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Небесная энциклопедия

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

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Мониторинг СМИ

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

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 5452. Отображено 100.
21-03-2013 дата публикации

ELECTROLYTE SUPPLYING APPARATUS

Номер: US20130068327A1
Принадлежит: NISSAN MOTOR CO., LTD.

The present invention concerns an electrolyte supplying apparatus including a tank which stores an electrolyte, a supply-receiving unit to which the electrolyte in the tank is supplied, a pipe which connects the tank and the supply-receiving unit, a gas pressure feeding unit which feeds an inert gas under pressure into the tank so that the electrolyte in the tank is supplied to the supply-receiving unit via the pipe by increasing an internal pressure of the tank, and a mass flowmeter which is provided in the pipe and detects a mass flow rate of a fluid flowing in the pipe. 15.-. (canceled)6. An electrolyte supplying apparatus , comprising:a tank which stores an electrolyte;a supply-receiving unit to which the electrolyte in the tank is supplied;a pipe which connects the tank and the supply-receiving unit;a gas pressure feeding unit which feeds an inert gas under pressure into the tank so that the electrolyte in the tank is supplied to the supply-receiving unit via the pipe by increasing an internal pressure of the tank;a mass flowmeter which is provided in the pipe and detects a mass flow rate of a fluid flowing in the pipe; anda judging unit for judging the flow of the inert gas in the pipe based on that the detection value of the mass flowmeter has become smaller.7. The electrolyte supplying apparatus according to claim 6 , wherein the supply-receiving unit is installed inside a pressure-reduced container.8. The electrolyte supplying apparatus according to claim 6 , comprising a control valve which is provided in the pipe claim 6 ,wherein the judging unit closes the control valve when the detection value of the mass flowmeter becomes smaller than a predetermined value at which the flow of the inert gas in the pipe can be judged.9. The electrolyte supplying apparatus according to claim 6 , wherein the mass flowmeter is a Coriolis mass flowmeter.10. The electrolyte supplying apparatus according to claim 6 , wherein:the tank has a bottom wall which is inclined at a ...

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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
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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28-03-2013 дата публикации

Battery

Номер: US20130078492A1
Принадлежит: GS YUASA INTERNATIONAL LTD

The present invention suppresses movement of a power generating element in a case of a battery while minimizing an increase in a workload in an assembly process of the battery. In the battery including: a power generating element 3 ; a case BC housing the power generating element 3 ; an electrode terminal 5 disposed outside the case; a current collector 4 connected to the power generating element 3 ; and a fixing member FE for fixing the current collector 4 to the case BC and having electric conductivity, the current collector 4 and the fixing member FE forming an energizing path between the power generating element 3 and the electrode terminal 5 , a spacer 11 which is positioned by engagement with the fixing member FE and which suppresses movement of the power generating element 3 is disposed between the fixing member FE and the power generating element 3.

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28-03-2013 дата публикации

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND COMBINED BATTERY

Номер: US20130078500A1
Принадлежит:

According to one embodiment, a non-aqueous electrolyte secondary battery includes a metal container, an electrode group housed in the metal container and including a positive electrode, a negative electrode and a separator interposed between the negative and the positive electrodes, a non-aqueous electrolyte housed in the metal container, a positive electrode lead of which one end is electrically connected to the positive electrode, a negative electrode lead of which one end is electrically connected to the negative electrode, a negative electrode terminal attached to the metal container and electrically connected with the other end of the negative electrode lead, and an Sn alloy film interposed between the negative electrode lead and the negative electrode terminal. The Sn alloy film includes Sn and at least one metal selected from the group consisting of Zn, Pb, Ag, Cu, In, Ga, Bi, Sb, Mg and Al. 1. A non-aqueous electrolyte secondary battery comprising:a metal container;an electrode group housed in the metal container and comprising a positive electrode, a negative electrode having an active material which absorbs lithium ions at a potential higher by 0.4 V or more than the electrode potential of lithium and a separator interposed between the negative electrode and the positive electrode;a non-aqueous electrolyte housed in the metal container;a positive electrode lead of which one end is electrically connected to the positive electrode;a negative electrode lead of which one end is electrically connected to the negative electrode;a positive electrode terminal attached to the metal container and being electrically connected with the other end of the positive electrode lead;a negative electrode terminal attached to the metal container and being electrically connected with the other end of the negative electrode lead; anda conductive film interposed between the negative electrode lead and the negative electrode terminal,wherein the conductive film is capable of ...

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04-04-2013 дата публикации

SECONDARY BATTERY PACK OF NOVEL STRUCTURE

Номер: US20130084472A1
Принадлежит: LG CHEM, LTD.

