at one of end portions in a width direction of at least one of the foil-shaped positive electrode plate and the foil-shaped negative electrode plate claim 1 ,the non-coating portion is in the state of protruding in the direction of the winding axis from the separator and is wound about the winding core, andthe non-coating portions are bundled and fixed to the thin-plate-shaped member.4. The battery according to claim 3 , wherein the thin-plate-shaped members are attached ...

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Номер записи: 9
11-04-2013 дата публикации

CURRENT COLLECTOR HAVING BUILT-IN SEALING MEANS, AND BIPOLAR BATTERY INCLUDING SUCH A COLLECTOR

Номер: US20130089774A1
Автор: Chami Marianne
Принадлежит: Commissariat a l"energie atomique et aux energies alternatives

In lithium bipolar batteries, to improve sealing against electrolytes between adjacent electrochemical cells, mixed current collector-electrode supports are produced, in a form of a metal grate or raised metal sheet housed in a strip made of electrical insulator material, the function of the periphery of which is to constitute a sealing area. 121-. (canceled)22. A device for a lithium electrochemical generator , comprising:a strip made of electrical insulator material including at least one polymer and one metal grate, or one raised metal sheet, forming a current collector, housed in the strip, flush on both its faces,the periphery of the strip having no grate or raised sheet, andat least one of two flush portions of the grate or the raised sheet being covered with an electrode made of lithium insertion material.23. The device according to claim 22 , in which a majority polymer constituting the strip is a polyolefin.24. The device according to claim 23 , in which the strip includes at least one other polymer claim 23 , wherein the other polymer is interposed between the polyolefin and the current collector to improve attachment between them.25. The device according to claim 24 , in which the other polymer is chosen from among a polyester or a polyurethane.26. The device according to claim 23 , in which the strip includes at least one adherence promoter claim 23 , wherein the adherence promoter is interposed between the polyolefin and the current collector to improve attachment between them.27. The device according to claim 22 , in which a majority polymer constituting the strip is a two-component resin.28. The device according to claim 22 , in which the current collector is made of aluminium.29. The device according to claim 22 , in which the current collector is a grate or electroplated raised sheet at a surface of another metal.30. The device according to claim 22 , in which the grate has a regular mesh.31. The device according to claim 22 , in which the current ...

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Номер записи: 10
18-04-2013 дата публикации

ENERGY STORAGE CELL

Номер: US20130095368A1
Автор: Birke Peter, Böse Olaf, Keller Michael, Schiemann Michael, Schweiger Hans-Georg
Принадлежит: Continental Automotive GmbH

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

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Номер записи: 11
18-04-2013 дата публикации

ELECTRICAL PART, NONAQUEOUS ELECTROLYTE CELL, AND LEAD WIRE AND SEALABLE CONTAINER FOR USE THEREIN

Номер: US20130095375A1
Автор: Fukuda Yutaka, Hayami Hiroshi, Sugiyama Hiroyasu
Принадлежит: Sumitomo Electric Industries, Ltd.

Provided is an electrical part, a nonaqueous electrolyte cell, and a lead wire and a sealable container for use therein, with which the adhesive property and sealing performance in an initial state and in an electrolyte-contacting state are enhanced. An electrical part includes a sealable container that includes a metal layer and a lead conductor that extends from inside of the sealable container to outside of the sealable container, the sealable container and the lead conductor being heat-sealed in a seal part. At least in part of the seal part, a thermal adhesive layer containing aluminum polyphosphate is provided in a portion between the metal layer and the lead conductor so as to be in contact with the lead conductor. 1. An electrical part comprising a sealable container that includes a metal layer and a lead conductor that extends from inside of the sealable container to outside of the sealable container , the sealable container and the lead conductor being heat-sealed in a seal part ,wherein, at least in part of the seal part, a thermal adhesive layer containing aluminum polyphosphate is provided in a portion between the metal layer and the lead conductor so as to be in contact with the lead conductor.2. The electrical part according to claim 1 , wherein the thermal adhesive layer is composed of a resin composition containing 1 to 33 parts by mass of aluminum polyphosphate per 100 parts by mass of an acid modified polyolefin.3. The electrical part according to claim 1 , wherein the aluminum polyphosphate has an average particle diameter of 0.1 to 10 μm.4. A nonaqueous electrolyte cell comprising a sealable container that includes a metal layer claim 1 , a lead conductor that extends from inside of the sealable container to outside of the sealable container claim 1 , an electrolyte sealed inside the sealable container claim 1 , and an electrode sealed inside the sealable container and connected to an end of the lead conductor claim 1 , the sealable container ...

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Номер записи: 12
25-04-2013 дата публикации

Electricity supply system and electricity supply element thereof

Номер: US20130101872A1
Автор: Szu-Nan Yang
Принадлежит: Prologium Holding Inc

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

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Номер записи: 13
25-04-2013 дата публикации

FLEXIBLE BATTERY AND METHOD FOR PRODUCING THE SAME

Номер: US20130101884A1
Автор: Ueda Tomohiro
Принадлежит: Panasonic Corporation

Disclosed is a flexible battery including a sheet-like electrode group, an electrolyte, and a housing with flexibility enclosing the electrode group and electrolyte. The housing includes a film material folded into two in which the electrode group is inserted. The film material has two facing portions respectively facing two principal surfaces of the electrode group, a fold line which is between the two facing portions and along which the film material is folded, and two bonding margins respectively set around the two facing portions. The two bonding margins are bonded to each other into a bonded portion. At least the two facing portions of the film material are formed in a corrugated shape having a plurality of ridge and valley lines arranged in parallel to each other. The ridge lines in one of the two facing portions are overlapped with the valley lines in the other. The fold line is parallel to the ridge and valley lines. 1. A flexible battery comprising a sheet-like electrode group , an electrolyte , and a housing with flexibility enclosing the electrode group and the electrolyte , whereinthe housing includes a film material folded into two in which the electrode group is inserted;the film material has two facing portions respectively facing two principal surfaces of the electrode group, a fold line which is between the two facing portions and along which the film material is folded, and two bonding margins respectively set around the two facing portions;the two bonding margins are bonded to each other into a bonded portion;at least the two facing portions of the film material are formed in a corrugated shape having a plurality of ridge lines and a plurality of valley lines arranged in parallel to each other, and the ridge lines in one of the two facing portions are overlapped with the valley lines in the other of the two facing portions; andthe fold line is parallel to the ridge lines and the valley lines.2. The flexible battery according to claim 1 , ...

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Номер записи: 14
02-05-2013 дата публикации

REVERSIBLE BATTERY ASSEMBLY AND TOOLING FOR AUTOMATED HIGH VOLUME PRODUCTION

Номер: US20130104390A1
Автор: Lin Yhu-tin, Zhao Xiang
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

A battery module includes a plurality of battery cells arranged in a stack, each of the battery cells including a pair of spaced apart tabs extending therefrom, a rigid support plate coupled to at least one of the tabs, and a busbar coupled to at least one of the tabs of each of a pair of adjacent battery cells. 1. An apparatus for assembling a battery module having a plurality of battery cells , the apparatus comprising:a base;a grill carrier moveable relative to the base; anda grill rod coupled to the grill carrier, the grill rod having a main body with a longitudinal axis generally parallel to the base.2. The apparatus according to claim 1 , further comprising a support plate disposed on the base to support a tab of one of the battery cells during assembly of the battery module.3. The apparatus according to claim 1 , wherein the grill rod includes a wedge-shaped lead.4. The apparatus according to claim 1 , wherein the grill rod includes a keyway slot formed therein.5. The apparatus according to claim 4 , wherein the keyway slot is formed along the longitudinal axis of the grill rod.6. A method for assembling a battery module claim 4 , the method comprising the steps of:providing an apparatus having a base, a grill carrier moveable relative to the base, and a grill rod coupled to the grill carrier, the grill rod having a main body with a longitudinal axis generally parallel to the base;disposing a plurality of battery cells on the base in a stacked relationship, each of the battery cells having a pair of tabs extending therefrom;moving the grill carrier toward the battery cells to dispose the grill rod between at least one tab of each of an adjacent pair of the battery cells; andcoupling a busbar to the at least one tab of each of an adjacent pair of the battery cells.7. The method according to claim 6 , wherein at least one of the tabs includes a support plate coupled thereto.8. The method according to claim 7 , wherein the support plate includes a key protruding ...

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Номер записи: 15
02-05-2013 дата публикации

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

Номер: US20130108911A1
Автор: Yeh Sheng-Fa
Принадлежит: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

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

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Номер записи: 16
02-05-2013 дата публикации

ELECTRICAL PART, NONAQUEOUS ELECTROLYTE CELL, AND LEAD WIRE AND SEALABLE CONTAINER WHICH ARE USED THEREIN

Номер: US20130108915A1
Автор: Fukuda Yutaka, Hayami Hiroshi, Sugiyama Hiroyasu
Принадлежит: Sumitomo Electric Industries, Ltd.

Provided are an electrical part, a nonaqueous electrolyte cell, and a lead wire and a sealable container which are used therein. The electrical part includes a sealable container having a metal layer, and a lead conductor extending from the inside to the outside of the sealable container, the sealable container and the lead conductor being fusion-bonded at a sealing portion, in which the sealing portion at least partially has a layer composed of a polyallylamine at a part between the metal layer and the lead conductor and in contact with the lead conductor, and therefore, adhesion and sealing properties can be enhanced in the initial state and in a state of being in contact with an electrolytic solution. 1. An electrical part comprising:a sealable container having a metal layer; anda lead conductor extending from the inside to the outside of the sealable container, the sealable container and the lead conductor being fusion-bonded at a sealing portion,the electrical part being characterized in that the sealing portion at least partially has a layer composed of a polyallylamine at a part between the metal layer and the lead conductor and in contact with the lead conductor.2. The electrical part according to claim 1 , characterized in that the polyallylamine has sulfur dioxide in its molecular structure.3. The electrical part according to claim 1 , characterized in that the polyallylamine includes diallylamine as a polymerizable component.4. A nonaqueous electrolyte cell comprising:a sealable container having a metal layer;a lead conductor extending from the inside to the outside of the sealable container;a nonaqucous electrolyte enclosed inside the sealable container; andan electrode enclosed inside the sealable container and connected to an end of the lead conductor, the sealable container and the lead conductor being fusion-bonded at a sealing portion,the nonaqueous electrolyte cell being characterized in that the sealing portion at least partially has a layer ...

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Номер записи: 17
02-05-2013 дата публикации

ELECTROCHEMICAL DEVICE

Номер: US20130108917A1
Автор: Ishida Katsuei, Kawai Yuki
Принадлежит:

An electrochemical device free of any void connecting the inside and outside of a film package upon reflow soldering may be provided. Electrochemical device RB according to one embodiment comprises film package having terminal-sealing sections electric storage element seal auxiliary members terminals each electrically connected to the electric storage element at one end and led out of the film package via the corresponding terminal-sealing section at the other end. The film package is provided with support member on its front edge. Provided on a part of the terminals are heat seal auxiliary members the rear ends of which are integrated with the terminal-sealing section by thermal fusion bonding. The other end of the heat seal auxiliary member projects outwardly from the terminal-sealing section so as to be disposed on the support member 1. An electrochemical device comprising:a film package formed from one, or more laminate films each having a heat seal layer, the film package having a terminal-sealing section formed by integrating heat seal layers of said one or more laminate films with one another by thermal fusion bonding;an electric storage element enclosed in the film package;one or more terminals electrically connected, at one end, to the electric storage element, the other end of said one or more terminals being led out from the film package through the terminal-sealing section;wherein the front edge of one of the integrated laminate films is projected from the front edge of the other integrated laminate films so that the projected portion of said one of the integrated laminate films defines a support member;wherein each of said one or more terminals is provided with a heat seal auxiliary member formed of a material identical to that of the heat seal layer such that the heat seal auxiliary member surrounds a part of the corresponding terminal, one end of the heat seal auxiliary member being disposed in the terminal-sealing section and being integrated with ...

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Номер записи: 18
16-05-2013 дата публикации

LITHIUM CELLS AND BATTERIES WITH IMPROVED STABILITY AND SAFETY, METHOD FOR THE PRODUCTION THEREOF, AND APPLICATION IN MOBILE AND STATIONARY ELECTRICAL ENERGY ACCUMULATORS

Номер: US20130122330A1
Автор: Hoerpel Gerhard, Hoppe Dirk, Schuster Martin
Принадлежит: EVONIK DEGUSSA GmbH

The invention relates to a battery comprising an electrode separator arrangement filled with an electrolyte, characterised in that the electrode separator arrangement is at least partially covered with a casting compound (FIG. ). The invention also relates to a method for producing such a battery. 1. A battery , comprising an electrolyte and an electrode-separator arrangement , at least partly encased with a potting compound.2. The battery of claim 1 , wherein the electrode-separator arrangement has been wound or laid claim 1 , or has been stacked from at least two unit cells.3. The battery of claim 1 , wherein the potting compound comprises at least one casting resin selected from the group consisting of a polyurethan claim 1 , a one-component epoxy resin claim 1 , a two-component epoxy resin claim 1 , and a mixture thereof.4. The battery of claim 1 , wherein output conductors project at least partly out of a casing formed by the potting compound.5. The battery of claim 1 , wherein the electrode-separator arrangement claim 1 , which is situated within a casing formed by the potting compound claim 1 , is coupled mechanically with an electrical connection claim 1 , electromagnetically claim 1 , or both claim 1 , to at least one further functional element selected from the group consisting of a heat sink claim 1 , control electronics claim 1 , and an RFID element.6. A process for producing the battery of claim 1 , the process comprising:(a) securing at least one electrode-separator arrangement;(b) encasing the at least one electrode-separator arrangement with at least one reactant of a potting compound; and(c) curing, polymerizing, or both curing and polymerizing, the encased electrode-separator arrangement to obtain a battery.7. The process of claim 6 , further comprising claim 6 , after the securing (a):{'sub': '2', '(a2) compacting the at least one electrode-separator arrangement by pressurization with at least one inert gas selected from the group consisting of CO ...

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Номер записи: 19
16-05-2013 дата публикации

POWER STORAGE DEVICE AND MANUFACTURING METHOD THEREFOR

Номер: US20130122347A1
Автор: Ehara Yukio, Fukuda Yasutake, Harada Hiroyuki, Horikawa Keiji, Itaya Masaharu, Sawada Manabu, Ueba Yuusuke, UEDA Yasuhiko
Принадлежит: MURATA MANUFACTURING CO., LTD.

A power storage device having: a laminated body formed by providing a separator layer between a first electrode which is one of a cathode and an anode and a second electrode which is the other electrode; an electrolyte; and a package which houses the laminated body and the electrolyte. At least two first electrode composite sheets are included which are each obtained by integrating a first collector electrode, a first electrode active material layer provided on one principal surface of the first collector electrode, and a separator layer covering at least part of the one principal surface, and the other principal surface of the first collector electrode of one first electrode composite sheet out of the at least two first electrode composite sheets is opposed to, and bonded to, the other principal surface of the first collector electrode of the other first electrode composite sheet. 1. A power storage device , comprising:a laminated body having a first electrode and a second electrode;an electrolyte; anda package which houses the laminated body and the electrolyte,wherein at least one of the first electrode and the second electrode include at least two first electrode composite sheets, each of the at least two first electrode composite sheets including a first collector electrode, a first electrode active material layer on a first surface of the first collector electrode, and a first separator layer covering at least part of the first surface of the first collector electrode, andwherein, of the at least two first electrode composite sheets, the respective first surfaces of each of the first collector electrodes are opposed to, and bonded to, each other.2. The power storage device according to claim 1 , wherein the at least one of the first electrode and the second electrode further include a second electrode composite sheet comprising a second collector electrode claim 1 , a second electrode active material layer on a second surface of the second collector electrode ...

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Номер записи: 20
16-05-2013 дата публикации

BATTERY ELECTRODE, NONAQUEOUS ELECTROLYTE BATTERY, AND BATTERY PACK

Номер: US20130122348A1
Автор: Hoshina Keigo, INAGAKI Hiroki, ISHIBASHI Mitsuru, Iwasaki Takuya, Takami Norio, Yasuda Kazuhiro, Yoshida Yorikazu
Принадлежит:

According to one embodiment, a battery electrode includes an active material layer and a current collector is provided. The active material layer contains particles of a monoclinic β-type titanium complex oxide and particles of a lithium titanate having a spinel structure. When a particle size frequency distribution of particles contained in the active material layer is measured by the laser diffraction and scattering method, a first peak Pappears in a range of 0.3 μm to 3 μm and a second peak Pappears in a range of 5 μm to 20 μm in the frequency distribution diagram. The ratio F/Fof the frequency Fof the first peak Pto the frequency Fof the second peak Pis 0.4 to 2.3. 1. A battery electrode comprising an active material layer and a current collector , wherein;the active material layer contains particles of a monoclinic β-type titanium complex oxide and particles of a lithium titanate having spinel structure;{'sub': 1', '2, 'a first peak Pappears in a range of 0.3 μm to 3 μm and a second peak Pappears in a range of 5 μm to 20 μm in a particle size frequency distribution diagram when a particle size frequency distribution of particles contained in the active material layer is measured by the laser diffraction and scattering method; and'}{'sub': P1', 'P2', 'P1', '1', 'P2', '2, 'the ratio F/Fof the frequency Fof the first peak Pto the frequency Fof the second peak Pis 0.4 to 2.3.'}2. The battery electrode according to claim 1 , wherein;a peak P(020) appears in the range of 48.0° to 49.0° and a peak P(001) appears in the range of 12° to 16° in a powder X-ray diffraction diagram when the electrode is subjected to measurement by a powder X-ray diffractometry using a Cu-Kα ray source; and{'b': 1', '1, 'the ratio I(020)/I(001) of intensity I(020) of the peak P(020) to intensity I(001) of the peak P(001) is 0.89 to ..'}3. The battery electrode according to claim 1 , wherein the active material layer has a pore volume of 0.20 ml/g to 0.25 ml/g.4. The battery electrode ...