Disclosed is a secondary battery pack including a battery cell having an electrode assembly of a cathode/separator/anode structure disposed in a battery case together with an electrolyte in a sealed state, the battery case being provided at an upper end thereof with a first electrode terminal, a second electrode terminal, and a pair of fastening grooves, a protection circuit module (PCM) including a protection circuit board (PCB) having a protection circuit formed thereon, connection members A and B connected to the first electrode terminal and the second electrode terminal, respectively, and a safety element, an insulative mounting member, and an electrically insulative top cap. 1. A secondary battery pack comprising:a battery cell having an electrode assembly of a cathode/separator/anode structure disposed in a battery case together with an electrolyte in a sealed state, the battery case being provided at an upper end thereof with a first electrode terminal, a second electrode terminal, and a pair of fastening grooves;a protection circuit module (PCM) comprising a protection circuit board (PCB) having a protection circuit formed thereon, connection members A and B connected to the first electrode terminal and the second electrode terminal, respectively, and a safety element, in which the connection members and the safety element are connected to the protection circuit board;an insulative mounting member configured to have a structure in which the PCM is inserted into the insulative mounting member in a lateral direction while an upper end and a lower end of the PCM are surrounded by the insulative mounting member; andan electrically insulative top cap mounted to an upper end of the battery cell while the top cap surrounds the insulative mounting member, the top cap being provided with through holes communicating with the fastening grooves, whereinfastening members are coupled into the fastening grooves of the battery cell through the through holes of the top cap ...

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11-04-2013 дата публикации

BATTERY WITH TERMINAL

Номер: US20130089776A1
Принадлежит: Panasonic Corporation

Disclosed is a battery with terminal, including a power generating element and a housing can accommodating the power generating element. The power generating element includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte. The negative electrode includes a material mixture including a negative electrode active material and a binder. The negative electrode active material contains an amorphous Si phase, and the binder includes a polyacrylic acid. The non-aqueous electrolyte includes a non-aqueous solvent, and a lithium salt dissolved in the non-aqueous solvent, and the non-aqueous solvent contains vinylethylene carbonate. The housing can has at least one lead terminal welded thereto. The molar ratio of the vinylethylene carbonate to the amorphous Si phase in the negative electrode active material is 0.09 to 0.17. 1. A battery with terminal , comprising a power generating element and a housing can accommodating the power generating element ,the power generating element comprising a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte, wherein:the negative electrode includes a material mixture including a negative electrode active material and a binder;the negative electrode active material contains an amorphous Si phase;the binder includes a polyacrylic acid;the non-aqueous electrolyte includes a non-aqueous solvent, and a lithium salt dissolved in the non-aqueous solvent, the non-aqueous solvent containing vinylethylene carbonate;the housing can has at least one lead terminal welded thereto;a molar ratio of the vinylethylene carbonate to the amorphous Si phase in the negative electrode active material is 0.09 to 0.17.2. The battery with terminal according to claim 1 , wherein the negative electrode active material is a Ti—Si alloy containing the amorphous Si ...

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18-04-2013 дата публикации

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Номер: US20130095352A1
Принадлежит: SANYO ELECTRIC CO., LTD.

A non-aqueous electrolyte secondary battery has a pressure-sensitive elastic element reliably operating at a desired operating pressure. The battery includes an outer can having an opening; an electrode assembly which is housed in the outer can and comprises a positive electrode having a positive electrode current collector and a negative electrode having a negative electrode current collector; a sealing plate sealing the opening; an external electrode terminal whose one end is engaged with the throughhole of the sealing plate and whose other end projects outside the sealing plate; and a pressure-sensitive elastic element which is disposed inside the sealing plate in the battery and deforms in accordance with an increase in the gas pressure in the battery, the external electrode terminal. The external electrode terminal includes therein a hole connecting the outside of the battery and the space in contact with the outer side of pressure-sensitive elastic element. 1. A non-aqueous electrolyte secondary battery comprising:a prismatic outer can having an opening;an electrode assembly housed in the outer can and including a positive electrode and a negative electrode;a sealing plate sealing the opening;a current collecting tab electrically connected to either the positive electrode or the negative electrode;an external electrode terminal projecting outside the sealing plate;a diaphragm disposed at a position of the battery, the position being inner than the sealing plate and outer than the current collecting tab, the diaphragm being electrically connected to the external electrode terminal and the current collecting tab;a lead for electrically connecting the external electrode terminal and the diaphragm;a first insulating member interposed between the sealing plate and the lead; anda second insulating member interposed between the diaphragm and the current collecting tab,whereinthe second insulating member has a throughhole, and a electric conduction path between the ...

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18-04-2013 дата публикации

BATTERY HAVING PASSIVE CORROSION PROTECTION

Номер: US20130095354A1
Принадлежит: Continental Automotive GmbH

A battery has two or more individual cells that are connected in series and which, for contacting purposes, each has at least one contact electrode to the positive electrode (cathode) and at least one contact electrode to the negative electrode (anode). The two are made of metals that differ from each other. The contact electrodes to the anode and the cathode have passive corrosion protection at least in the respective contacting region of the contact electrodes. 111-. (canceled)12. A battery , comprising:at least two individual cells that are connected in series and each having a cathode and an anode;each of said at least two individual cells, for contacting, having at least one discharge electrode connected to said cathode and at least one discharge electrode connected to said anode, said discharge electrodes being formed from mutually different metals; andeach of said at least one discharge electrodes to said anode and said cathode having passive corrosion protection, at least in a contact region of said discharge electrodes.13. The battery according to claim 12 , wherein said passive corrosion protection is one or more configurations selected from the group consisting of:a) an attached component formed from a nonmetallic material;b) a coating of a nonmetallic material; orc) a conversion layer.14. The battery according to claim 13 , wherein said attached component is a clip.15. The battery according to claim 13 , wherein said nonmetallic material is selected from the group consisting of lacquers claim 13 , rubber claim 13 , and plastics.16. The battery according to claim 13 , wherein said conversion layer is one or more layers selected from the group consisting of eloxal layers claim 13 , hard eloxal layers claim 13 , chromatizations claim 13 , phosphate layers claim 13 , blackening layers claim 13 , and anodization layers.17. The battery according to claim 12 , wherein said passive corrosion protection is applied directly onto said anode and said cathode.18. The ...

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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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25-04-2013 дата публикации

BATTERY WITH INTEGRATED POWER MANAGEMENT SYSTEM AND SCALABLE BATTERY CUTOFF

Номер: US20130101874A1
Автор: Pevear Brian J.
Принадлежит: A123 SYSTEMS, INC.

The present disclosure relates battery with an integrated power management system and scalable cutoff component, the battery system including a battery housing with first and second voltage output terminals, a plurality of rechargeable battery cells within the battery housing and having first and second voltage terminals; a power management system for generating an external control signal and an internal control signal based upon monitored operating parameters of the plurality of rechargeable battery cells, said external control signal for controlling an external power source and/or an external load, said power management system forming an integral part of the battery system; and a cutoff switch circuit within the battery housing and for making and breaking a conductive path between the first voltage terminal of the plurality of battery cells and the first voltage output terminal of the battery housing in response the internal control signal from the battery management system. 1. A battery system comprising:a battery housing with first and second voltage output terminals;a plurality of rechargeable battery cells within the battery housing and having first and second voltage terminals;a power management system for generating an external control signal and an internal control signal based upon monitored operating parameters of the plurality of rechargeable battery cells, said external control signal for controlling an external power source and/or an external load, said power management system forming an integral part of the battery system; anda cutoff switch circuit within the battery housing and for making and breaking a conductive path between the first voltage terminal of the plurality of battery cells and the first voltage output terminal of the battery housing in response the internal control signal from the battery management system.2. The battery system of claim 1 , wherein the battery cells are lithium ion cells.3. The battery system of claim 1 , wherein the ...

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02-05-2013 дата публикации

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

Номер: US20130108915A1
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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09-05-2013 дата публикации

Nickel-Zinc Flow Battery

Номер: US20130113431A1

A nickel-zinc battery includes a battery housing, a nickel oxide positive electrode supported in the battery housing, a metal substrate negative electrode supported in the battery housing, a spacer disposed between the positive and negative electrodes, an electrolyte contained within the battery housing and a means for circulating electrolyte in fluid communication with the housing for circulating the electrolyte between the positive and negative electrodes. The electrolyte contains zinc and the metal substrate is adapted for deposition of the zinc during charging of the battery. The spacer maintains the positive electrode in a spaced relationship apart from the negative electrode. 1. A method for producing energy and increasing the electrochemical energy producing life of a battery having a battery housing , a nickel oxide positive electrode supported in the battery housing , a negative electrode supported in the battery housing and an electrolyte contained within the battery housing , the method comprising the steps of:charging the battery to a charge voltage, wherein zinc oxide present in the electrolyte is deposited on the negative electrode as metallic zinc;discharging the battery to a discharge voltage to produce energy, wherein the metallic zinc deposited on the negative electrode is partially dissolved back into the electrolyte;further discharging the battery to a final voltage below said discharge voltage, wherein the metallic zinc is completely removed from the negative electrode; andcirculating a flow of electrolyte between the positive electrode and the negative electrode during said steps of charging, discharging and further discharging the battery to said final voltage,wherein the metallic zinc is stripped and redeposited on the negative electrode.2. A method as defined in claim 1 , wherein said step of further discharging occurs at a rate equal to or less than C/4 and the battery is discharged to a final voltage of less than 1.0V.3. A method as ...