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Номер записи: 21
16-05-2013 дата публикации

ELECTRODE, NONAQUEOUS ELECTROLYTE BATTERY, AND BATTERY PACK

Номер: US20130122349A1
Автор: Hoshina Keigo, INAGAKI Hiroki, ISHIBASHI Mitsuru, Iwasaki Takuya, Takami Norio, Yasuda Kazuhiro, Yoshida Yorikazu
Принадлежит:

According to one embodiment, an electrode includes a current collector, an active material-containing layer, a first peak, a second peak and a pore volume. The active material-containing layer contains an active material having a lithium absorption potential of 0.4 V (vs. Li/Li) or more. The first peak has a mode diameter of 0.01 to 0.1 μm in a diameter distribution of pores detected by mercury porosimetry. The second peak has a mode diameter of 0.2 μm (exclusive) to 1 μm (inclusive) in the diameter distribution of pores. The pore volume detected by the mercury porosimetry is within a range of 0.1 to 0.3 mL per gram of a weight of the electrode excluding a weight of the current collector. 1. An electrode comprising:a current collector;{'sup': '+', 'an active material-containing layer formed on the current collector and containing an active material having a lithium absorption potential of 0.4 V (vs. Li/Li) or more;'}a first peak having a mode diameter of 0.01 to 0.1 μm in a diameter distribution of pores detected by mercury porosimetry;a second peak having a mode diameter of 0.2 μm (exclusive) to 1 μm (inclusive) in the diameter distribution of pores; anda pore volume detected by the mercury porosimetry within a range of 0.1 to 0.3 mL per gram of a weight of the electrode excluding a weight of the current collector.2. The electrode according to claim 1 ,wherein the active material comprises a titanium composite oxide having a monoclinic system β-type structure.3. The electrode according to claim 2 ,{'sup': '2', 'wherein a specific surface area detected by a BET method of the titanium composite oxide is within a range of 1 to 30 m/g.'}4. The electrode according to claim 2 ,wherein the titanium composite oxide is in a form of secondary particles comprising aggregation of fibrous primary particles.5. The electrode according to claim 4 ,wherein a diameter of the fibrous primary particles is within a range of 0.1 to 10 μm, and a diameter of the secondary particles is ...

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Номер записи: 22
16-05-2013 дата публикации

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Номер: US20130122354A1
Автор: Kida Yoshinori, Okita Kazunari, Sugimori Masanori
Принадлежит: SANYO ELECTRIC CO.,LTD.

It is an object to provide a nonaqueous electrolyte secondary battery whose battery characteristics can be considerably improved by considerably improving the dispersibility of a carbon conductive agent and forming a good conductive network, and a method for producing the nonaqueous electrolyte secondary battery. A polyvinylpyrrolidone polymer serving as a dispersant and a polyglycerin-condensed ricinoleic acid ester are mixed with N-methyl-2-pyrrolidone serving as a dispersion medium, and then acetylene black is added thereto to prepare a carbon slurry. Subsequently, a positive electrode active material and a binder are mixed with the carbon slurry to prepare a positive electrode active material slurry. A positive electrode is produced using the positive electrode active material slurry, and then a nonaqueous electrolyte secondary battery is produced using the positive electrode 1. A carbon slurry comprising N-methyl-2-pyrrolidone serving as a dispersion medium and a carbon conductive agent , a polyvinylpyrrolidone polymer serving as a dispersant , and a nonionic surfactant that are included in the N-methyl-2-pyrrolidone.2. The carbon slurry according to claim 1 , wherein the nonionic surfactant includes a fatty acid ester surfactant.3. The carbon slurry according to claim 2 , wherein the fatty acid ester surfactant is a ricinoleic acid ester.4. The carbon slurry according to claim 3 , wherein the ricinoleic acid ester is a polyglycerin-condensed ricinoleic acid ester.5. The carbon slurry according to claim 1 , wherein the nonionic surfactant includes a higher alkyl ether surfactant.6. The carbon slurry according to claim 5 , wherein the higher alkyl ether surfactant is a polyoxyethylene alkyl ether.7. The carbon slurry according to claim 1 , wherein the carbon conductive agent includes carbon black.8. A method for preparing a carbon slurry comprising mixing a carbon conductive agent claim 1 , a polyvinylpyrrolidone polymer serving as a dispersant claim 1 , and a ...

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Номер записи: 23
16-05-2013 дата публикации

EXPLOSION-PROOF SECONDARY BATTERY

Номер: US20130122357A1
Автор: KONG Lingkun, LI Wenliang, LIU Yuanxian, ZHOU Zhixiong
Принадлежит: SHENZHEN HIGHPOWER TECHNOLOGY CO.,LTD

An explosion-proof secondary battery includes a shell, an anode cap, a sealing ring, and a separating structure. The shell defines an opening on the top, and the shell comprises a crimping portion extending from the opening; the anode cap is disposed in the opening and latched with the crimping portion; the sealing ring is configured to seal a gap between the anode cap and the crimping portion; and a separating structure is disposed in the gap, and the separating structure resists the sealing ring; wherein the gap is remained when the sealing ring is melted, the anode cap is fixed to the shell by the crimping portion. In the explosion-proof secondary battery, due to the separating structure resisting the sealing ring, there is a gap between the anode cap and the periphery of the crimping portion of the shell, the internal gas of the explosion-proof secondary battery may successfully exhaust from the gap. Therefore, the internal air pressure of the explosion-proof secondary battery is decreased, and the separating structure prevents the explosion-proof secondary from exploding. 1. An explosion-proof secondary battery comprising:a shell defining an opening and comprising a crimping portion extending from the opening;a cell disposed in the shell;an anode cap disposed on the opening;a sealing ring disposed in the opening and sleeving on the periphery of the anode cap; anda separating structure resisting the sealing ring;wherein the crimping portion covers the sealing ring and fixes the anode cap to the shell.2. The explosion-proof secondary battery according to claim 1 , wherein the separating structure is a gasket claim 1 , the gasket resisting between the sealing ring and the crimping portion claim 1 , or the gasket resisting between the sealing ring and the anode cap claim 1 , or the gasket inserting into the sealing ring.3. The explosion-proof secondary battery according to claim 2 , wherein the gasket may be made of metal.4. The explosion-proof secondary battery ...

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Номер записи: 24
16-05-2013 дата публикации

SEALING MATERIAL COMPOSITION FOR SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND SECONDARY BATTERY USING SAME

Номер: US20130122358A1
Автор: Maeda Koichiro, Yoshida Naoki
Принадлежит: ZEON CORPORATION

Disclosed is a sealing material composition for a secondary battery, which is capable of providing a safe sealing layer that exhibits excellent adhesion in the sealing portion, while preventing leakage of the electrolyte solution. Specifically disclosed is a sealing material composition for a secondary battery, which is characterized by containing a diene rubber, a thermoplastic elastomer, carbon and an organic liquid material. The sealing material composition for a secondary battery is also characterized in that the number of coarse particles contained in 3 mL of the composition is 10 or less, said coarse particles having a maximum diameter of 10 μm or more. 1. A sealing material composition for a secondary battery comprising a diene rubber , a thermoplastic elastomer , a carbon and an organic liquid , wherein a number of coarse particle having maximum diameter of 10 μm or larger included in 3 mL of said composition is 10 or less.2. The sealing material composition for the secondary battery as set forth in wherein said diene rubber is butadiene rubber.3. The sealing material composition for the secondary battery as set forth in wherein said butadiene rubber is butadiene rubber having 1 claim 2 ,4-cis content of 90% or more.4. The sealing material composition for the secondary battery as set forth in claim 1 , wherein a weight ratio between said diene rubber and said thermoplastic elastomer (diene rubber/thermoplastic elastomer) is 60/40 to 99/1.5. The sealing material composition for the secondary battery as set forth in claim 1 , wherein said organic liquid is the organic liquid having a boiling point of 50 to 170° C. and a SP value of 14.0 to 20.0 MPaat a normal pressure.6. The sealing material composition for the secondary battery as set forth in further comprising imidazole compound.7. A method of producing a sealing material composition for a secondary battery as set forth in including steps of;obtaining a master batch by kneading a carbon, and a diene rubber ...

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Номер записи: 25
23-05-2013 дата публикации

LOW COST ELECTRICAL TERMINALS MANUFACTURED FROM CONDUCTIVE LOADED RESIN-BASED MATERIALS

Номер: US20130130089A1
Автор: Aisenbrey Thomas
Принадлежит: INTEGRAL TECHNOLOGIES, INC.

Electrical terminals are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers in a base resin host. The percentage by weight of the conductive powder(s), conductive fiber(s), or a combination thereof is between about 20% and 50% of the weight of the conductive loaded resin-based material. The micron conductive powders are formed from non-metals, such as carbon, graphite, that may also be metallic plated, or the like, or from metals such as stainless steel, nickel, copper, silver, that may also be metallic plated, or the like, or from a combination of non-metal, plated, or in combination with, metal powders. The micron conductor fibers preferably are of nickel plated carbon fiber, stainless steel fiber, copper fiber, silver fiber, aluminum fiber, or the like. 1. A battery device comprising:a battery storage cell having first and second internal electrodes;a first external terminal connected to said first internal electrode; anda second external terminal connected to said second internal electrode wherein at least one of said external terminals comprises a conductive loaded, resin-based material comprising conductive materials in a base resin host.2. The device according to wherein the percent by weight of said conductive materials is between about 20% and about 50% of the total weight of said conductive loaded resin-based material.3. The device according to wherein the percent by weight of said conductive materials is between about 20% and about 40% of the total weight of said conductive loaded resin-based material.4. The device according to wherein the percent by weight of said conductive materials is between about 25% and about 35% of the total weight of said conductive loaded resin-based material.5. The device according to wherein said conductive materials comprise metal powder.6. The device according to ...

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Номер записи: 26
23-05-2013 дата публикации

Light-Weight Bipolar Valve Regulated Lead Acid Batteries and Methods Therefor

Номер: US20130130096A1
Автор: Lev Frank
Принадлежит: AIC BLAB

Light-weight VRLA batteries comprise a thin lead substrate that is supported by non-conductive, preferably plastic frames that provide structural stability to accommodate stress and strain in the bipole assembly. In particularly preferred batteries, the plastic frames are laser welded together and phantom grids and electrode materials are coupled to the respective sides of the lead substrate. Where the phantom grid is an ultra-thin lead grid, the lead grid is preferably configured to provide a corrosion reserve of less than 10 charge-discharge cycles and the bipole assembly is charged in an in-tank formation process. Where the phantom grid is a non-conductive grid, the lead grid is preferably a plastic grid and the bipole assembly is charged in an in-container formation process. Consequently, weight, volume, and production costs are significantly reduced while specific energy is substantially increased. 1. A bipolar electrode assembly , comprising:a first non-conductive frame defining a first window, wherein the first frame is coupled to a second non-conductive frame defining a second window;a lead foil disposed between and coupled to the first and second frames such that opposite first and second sides of the lead foil are accessible through the first and second windows, respectively;wherein at least one of the first and second non-conductive frames further comprises an enhanced adhesive comprising a viscosity modifier and a coupling agent, wherein the enhanced adhesive is positioned between the lead foil and the at least one of the first and second non-conductive frames;a first phantom grid coupled to a positive electrode material, wherein the first grid and the positive electrode material are positioned in the first window and are conductively coupled to the first side of the lead foil; anda second phantom grid coupled to a negative electrode material, wherein the second grid and the negative electrode material are positioned in the second window and are ...

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Номер записи: 27
23-05-2013 дата публикации

POUCH-TYPED SECONDARY BATTERY WITH IMPROVED SAFETY AND EXCELLENT MANUFACTURING PROCESS PROPERTY

Номер: US20130130098A1
Автор: Ahn Chang Bum, CHOI ByungJin, Jang Jun Hwan, Lee Hyang Mok, Lee Wooyong
Принадлежит: LG CHEM, LTD.

Disclosed herein is a secondary battery including an electrode assembly, having pluralities of electrode tabs joined to electrode leads, mounted in a receiving part of a battery case, wherein the battery case has concave steps formed at the inner upper end of the receiving part thereof between electrode tab-electrode lead coupling portions (a cathode terminal portion and an anode terminal portion) of the electrode assembly and at the inner opposite sides of the receiving part thereof corresponding to the opposite sides of the electrode assembly such that the electrode assembly is in tight contact with the concave steps. 1. A secondary battery including an electrode assembly , having pluralities of electrode tabs joined to electrode leads , mounted in a receiving part of a battery case , whereinthe battery case has upper end step, side steps and lower step formed at the inner upper end of the receiving part thereof between electrode tab-electrode lead coupling portions, i.e. a cathode terminal portion and an anode terminal portion of the electrode assembly and at the inner opposite sides of the receiving part thereof corresponding to the opposite sides of the electrode assembly such that the electrode assembly is in tight contact with the upper end step, the side steps and the lower step.2. The secondary battery according to claim 1 , wherein the electrode assembly is constructed in a stacking or stacking/folding type structure.3. The secondary battery according to claim 1 , wherein the upper end step formed at the battery case between the electrode terminal portions has a length reaching the upper end of the electrode assembly.4. The secondary battery according to claim 1 , wherein the side steps formed at the opposite sides of battery case have a length corresponding to 20 to 80% that of the electrode assembly claim 1 , the side steps being formed at predetermined positions of the battery case excluding upper and lower end corners.5. The secondary battery according ...

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Номер записи: 28
30-05-2013 дата публикации

ENERGY STORAGE ELEMENT

Номер: US20130136977A1
Автор: Masuda Hideki
Принадлежит: GS Yuasa International Ltd.

A non-aqueous electrolyte secondary battery including: a container; an electrode assembly housed in the container; an electrode terminal provided at the container; and a current collector which electrically connects the electrode terminal and the electrode assembly, wherein the container includes a wall having (i) an outer surface with a protrusion part formed to be protrude outward and (ii) an inner surface with a recess part formed corresponding in position to the protrusion part when the protrusion parts is formed, and the current collector includes a base part connected to the electrode terminal in the recess part and an arm part which extends from the base part in the direction opposite to the protrusion direction of the protrusion part, and is connected to the electrode assembly. 1. An energy storage element comprising:a container;an electrode assembly housed in the container;an electrode terminal provided at the container; anda current collector which electrically connects the electrode terminal and the electrode assembly,wherein the container includes a wall having an outer surface and an inner surface, the outer surface having a protrusion part formed to protrude outward from the outer surface, and the inner surface having a recess part formed at a position corresponding to a position of the protrusion part, andthe current collector includes:a base part connected to the electrode terminal in the recess part; andan arm part which extends from the base part in a direction opposite to a protrusion direction of the protrusion part, and is connected to the electrode assembly.2. The energy storage element according to claim 1 ,wherein the recess part has a bottom surface, and a side surface continuously formed between the bottom surface and the inner surface of the wall of the container,the base part includes:a plate-shaped plate part formed along the bottom surface; andpaired first wall parts formed continuously from opposing sides of the plate part such that ...

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Номер записи: 29
06-06-2013 дата публикации

CELL PHONE BATTERY SYSTEM WITH BACK-UP RESERVE

Номер: US20130143100A1
Автор: Bennis Gary, Bennis Hannah, Lang Elizabeth
Принадлежит:

The invention relates to a cell phone battery pack and a method of providing backup battery power to a cell phone. The cell phone battery pack is configured to be positioned within a cell phone. The battery pack includes a first battery, a second battery and a means to allow switching between the first battery and the second battery for powering the cell phone. The first battery and the second battery may differ in one or both of size and capacity. 123.-. (canceled)24. A cell phone battery pack comprising two batteries joined together , wherein the two batteries are of the same size and each has a different capacity.25. A cell phone battery pack comprising two batteries joined together , wherein the two batteries differ in size and each has the same capacity.26. A cell phone battery pack comprising two batteries joined together , wherein the two batteries differ in size and in capacity.27. The cell phone battery pack of claim 26 , wherein each battery is defined by a top surface claim 26 , an opposite bottom surface claim 26 , and four edge surfaces positioned between the top surface and the bottom surface claim 26 , and a first edge surface of a first battery is in contact with a first edge surface of a second battery.28. The cell phone battery pack of claim 26 , wherein the two batteries are joined together by one or more of a tape claim 26 , a band claim 26 , by interlocking claim 26 , an adhesive claim 26 , and an adhesive strip.29. The cell phone battery pack of claim 26 , wherein the each battery contains an electrical terminal configured to be in electrical connection with electrical contacts in a cell phone in which the battery pack is placed.30. The cell phone battery pack of claim 29 , wherein two of the four edge surfaces of each battery are positioned as ends of the battery claim 29 , the other two of the four edge surfaces are positioned as side surfaces connecting the two end surfaces claim 29 , and the electrical terminal of each of the batteries is ...

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Номер записи: 30
06-06-2013 дата публикации

BUTTON CELL COMPRISING A COATED EXTERIOR

Номер: US20130143104A1
Автор: Krebs Martin, Kreidler Bernd, llic Dejan, Pytlik Eduard, Schein Herbert
Принадлежит: VARTA MICROBATTERY GMBH

A button cell includes a housing including a cell cup and having an exterior electrically non-conductive coating, a cell cover and a seal which isolates the cell cup and the cell cover from one another. 119-. (canceled)20. A button cell comprising:a housing comprising a cell cup and having an. exterior electrically non-conductive coating, a cell cover and a seal which isolates the. cell cup and the cell cover from one another.21. The button cell as claimed in claim 20 , wherein the electrically non-conductive coating comprises at least one organic-component.22. The button cell as claimed claim 20 , in claim 20 , wherein the electrically non-conductive coating comprises at least one organic component on a polymer basis.23. The button cell as claimed in claim 20 , wherein the electrically non-conductive coating comprises an organic/inorganic hybrid component based on an ormocer.24. The button cell as claimed in claim 20 , wherein the electrically non-conductive coating comprises parylene.25. The button cell as claimed in claim 20 , wherein an exterior of the housing has one or more uncoated subareas essentially free of the electrically non-conductive coating.26. The button cell as claimed in claim 20 , wherein the button cell has a easing housing section which is provided at least in places with the electrically non-conductive coating.27. The button cell as claimed in claim 20 , wherein the button cell has a flanged area covered by the electrically non-conductive coating.28. The button cell as claimed in claim 20 , wherein the electrically non-conductive coating has a thickness of between 1 μm and 200 μm.29. The button cell as claimed in claim 20 , wherein the -electrically non-conductive coating has at least one dye and/or at least one pigment.30. The button cell as claimed in claim 20 , wherein the button cell is a rechargeable button cell.31. The button cell as claimed in claim 20 , wherein the button cell is a nickel metal-hydride button cell.32. The button cell ...