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09-05-2013 дата публикации

Lithium ion secondary battery, battery capacity recovery apparatus, and battery capacity recovery method

Номер: US20130115486A1
Принадлежит: Nissan Motor Co Ltd

A lithium ion secondary battery includes: an outer covering material that is filled with an electrolyte; a collector that is housed in the outer covering material, formed with an electrode layer containing an active material, and electrically connected with the electrode layer; an insulation layer that is provided on the collector; and a low potential member that is provided on the insulation layer, has a lower oxidation reduction potential than the active material of the electrode layer, and possesses a reduction ability relative to the active material.

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09-05-2013 дата публикации

Sealed type battery

Номер: US20130115492A1
Автор: Kinya Aota
Принадлежит: Hitachi Vehicle Energy Ltd

A sealed type battery includes: a can where an electrode winding group; a lid which has a liquid filling hole for injecting a liquid electrolyte and seals an opening of the can; and a liquid filling tap which is fitted to the liquid filling hole and seals the liquid filling hole by welding. A projection molten in welding is provided on one of the outer surface of the liquid filling tap and the outer surface of the lid connected to the liquid filling hole. The liquid filling tap is welded to the liquid filling hole using molten metal of the projection in welding as well.

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16-05-2013 дата публикации

Bipolar battery

Номер: US20130122333A1
Принадлежит: Nissan Motor Co Ltd

A bipolar battery includes: a power generation element formed by stacking a plurality of bipolar electrodes, in which an electrode layer is formed on a front and a rear of a collector, via an electrolyte layer; an elastic metal portion provided in contact with the power generation element so as to contact the power generation element in point or line contact when no external force is exerted thereon and contact the power generation element in surface contact when external force is exerted thereon; and an outer covering material provided to accommodate the power generation element and the elastic metal portion, an internal air pressure of which is set to be lower than an atmospheric pressure such that the elastic metal portion is caused to contact the power generation element in surface contact by a pressure difference between the internal air pressure and the atmospheric pressure.

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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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23-05-2013 дата публикации

ELECTRODE TERMINAL FOR SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Номер: US20130130094A1
Принадлежит: LG CHEM. LTD.

Provided is a lithium secondary battery, which includes a rechargeable electrode assembly sealed within an exterior member; and an electrode terminal (a positive terminal or a negative terminal) electrically connected to the electrode assembly, and partially protruded out of the exterior member. A portion of the electrode terminal exposed out of the exterior member is plated with a corrosion resistant metal. The electrode terminal is directly plated with a corrosion resistant metal such as cobalt, copper, nickel, and platinum to improve corrosion resistance thereof, thereby improving the performance of the lithium secondary battery. 1. An electrode terminal for a secondary battery , comprising a metal having higher corrosion resistance than that of a metal constituting the electrode terminal ,wherein the electrode terminal is plated with the metal having the higher corrosion resistance.2. A lithium secondary battery comprising:a rechargeable electrode assembly sealed within an exterior member; andan electrode terminal (a positive terminal or a negative terminal) electrically connected to the electrode assembly, and partially protruded out of the exterior member,wherein the electrode terminal comprises a metal having higher corrosion resistance than that of a metal constituting the electrode terminal, andthe electrode terminal is plated with the metal having the higher corrosion resistance.3. The lithium secondary battery of claim 2 , wherein the electrode terminal is formed of aluminum.4. The lithium secondary battery of claim 3 , wherein the electrode terminal is plated with at least one selected from the group consisting of cobalt claim 3 , copper claim 3 , nickel claim 3 , platinum claim 3 , manganese claim 3 , zinc claim 3 , iron claim 3 , stannum claim 3 , silver claim 3 , and gold claim 3 , which have higher corrosion resistance than that of aluminum.5. The lithium secondary battery of claim 2 , wherein the electrode terminal is formed of copper.6. The lithium ...

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23-05-2013 дата публикации

SECONDARY BATTERY OF DIFFERENTIAL LEAD STRUCTURE

Номер: US20130130099A1
Принадлежит: LG CHEM, LTD.

Disclosed is a secondary battery of a differential lead structure including an electrode assembly including a cathode plate having a cathode tab, an anode plate having an anode tab, and a separator interposed between the cathode plate and the anode plate, a battery casing to receive the electrode assembly, a cathode lead electrically connected to the cathode tab, and an anode lead electrically connected to the anode tab and made of a different material from the cathode lead, wherein the cathode lead and the anode lead have a differential cross sectional area such that the lead having lower electrical conductivity has a larger cross sectional area than the other lead having higher electrical conductivity. 1. A secondary battery of a differential lead structure comprising:an electrode assembly including a cathode plate having a cathode tab, an anode plate having an anode tab, and a separator interposed between the cathode plate and the anode plate;a battery casing to receive the electrode assembly;a cathode lead electrically connected to the cathode tab; andan anode lead electrically connected to the anode tab made of a different material from the cathode lead,wherein the cathode lead and the anode lead have a differential cross sectional area such that the lead having lower electrical conductivity has a larger cross sectional area than the other lead having higher electrical conductivity.2. The secondary battery of a differential lead structure according to claim 1 ,wherein the cathode lead and the anode lead have a differential thickness such that the lead having lower electrical conductivity has a larger thickness than the other lead having higher electrical conductivity.3. The secondary battery of a differential lead structure according to claim 2 ,wherein the cathode lead is made of aluminum.4. The secondary battery of a differential lead structure according to claim 3 ,wherein the anode lead is made of copper.5. The secondary battery of a differential lead ...

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23-05-2013 дата публикации

BATTERY AND BATTERY ASSEMBLY

Номер: US20130130100A1
Принадлежит: KABUSHIKI KAISHA TOSHIBA

According to one embodiment, a battery includes a package can, an electrode group, a lid and a plurality of homopolar external terminals. The electrode group is provided in the package can and comprises a positive electrode and a negative electrode. The lid is provided to an opening part of the package can. The plurality of homopolar external terminals are provided on the lid and electrically connected to the positive electrode or negative electrode. 1. A battery comprising:a package can;an electrode group which is provided in the package can and comprises a positive electrode and a negative electrode;a lid provided to an opening part of the package can; anda plurality of homopolar external terminals which are provided on the lid and electrically connected to the positive electrode or negative electrode.2. The battery according to claim 1 ,wherein the plurality of homopolar external terminals are respectively fixed to the lid by caulking.3. The battery according to claim 2 , which further comprises an external lead which electrically connects the plurality of homopolar external terminals to each other.4. The battery according to claim 2 , which further comprises:a plurality of through-holes opened in the lid;an insulating gasket comprising a cylinder section provided in the through-hole of the lid;an external insulation body which is provided on the outside surface of the lid and comprises a pedestal section;a lead which is provided in the package can, comprises a mounting hole, and has the same polarity as the homopolar external terminal; andan internal insulating body provided between the internal surface of the lid and the lead, wherein the homopolar external terminal comprises a head section and an axial section extended from the head section, the head section being provided on the pedestal section of the external insulation body and the axial section being inserted into the cylinder section of the insulation gasket and fixed to the through-hole of the lid and ...

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30-05-2013 дата публикации

FUEL CELL DEVICE

Номер: US20130136953A1
Автор: Devoe Alan, Devoe Lambert
Принадлежит:

Fuel cell devices are provided having improved shrinkage properties between the active and non-active structures by modifying the material composition of the non-active structure, having a non-conductive, insulating barrier layer between the active structure and surface conductors that extend over the inactive surrounding support structure, having the width of one or both electrodes progressively change along the length, or having a porous ceramic layer between the anode and fuel passage and between the cathode and air passage. Another fuel cell device is provided having an internal multilayer active structure with electrodes alternating in polarity from top to bottom and external conductors on the top and/or bottom surface with sympathetic polarity to the respective top and bottom electrodes. A fuel cell system is provided with a fuel cell device having an enlarged attachment surface at one or both ends, which resides outside the system's heat source, insulated therefrom. 1. A fuel cell device , comprising:an active structure having an anode and cathode in opposing relation with an electrolyte therebetween; anda surrounding support structure including a top cover region, a bottom cover region, opposing side margin regions, and optional interposer layer regions, the surrounding support structure being monolithic with one of the anode, cathode or electrolyte,wherein a material composition used for the surrounding support structure includes a modification configured to alter the shrinkage properties of the surrounding support structure to more closely match shrinkage properties of the active structure than in the absence of the modification, said modification including one or more of the following:(a) where the surrounding support structure comprises a ceramic material that is monolithic with the electrolyte, the material composition includes an addition of anode or cathode material in one or more of the regions;(b) where the surrounding support structure comprises an ...

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30-05-2013 дата публикации

NON-AQUEOUS ELECTROLYTE BATTERY WHEREIN A BATTERY CASE AND A TERMINAL ARE CONNECTED THROUGH RESISTANCE

Номер: US20130136978A1
Принадлежит: GS Yuasa International Ltd.