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Номер записи: 31
06-06-2013 дата публикации

ELECTROCHEMICAL DEVICE

Номер: US20130143105A1
Автор: Goto Kyotaro, HAGIWARA Naoto, Ishida Katsuei, Kawai Yuki
Принадлежит: TAIYO YUDEN CO., LTD.

[Object] To provide an electrochemical device that permits a thin package, as well as securely prevents an electrolyte or gas in an internal space from leaking outside even when temperature rise occurs in the electrochemical device during the process where the electrochemical device is reflow soldered to a circuit board or encapsulated into an IC card. 1. An electrochemical device having an electric storage element encapsulated in a package , the package comprising:(1) a first terminal plate comprising:a frame section having a through hole formed therein; anda terminal section integrated with the frame section and protruding externally from the frame section;(2) a second terminal plate comprising:a frame section having a through hole formed therein; anda terminal section integrated with the frame section, disposed at a position different from the position of the terminal section of the first terminal plate, and protruding externally from the frame section;(3) a frame plate having a through hole corresponding to the through holes of the first and second terminal plates and disposed between one surface of the frame section of the first terminal plate and one surface of the frame section of the second terminal plate;(4) a first cover plate disposed on the other surface of the frame section of the first terminal plate so as to cover the through hole of the first terminal plate; and(5) a second cover plate disposed on the other surface of the frame section of the first terminal plate so as to cover the through hole of the second terminal plate,wherein sum of thicknesses of the first and second terminal plates and the frame plate is substantially equal to thickness of the electric storage element,and the electric storage element is encapsulated in an internal space formed of the through holes of the frame sections of the first and second terminal plates and the through hole of the frame plate, between both cover plates,and part of the terminal section of the first ...

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Номер записи: 32
06-06-2013 дата публикации

BATTERY EXTERIOR BODY, METHOD OF MANUFACTURING BATTERY EXTERIOR BODY, AND LITHIUM SECONDARY BATTERY

Номер: US20130143107A1
Автор: KURAMOTO Tetsunobu
Принадлежит: SHOWA DENKO PACKAGING CO., LTD.

A battery exterior body which can be easily manufactured without additional process by heat-sealing internal layers of battery exterior materials, and has a high degree of safety with respect to gas generated in the inside of the exterior body, a method of manufacturing the battery exterior body, and a lithium secondary battery are provided. The battery exterior body is a battery exterior body which is formed by heat-sealing internal layers of battery exterior materials formed by laminating an external layer including a heat-resistant resin film, a metal foil layer , and the internal layer in this order, and has a sealing strength between the heat-sealed internal layers of 20 N/15 mm of width to 50 N/15 mm of width. 1. A battery exterior body formed by heat-sealing internal layers of battery exterior materials formed by laminating an external layer including a heat-resistant resin film , a metal foil layer , and an internal layer in this order ,wherein a sealing strength between the heat-sealed internal layers is 20 N/15 mm of width to 50 N/15 mm of width.2. The battery exterior body as claimed in claim 1 ,wherein the internal layer is made of a mixture of a polypropylene resin A having propylene as a polymerization unit thereof and a polyethylene resin B having ethylene and an α-olefin as a polymerization unit thereof.3. The battery exterior body as claimed in claim 2 ,wherein an amount of the polypropylene resin A in the mixture is 95 mass % to 99 mass %.4. The battery exterior body as claimed in claim 2 ,wherein a particle size of the polyethylene resin B is in a range of 0.5 μm to 5 μm.5. The battery exterior body as claimed in claim 2 ,wherein the polypropylene resin A is a propylene homopolymer or a copolymer of propylene and ethylene, andthe polyethylene resin B has ethylene and an cc-olefin having three or more carbon atoms as the polymerization unit thereof.6. The battery exterior body as claimed in claim 1 ,wherein one or more of the external layer and the ...

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Номер записи: 33
06-06-2013 дата публикации

MECHANICAL HERMETIC SEAL

Номер: US20130143108A1
Автор: Epstein James
Принадлежит:

In one embodiment, a cap for an energy storage cell is provided, the cap including: a body including a dome formed therein, the dome including a through-way; and, an electrode assembly including a hemispherically shaped electrical insulator surrounding an electrode; wherein the insulator is disposed in and hermetically seals the dome and the electrode is electrically separated from the body by the throughway. A method of manufacture and an energy storage cell are also disclosed. 1. A cap for an energy storage cell , the cap comprising:a body having a hole therethrough; andan electrode assembly having a mechanical hermetic seal within the body.2. A cap as defined in claim 1 , wherein the mechanical hermetic seal comprises:a hemispherical seal or a spherical seal.3. A cap for an energy storage cell as defined in claim 2 , the cap comprising:a body comprising a dome formed therein, the dome comprising a through-way; and,an electrode assembly comprising a hemispherical seal being a hemispherically shaped electrical insulator surrounding an electrode;wherein the insulator is disposed in and hermetically seals the dome and the electrode is electrically separated from the body by a throughway.4. The cap as in claim 3 , further comprising a retainer coupled to the body claim 3 , the retainer adapted for retaining the electrode assembly and ensuring the hermetic seal.5. The cap as in claim 4 , wherein the retainer is bonded to the body by at least one of welding claim 4 , stamping and brazing.6. The cap as in claim 3 , wherein the insulator comprises at least one of perfluoroalkoxy polymer claim 3 , fluorinated ethylene-propylene claim 3 , polyvinylfluoride claim 3 , tetrafluoroethylene claim 3 , chlorotrifluoroethylene claim 3 , polychlorotrifluoroethylene claim 3 , polyethylenetetrafluoroethylene claim 3 , polyethylenechlorotrifluoroethylene claim 3 , polytetrafluoroethylene and another fluoropolymer based material.7. The cap as in claim 3 , wherein at least one of the ...

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Номер записи: 34
13-06-2013 дата публикации

BATTERY MODULE AND ITS ADHESIVE STRAP

Номер: US20130149595A1
Автор: Chao Po-Tsun
Принадлежит: GETAC TECHNOLOGY CORPORATION

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

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Номер записи: 35
13-06-2013 дата публикации

ELECTROLYTE SOLVENT CONTAINING IONIC LIQUIDS

Номер: US20130149596A1
Автор: Shiflett Mark Brandon
Принадлежит: E.I du Pont de Nemours and Company

Binary solvents that may be useful as electrolyte solvents for nonaqueous battery systems, such as lithium ion batteries are described. The electrolyte solvents consist of two components, an ionic liquid (preferably containing a fluorinated anion) and a fluoroether. Electrolyte compositions comprising the electrolyte solvents and electrochemical cells comprising the electrolyte compositions are also described. 1. A composition of matter consisting of at least one ionic liquid and at least at least one fluoroether.3. A composition according to wherein an ionic liquid comprises a fluorinated anion.4. A composition according to wherein a fluoroether is represented by the structure of the formula R—O—R; wherein Rand Rare each independently a Cto Clinear or branched alkyl group claim 1 , and wherein at least one of Ror Rcontains at least one fluorine atom.5. A composition according to wherein an ionic liquid is present in the composition at a concentration greater than about 1×10M but less than about 1×10M.6. A composition according to wherein a fluorinated anion is selected from one or more members of the group consisting of tetrafluoroborate claim 3 , tetrafluoroethanesulfonate claim 3 , [BF4]- claim 3 , [PF6]- claim 3 , [SbF6] claim 3 , [CF3SO3]- claim 3 , [HCF2CF2SO3]- claim 3 , [CF3HFCCF2SO3]- claim 3 , [HCClFCF2SO3]- claim 3 , [(CF3SO2)2N]— claim 3 , [(CF3CF2SO2)2N]— claim 3 , [(CF3SO2)3C]— claim 3 , [CF3CO2]- claim 3 , [CF3OCFHCF2SO3]- claim 3 , [CF3CF2OCFHCF2SO3]- claim 3 , [CF3CFHOCF2CF2SO3]- claim 3 , [CF2HCF2OCF2CF2SO3]- claim 3 , [CF21CF2OCF2CF2SO3] claim 3 , [CF3CF2OCF2CF2SO3]- claim 3 , [(CF2HCF2SO2)2N]— claim 3 , [(CF3CFHCF2SO2)2N]— claim 3 , and F—.7. A composition according to wherein a fluorinated anion is selected from one or more members of the group consisting of 1 claim 3 ,1 claim 3 ,2 claim 3 ,2-tetrafluoroethanesulfonate; 2-chloro-1 claim 3 ,1 claim 3 ,2-trifluoroethanesulfonate; 1 claim 3 ,1 claim 3 ,2 claim 3 ,3 claim 3 ,3 claim 3 ,3- ...

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Номер записи: 36
13-06-2013 дата публикации

LITHIUM ION BATTERY OUTER COVER MATERIAL

Номер: US20130149597A1
Автор: Muraki Takuya, Suzuta Masayoshi
Принадлежит:

According to the present invention, a lithium ion battery outer cover material that has superior resistance to electrolytes without chromate treatment, has superior deep drawing formability and high quality, and can be produced easily is provided. The lithium ion battery outer cover material () of a first embodiment of the present invention has a base material layer (), first adhesive layer () containing an adhesive, aluminum foil layer (), corrosion prevention treated layer (), second adhesive layer () containing an adhesive or adhesive resin, and sealant layer () laminated in that order. The base material layer () is a film base material in which the difference (α) of the elasticity (α) to the yield point and the elasticity (α) to the rupture point as measured according to JIS-K7127 is 100% or greater in at least one of the MD direction and TD direction. 1. A lithium ion battery outer cover material , comprising:{'b': 1', '2, 'sequentially laminating onto one side of a base material layer (SB) a first adhesive layer (AD-) containing an adhesive, an aluminum foil layer (AL) provided with a corrosion prevention treated layer (CL) on at least one side thereof, a second adhesive layer (AD-) containing an adhesive or adhesive resin, and a sealant layer (SL); wherein,'}the base material layer (SB) has a film base material (A) as indicated below:{'b': 2', '1', '1', '2, 'film base material (A): film base material in which the difference (α−α) between elasticity to the yield point (α) and elasticity to the rupture point (α) as measured according to JIS-K7127 is 100% or more in at least one of the MD direction and TD direction.'}2. The lithium ion battery outer cover material according to claim 1 , wherein stress at the rupture point of the film base material (A) as measured according to JIS-K7127 is 100 MPa or more.312. The lithium ion battery outer cover material according to claim 1 , wherein the film base material (A) is a biaxially drawn film base material composed of ...

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Номер записи: 37
20-06-2013 дата публикации

BATTERY PACK OF COMPACT STRUCTURE

Номер: US20130157084A1
Автор: BANG Seung Hyun, Kim Chun Yeon, Kwon Ho Sang, Park Young Sun
Принадлежит: LG CHEM, LTD.

Disclosed herein is a battery pack including a battery cell array including two or more battery cells, each of which has an electrode assembly of a cathode/separator/anode structure disposed in a battery case together with an electrolyte in a sealed state, arranged in the lateral direction, a protection circuit module (PCM) connected to the upper end of the battery cell array to control the operation of the battery pack, a pack case in which the battery cell array and the protection circuit module are disposed, and a spacer mounted between the pack case and the battery cell array to provide a space accommodating the increase in thickness of the battery cell array during charge and discharge of the battery pack. 1. A battery pack comprising:(a) a battery cell array comprising two or more battery cells, each of which has an electrode assembly of a cathode/separator/anode structure disposed in a battery case together with an electrolyte in a sealed state, arranged in a lateral direction;(b) a protection circuit module (PCM) connected to an upper end of the battery cell array to control an operation of the battery pack;(c) a pack case in which the battery cell array and the protection circuit module are disposed; and(d) a spacer mounted between the pack case and the battery cell array to provide a space accommodating the increase in thickness of the battery cell array during charge and discharge of the battery pack.2. The battery pack according to claim 1 , wherein the spacer has a thickness equivalent to 5 to 10% of a thickness of the battery cell array.3. The battery pack according to claim 1 , wherein the pack case is formed of a plastic material claim 1 , and the spacer is formed of a sheet member or a plastic material.4. The battery pack according to claim 3 , wherein the sheet member is formed of a Nomex material.5. The battery pack according to claim 1 , wherein the spacer is provided at a top and/or bottom thereof with an adhesive claim 1 , by which the spacer ...

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Номер записи: 38
20-06-2013 дата публикации

PRESSURE-SENSITIVE ADHESIVE TAPE FOR BATTERY, BATTERY USING THE PRESSURE-SENSITIVE ADHESIVE TAPE AND PROCESS FOR MANUFACTURING A BATTERY

Номер: US20130157086A1
Автор: HANAI Hiroomi, Kawabe Shigeki, Noumi Shunsuke, Take Hiroyoshi
Принадлежит: NITTO DENKO CORPORATION

The present invention relates to a pressure-sensitive adhesive tape for battery containing a substrate and a pressure-sensitive adhesive layer provided on at least one surface of the substrate, in which the pressure-sensitive adhesive layer has a thickness of from 2 μm to 100 μm, and in which the pressure-sensitive adhesive tape has a 180° peeling adhesive force toward an aluminum foil after pressure bonding at 25° C. being 0.05 N/10 mm or more and a 180° peeling adhesive force toward an aluminum foil after thermocompression bonding at a temperature of 30° C. or higher to lower than 200° C. being 0.5 N/10 mm or more. 1. A pressure-sensitive adhesive tape for battery comprising:a substrate anda pressure-sensitive adhesive layer provided on at least one surface of the substrate,wherein the pressure-sensitive adhesive layer has a thickness of from 2 μm to 100 μm, andwherein the pressure-sensitive adhesive tape has a 180° peeling adhesive force toward an aluminum foil after pressure bonding at 25° C. being 0.05 N/10 mm or more and a 180° peeling adhesive force toward an aluminum foil after thermocompression bonding at a temperature of 30° C. or higher to lower than 200° C. being 0.5 N/10 mm or more.2. The pressure-sensitive adhesive tape for battery according to claim 1 , wherein the pressure-sensitive adhesive layer contains a thermoplastic elastomer.3. The pressure-sensitive adhesive tape for battery according to claim 2 , wherein the thermoplastic elastomer is an acid-modified thermoplastic elastomer.4. The pressure-sensitive adhesive tape for battery according to claim 2 , wherein the pressure-sensitive adhesive layer further contains a tackifier.5. The pressure-sensitive adhesive tape for battery according to claim 4 , wherein the pressure-sensitive adhesive layer contains the tackifier in an amount of from 5 parts by weight to 50 parts by weight based on 100 parts by weight of the thermoplastic elastomer.6. A battery obtained by attaching the pressure-sensitive ...

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Номер записи: 39
20-06-2013 дата публикации

SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME

Номер: US20130157094A1
Автор: Kohno Ryuji, Saimaru Sho
Принадлежит: Hitachi Vehicle Energy, Ltd.

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

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Номер записи: 40
20-06-2013 дата публикации

BIPOLAR ELECTROCHEMICAL BATTERY WITH AN IMPROVED CASING

Номер: US20130157111A1
Автор: Chami Marianne, Picard Lionel
Принадлежит: COMMISSARIAT A L'ENRGIE ATOMIQUE ET AUX ENE ALT

A casing for a lithium bipolar electrochemical battery including a bipolar element. The casing includes a composite material including a matrix and at least one porous reinforcement, the matrix of which includes at least one hardened polymer impregnating the at least one porous reinforcement, wherein the at least one porous reinforcement and the at least one hardened polymer encase the bipolar element and maintain a determined pressure on either side of the bipolar element to maintain a determined contact between its constituents. 116-. (canceled)17. A bipolar lithium electrochemical battery comprising:at least one bipolar element; anda casing encapsulating the bipolar element;wherein the casing includes a composite material, including a matrix and at least one porous reinforcement, the matrix of which including at least one hardened polymer impregnating the at least one porous reinforcement, wherein the at least one porous reinforcement and the at least one hardened polymer encase the bipolar element and apply a determined pressure to either side of the bipolar element, to maintain a determined contact between its constituents.18. The lithium bipolar electrochemical battery according to claim 17 , wherein the at least one porous reinforcement is fabric and/or a mat.19. The lithium bipolar electrochemical battery according to claim 17 , wherein the at least one porous reinforcement includes at least two portions claim 17 , one on each face of the bipolar element.20. The lithium bipolar electrochemical battery according to claim 17 , wherein poles forming charging terminals of the battery include tabs that extend towards outside the battery from within the battery claim 17 , projecting from the at least one hardened polymer.21. The lithium bipolar electrochemical battery according to claim 17 , wherein poles forming charging terminals of the battery include at least first and second contacts claim 17 , the first contact fitted on to one face of the battery claim 17 , ...

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Номер записи: 41
20-06-2013 дата публикации

SECONDARY BATTERY

Номер: US20130157119A1
Автор: Hashizume Yoko, Kawasaki Daisuke, Matsumoto Kazuaki, Shimura Midori, Suguro Masahiro
Принадлежит: NEC Corporation

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

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Номер записи: 42
27-06-2013 дата публикации

Rotary jig of battery cell and process of welding for battery cell using the same

Номер: US20130164590A1
Автор: Chunyeon Kim, Jeong-Pyo Kong, Tae-Wook Kim
Принадлежит: LG Chem Ltd

Disclosed herein is a rotary jig for battery cells to successively manufacture battery cells having different sizes including a main body configured to have a hexahedral structure having a rotary rod mounted at a lower end thereof, the main body being provided at sides thereof with mounting frames having sizes corresponding to sizes of battery cells so that the battery cells can be uprightly mounted in the mounting frames in a state in which electrode terminals of the battery cells are exposed upward, a die disposed at a lower end of the main body, the die connected to the rotary rod so that the die can be rotated manually or by a rotary motor, and support members formed at the die to support the mounting frames of the main body and the battery cells mounted in the mounting frames, wherein the rotary rod is rotated so that resistance welding is performed with respect to a portion of one of battery cells to be welded using a welding rod located above the battery cell in a state in which the battery cells are mounted to the corresponding sides of the main body.

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Номер записи: 43
27-06-2013 дата публикации

SECONDARY BATTERY

Номер: US20130164603A1
Автор: Hashizume Yoko, Kawasaki Daisuke, Matsumoto Kazuaki, Shimura Midori, Suguro Masahiro
Принадлежит: NEC Corporation

The object is to provide a secondary battery with higher performance, and especially to provide a secondary battery having low impedance. An exemplary embodiment of the invention is a secondary battery, comprising an electrode assembly in which a positive electrode and a negative electrode are oppositely disposed, an electrolyte liquid, and a package which encloses the electrode assembly and the electrolyte liquid inside; wherein the negative electrode is formed by binding a negative electrode active substance to a negative electrode collector with a negative electrode binder; and wherein the electrolyte liquid comprises a fluorine-containing cyclic ether compound. 1. A secondary battery , comprising an electrode assembly in which a positive electrode and a negative electrode are oppositely disposed , an electrolyte liquid , and a package which encloses the electrode assembly and the electrolyte liquid inside;wherein the negative electrode is formed by binding a negative electrode active substance to a negative electrode collector with a negative electrode binder; andwherein the electrolyte liquid comprises a fluorine-containing cyclic ether compound.3. The secondary battery according to claim 1 , wherein the fluorine-containing cyclic ether compound is a compound in which at least one of hydrogen atoms in tetrahydrofuran claim 1 , tetrahydropyran or 1 claim 1 ,4-dioxane is substituted by fluorine atom.4. The secondary battery according to claim 1 , wherein the electrolyte liquid further comprises a linear-type or cyclic-type carbonate.5. The secondary battery according to claim 4 , wherein a content of the fluorine-containing cyclic ether compound is 1 to 30 mass % with respect to a total amount of the fluorine-containing cyclic ether compound and the carbonate.6. The secondary battery according to claim 1 , wherein the negative electrode active substance comprises at least one selected from among a metal (a) that can be alloyed with lithium claim 1 , a metal oxide ...

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Номер записи: 44
27-06-2013 дата публикации

SECONDARY BATTERY

Номер: US20130164604A1
Автор: Hashizume Yoko, Kawasaki Daisuke, Matsumoto Kazuaki, Shimura Midori, Suguro Masahiro
Принадлежит: NEC Corporation

An objection is to provide a high performance secondary battery having good flame retardancy and cycle properties. The present exemplary embodiment provides a secondary battery comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other, an electrolyte liquid and a package accommodating the electrode assembly and the electrolyte liquid, wherein the negative electrode is formed by binding a negative electrode active substance comprising a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with a negative electrode binder, and the electrolyte liquid comprises a supporting salt and an electrolytic solvent, the electrolytic solvent comprising at least one phosphate ester compound selected from phosphite esters, phosphonate esters and bisphosphonate esters. 1. A secondary battery comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other , an electrolyte liquid and a package accommodating the electrode assembly and the electrolyte liquid ,wherein the negative electrode is formed by binding a negative electrode active substance comprising a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with a negative electrode binder, andthe electrolyte liquid comprises a supporting salt and an electrolytic solvent, andthe electrolytic solvent comprising at least one phosphate ester compound selected from phosphite esters, phosphonate esters and bisphosphonate esters.3. The secondary battery according to claim 1 , wherein a content of the phosphate ester compound is 20% by mass or more in the electrolytic ...

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Номер записи: 45
27-06-2013 дата публикации

SECONDARY BATTERY

Номер: US20130164605A1
Автор: Hashizume Yoko, Kawasaki Daisuke, Matsumoto Kazuaki, Shimura Midori, Suguro Masahiro
Принадлежит: NEC Corporation

An object of the present invention is to provide a secondary battery in which the decomposition of an electrolyte liquid is suppressed and the generation of a gas is reduced, even in the case of using a laminate film as a package. The present exemplary embodiment is a secondary battery of a stacked laminate type comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other, an electrolyte liquid, and a package accommodating the electrode assembly and the electrolyte liquid, wherein the negative electrode is made by binding a negative electrode active substance containing a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions, and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with at least one selected from polyimides and polyamideimides; and the electrolyte liquid comprises acrylonitrile or an acrylonitrile compound being an acrylonitrile derivative. 1. A secondary battery , comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other , an electrolyte liquid , and a package accommodating the electrode assembly and the electrolyte liquid ,wherein the negative electrode is formed by binding a negative electrode active substance containing a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions, and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with at least one selected from polyimides and polyamideimides, andthe electrolyte liquid comprises an acrylonitrile compound that is acrylonitrile or an acrylonitrile derivative, andthe electrode assembly has a stacked structure, andthe package is a laminate film.3. The secondary battery according to claim 1 , wherein the electrolyte liquid further comprises ...

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Номер записи: 46
27-06-2013 дата публикации

PACKING MATERIAL FOR BATTERY CASE AND BATTERY CASE

Номер: US20130164606A1
Автор: HATA Hiroshi
Принадлежит:

A battery case material includes a biaxially stretched polyamide film layer as an outer layer, a thermoplastic resin unstretched film layer as an inner layer, and an aluminum foil layer interposed between the two film layers. As the biaxially stretched polyamide film, a biaxially stretched polyamide film having a density of 1,132 to 1,158 kg/mis used. In the battery case material, excellent formability can be secured without coating a lubrication giving component, and sufficient volume capacity ratio can be obtained. 1. A battery case material comprising:an outer layer comprising a biaxially stretched polyamide film;an inner layer comprising a thermoplastic resin unstretched film; andan aluminum foil layer interposed between the outer and inner layers,{'sup': '3', 'wherein the biaxially stretched polyamide film is obtained by a simultaneous biaxial stretching method and setting a heat setting temperature in a range of 195 to 220° C. during stretching of the simultaneous biaxial stretching method, and the biaxially stretched polyamide film has a density of 1,132 to 1,158 kg/m.'}2. The battery case material as recited in claim 1 , wherein the biaxially stretched polyamide film is a biaxially stretched nylon film.3. The battery case material as recited in claim 1 , wherein the biaxially stretched polyamide film is 12 to 50 μm in thickness.4. The battery case material as recited in claim 1 , wherein the biaxially stretched polyamide film is 12 to 50 μm in thickness claim 1 , and the biaxially stretched polyamide film is a biaxially stretched nylon film.5. The battery case material as recited in claim 1 , wherein the biaxially stretched polyamide film is 15 to 20 μm in thickness.6. The battery case material as recited in claim 1 , wherein the biaxially stretched polyamide film is a biaxially stretched nylon film and is 15 to 20 μm in thickness.7. The battery case material as recited in claim 1 , wherein the biaxially stretched polyamide film is 12 to 50 μm in thickness ...

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Номер записи: 47
04-07-2013 дата публикации

Nickel-zinc rechargeable pencil battery

Номер: US20130171482A1
Автор: Cecilila Maske, Jeffrey Phillips, Samaresh Mohanta
Принадлежит: PowerGenix Systems Inc

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

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Номер записи: 48
04-07-2013 дата публикации

ENERGY STORAGE APPARATUS

Номер: US20130171506A1
Автор: Reiche Harald
Принадлежит: LI-TEC BATTERY GMBH

The invention relates to an energy storage apparatus and also to a method for producing an energy storage apparatus with two or a plurality of energy storage cells (), with each storage cell comprising at least one electrode stack and/or electrode coil and two or a plurality of shell-like containers (), each shell-like container () comprising one base surface (), one shell wall () and an opening () located opposite the base surface (), wherein one energy storage cell () is arranged in each of the shell-like containers (). 1. An energy storage apparatus comprising:two or a plurality of energy storage cells, each with at least one electrode stack and/or electrode coil; andtwo or a plurality of shell-like containers, each with one base surface, one shell wall and an opening located opposite the base surface,wherein one energy storage cell is arranged in each of the shell-like containers, and{'b': '11', 'wherein the shell-like containers are arranged next to one another in a row or stacked one above the other such that a first shell-like container, in which an energy storage cell is arranged, is inserted with its base surface () into a second shell-like container, in which an energy storage cell is arranged.'}2. The energy storage apparatus according to claim 1 , wherein the respective shell wall of the shell-like containers has a wall height with respect to the base surface and the energy storage cell respectively arranged in the shell-like containers has a cell height with respect to the base surface which is smaller than the wall height.3. The energy storage apparatus according to claim 2 , wherein the wall height is approximately 1.5 to 2.5 times claim 2 , in particular twice claim 2 , as large as the cell height.4. The energy storage apparatus according to claim 1 , wherein the shell-like containers are realised in the manner of a set of stacked beakers claim 1 , wherein the shell-like containers are identical with respect to shape and size and can be placed or ...

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Номер записи: 49
04-07-2013 дата публикации

METHOD FOR MANUFACTURING A BATTERY SHELL APPLICABLE TO AN ELECTRONIC DEVICE

Номер: US20130171509A1
Автор: Chao Po-Tsun
Принадлежит: GETAC TECHNOLOGY CORPORATION

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

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Номер записи: 50
04-07-2013 дата публикации

Cell and method for manufacturing cell

Номер: US20130171510A1
Автор: Masakazu Tsutsumi
Принадлежит: GS YUASA INTERNATIONAL LTD

Provided are a cell capable of preventing damage to an insulating gasket by spatter scattered when a battery case and a cover plate are laser-welded together, and thereby ensuring sealability of a cell case and a method for manufacturing the cell. A shielding member is arranged between a weld line and at least a portion of the insulating gasket adjacent to the weld line. Since the shielding member blocks the spatter scattered toward the insulating gasket, the insulating gasket is not damaged by the spatter. The insulating gasket is not damaged, so that adhesion between the insulating gasket and the cover plate is not lowered, and the sealability of the cell case is ensured.

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Номер записи: 51
04-07-2013 дата публикации

ENERGY STORAGE ELEMENT

Номер: US20130171511A1
Автор: Masuda Hideki
Принадлежит: GS Yuasa International Ltd.

A non-aqueous electrolyte secondary battery includes: a container; an electrode assembly; an electrode terminal; a current collector; and an internal insulation sealing member insulating the container and the current collector. The container includes a wall having an outer surface with a protrusion part protruding outward from the outer surface and an inner surface with a recess part formed correspondingly in position to the protrusion part. The recess part has an outermost bottom surface and an inner side surface formed continuously between the bottom surface and the inner surface of the wall of the container. At least part of the inner side surface of the recess part is tilted to the protrusion direction of the protrusion part. The internal insulation sealing member is between the current collector and the recess part of the container, and has side wall parts parallel to the at least part of the inner side surface. 1. An energy storage element comprising:a container;an electrode assembly housed in the container;an electrode terminal;a current collector which electrically connects the electrode terminal and the electrode assembly; andan internal insulation sealing member which insulates the container and the current collector,wherein the container includes a wall having an outer surface and an inner surface,the outer surface has a protrusion part formed to protrude outward from the outer surface,the inner surface has a recess part formed at a position corresponding to a position of the protrusion part,the recess part has a bottom surface which is outermost and an inner side surface formed continuously between the bottom surface and the inner surface of the wall of the container,at least part of the inner side surface of the recess part is formed to be tilted with respect to a direction in which the protrusion part protrudes, andthe internal insulation member is positioned between the current collector and the recess part of the container, and has a first wall part ...

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Номер записи: 52
11-07-2013 дата публикации

PRESSURE TOLERANT BATTERY

Номер: US20130175041A1
Автор: JR. V, Nellessen
Принадлежит: SCHLUMBERGER TECHNOLOGY CORPORATION

A pressure tolerant battery that may be utilized in a subsea riser includes one or more lithium polymer cells enclosed in a pressure compensated housing. The pressure tolerant battery can be mounted on a landing string a disposed in the riser annulus to provide electrical power to landing string and subsea well system devices. 1. A pressure tolerant battery , comprising:a housing formed in an annular segment having an arcuate shaped inner diameter;a lithium polymer cell enclosed in the housing; anda dielectric fluid disposed in the housing.2. The pressure tolerant battery of claim 1 , further comprising a pressure compensator disposed in the housing.3. The pressure tolerant battery of claim 2 , wherein the pressure compensator comprises a bladder.4. The pressure tolerant battery of claim 1 , further comprising battery control electronics operationally connected to the lithium polymer cell.5. The pressure tolerant battery of claim 4 , wherein the battery control electronics are disposed inside of the housing.6. The pressure tolerant battery of claim 1 , further comprising:a pressure compensator disposed in the housing; andbattery control electronics operationally connected to the lithium polymer cell.7. A subsea control system claim 1 , the system comprising:a mandrel having an internal bore; anda pressure tolerant battery mounted on the mandrel, the pressure tolerant battery comprising a lithium polymer cell disposed in a pressure compensated housing.8. The system of claim 7 , wherein:the mandrel is connected in a tubular string extending through a riser from a subsea blowout preventer stack to a water surface; andthe pressure tolerant battery is located in an annulus between the riser and the tubular string.9. The system of claim 7 , wherein the pressure compensated housing is formed in an annular segment having an arcuate shaped inner diameter.10. The system of claim 7 , wherein the pressure tolerant battery comprises battery control electronics disposed in the ...

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Номер записи: 53
11-07-2013 дата публикации

Non-Aqueous Electrolyte Secondary Battery

Номер: US20130177803A1
Автор: Ikeda Kenzou, Kugino Satoshi, Mishiro Yuichiro, Shinto Murashi, Tanaka Akira
Принадлежит: SHIN-KOBE ELECTRIC MACHINERY CO., LTD.

If a non-aqueous electrolyte secondary battery has a seal structure between a lid and an electrode terminal in which a seal member is compressed by fastening a nut, the nut may be loosened to make the amount of compression of the seal member insufficient to reduce the seal performance even if the nut is fastened enough to obtain an appropriate amount of compression of the seal member at the time of manufacture of the battery. A battery case has an opening, and houses an electrode group and an organic electrolyte. A lid is fastened to the battery case, and tightly seals the opening of the battery case. An electrode terminal is electrically connected to the electrode group. The lid and the electrode terminal face each other via an elastic member. 1. A non-aqueous electrolyte secondary battery comprising:a battery case including a case body portion having an opening, and a lid having a plurality of terminal through holes and configured to tightly seal the opening of the case body portion;an electrode group and an organic electrolyte housed in the battery case;a plurality of electrode terminals each including a terminal body portion electrically connected to the electrode group and a threaded terminal portion integrally formed with the terminal body portion and configured to pass through one of the terminal through holes of the lid, wherein each electrode terminal is fixed to the lid with a nut fastened around the threaded terminal portion of the electrode terminal;a first gasket fitted to the threaded terminal portion and disposed between the lid and the nut;a second gasket disposed on the terminal body portion to surround the threaded terminal portion, and disposed between the terminal body portion of the electrode terminal and the lid of the battery case;an annular elastic member disposed on the terminal body portion to surround the threaded terminal portion on an inner side of the second gasket, the annular elastic member being compressed between the terminal body ...

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Номер записи: 54
18-07-2013 дата публикации

ADHESIVE FILM FOR ORGANIC ELECTROLYTE-TYPE ENERGY STORAGE DEVICE

Номер: US20130183519A1
Автор: MAEDA Kouichirou
Принадлежит: ZEON CORPORATION

An adhesive film for organic electrolyte-type energy storage device having a substrate film comprised of a resin composition which contains a cross-linked cyclic olefin polymer and an elastomer, and having an adhesive layer comprised of an acrylic-based adhesive agent which is formed on the substrate film is provided. 1. An adhesive film for organic electrolyte-type energy storage device having a substrate film comprised of a resin composition which contains a cross-linked cyclic olefin polymer , and an elastomer and having an adhesive layer comprised of an acrylic-based adhesive agent which is formed on said substrate film.2. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 1 , wherein said elastomer is an olefin-based elastomer.3. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 2 , wherein said olefin-based elastomer is at least one type of elastomer which is selected from an ethylene-α-olefin copolymer elastomer and an ethylene-propylene-diene copolymer elastomer.4. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 1 , wherein said substrate film has a thickness of 1 to 500 μm.5. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 1 , wherein said substrate film is comprised of a resin composition which is obtained by bulk polymerization of a polymerizable composition which contains a cyclic olefin monomer claim 1 , elastomer claim 1 , and polymerization catalyst.6. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 1 , which is adhesive film for fastening a wound battery element.7. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 1 , which is adhesive film for insulation use of a tab part for input/output of electric power to the energy storage element.8. The adhesive film for organic electrolyte-type energy storage ...