A non-aqueous electrolyte battery comprising: a battery case containing aluminum; a positive electrode terminal attached to the battery case; and a negative electrode terminal attached to the battery case and insulated from the battery case, wherein the positive electrode terminal and the battery case are connected through a resistor having resistance of 1Ω to 1 MΩ. Otherwise, A non-aqueous electrolyte battery comprising: a battery case containing iron; a negative electrode terminal attached to the battery case; and a positive electrode terminal attached to the battery case and insulated from the battery case, wherein the negative electrode terminal and the battery case are connected through a resistor having resistance of 1Ω to 1 MΩ. 1. A non-aqueous electrolyte battery comprising:a battery case;a positive electrode terminal attached to said battery case; anda negative electrode terminal attached to said battery case and insulated therefrom, wherein said positive electrode terminal and said battery case are connected through a semiconductive resin packing.2. The non-aqueous electrolyte battery according to claim 1 , wherein the semiconductive resin packing includes a conductive carbon.3. The non-aqueous electrolyte battery according to claim 1 , wherein the semiconductive resin packing comprises a resin selected from the group consisting of polyphenylene sulfide claim 1 , polypropylene claim 1 , polyethylene claim 1 , and polyethylene terephthalate.4. The non-aqueous electrolyte battery according to claim 1 , wherein the battery case comprises aluminum. This application is a divisional of application Ser. No. 12/696,561 filed Jan. 29, 2010, which is a divisional application of Ser. No. 11/002,178 filed Dec. 3, 2004, which claims priority from Japanese Patent Application No. 2003-407181 filed Dec. 5, 2003. The entire disclosures of the prior applications are hereby incorporated by reference.This invention relates to a non-aqueous electrolyte battery having a ...

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06-06-2013 дата публикации

END COVER ASSEMBLY FOR BATTERY AND BATTERY CONTAINING THE SAME

Номер: US20130143078A1
Автор: Che Guoyong, SUN Huajun

An end cover assembly for a battery with a core comprises a contact terminal, a conductive element, and a thermistor. The conductive element is in electrical communication with the core of the battery. The thermistor is disposed between the terminal and the conductive element. The thermistor electrically connects the terminal and the conductive element when the temperature of the battery is below a predetermined temperature. The thermistor electrically disconnects the terminal and the conductive element when the temperature of the battery is above the predetermined temperature. 1. An end cover assembly for a battery with a core comprising:a contact terminal; a first section being generally flat and generally parallel to the rim of the terminal;', 'a second section integral with the first section, extending from the perimeter of the first section in a direction perpendicular to the first section and toward the protruding section of the terminal; and', 'a third section integral with the second section, extending from the second section in a direction perpendicular to the second section and inward toward the protruding section of the terminal; and, 'a conductive element in electrical communication with the core of the battery, the conductive element comprisinga thermistor disposed between the terminal and the conductive element;wherein the thermistor electrically connects the terminal and the conductive element when the temperature of the battery is below a predetermined temperature; and wherein the thermistor electrically disconnects the terminal and the conductive element when the temperature of the battery is above the predetermined temperature.2. The assembly of claim 1 , wherein the thermistor comprises a polymer.3. The assembly of claim 1 , further comprising a pressure release device.4. The assembly of claim 3 , wherein the pressure release device is an opening on the terminal.5. The assembly of claim 1 , wherein the terminal is formed of steel.6. The assembly ...

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06-06-2013 дата публикации

Secondary Battery Of Improved Lead Structure

Номер: US20130143109A1
Автор: Kim Bo-Hyun, Kim Ji-Hyun
Принадлежит: LG CHEM, LTD.

Disclosed is a secondary battery of an improved lead structure including an electrode assembly including a cathode plate having a cathode tab, an anode plate having an anode tab, and a separator stacked in an alternate manner, a battery casing to receive the electrode assembly, a cathode lead electrically connected to the cathode tab, and an anode lead electrically connected to the anode tab, wherein at least one electrode tab of the cathode tab and the anode tab is electrically connected to the corresponding electrode lead at a plurality of joints and the number of the electrode leads is smaller than the number of the joints between the electrode tab and the electrode lead. 1. A secondary battery of an improved lead structure comprising:an electrode assembly including a cathode plate with a cathode tab, an anode plate with an anode tab, and a separator, stacked in an alternate manner;a battery casing to receive the electrode assembly;a cathode lead electrically connected to the cathode tab; andan anode lead electrically connected to the anode tab,wherein at least one electrode tab of the cathode tab and the anode tab is electrically connected to the corresponding electrode lead at a plurality of joints and the number of the electrode leads is smaller than the number of the joints between the electrode tab and the electrode lead.2. The secondary battery of an improved lead structure according to claim 1 ,wherein the cathode tab is electrically connected to the cathode lead at two joints and the number of the cathode lead is one.3. The secondary battery of an improved lead structure according to claim 1 ,wherein the anode tab is electrically connected to the anode lead at two joints and the number of the anode lead is one.4. The secondary battery of an improved lead structure according to claim 1 ,wherein the cathode tab is electrically connected to the cathode lead at a plurality of joints and the number of the cathode leads is smaller than the number of the joints ...

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06-06-2013 дата публикации

MANUFACTURING METHOD OF ELECTRIC STORAGE DEVICE AND ELECTRIC STORAGE DEVICE

Номер: US20130143111A1
Принадлежит: GS Yuasa International Ltd.