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Номер записи: 55
18-07-2013 дата публикации

LOW MAGNETIC INTERFERENCE BATTERY AND MOBILE COMMUNICATION DEVICE

Номер: US20130183545A1
Автор: BODA Mallikarjun, Brubacher Jonathan Quinn, HAWKER Larry Edward, VAN SCHYNDEL Andre John
Принадлежит: RESEARCH IN MOTION LIMITED

A communication device, and battery there for, are provided. In at least one of the battery and the communication device is provided a magnetic shield portion for routing magnetic flux away from the receiver when the radio is in operation. The magnetic shield portion can be incorporated into at least one of the battery and the communication device. When the battery is inserted into mobile communication device, the magnetic shield portion is located substantially between a battery portion, in the battery, and the receiver. 1. A battery comprising:a case;a battery portion enabled to provide electrical power to a device; anda planar magnetic shield portion internal to the case, the planar magnetic shield portion enabled to provide structural support to the battery and route magnetic flux from the battery portion away from a receiver of the device when the battery is inserted therein.2. The battery of claim 1 , wherein the planar magnetic shield portion is substantially parallel to a side of the battery portion.3. The battery of claim 1 , wherein the planar magnetic portion is on a side of the battery portion enabled to be oriented towards the receiver of the device when the battery is inserted therein.4. The battery of claim 1 , wherein the planar magnetic shield portion is enabled to be located substantially between the battery portion and the receiver of the device when the battery is inserted therein.5. The battery of claim 1 , wherein the planar magnetic shield portion comprises a box substantially encompassing the battery portion.6. The battery of claim 5 , wherein the box comprises apertures for contacting the battery portion.7. The battery of claim 1 , further comprising a planar structural element claim 1 , internal to the case that provides further structural support to the battery.8. The battery of claim 7 , wherein the planar magnetic shield portion and the planar structural element substantially sandwich the battery portion.9. The battery of claim 7 , ...

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Номер записи: 56
18-07-2013 дата публикации

CASING FOR AN ELECTROCHEMICAL CELL

Номер: US20130183565A1
Автор: Zahn Christian
Принадлежит: LI-TEC BATTERY GMBH

An electrochemical cell comprises an electrode stack, at least one current conductor connected to the electrode stack, and a casing at least partially enclosing the electrode stack, wherein the at least one current conductor extends at least partially out of the casing. At least one heating device is integrated into the casing of the electrochemical cell which has at least one preferably areal heating zone extending at least over a sub-region of the casing. 113.-. (canceled)14. A casing for an electrochemical cell , comprising:a heating device integrated into the casing; andan areal heating zone of the heating device, the areal zone extending over a sub-region of the casing.15. The casing according to claim 14 , wherein:the areal heating zone of the heating device has at least one of a geometry and a size which fits at least one of a geometry and a size of the casing.16. The casing according to claim 14 , wherein:the heating device comprises an electrical heating device.17. The casing according to claim 14 , whereinthe heating zone extends substantially within one plane in the casing.18. The casing according to claim 17 , wherein:the heating device includes at least one supply connection; andthe at least one supply connection is arranged substantially in the plane of the heating zone.19. An electrochemical cell comprising:an electrode stack;at least one current conductor connected to the electrode stack; anda casing at least partially enclosing the electrode stack;wherein the at least one current conductor extends at least partially out of the casing; and 'a heating device, the heating device including an areal heating zone that extends at least over a sub-region of the casing.', 'the casing includes20. The electrochemical cell according to claim 19 , wherein:the heating device is integrated into the casing.21. The electrochemical cell according to claim 19 , wherein:the casing includes a main face; andthe heating zone extends substantially entirely over the main ...

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Номер записи: 57
18-07-2013 дата публикации

ELECTROCHEMICAL DEVICE

Номер: US20130183575A1
Автор: Goto Kyotaro, Kawai Yuki
Принадлежит: TAIYO YUDEN CO LTD

An electrochemical device which can keep a conductive lid properly joined to a rigid case is provided. A conductive lid has a reinforcement part RP inside of a ring-shaped welded part PP. The welded part PP of the conductive lid and the welded frame member of a rigid case are joined to each other by welding. Even if stress of risen internal pressure due to reflow soldering or the like concentrates at the interface between the rigid case and the conductive lid , the reinforcement part RP relieves the stress. 1. An electrochemical device comprising: a storage element and an electrolytic solution enclosed in an internal space of the rigid package; and', 'a negative electrode terminal and a positive electrode terminal formed on the bottom face of the rigid package,', 'wherein the rigid package includes a rigid case having a cavity providing an upward opening and a conductive lid sealing the upward opening of the cavity in a watertight and airtight manner, the rigid case including a first wire for electrically connecting a negative electrode plate of the storage element to the negative electrode terminal via the conductive lid and a second wire for electrically connecting a positive electrode plate of the storage element to the positive electrode terminal;', 'a welded frame member is formed integrally on the top of the rigid case so as to surround the cavity;', 'the conductive lid includes a reinforcement part inside of a ring-shaped welded part; and', 'the welded part and the welded frame member of the conductive lid are joined to each other by welding., 'a rigid package;'}2. The electrochemical device of wherein the reinforcement part is composed of a ring-shaped portion which slopes upward from the internal circumference line of the welded part toward the center.3. The electrochemical device of wherein the welded part and the welded frame member are joined to each other by laser welding.4. The electrochemical device of wherein the welded part and the welded frame ...

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Номер записи: 58
18-07-2013 дата публикации

Secondary battery

Номер: US20130183576A1
Автор: Daisuke Kawasaki, Kazuaki Matsumoto, Masahiro Suguro, Midori Shimura, Yoko Hashizume
Принадлежит: NEC Corp

An object is to provide a higher-performance secondary battery, particularly to provide a secondary battery having a low impedance. The present exemplary embodiment is a secondary battery comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other, an electrolyte liquid, and a package accommodating the electrode assembly and the electrolyte liquid, wherein the negative electrode includes a negative electrode active substance containing at least one selected from a metal (a) capable of being alloyed with lithium, and a metal oxide (b) capable of occluding and releasing lithium ions, a negative electrode binder, and a negative electrode current collector; and the electrolyte liquid contains a sulfide compound.

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Номер записи: 59
25-07-2013 дата публикации

METHOD FOR PREPARING A SOLID-STATE BATTERY BY SINTERING UNDER PULSATING CURRENT

Номер: US20130189562A1
Автор: Aboulaich Abdelmaula, Bouchet Renaud, Delaizir Gaelle, Dolle Michael, MORCRETTE Mathieu, ROZIER Patrick, Seznec Vincent, Tarascon Jean-Marie, Tortet Laurence, Viallet Virginie
Принадлежит:

The present invention relates to a method for preparing a completely solid Li-ion battery having a solid state body wherein the battery is assembled in a single step by stacking at least one layer of a powder mix including a positive electrode active material and a solid electrolyte, at least one intermediate layer of a solid electrolyte and at least one layer of a powder mix including a negative electrode active material and a solid electrolyte, and simultaneous sintering of the three layers at a pressure of at least 20 MPa, under pulsating current. The invention also relates to the Li-ion battery obtained by such a method. 1. A process for producing an all-solid-state Li-ion battery with a monolithic body having at least one negative-electrode composite layer and at least one positive-electrode composite layer , said layers being separated from one another by at least one intermediate solid-electrolyte layer , said process comprising the steps of:{'b': '1', 'preparing a pulverulent mixture (MP) comprising at least one powder of an active negative-electrode material, at least one powder of a solid electrolyte, and at least one electron-conductivity providing agent; and'}{'b': '2', 'preparing a pulverulent mixture (MP) comprising at least one powder of an active lithium-based positive-electrode material, at least one powder of a solid electrolyte, and at least one electron-conductivity providing agent,'}wherein:{'b': 1', '2, 'the battery is formed in a single step by superposing at least one layer of mixture MP and at least one layer of mixture MP, said layers being separated from one another by at least one intermediate layer of a solid electrolyte in the form of a pulverulent, and simultaneously sintering these sets of three layers, at a pressure of at least 20 MPa, using a pulsed current;'}the particle size of the solid electrolyte in pulverulent form is 5 μm or less;{'b': 1', '2, 'the solid-electrolyte content in each of the mixtures MP and MP independently ...

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Номер записи: 60
25-07-2013 дата публикации

SECONDARY BATTERY OF NOVEL STRUCTURE

Номер: US20130189570A1
Автор: Im Ye Hoon, KIM Min Su, Lee Woo Yong, PARK WonChan, You Seung Jae
Принадлежит: LG CHEM, LTD.

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

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Номер записи: 61
01-08-2013 дата публикации

SYSTEMS AND METHODS FOR MANUFACTURING BATTERY CELLS

Номер: US20130196197A1
Автор: Fuhr Jason D., Tyler Matthew R.
Принадлежит: Johnson Controls Technology Company

A system includes a battery cell having a packaging and a coil disposed within the packaging. The battery cell further includes a first terminal electrically coupled to a portion the coil and protruding through an opening in the packaging, wherein the first terminal is hermetically sealed at the opening in the packaging using a compressive force. 1. A system , comprising: a packaging;', 'a coil disposed within the packaging;', 'a first terminal electrically coupled to a portion the coil and protruding through an opening in the packaging, wherein the first terminal is hermetically sealed at the opening in the packaging using a compressive force., 'a battery cell, comprising2. The system of claim 1 , wherein the packaging comprises a cupped portion disposed around the opening claim 1 , and wherein a press-fit ring is configured to provide the compressive force around the cupped portion to hermetically seal the first terminal.3. The system of claim 1 , wherein the battery cell comprises an insulating gasket disposed between the packaging and the first terminal at the opening in the packaging.4. The system of claim 1 , wherein the first terminal comprises a bolt having a threaded shaft disposed through the opening in the packaging.5. The system of claim 4 , wherein the first terminal comprises a nut threaded onto the shaft of the bolt claim 4 , wherein the nut is configured to provide a compressive force to a gasket disposed between the first terminal and the packaging to hermetically seal the first terminal.6. The system of claim 1 , comprising a second terminal electrically coupled to a different portion of the coil and protruding through a second opening in the packaging claim 1 , wherein the second terminal is hermetically sealed at the second opening using a second compressive force.7. The system of claim 1 , wherein the packaging of the battery cell comprises a vent feature stamped into the packaging.8. The system of claim 1 , wherein the packaging is prismatic ...

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Номер записи: 62
01-08-2013 дата публикации

COVER FOR BATTERY CELL

Номер: US20130196201A1
Автор: Fuhr Jason D., Tyler Matthew R.
Принадлежит: Johnson Controls Technology Company

A battery includes a cell element that is disposed in a housing, and the housing is sealed with a top cover made primarily of plastic. The top cover may include a layer of metallic foil, which may make the top cover more impermeable to moisture. The top cover may also include a vent, which may or may not utilize the metallic foil to determined the primary opening force of the vent. The top cover may also have one or more stiffening ribs that extend downwardly from a bottom portion of the top cover to contact the cell element, so as to limit movement of the cell element within the housing. In addition, the top cover may have one or more conductive terminals that are at least partially overmolded by the plastic of the top cover. 1. A battery , comprising:a housing having an open top portion;a cell element disposed within the housing; anda top cover disposed on the top portion of the housing, the top cover having at a layer of plastic disposed adjacent a layer of metallic foil.2. The battery of claim 1 , wherein the top cover comprises a first layer of plastic disposed on one side of the metallic foil and a second layer of plastic disposed on the other side of the metallic foil.3. The battery of claim 2 , comprising first and second terminals extending through the top cover claim 2 , wherein the metallic foil is coupled to at most one of the first and second terminals.4. The battery of claim 2 , wherein the top cover comprises a vent configured to open in response to pressure within the housing exceeding a threshold.5. The battery of claim 4 , wherein the layer of plastic in the area of the vent is thinner than the layer of plastic in the remaining area of the top cover.6. The battery of claim 4 , wherein the vent comprises a periphery defined by a first groove formed in the layer of plastic and a plurality of flaps defined by at least one second groove formed in the layer of plastic.7. The battery of claim 6 , wherein the vent is configured to open by breaking ...

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Номер записи: 63
01-08-2013 дата публикации

GALVANIC CELL FOR AN ACCUMULATOR

Номер: US20130196213A1
Автор: GUTSCH Andreas, Schaefer Tim
Принадлежит: LI-TEC BATTERY GMBH

The galvanic cell according to the invention comprises at least one current conductor and a casing. Said casing at least partially surrounds said galvanic cell. A contact area is assigned to said casing. The casing is at least partially materially engaged with the current conductor via the contact area. The casing comprises at least one first layer and one second layer. The materials of said first layer and said second layer of the casing are different in respect to at least one chemical material. 113-. (canceled)14. Galvanic cell , comprising:a current conductor;a casing which at least partially surrounds the galvanic cell; anda contact area that is assigned to the casing, in which the casing is at least partially connected with the current conductor, the casing comprises at least one first layer and one second layer,', 'the material of the first layer and the material of the second layer are different from each other in respect to at least one chemical substance', 'at least one of the layers of the casing comprises at least one first material and at least one second material,', 'the second material has a higher module of elasticity than the first material,', 'the second material is realized in the shape of fibers,', 'the fibers are connected with the first material at least partially in material engagement,', 'the fibers are at least partially connected with each other forming a first elongated entity, and', 'a plurality of said first elongated entities are essentially arranged in the direction of a tensible force., 'wherein'}151. The galvanic cell according to claim , wherein at least one first device for conducting electrical current is assigned to the casing.16. The galvanic cell according to claim 15 , wherein the at least one device for conducting electrical current has a lower degree of elongation at fracture than the casing.17. The galvanic cell according to claim 14 , wherein at least one first sensor device is assigned to the casing.18. An accumulator ...

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Номер записи: 64
01-08-2013 дата публикации

MEDICAL DEVICE BATTERY ENCLOSURE

Номер: US20130196214A1
Автор: Scott Erik R., Tamirisa Prabhakar A.
Принадлежит: Medtronic, Inc.

In one example, the disclosure is directed to a medical device comprising an outer housing and a battery within the outer housing, where the battery is configured to supply power to one or more electronic components of the medical device. The battery comprises a first electrode, a second electrode, an electrolyte, and a multilayer battery enclosure. The multilayer battery enclosure comprises a substantially cylindrical member including a continuous multilayer body defining a cavity between a first end and a second end, and wherein at least one of the first end and second end are sealed to enclose the first electrode, second electrode, and the electrolyte within the cavity of the multilayer battery enclosure. 1. A battery comprising:a first electrode;a second electrode;an electrolyte; anda multilayer battery enclosure, wherein the multilayer battery enclosure comprises a substantially cylindrical member including a continuous multilayer body defining a cavity between a first end and a second end, and wherein at least one of the first end and second end are sealed to enclose the first electrode, second electrode, and the electrolyte within the cavity of the multilayer battery enclosure.2. The battery of claim 1 , wherein the multilayer battery enclosure includes an inner layer and a barrier layer.3. The battery of claim 2 , wherein the inner layer is formed of a material that is substantially insoluble with the electrolyte.4. The battery of claim 2 , wherein the multilayer battery enclosure includes an outer layer separated from the inner layer by the barrier layer.5. The battery of claim 2 , wherein the multilayer battery enclosure includes a bond layer bonding the inner layer to the barrier layer.6. The battery of claim 2 , wherein the inner layer is substantially insoluble with the electrolyte.7. The battery of claim 2 , wherein the inner layer comprises at least one of polyethylene or polypropylene.8. The battery of claim 2 , wherein the barrier layer exhibits an ...

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Номер записи: 65
01-08-2013 дата публикации

OUTER CASING MATERIAL FOR BATTERY AND LITHIUM SECONDARY BATTERY

Номер: US20130196215A1
Автор: KARATSU Makoto, KURAMOTO Tetsunobu, NAGATA Kensuke
Принадлежит: SHOWA DENKO PACKAGING CO., LTD.

An outer casing material for a battery is provided, wherein an outer layer , a metal foil layer and an inner layer are laminated via an adhesive layer ; the inner layer comprises a sealant layer and a base material layer ; the sealant layer is made from a propylene-ethylene random copolymer wherein a melt flow rate at 230° C. thereof is in a range of 3 to 30 g/10 minutes; the base material layer is made of a resin composition wherein a melt flow rate at 230° C. thereof is in a range of 0.1 to 15 g/10 minutes, xylene-soluble component Xs thereof satisfies the predetermined conditions, and the resin composition comprises 50 to 80% by mass of a propylene component (A) and 50 to 20% by mass of a copolymer component (B) which is an elastomer of a copolymer of propylene and ethylene and/or α-olefin having 4 to 12 carbons and includes 50 to 85% by mass of a polymerization unit originated from propylene. 1. An outer casing material for a battery , whereinthe casing material is formed by laminating, via an adhesive layer, an outer layer which is a heat-resistant resin film, a metal foil layer and an inner layer which is a thermoplastic resin film;the inner layer comprises at least a sealant layer and a base material layer, wherein the sealant layer of the inner layer is positioned as a surface on the opposite side to the metal foil layer;the sealant layer is made from a propylene-ethylene random copolymer wherein a melt flow rate at 230° C. thereof is in a range of 3 to 30 g/10 minutes;the base material layer is made of a resin composition wherein a melt flow rate at 230° C. thereof is in a range of 0.1 to 15 g/10 minutes, a xylene-soluble component Xs thereof satisfies the following (I) to (V), and the resin composition comprises 50 to 80% by mass of a propylene component (A) and 50 to 20% by mass of a copolymer component (B) which is an elastomer of a copolymer of propylene and ethylene and/or α-olefin having 4 to 12 carbons and includes 50 to 85% by mass of a ...

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Номер записи: 66
01-08-2013 дата публикации

PRISMATIC SECONDARY BATTERY

Номер: US20130196220A1
Автор: Harada Hironori, Inukai Hiroshi, Kiyama Akira, Morishima Ryuta, Nohma Toshiyuki, Okutani Eiji, Takada Toshihiro, Yamauchi Yasuhiro, Yokoyama Yoshinori
Принадлежит:

A high-reliability prismatic secondary battery with a current interruption mechanism that is unlikely to be damaged even if the battery is subjected to shock is provided. The prismatic secondary battery includes a second insulating member having a first through-hole, the second insulating member being arranged between a first region of a positive electrode collector and an inversion plate. The first region of the positive electrode collector and the inversion plate are electrically connected to each other through the first through-hole. The second insulating member has a plurality of fixing pawl portions. The fixing pawl portions are hooked and fixed to a fixing portion formed on the outer surface side of the conductive member. 1. A prismatic secondary battery comprising:a prismatic outer casing having a mouth;an electrode assembly housed in the prismatic outer casing and having a positive electrode plate and a negative electrode plate;a positive electrode collector electrically connected to the positive electrode plate;a negative electrode collector electrically connected to the negative electrode plate;a sealing body sealing the mouth of the outer casing and having a through-hole;at least one external terminal inserted in the through-hole of the sealing body while being electrically insulated from the sealing body with a first insulating member interposed therebetween;a conductive member having a tubular portion;an inversion plate containing a conductive material that is deformed when the pressure inside the battery exceeds a particular level; anda second insulting member having a first through-hole formed between the inversion plate and at least one of the positive electrode collector and the negative electrode collector,at least one of the positive electrode collector and the negative electrode collector being electrically connected to the inversion plate through the first through-hole formed in the second insulating member,the tubular portion of the conductive ...

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Номер записи: 67
01-08-2013 дата публикации

PRISMATIC SECONDARY BATTERY

Номер: US20130196221A1
Автор: Harada Hironori, HATTORI Takayuki, Inukai Hiroshi, Maruyama Yoshiya, Okutani Eiji, Takada Toshihiro, Yamauchi Yasuhiro
Принадлежит:

A crimped portion of a positive electrode external terminal is crimped on its upper end side to be electrically connected to a positive electrode terminal plate. This crimped portion is welded to the positive electrode terminal plate by applying high energy beams. The negative electrode side has a configuration similar to that of the positive electrode side. The contact area between the positive electrode terminal plate and the crimped portion of the positive electrode external terminal is set smaller than the corresponding contact area on the negative electrode side, and the volume of the crimped portion of the positive electrode external terminal is set larger than that of the corresponding crimped portion on the negative electrode side. Thus, a prismatic secondary battery is provided that shows strong joining strength between the external terminal and the terminal plate, suppressed internal resistance variations, and improved reliability. 1. A prismatic secondary battery comprising:a prismatic outer casing having a mouth;an electrode assembly housed inside the prismatic outer casing and having a positive electrode plate and a negative electrode plate;a positive electrode collector electrically connected to the positive electrode plate;a negative electrode collector electrically connected to the negative electrode plate;a sealing body sealing the mouth of the outer casing;a positive electrode external terminal containing an aluminum-based metal and a negative electrode external terminal containing a copper-based metal, each inserted into a through-hole provided in the sealing body while being electrically insulated from the sealing body with an insulating member interposed therebetween; anda positive electrode terminal plate and a negative electrode terminal plate arranged on the positive electrode external terminal and the negative electrode external terminal, respectively,the positive electrode collector and the negative electrode collector being electrically ...

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Номер записи: 68
01-08-2013 дата публикации

BUTTON CELL PROTECTED AGAINST SHORT CIRCUIT

Номер: US20130196222A1
Автор: Brenner Rolf, Pytlik Eduard
Принадлежит: VARTA MICROBATTERY GMBH

A button cell with a housing includes a cup part and a cover part, which each have a floor region and a lateral surface region adjacent thereto and extending up to a first cut edge. A positive and a negative electrode, separated by a separator, are arranged in the housing. The cup part and the cover part are physically separated and electrically isolated from one another by a film seal, wherein the film seal surrounds the outer side of the cover part in the lateral surface region like a collar and is turned over the cut edge of the cover part inwardly. The film seal in this case forms, together with the separator and the cover part, a closed cavity in which the negative electrode is arranged. 2. The button cell as claimed in claim 1 , wherein the film seal surrounds the separator in the form of a ring and exerts a radial pressure thereon.3. The button cell as claimed in claim 1 , wherein the separator is formed and positioned in the housing such that it presses the film seal claim 1 , which is turned inwardly claim 1 , radially against an inner side of the cover part.4. The button cell as claimed in claim 1 , wherein the separator is a disk.5. The button cell as claimed in claim 1 , wherein the separator is a bowl with a disk-shaped planar base area and a circumferential peripheral region adjacent thereto and aligned substantially perpendicular to the base area.6. The button cell as claimed in claim 1 , wherein the cut edge of the cover part rests in the planar floor region of the cup part.7. The button cell as claimed in claim 1 , wherein the film seal is polyamide or PEEK thermoplastic film.8. A method for manufacturing the button cell comprising:providing a bowl-shaped cover part with a planar floor region and a lateral surface region adjacent thereto and extending up to a cut edge,providing a bowl-shaped cup part with a first planar floor region and a first lateral surface region adjacent thereto and extending up to a first cut edge,providing a bowl-shaped cover ...

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Номер записи: 69
08-08-2013 дата публикации

RECHARGEABLE BATTERY HAVING A WALL ELEMENT AND WALL ELEMENT THEREFOR

Номер: US20130202949A1
Автор: Bremer Dirk, Streuer Peter
Принадлежит: Johnson Controls Autobatterie GmbH & Co. KGaA

The invention relates to a rechargeable battery comprising a battery housing which has a cell cavity, or several cell cavities separated by dividing walls. One or more of the cell cavities have at least one respective positive and negative electrode, separated from each other by at least one separator and a liquid electrolyte. One or more of the cell cavities have a respective wall element, which partitions the respective cell cavity into at least two volume chambers which communicate with one another. At least in the lower regions of the volume chambers, a communicating connection between the volume chambers for the liquid electrolytes is provided and in the upper region of the volume chambers, a pressure compensation connection between the volume chambers for assuring equal air pressure in the volume chambers communicating chambers is provided. Also disclosed is a wall element for such a rechargeable battery, and a battery housing. 1. A rechargeable battery having a battery housing , which has a cell cavity or a plurality of cell cavities separated from one another by partition walls , wherein a positive and a negative electrode , separated from one another by at least one separator , and liquid electrolyte is provided in one or more of the cell cavities , and a wall element is also provided in one or more of the cell cavities , said wall element dividing the respective cell cavity into at least two volumes communicating with one another , wherein , in the lower region of the volumes , a communicating connection is provided between the volumes for the liquid electrolyte , and , in the upper region of the volumes , a pressure compensation connection is provided between the volumes in order to ensure an equal air pressure in the volumes communicating with one another , characterized in that the wall element is formed as a separate component that can be inserted into a cell cavity and that , in the wall portion located to the front during insertion of the wall ...

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Номер записи: 70
08-08-2013 дата публикации

ELECTROCHEMICAL DEVICE

Номер: US20130202951A1
Автор: Goto Kyotaro, Kawai Yuki
Принадлежит:

An electrochemical device which is free from deterioration of properties due to a process of joining a rigid case and a conductive lid is provided. A welded part PP of a conductive lid and a welded frame member are joined each other by laser welding. A weld bead for joining the welded part PP and the welded frame member is not exposed to an internal space of a rigid package therefore, fused material, the coagulum thereof, or the like created during laser welding are prevented from entering into the internal space of the rigid package 1. An electrochemical device comprising:a rigid package;a storage element and an electrolytic solution enclosed in an internal space of the rigid package; anda negative electrode terminal and a positive electrode terminal formed on the bottom face of the rigid package,wherein the rigid package includes a rigid case having a cavity providing an upward opening and a conductive lid sealing the upward opening of the cavity in a watertight and airtight manner, the rigid case including a first wire for electrically connecting a negative electrode plate of the storage element to the negative electrode terminal via the conductive lid and a second wire for electrically connecting a positive electrode plate of the storage element to the positive electrode terminal;a welded frame member having a predetermined width is formed integrally on the top of the rigid case so as to surround the cavity; anda welded part and the welded frame member are joined to each other by laser welding such that a weld bead formed by laser welding at the welded part and the welded frame member is not exposed to the internal space of the rigid package.2. The electrochemical device of wherein the weld bead is formed such that the width thereof is smaller than the width of the welded frame member and the weld bead lies through the substantial center of the width of the welded frame member.3. The electrochemical device of wherein a face of the welded frame member is composed ...

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Номер записи: 71
08-08-2013 дата публикации

SECONDARY BATTERY

Номер: US20130202952A1
Автор: Kim Jae-Hyung
Принадлежит: Samsung SDI Co., Ltd.

A secondary battery including: an electrode assembly; a case receiving the electrode assembly and including a plurality of stepped sections at an inner side of the case in contact with the electrode assembly; and at least one electrode tab electrically connected with the electrode assembly and withdrawn toward an outside of the case. In the secondary battery, a friction force between the inner side of the case and the electrode assembly is increased due to the plurality of stepped sections, thereby minimizing or reducing movement of the electrode assembly within the case. 1. A secondary battery comprising:an electrode assembly;a case receiving the electrode assembly and including a plurality of stepped sections at an inner side of the case in contact with the electrode assembly; andat least one electrode tab electrically connected with the electrode assembly and withdrawn toward an outside of the case.2. The secondary battery of claim 1 , wherein the case comprises at least two stacked layers.3. The secondary battery of claim 2 , wherein the at least two stacked layers comprise:a first layer at the inner side of the case, the first layer contacting the electrode assembly in a receiving space of the case and including the stepped sections; anda second layer stacked with the first layer4. The secondary battery of claim 3 , wherein the second layer has a hardness greater than a hardness of the first layer.5. The secondary battery of claim 3 , wherein the first layer comprises cast polypropylene (CPP).6. The secondary battery of claim 3 , wherein the case further comprises a third layer stacked with the second layer.7. The secondary battery of claim 6 , wherein the second layer comprises a metal claim 6 , and the third layer comprises an insulating material.8. The secondary battery of claim 3 , wherein the plurality of stepped sections includes a plurality of holes formed in the first layer claim 3 , and wherein the second layer is exposed through the holes.9. The ...

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Номер записи: 72
15-08-2013 дата публикации

BATTERY CELL MODULE, BATTERY, AND MOTOR VEHICLE

Номер: US20130207456A1
Автор: Angerbauer Ralf, Bubeck Conrad
Принадлежит:

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

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Номер записи: 73
15-08-2013 дата публикации

Battery Module with Battery Module Housing and Battery Cells

Номер: US20130207459A1
Автор: Borck Markus, Schröder Joachim
Принадлежит: fortu Intellectual Property AG

A battery module comprises a battery module housing with parts made of plastic and a plurality of prismatic battery cells that have a cell housing with four side walls. Two parallel side walls are larger than the two other side walls. The electrolyte of the battery cells is preferably SO-based. 123.-. (canceled)24. A battery module comprising a battery module housing with parts made of plastic and a plurality of prismatic battery cells that have a cell housing with four side walls , two parallel side walls being larger than the two other side walls ,whereinthe battery module housing has a cooling system with a channel structure and a fluid coolant,the channel structure has a fluid connection with a coolant inlet and a coolant outlet of the battery module housing,an intermediate wall made of plastic is located between two adjacent battery cells essentially parallel to the larger side walls of the battery cell,one channel of the channel structure runs at least partially in the intermediate wall and is formed by means of a recess in the intermediate wall that is open at least to one adjacent side wall of the battery cell,a plastic separating layer, whose thickness is less than the thickness of the intermediate wall, is arranged between the side wall of the battery cell and the intermediate wall in such a manner that the channel of the cooling system formed by the recess is closed by the plastic separating layer.25. The battery module according to claim 24 , wherein said plastic separating layer material is different from the material of the intermediate wall.26. The battery module according to claim 24 , wherein the intermediate wall has an intermediate wall side wall that is part of a side wall of the battery module housing.27. The battery module according to claim 24 , wherein the intermediate wall comprises holding elements to hold an adjacent battery cell.28. The battery module according to claim 27 , wherein said holding elements being at least parts of an ...

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Номер записи: 74
15-08-2013 дата публикации

ELECTROCHEMICAL ENERGY CONVERTER DEVICE WITH A CELL HOUSING, A BATTERY WITH AT LEAST TWO OF SAID ELECTROCHEMICAL ENERGY CONVERTER DEVICES, AND A METHOD FOR THE MANUFACTURE OF AN ELECTROCHEMICAL ENERGY CONVERTER DEVICE

Номер: US20130207596A1
Автор: Hufenbach Werner, Schaefer Tim, Zichner Marco
Принадлежит: LI-TEC BATTERY GMBH

An electrochemical energy converter device () with at least one in particular rechargeable electrode assembly (), which is provided so as to make electrical energy available, at least temporarily, in particular to a consumer load, which has at least two electrodes () of differing polarity, with at least one current conducting device (), which is provided to be electrically connected, preferably materially connected, with one of the electrodes () of the electrode assembly (), with a cell housing () with a first housing part (), wherein the first housing part () is provided so as to enclose the electrode assembly () at least in certain sections. 28889999299abaaa. The electrochemical energy converter device in accordance with claim 1 , characterised in that claim 1 , the at least one functional device ( claim 1 , claim 1 , ) has at least one functional element ( claim 1 , ) claim 1 , wherein the at least one functional element ( claim 1 , ) is operationally connected with the electrode assembly () claim 1 , in particular is electrically connected claim 1 , wherein the at least one functional element ( claim 1 , ) is preferably designed as:{'b': 16', '16, 'i': 'a', 'a pole contact section (, ), an electrode connection section, a conducting track, an opening, a voltage probe, a current probe, a temperature probe, a pressure sensor, a material sensor, a gas sensor, a fluid sensor, a location sensor, an acceleration sensor, a control device, an application-specific integrated circuit, a microprocessor, a switching device, a current interrupter, a current limiter, a discharge resistance, a pressure release device, a fluid passage, a positioning device, an actuator, a data storage device, a bleeper, a light-emitting diode, an infrared interface, a GSM module, a first short-range radio device or transponder.'}31888ab. The converter cell () in accordance claim 1 , characterised in that claim 1 , the at least one functional device ( claim 1 , claim 1 , ) at least:is designed to ...

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Номер записи: 75
15-08-2013 дата публикации

Electric storage element and method for manufacturing electric storage element

Номер: US20130209859A1
Автор: Hirokazu KAMBAYASHI, Shogo TSURUTA, Syun Ito
Принадлежит: GS YUASA INTERNATIONAL LTD

An electric storage element includes: an electrode body having a positive electrode and a negative electrode; a case for housing the electrode body; an insulating member arranged in the case to insulate the electrode body from the case; and a spacer arranged in the case. The spacer is arranged between the insulating member and the electrode body.

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Номер записи: 76
15-08-2013 дата публикации

ALKALINE BATTERY

Номер: US20130209864A1
Автор: Ishitani Yoshiaki, Kuniya Shigeyuki
Принадлежит: FDK ENERGY CO., LTD.

There is provided An inside-out alkaline battery, including: a cylindrical cathode can that has a bottom, that performs a function of a cathode current collector, that has a nickel-plated layer on an inner surface of the cathode can, and that has a coating on a surface layer of the nickel-plated layer, 1. An inside-out alkaline battery , comprising: that has a bottom,', 'that performs a function of a cathode current collector,', 'that has a nickel-plated layer on an inner surface of the cathode can, and', the coating being composed of nickel-cobalt alloy,', 'a thickness of the coating being between 0.15 μm and 0.25 μm (both inclusive),', 'a ratio of cobalt in the nickel-cobalt alloy being between 40% and 60% (both inclusive); and, 'that has a coating on a surface layer of the nickel-plated layer,'}], 'a cylindrical cathode can'} that is disposed in the cathode can,', 'that is annular in shape, and', 'that contains a cathode active material., 'a cathode mixture'}2. An alkaline battery according to claim 1 , whereinthe inner surface of the cylindrical cathode can has a roughness Ra value between 1.0 μm and 1.5 μm (both inclusive) in a circumferential direction. The invention relates to an alkaline battery, particular to an alkaline battery which has low environmental impact at manufacturing and can increase its productivity.shows a common configuration of alkaline batteries. The illustrated alkaline battery is an LR14 alkaline battery having a cylindrical shape; is a longitudinal sectional view in which the direction of the cylinder axis is a longitudinal direction, and is a magnified view of a circle in . The alkaline battery has a so-called inside-out construction. The alkaline battery includes: a cylindrical cell can (cathode can) which is made of metal and has a bottom; a cathode mixture which is annular in shape; a cylindrical separator which is disposed inside the cathode mixture and has a bottom; an anode gel which contains zinc alloy and fills the separator ; ...

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Номер записи: 77
15-08-2013 дата публикации

BATTERY PACK LOCK STRUCTURE AND ELECTRONIC APPARATUS

Номер: US20130209866A1
Автор: WATANABE Yoshitaka
Принадлежит: NEC CASIO MOBILE COMMUNICATIONS, LTD.

The present invention simplifies locking of a battery pack () within a cell-phone lower case (). A battery lock member () has a first inclined surface that permits sliding of the battery lock member () in such a way that an operation of housing the battery pack () in the battery pack housing () causes an engagement protrusion (), which is formed to protrude from a side face of the battery pack (), to slide in contact with the first inclined surface, thereby releasing the locking, and a second inclined surface that permits sliding of the battery lock member () in such a way that an operation of attaching a battery lid () to a battery lid holder () causes a depression protrusion (), which is formed to protrude from the bottom face of the battery lid (), to slide in contact with the second inclined surface, thereby achieving the locking. 1. A battery pack lock structure comprising:a battery pack housing provided on an electronic apparatus body for housing a battery pack;a battery lid detachably attached to the electronic apparatus body to close an opening of the battery pack housing; anda battery lock member for locking the battery pack,the battery lock member having a first inclined surface that permits sliding of the battery lock member in such a way that an operation of housing the battery pack causes a first portion of the battery pack to slide in contact with the first inclined surface, thereby releasing the locking, and a second inclined surface that permits sliding of the battery lock member in such a way that an operation of attaching the battery lid causes a second portion of the battery lid to slide in contact with the second inclined surface, thereby achieving the locking.2. The battery pack lock structure according to claim 1 , wherein the battery lock member further has a third inclined surface that permits sliding of the battery lock member in such a way that an operation of detaching the battery pack causes the first portion of the battery pack to slide ...