A manufacturing method of an electric storage device includes: a current collector assembly step of disposing a current collector between an electrolyte solution pouring opening and a power generating element so as to block a view of the power generating element from the electrolyte solution pouring opening; an electrolyte solution pouring step of pouring an electrolyte solution through the electrolyte solution pouring opening; and a sealing step of disposing a sealing member at the electrolyte solution pouring opening and sealing the electrolyte solution pouring opening by welding. 1. A manufacturing method of an electric storage device , the method comprising:a current collector assembly step of disposing a current collector between an electrolyte solution pouring opening and an electric storage element so as to block a view of the electric storage element from the electrolyte solution pouring opening;an electrolyte solution pouring step of pouring an electrolyte solution through the electrolyte solution pouring opening into a case; anda sealing step of disposing a sealing member at the electrolyte solution pouring opening and sealing the electrolyte solution pouring opening by welding, the case having the electrolyte solution pouring opening through which the electrolyte solution is to be poured into the case,', 'the electric storage element housed in the case,', 'an electrode terminal disposed on an outer side of the case, and', 'the current collector for electrically connecting the electric storage element and the electrode terminal., 'for the electric storage device including'}2. The manufacturing method of the electric storage device according to claim 1 , whereina wide portion having a larger width than an opening width of the electrolyte solution pouring opening is formed at the current collector, andthe wide portion is disposed between the electrolyte solution pouring opening and the electric storage element in the current collector assembly step.3. An ...

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13-06-2013 дата публикации

BATTERY UNIT

Номер: US20130149572A1
Принадлежит: HITACHI MAXELL, LTD.

A battery unit () includes battery subunits () and a voltage monitoring circuit (). The battery subunits () includes battery modules (), each having a secondary battery cell () and a fuse () connected in series. The voltage monitoring circuit () monitors the voltage across the terminals of each of the battery subunits (). Each of the battery subunits () includes one battery module or a plurality of battery modules () connected in parallel. 1. A battery unit comprising:a battery subunit including a battery module having a secondary battery cell and a fuse connected in series;a voltage monitoring circuit monitoring a voltage across terminals of the battery subunit; anda switch connected between the battery subunit and a load,wherein, the battery subunit includes one battery module or a plurality of battery modules connected in parallel, andif the battery subunit includes one battery module, the voltage monitoring circuit turns the switch off when it determines that the fuse in the battery module blew, and, if the battery subunit includes a plurality of battery modules, turns the switch off depending on the voltage when the battery subunit is incapable of providing a current that needs to be supplied to the load.2. A battery unit comprising:a battery subunit including a battery module having a secondary battery cell and a fuse connected in series;a voltage monitoring circuit monitoring a voltage across terminals of the battery subunit; anda switch connected between the battery subunit and a load,wherein, the battery subunit includes one battery module or a plurality of battery modules connected in parallel,a plurality of battery subunits are connected in series, andthe voltage monitoring circuit monitors the voltage across the terminals of each of the plurality of battery subunits, and, if each of the plurality of battery subunits includes one battery module, the voltage monitoring circuit turns the switch off when it determines that the fuse in the battery module blew ...

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20-06-2013 дата публикации

BATTERY PACK AND CORDLESS TOOL USING THE SAME

Номер: US20130154549A1
Принадлежит: HITACHI KOKI CO., LTD.

A battery device is constituted by connecting such cell assemblies in parallel as each includes: a first cell group having a plurality of cells connected in series; a housing container for housing the first cell group; current detector housed in the container for detecting a current to flow through the first cell group; a switching element connected with the first cell group for turning ON/OFF the current to flow through the first cell group; and a controller for controlling the ON/OFF of the switching element in response to the output signal of the current detector. 113-. (canceled)14. An electric device configured to be connectable to a first battery pack including plural battery cells , a positive terminal and a negative terminal , and connectable to a second battery pack including plural battery cells , a positive terminal and a negative terminal , the electric device comprising:a first positive terminal configured to be connected to the positive terminal of the first battery pack;a first negative terminal configured to be connected to the negative terminal of the first battery pack;a second positive terminal configured to be connected to the positive terminal of the second battery pack;a second negative terminal configured to be connected to the negative terminal of the second battery pack;a first control signal terminal configured to receive one of a signal indicative of the number of the plural battery cells of the first battery pack and a signal supplied from a first protection circuit for protecting the plural battery cells of the first battery pack;a second control signal terminal configured to receive one of a signal indicative of the number of the plural battery cells of the second battery pack and a signal supplied from a second protection circuit for protecting the plural battery cells of the second battery pack;a switching element connected to a current path between the first and second positive terminals and the first and second negative terminals; ...