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Номер записи: 78
15-08-2013 дата публикации

NI-PLATED STEEL SHEET WITH EXCELLENT PRESSABILITY FOR BATTERY CAN

Номер: US20130209867A1
Автор: Minagi Hideyuki, Okamatsu Eiji
Принадлежит: Toyo Kohan Co., Ltp

Provided is a Ni-plated steel sheet being excellent in press formability and suppression of wear of a mold and capable of maintaining alkali battery characteristic even after a lapse of time. In a Ni-plated steel sheet for a battery can having excellent press formability, an Fe—Ni diffusion layer and a Ni layer formed on the Fe—Ni diffusion layer are formed on a surface of a steel sheet corresponding to an outer surface of the battery can, a semi-bright Ni plating layer is formed on the Ni layer, a Ni coating weight of the Fe—Ni diffusion layer and the Ni layer formed on the Fe—Ni diffusion layer is set equal to or smaller than a Ni coating weight of the semi-bright Ni plating layer, the Ni coating weight of the semi-bright Ni plating layer is 2.25 g/mor more, surface roughness Ra1 of a surface of the semi-bright Ni plating layer in an area of 2.5 μm×2.5 μm which is measured by an atomic force microscope falls within a range from 3 to 11 nm, and surface roughness Ra2 measured by a traceable roughness gauge is 0.3 μm or more and 2.0 μm or less with respect to the surface roughness Ra of the semi-bright Ni plating layer. 1. A Ni-plated steel sheet for a battery can having excellent press formability , whereinan Fe—Ni diffusion layer and a Ni layer formed on the Fe—Ni diffusion layer are formed on a surface of a steel sheet corresponding to an outer surface of the battery can,a semi-bright Ni plating layer is formed on the Ni layer,a Ni coating weight of the Fe—Ni diffusion layer and the Ni layer formed on the Fe—Ni diffusion layer is set equal to or smaller than a Ni coating weight of the semi-bright Ni plating layer,{'sup': '2', 'the coating weight of the semi-bright Ni plating layer is 2.25 g/mor more,'}surface roughness Ra1 of a surface of the semi-bright Ni plating layer in an area of 2.5 μm×2.5 μm measured by an atomic force microscope falls within a range from 3 to 11 nm, andsurface roughness Rat of the surface of the semi-bright Ni plating layer measured by a ...

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Номер записи: 79
15-08-2013 дата публикации

LITHIUM ION BATTERY EXTERIOR MATERIAL

Номер: US20130209868A1
Автор: Echizen Hidenori, Jikumaru Takashi, Suzuta Masayoshi
Принадлежит: TOPPAN PRINTING CO.,LTD.

A lithium ion battery exterior material, includes: a base material layer, and a sequentially laminated adhesive layer, aluminum foil layer provided with a corrosion prevention treated layer, and an adhesive resin layer on one surface of the base material layer; wherein, the adhesive resin layer contains an acid-modified polyolefin resin and a miscible elastomer dispersed in the acid-modified polyolefin at a dispersed phase size of 1 nm to less than 1 μm. 1. A lithium ion battery exterior material , comprising:a base material layer, and an adhesive layer, an aluminum foil layer provided with a corrosion prevention treated layer, and an adhesive resin layer being sequentially laminated on one surface of the base material layer, the adhesive resin layer containing an acid-modified polyolefin resin and a miscible elastomer dispersed in the acid-modified polyolefin at a dispersed phase size of 1 nm to less than 1 μm, wherein the acid-modified polyolefin resin is a resin that has been graft-modified with one or more compounds of unsaturated carboxylic acid derivative components selected from the group consisting of unsaturated carboxylic acids, acid anhydrides of unsaturated carboxylic acids and esters of unsaturated carboxylic acids.2. The lithium ion battery exterior material according to claim 1 , wherein the adhesive resin layer contains an immiscible elastomer dispersed in the acid-modified polyolefin resin at a dispersed phase size of 1 μm to less than 1000 μm.3. (canceled)4. The lithium ion battery exterior material according to claim 1 , wherein an absolute value of birefringence following a heat treatment of a thermoplastic resin layer is 0.002 or less and a degree of crystallization is 60% or less claim 1 , the thermoplastic resin layer being composed of the adhesive resin layer and a sealant layer provided on an opposite surface of the adhesive resin layer from the base material layer.5. The lithium ion battery exterior material according to claim 1 , wherein a ...

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Номер записи: 80
22-08-2013 дата публикации

Electrochemical energy converter device with a cell housing, battery with at least two of these electrochemical energy converter devices and alsomethod for producing an electrochemical energy converter device

Номер: US20130216867A1
Автор: Hufenbach Werner, Praas Hans-Walter, Schaefer Tim, Zichner Marco
Принадлежит: LI-TEC BATTERY GMBH

An electrochemical energy converter device () with at least one in particular rechargeable electrode assembly (), which is provided to provide electrical energy at least intermittently to a consumer in particular, which has at least two electrodes () of different polarity, with at least a current conduction device (), which is provided to be electrically, preferably materially connected to one of the electrodes () of the electrode assembly (), with a cell housing () with a first housing part (), wherein the first housing part () is provided to encompass the electrode assembly () at least in certain areas. 21. The converter cell () according to claim 1 , characterised in that{'b': 6', '7', '7', '8', '8, 'i': a', 'a', 'a, 'the first housing part () has at least one second support element (), wherein the second support element () is provided to support at least one of these functional devices (, ),'}{'b': 6', '8', '8', '5', '26', '8', '8', '26', '7', '7, 'i': a', 'a, 'the first housing part () has at least two of these functional devices (, a) and an insulating device (), wherein the two functional devices (, ) and the insulating device () are arranged between the first support element () and the second support element (),'}{'b': 8', '8, 'i': 'a', 'the first functional device () and the second functional device () are constructed to be electrically conductive, preferably are constructed as metal films in each case,'}{'b': 8', '3', '2', '8', '3', '2, 'i': a', 'a, 'the first functional device () is in particular electrically connected to one of the electrodes () of first polarity of the electrode assembly () and the second functional device () is electrically connected to one of the electrodes () of second polarity of the electrode assembly (),'}{'b': 26', '8', '8', '26, 'i': 'a', 'the insulating device () is configured to at least temporarily electrically insulate the first functional device () with respect to the second functional device (), wherein this configuration ...

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Номер записи: 81
22-08-2013 дата публикации

CAP ASSEMBLY AND SECONDARY BATTERY USING THE SAME

Номер: US20130216870A1
Автор: Kim Sung-Jong, Ku Cha-Hun, LEE Je-Jun
Принадлежит: LG CHEM, LTD.

Cap assembly, coupled to an open end of a battery can free from a beading portion, includes a top cap at an uppermost portion in a protrusive form forming a cathode terminal, a safety element below the top cap contacting the top cap, a safety vent contacting the safety element, a gasket surrounding outer circumferences of top cap, the safety element and vent, a cover surrounding the gasket so the top cap, safety element and vent adhere to each other, and a welding member at an upper portion of the cover having an outer end protruding more outwards than the outer end of the cover placed on the open end of the battery can, the welding member having a first notch at an upper surface thereof, protruding more than the outer end of the cover, and welded to the open end of the battery can where first notch is formed. 1. A cap assembly for a secondary battery , coupled to an open end of a battery can free from a beading portion , the cap assembly comprising:a top cap disposed on an uppermost portion in a protrusive form to form a cathode terminal;a safety element disposed below the top cap to contact the top cap;a safety vent disposed to contact the safety element;a gasket surrounding outer circumferences of the top cap, the safety element and the safety vent;a cover surrounding the gasket so that the top cap, the safety element and the safety vent closely adhere to each other; anda welding member disposed at an upper portion of the cover and having an outer end located to protrude more outwards than the outer end of the cover so as to be placed on the open end of the battery can, the welding member having a first notch formed at an upper surface thereof, which protrudes more than the outer end of the cover, and being welded to the open end of the battery can at a portion where the first notch is formed.2. The cap assembly for a secondary battery according to claim 1 , wherein the welding member is welded to the cover.3. The cap assembly for a secondary battery according to ...

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Номер записи: 82
22-08-2013 дата публикации

PRISMATIC ELECTROCHEMICAL CELL

Номер: US20130216872A1
Автор: Fuhr Jason D., Houchin-Miller Gary P., Obashih Kem M., Pacheco Anthony C., Swoyer Jeffrey L., Zhang Xugang
Принадлежит: Johnson Controls Technology Company

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

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Номер записи: 83
22-08-2013 дата публикации

POUCH TYPE CASE AND BATTERY PACK INCLUDING THE SAME

Номер: US20130216880A1
Автор: Park Hyo Seok, PARK Hyun Woo, SHIN Young Joon
Принадлежит: LG CHEM, LTD.

The present invention relates to a pouch type case having trimming portions formed on both sides or four corners thereof and a battery pack including the same. The trimming portions are formed on the corners of the pouch type case such that the trimming portions are indented toward an electrode assembly accommodating part to reduce a unit area so as to increase pressure applied to unit cells when a battery pack is assembled, thereby facilitating assembling of the battery pack and increasing cell capacity per unit area. Furthermore, the unit cells can be fixed in the battery pack more stably. The pouch type case reduces the unit area so as to include a relatively large number of cells for pressure applied to the cells when the battery pack is assembled to thereby increase the cell capacity. 1. A pouch type case comprising a space accommodating an electrode assembly comprising a positive plate , a negative plate and a separator interposed between the positive plate and the negative plate and a sealing part sealing up an upper case and a lower case ,wherein a portion of the space and sealing part, which corresponds to at least one of the left and right sides of an electrode lead projected to the outside of the case, includes a trimming portion intended toward the electrode assembly.2. The pouch type case of claim 1 , wherein the trimming portion is spaced apart from the electrode lead and the top end of the electrode assembly by a distance corresponding to the width of the sealing part.3. The pouch type case of claim 1 , wherein the trimming portion is spaced apart from the electrode lead by longer than 6 mm and shorter than the width of the electrode lead and spaced apart from the top end of the electrode assembly by longer than 3 mm and shorter than the length of the electrode lead.4. The pouch type case of claim 1 , wherein the trimming portion has one of circular claim 1 , oval claim 1 , straight-line claim 1 , rectangular claim 1 , triangular claim 1 , parabola ...

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Номер записи: 84
29-08-2013 дата публикации

BATTERY CONTROL DEVICE

Номер: US20130224534A1
Автор: HAUSBERGER Ingo, KLOBASA Roland, LETTNER Markus, TRSEK Martin
Принадлежит: MAGNA Battery Systems GmbH & Co OG

A battery control device having a battery system having a plurality of cells, a first electronic unit, a second electronic unit having a ground potential operatively connected to a potential of the battery system, a communication link including an electric isolation and a communication line having an electromagnetic shielding at least in sections, the communication link being configured to operatively connect and enable communication between the first electronic unit and the second electronic unit. The electromagnetic shielding is operatively connected to the ground potential of the second electronic unit. 1. Battery control device comprising:a battery system having a plurality of cells;a first electronic unit;a second electronic unit having a ground potential operatively connected to a potential of the battery system;a communication link including an electric isolation and a communication line having an electromagnetic shielding at least in sections, the communication link being configured to operatively connect and enable communication between the first electronic unit and the second electronic unit,wherein the electromagnetic shielding is operatively connected to the ground potential of the second electronic unit.2. The battery control device of claim 1 , wherein the first electronic unit comprises a battery management unit.3. The battery control device of claim 1 , wherein the second electronic unit comprises a cell supervisory controller.4. The battery control device of claim 1 , wherein the electric isolation is arranged between the first electronic unit and the communication line.5. The battery control device of claim 1 , wherein the electric isolation comprises an optocoupler or by inductive or capacitive transmission.6. The battery control device of claim 1 , wherein the electric isolation comprises an inductive transmission.7. The battery control device of claim 1 , wherein the electric isolation a capacitive transmission.8. The battery control device of ...

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Номер записи: 85
29-08-2013 дата публикации

MOLTEN-SALT BATTERY AND MOLTEN-SALT BATTERY CONNECTED BODY

Номер: US20130224566A1
Автор: FUKUNAGA Atsushi, Inazawa Shinji, Majima Masatoshi, Nitta Koji, Sakai Shoichiro
Принадлежит: Sumitomo Electric Industries, Ltd

This molten-salt battery is provided with a battery container for housing a power generation element that contains molten salt. The battery container is provided with a container body () and a lid (). An opening (E) is provided in the upper surface of the container body (). The lid () is fitted in the opening (E) of the container body () and is welded to the container body (). A step (G) is formed to the opening (E) of the container body () along the inner edge of the container body (). By means of the step (G), the rim (A) of the lid () is supported with respect to the upper corner of side walls (A, B). Laser light is radiated from above to the rim (A) of the lid () and the upper surface of the side walls (A, B) adjacent thereto. In this way, the rim (A) of the lid () is welded to the container body (). The molten-salt battery connected body is configured from a plurality of molten-salt batteries. The molten-salt batteries are connected aligned in the horizontal direction in the state of the outer peripheral surfaces of the container bodies () of adjacent molten-salt batteries being caused to face each other. 1. A molten-salt battery comprising a battery container that houses an electric generation element containing a molten salt ,wherein the battery container includes a container body having an opening at the top thereof and a lid having a rim portion, andthe rim portion of the lid is fitted in the opening and welded to the container body.2. The molten-salt battery according to claim 1 ,wherein the opening of the container body is formed with a stepped portion along the inner peripheral edge of the container body, andthe rim portion of the lid is supported by the stepped portion.3. The molten-salt battery according to claim 1 ,wherein the opening of the container body is formed with a protrusion along the inner peripheral edge of the container body, andthe rim portion of the lid is supported by the protrusion.4. A molten-salt battery comprising a battery ...

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Номер записи: 86
29-08-2013 дата публикации

Housing for accommodating at least one rechargeable battery cell

Номер: US20130224567A1
Автор: Josef Baumgartner, Thomas Heinrich, Wolf Matthias
Принадлежит: ROBERT BOSCH GMBH

A housing for accommodating at least one rechargeable battery cell, having a terminal region for the electrical contacting of the housing to a device that is operated with an electric motor, in particular to a hand tool, and having at least one connecting line at one side of the at least one rechargeable battery cell, with which the at least one rechargeable battery cell is at least mediately electrically contacted at a pole, the at least one connecting line being guided in particular parallel to the extension of the rechargeable battery cell on the side of the rechargeable battery cell situated opposite the point of connection to the rechargeable battery cell. The housing has a separate cable channel in which the at least one connecting line is guided so as to be spatially separated from the at least one rechargeable battery cell.

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Номер записи: 87
29-08-2013 дата публикации

MOLTEN SALT BATTERY

Номер: US20130224568A1
Автор: FUKUNAGA Atsushi, Inazawa Shinji, Majima Masatoshi, Nitta Koji, Sakai Shoichiro, YAMAGUCHI Atsushi
Принадлежит: Sumitomo Electric Industries, Ltd.

A plurality of rectangular plate-like negative electrodes and a plurality of rectangular plate-like positive electrodes are laterally stacked so as to face each other alternately with rectangular plate-like separators being respectively interposed therebetween, and are housed in a battery container formed of an aluminum alloy. The inner surface of the battery container is insulated by forming an alumite coating film thereon. Rectangular tabs (lead wires) for drawing a current from the positive electrodes are connected to one another via a tab lead, and rectangular tabs for drawing a current from the negative electrodes are connected to one another via a tab lead. 1. A molten salt battery comprising a positive electrode and a negative electrode housed in a battery container formed of a conductor , the positive electrode and the negative electrode facing each other with a separator interposed therebetween , the separator containing a molten salt , wherein the battery container is insulated against the positive electrode and the negative electrode;one or more of the positive electrodes, and a plurality of the separators and negative electrodes are included, respectively;the positive electrodes and the negative electrodes are stacked alternately, with negative electrodes placed at both ends in the stacking direction; andthe positive electrodes and the negative electrodes are connected to one another in parallel, respectively.2. The molten salt battery according to claim 1 , wherein an insulating film is formed partially or entirely on the inner surface of the battery container.3. The molten salt battery according to claim 2 , wherein the insulating film is an alumite coating film.4. The molten salt battery according to claim 2 , wherein the insulating film is formed of a fluororesin.5. The molten salt battery according to claim 2 , wherein the insulating film contains at least one of a polyolefin resin claim 2 , a polyester resin claim 2 , a polycarbonate (PC) resin and ...

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Номер записи: 88
29-08-2013 дата публикации

METAL OXYGEN BATTERY

Номер: US20130224569A1
Автор: Hori Mao, Kinoshita Tomohiro, NAKADA Satoshi, SAIMEN Kazuki, Saito Bunichi, Sakai Hiroshi, Takahata Masahiro, Tanaami Kiyoshi, Tanaka Akihisa, TANIUCHI Takuya
Принадлежит: HONDA MOTOR CO., LTD.

Provided is a metal oxygen battery having an excellent charge/discharge capacity and cycle performance. A metal oxygen battery includes a positive electrode containing an oxygen-storing material and to which oxygen is applied as an active substance, a negative electrode to which a metal is applied as an active substance, an electrolyte layer disposed between the positive electrode and the negative electrode, and a case hermetically housing the positive electrode, the negative electrode and the electrolyte layer. The oxygen-storing material has the functions of, during discharge, ionizing stored oxygen and releasing ionized oxygen, and causing the ionized oxygen to react with metal ions permeating from the negative electrode through the electrolyte layer into the positive electrode to thereby form a metal oxide, and of, during charge, storing oxygen by reduction of the metal oxide. The metal oxide formed during discharge contains an amorphous oxide. 1. A metal oxygen battery , comprising:a positive electrode comprising an oxygen-storing material to which oxygen is applied as an active substance;a negative electrode to which a metal is applied as an active substance;an electrolyte layer disposed between the positive electrode and the negative electrode; anda case hermetically housing the positive electrode, the negative electrode and the electrolyte layer,wherein the oxygen-storing material comprises functions of, during discharge, ionizing stored oxygen and releasing ionized oxygen, and causing the ionized oxygen to react with metal ions permeating from the negative electrode through the electrolyte layer into the positive electrode to thereby form a metal oxide, and of, during charge, storing oxygen formed by reduction of the metal oxide; andduring discharge, the oxygen-storing material ionizes stored oxygen and releases ionized oxygen, and causes the ionized oxygen to react with metal ions permeating from the negative electrode through the electrolyte layer into ...

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Номер записи: 89
29-08-2013 дата публикации

SYSTEM FOR THE STORAGE OF ELECTRIC ENERGY FOR A VEHICLE WITH ELECTRIC PROPULSION AND PRESENTING CYLINDRICAL CHEMICAL BATTERIES EMBEDDED IN A SUPPORT MATRIX

Номер: US20130224574A1
Автор: Favaretto Fabrizio
Принадлежит: FERRARI S.P.A.

A system for the storage of electric energy for a vehicle with electric propulsion, which presents a longitudinal direction, which is parallel to the direction of the rectilinear motion, and a transverse direction, which is perpendicular to the longitudinal direction; the storage system is provided with a pack of chemical batteries, which are connected to each other in series and 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 which the chemical batteries are embedded so that the chemical batteries are completely covered by the support matrix itself. 1. A system for the storage of electric energy for a vehicle with electric propulsion that extends in a longitudinal direction that is parallel to a direction of motion , and a transverse direction that is perpendicular to the longitudinal direction comprising:a pack of chemical batteries, which are connected to each other in series and in parallel and comprise respective electrochemical cells, wherein each chemical battery has a cylindrical shape having a central symmetry axis;{'b': '22', 'wherein a support matrix () made of plastic material is provided, inside which the chemical batteries are embedded so that the chemical batteries are completely covered by the support matrix.'}2. A storage system 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 collapse by getting deformed in case of crash.3. A storage system according to claim 1 , wherein the support matrix has an adjusted mechanical strength which is lower than the mechanical strength of the single chemical batteries to collapse during a crash by deforming while the single chemical batteries maintain shape and are displaced with respect to the support matrix.4. A storage system ...

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Номер записи: 90
05-09-2013 дата публикации

Hermetically-Sealed Feed-Through Device

Номер: US20130230750A1
Автор: DiDomizio Richard A., Doucet William P., Pollack Michael J.
Принадлежит: POLLACK LABORATORIES, INC.

A hermetically-sealed electrical feed-through device includes a conductor, an insulating sleeve, and an outer ferule interconnected in a manner preventing relative rotation therebetween and/or includes a thermocouple in direct contact with the conductor for monitoring temperature. The conductor can have a body section extending along an axis and having an outer contour including flats or an outwardly-extending eccentrically-shaped lobe. The sleeve confronts and covers the body section of the conductor and accommodates and engages the outer contour at the flats or lobe to prevent rotation of the conductor relative to the sleeve, and the outer ferrule sandwiches the insulating sleeve between the outer ferrule and the outer contour of the conductor. The outer ferrule accommodates and engages the sleeve adjacent the outer contour of the conductor at the flats or lobe to prevent rotation of the insulator sleeve relative to the outer ferrule.

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Номер записи: 91
05-09-2013 дата публикации

HOUSING FOR MERCURY-FREE BUTTON CELLS

Номер: US20130230763A1
Автор: Akca Kemal, Csrenko Cornelia, Freudenberger Renate, Kreidler Bernd
Принадлежит: VARTA MICROBATTERY GMBH

A method of producing a bowl-shaped housing half-part provided with a copper alloy interiorly of the housing of a mercury-free button cell includes (1) providing a clad material with a layer of nickel, a layer of copper and an intermediate layer of steel or high-grade steel, which is provided on a copper side with an additional coating including at least one metal selected from the group consisting of tin, zinc, indium and bismuth, (2) shaping a bowl-shaped housing half-part made of the clad material, wherein the layer of nickel forms an outside portion and the additional coating forms an inside portion of the bowl-shaped housing half-part, and (3) heat treating the housing half-part at a temperature where the at least one metal selected from the group consisting of tin, zinc, indium and bismuth is alloyed with the copper of the copper layer.

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Номер записи: 92
05-09-2013 дата публикации

SECONDARY BATTERY

Номер: US20130230767A1
Автор: Hong Ki-Sung, Pak Ki-Sik
Принадлежит: Samsung SDI Co., Ltd.

A secondary battery includes an electrode assembly including a pair of electrodes separated from each other by a separator, a battery case including a front portion bonded to a back portion to produce wing portions at opposite edges of the battery case, the electrode assembly being arranged within an accommodating portion of the battery case, the accommodating portion being arranged between the wing portions, an insulating member arranged at each of said wing portions of the battery case and a bonding portion arranged at each of said wing portions to attach said wing portions to the accommodating portion of the battery case. The bonding portion may be a double sided tape and may be integrally provided with the insulating member to simplify manufacturing process thereof. 1. A pouch-type secondary battery , comprising:an electrode assembly including a pair of electrodes separated from each other by a separator;a battery case including a front portion bonded to a back portion to produce wing portions at opposite edges of the battery case, the electrode assembly being arranged within an accommodating portion of the battery case, the accommodating portion being arranged between the wing portions;an insulating member arranged at each of said wing portions of the battery case; anda bonding portion arranged at each of said wing portions to attach said wing portions to the accommodating portion of the battery case.2. The battery of claim 1 , further comprised of the bonding portion being integrally provided with the insulating member.3. The battery of claim 1 , further comprised of each wing portion of the battery case having a first side facing the accommodating portion and a second and opposite side facing away from the accommodating portion claim 1 , the insulating member covering both the first and second sides.4. The battery of claim 3 , further comprised of the bonding portion being arranged between the first side of the wing portion and the accommodating portion of ...

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Номер записи: 93
12-09-2013 дата публикации

CELL ASSEMBLIES WITH NEUTRAL CASES

Номер: US20130236757A1
Автор: Haidari Hashmatullah, Lei Norman, Tikhonov Konstantin
Принадлежит: LEYDEN ENERGY

Provided are electrochemical cell assemblies and methods of fabricating thereof. A cell assembly includes an anode containing lithium titanium oxide and a cathode forming a jellyroll together with the anode. Each of the electrodes is connected to a separate cap and electrically insulated from the case. As such, the case is electrochemically neutral and may be made from a larger selection of materials. For example, a case may be made from steel that would otherwise dissolve if exposed to the anode potential during cycling of the battery. Some of these case materials simplify processing and sealing characteristics. In certain embodiments, a case may be crimped around each of the caps and corresponding gaskets to provide sealing interfaces. The caps or at least their surfaces exposed to the electrolyte are made from materials that are electrochemically stable at corresponding potentials of the electrodes. 1. An electrochemical cell assembly comprising:an anode comprising lithium titanium oxide,a cathode wound into a jellyroll subassembly together with the anode;an electrolyte providing ionic communication between the cathode and anode;a first cap in electrical communication with the anode, the first cap having a first electrolyte facing surface comprising a material that is electrochemically stable at operating potentials of the lithium titanium oxide;a second cap in electrical communication with the cathode, the cap having a second electrolyte facing surface comprising aluminum; anda case attached to and insulated from the first cap at a first end of the case and attached to and insulated from the second cap at a second end of the case, the case being electrically insulated from the cathode and the anode of the jellyroll subassembly positioned within the case.2. The electrochemical cell assembly of claim 1 , wherein the case claim 1 , the first cap claim 1 , and the second cap are round.3. The electrochemical cell assembly of claim 1 , further comprising a first ...

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Номер записи: 94
12-09-2013 дата публикации

ELECTRIC STORAGE DEVICE

Номер: US20130236770A1
Автор: Masuda Hideki
Принадлежит: GS Yuasa International Ltd.

An electric storage device includes an electrode assembly and an outer case. The electrode assembly has at least one convex portion. The outer case accommodates the electrode assembly and has an inner wall with a recess in portion thereof opposite the at least one convex portion of the electrode assembly. 1. An electric storage device comprising:an electrode assembly having at least one convex portion; andan outer case accommodating the electrode assembly and having an inner wall with a recess in portion thereof opposite the at least one convex portion of the electrode assembly.2. The electric storage device according to claim 1 , wherein the portion including the recess is a portion of the inner wall adjacent to the convex portion of the electrode assembly.3. The electric storage device according to claim 1 , wherein the recess has a shape corresponding to a shape of the convex portion of the electrode assembly.4. The electric storage device according to claim 1 , whereinthe electrode assembly has a flattened roll-like shape with a cross section having a first dimension smaller than a second dimension, the first dimension measuring in a first direction, the second dimension measuring in a second direction that is perpendicular to the first direction, andthe inner wall including the recess is opposite the electrode assembly in the second direction.5. The electric storage device according to claim 4 , wherein the recess is provided only in the inner wall opposite the electrode assembly in the second direction.6. The electric storage device according to claim 4 , wherein an end of the electrode assembly in the second direction and the recess have arc-like shapes in a cross section perpendicular to an axial direction of the electrode assembly with centers of curvatures thereof being at a same point in the first direction and a curvature radius of the recess being equal to or larger than that of the end of the electrode assembly.7. The electric storage device according ...

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Номер записи: 95
12-09-2013 дата публикации

OUTER CASING MATERIAL FOR BATTERY AND LITHIUM SECONDARY BATTERY

Номер: US20130236773A1
Автор: NAGATA Kensuke
Принадлежит: SHOWA DENKO PACKAGING CO., LTD.

An outer casing material for a battery is provided which is constituted by laminating an outer layer that includes a heat-resistant resin film, a metal foil layer, and an inner layer that includes a thermoplastic resin film, wherein a melt flow rate of the inner layer is in a range of greater than or equal to 1 and less than 10. 1. An outer casing material for a battery , wherein the casing material is formed by laminating an outer layer which includes a heat-resistant resin film , a metal foil layer and an inner layer which includes a thermoplastic resin film , anda melt flow rate of the inner layer is in a range of greater than or equal to 1 and less than 10.2. The outer casing material for a battery according to claim 1 , wherein the thickness of the inner layer is in a range of 0.1 μm to 200 μm.3. The outer casing material for a battery according to claim 1 , wherein the inner layer is made of polyolefin.4. The outer casing material for a battery according to claim 1 , wherein the inner layer comprises an intermediate layer and a pair of covering layers laminated on both sides in the thickness direction of the intermediate layer so that the intermediate layer is sandwiched by the covering layers claim 1 , and a melt flow rate of the covering layer is higher than a melt flow rate of the intermediate layer.5. The outer casing material for a battery according to claim 1 , wherein the melt flow rate of the inner layer is in a range of 1 to 5.6. The outer casing material for a battery according to claim 1 , wherein the thickness of the inner layer is in a range of 50 μm to 100 μm.7. The outer casing material for a battery according to claim 1 , wherein the outer layer and the inner layer are bonded to the metal foil layer through adhesive layers.8. The outer casing material for a battery according to claim 1 , wherein a concave portion is formed in the outer casing material by deep drawing or bulging.9. The outer casing material for a battery according to claim 1 , ...

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Номер записи: 96
12-09-2013 дата публикации

LITHIUM ION BATTERY AND CHARGER THEREOF

Номер: US20130236774A1
Автор: Liu Yun-Zhao
Принадлежит:

A lithium ion battery and a charger thereof are provided. The lithium ion battery comprises a shell (), a locating seat (), an end cover (), a battery cell (), a positive contact (), a positive plate (), a negative plate (), a positive connecting plate () and a negative connecting plate (). The shell () is a one-step-molding cylinder with an upper opening. The positive contact () extends out from a contact extending hole () of the shell (). A lower end face of the end cover () is tightly pressed on the negative plate () and the locating seat (), where the end cover () is detachably connected with the upper opening of the shell (). A cover edge of the end cover () cooperates with an end face of the upper opening of the shell (). The lithium ion battery is conveniently detachable with the charger thereof. 1. A lithium ion battery comprising a shell , a locating seat , an end cover , a battery cell , a positive contact , a positive plate , a negative plate , a positive connecting plate and a negative connecting plate;wherein the shell is a cylinder having an upper opening and a contact extending hole on a center of a bottom plate of the shell;an upper end face of the locating seat is arranged with a mounting hole of the negative plate; the locating seat further includes a through hole for positive plate and a through hole for negative plate while the through hole for negative plate communicates with the mounting hole; a lower end face of the through hole for positive plate and a lower end face of the through hole for negative plate are respectively arranged with a positive guide block and a negative guide block; the positive guide block and the negative guide block are supported by and cooperated with an end part of the battery cell;the end cover is mounted with a central hole and an upper end face thereof is arranged with a positive plate slot around the central hole; a positive plate guide hole is penetrating the end cover; a lower end face of the end cover is ...

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Номер записи: 97
12-09-2013 дата публикации

ALKALINE BATTERY

Номер: US20130236775A1
Автор: Kato Fumio, Nunome Jun, Tsukiji Machiko
Принадлежит: Panasonic Corporation

In an alkaline battery in which a positive electrode made of manganese dioxide and a negative electrode are contained in a cylindrical battery case having a closed bottom with a separator interposed between the positive and negative electrodes and and an opening of the battery case is sealed via a sealing plate with a gasket interposed between the battery case and the sealing plate, a thickness of a body of the battery case is in a range of 0.10-0.17 mm, and a half-width of a 110 plane of the manganese dioxide measured by powder X-ray diffraction is in a range of 2.30-2.70 degrees. 13-. (canceled)4. An alkaline battery in which a positive electrode containing manganese dioxide and a negative electrode are contained in a cylindrical battery case having a closed bottom with a separator interposed between the positive and negative electrodes , and an opening of the battery case is sealed via a sealing plate with a gasket interposed between the battery case and the sealing plate , whereina thickness of a body of the battery case is in a range of 0.10-0.17 mm, anda half-width of a 110 plane of the manganese dioxide measured by powder X-ray diffraction is in a range of 2.30-2.70 degrees.5. The alkaline battery of claim 4 , whereinthe half-width is in a range of 2.40-2.62 degrees.6. The alkaline battery of claim 4 , whereinthe negative electrode is made of zinc, anda ratio of a theoretical capacity of the negative electrode to that of the positive electrode is in a range of 1.07-1.17. The present invention relates to high-capacity alkaline batteries.Currently, alkaline batteries have been widely used as main power supply for, e.g., toys, game instruments, and portable electronic devices serving as daily commodities, and are desired to have a long life when being used in a device. To achieve a long driving time of a device, the amount of an active material with which the interior of a battery is filled needs to be increased, and the content of manganese dioxide serving as a ...

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Номер записи: 98
19-09-2013 дата публикации

SEAL STRUCTURE FOR FUEL CELL

Номер: US20130241158A1
Автор: Koga Shotaro, Kurano Yoshihiro
Принадлежит: NOK CORPORATION

A seal structure of the invention has a membrane electrode assembly provided with electrode layers in both surfaces of an electrolyte membrane, and separators sandwiching the membrane electrode assembly, plane dimensions of a pair of electrode layers are set to be equal to each other, a plane dimension of the electrolyte membrane is set to be larger than the electrode layer, and a plane dimension of the separator is set to be further larger than the electrolyte membrane. There are provided a first gasket retained to one separator and coming into close contact with the other separator, and a second gasket retained to the one separator and coming into close contact with the electrolyte membrane, and a reinforcing member separated from the electrode layer is provided for reinforcing the electrolyte membrane with which the second gasket comes into close contact, from a back surface side of the electrolyte membrane. 1. (canceled)2. A seal structure provided in a fuel cell having a membrane electrode assembly which is provided with a pair of electrode layers in both surfaces of an electrolyte membrane , and a pair of separators which sandwich said membrane electrode assembly , and structured such that plane dimensions of said pair of electrode layers are set to be equal to each other , a plane dimension of said electrolyte membrane is set to be larger than said electrode layer , and a plane dimension of said separator is set to be further larger than said electrolyte membrane , the seat structure comprising:a first gasket which is retained to one separator of said pair of separators and comes into close contact with the other separator; anda second gasket which is retained to said one separator in an inner peripheral side of said first gasket and comes into close contact with said electrolyte membrane,wherein a reinforcing member which is a separate body from said electrode layer is provided between said electrolyte membrane and said other separator for reinforcing said ...

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Номер записи: 99
19-09-2013 дата публикации

BATTERY COVER ASSEMBLY FOR PORTABLE ELECTRONIC DEVICE

Номер: US20130242476A1
Автор: TU FENG
Принадлежит:

A battery cover assembly for a portable electronic device includes a base body, a battery cover, a button and an ejecting mechanism. The base body defines a first receiving groove and a second receiving groove. The battery cover includes a hook. The button is slidably attached to the base body, the button defining a latching groove and including a bar portion. The hook is releaseably latched in the latching groove. The ejecting mechanism includes an ejecting member. The bar portion selectively presses the ejecting member. When the button is pressed, the hook is disengaged from the latching groove, the bar portion presses the ejecting member to force the ejecting member to eject the battery cover. 1. A battery cover assembly for a portable electronic device , the battery cover assembly comprising:a base body defining a first receiving groove and a second receiving groove;a battery cover comprising a hook;a button slidably received in the first receiving groove of the base body, the button defining a latching groove and including a bar portion, and the hook releasably latched in the latching groove;at least one first elastic member positioned in the first receiving groove for providing an elastic force to the button; andan ejecting mechanism received in the second receiving groove, the ejecting mechanism comprising an ejecting member, and the bar portion selectively presses the ejecting member;wherein when the button is pressed, the hook is disengaged from the latching groove, the bar portion presses the ejecting member to force the ejecting member to eject the battery cover.2. The battery cover assembly as claimed in claim 1 , wherein the ejecting mechanism comprises a case and a control member claim 1 , and the control member and the ejecting member are attached to the case.3. The battery cover assembly as claimed in claim 2 , wherein the case has a peripheral wall and a receiving cavity surrounded by the peripheral wall claim 2 , a cutout is defined in the ...

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Номер записи: 100