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20-06-2013 дата публикации

RECHARGEABLE BATTERY PACK

Номер: US20130154563A1
Автор: Churchill John
Принадлежит: Dyson Technology Limited

The invention relates to a rechargeable battery pack. Particularly, but not exclusively, the invention relates to a rechargeable battery pack for a battery powered appliance such as a hand held vacuum cleaner. The rechargeable battery pack includes at least one power interface for transferring power from the battery pack to an appliance during use and a single charger input terminal to which an output terminal of a battery charger is connectable during use for charging the battery pack, wherein the single charger input terminal is connectable to the output terminal of a battery charger when the battery pack is connected to an appliance and when the battery pack is not connected to an appliance. 1. A rechargeable battery pack comprising at least one power interface for transferring power from the battery pack to an appliance during use and a single charger input terminal to which an output terminal of a battery charger is connectable during use for charging the battery pack , wherein the single charger input terminal is connectable to the output terminal of the battery charger when the battery pack is connected to the appliance and when the battery pack is not connected to the appliance , the rechargeable battery pack further comprising a connecting portion which in use allows the battery pack to be physically connected to the appliance , wherein the connecting portion is an upstanding protrusion which extends from a top surface of a casing of the battery pack , wherein the connecting portion is insertable into a docking portion on the appliance , and wherein the charger input terminal is located on the protrusion.2. The rechargeable battery pack of further comprising one or more logic terminals.3. The rechargeable battery pack of wherein the charger input terminal is in the form of a recess in the battery pack.4. A battery powered handheld vacuum cleaner including a removable rechargeable battery pack having a single charger input terminal claim 1 , wherein the ...

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20-06-2013 дата публикации

SECONDARY BATTERY, AND METHOD FOR MANUFACTURING SECONDARY BATTERY

Номер: US20130157090A1
Автор: Kuroda Akira
Принадлежит:

A lithium ion secondary battery (secondary battery) is provided with a wound electrode body formed by a positive electrode plate and a negative electrode plate overlapping each other with a separator therebetween and being wound around an axis. The wound electrode body comprises a one side fluid flow restrictor which is formed in one axial end portion of the electrode body central part thereof and suppresses the flow of an electrolytic solution through the one axial end portion, and the other side fluid flow restrictor which is formed in the other axial end portion of the electrode body central part and suppresses the flow of the electrolytic solution through the other axial end portion. 1. A secondary battery including:a wound electrode body formed by winding an elongated positive electrode plate and an elongated negative electrode plate overlapped upon one another via an elongated separator interposed therebetween around an axis; andelectrolyte contained inside the wound electrode body,wherein the wound electrode body includes a fluid flow restrictor for restricting flow of the electrolyte between inside and outside of the wound electrode body in an axial direction along the axis,when a portion where the separator exists in a radial direction of the axis of the wound electrode body is defined as an electrode body central part,the fluid flow restrictor is at least one of:a one side fluid flow restrictor formed in one axial end portion of one axial end side of the electrode body central part to restrict flow of the electrolyte through the one axial end portion; andthe other side fluid flow restrictor formed in the other axial end portion of the other axial end side of the electrode body central part to restrict flow of the electrolyte through the other axial end portion, andthe one side fluid flow restrictor and the other side fluid flow restrictor are both formed of a gel-like substance containing the electrolyte and being in a form of a gel.2. (canceled)3. The ...

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20-06-2013 дата публикации

STACKED BATTERY

Номер: US20130157110A1
Принадлежит: HITACHI MAXELL, LTD.

The stacked battery includes a negative electrode () and a positive electrode (). The negative electrode has a negative electrode main portion () and a negative electrode lead (). The positive electrode has a positive electrode main portion () and a positive electrode lead (). In the negative electrode and the positive electrode, the negative electrode main portion and the positive electrode main portion are stacked in a thickness direction with the negative electrode lead and the positive electrode lead extending in different directions as viewed from above. The positive electrode lead is fixed to a positive electrode case. In the positive electrode lead, a break place (X) is provided outside the negative electrode main portion as viewed from above when the negative electrode and the positive electrode are placed on top of each other. The break place (X) is broken when a shock is applied to the electrodes. 19-. (canceled)11. The stacked battery according to claim 10 , whereinthe break portion is a portion having a narrowest width, in a portion connected to the main portion, of the connection portion of the first electrode.12. The stacked battery according to claim 11 , whereinan R portion having a width that gradually becomes narrower from the main portion toward the break portion is formed in the connection portion.13. The stacked battery according to claim 10 , whereinthe break portion is a notch provided in the connection portion of the first electrode.16. The stacked battery according to claim 10 , whereinthe first electrode has a positive electrode material capable of storing and releasing lithium ions, andthe second electrode has a negative electrode material capable of storing and releasing lithium ions.17. The stacked battery according to claim 10 , whereinthe main portions of the first and second electrodes are stacked in the thickness direction with the connection portions of the first and second electrodes extending in different directions. The present ...

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27-06-2013 дата публикации

TERMINAL LEAD

Номер: US20130164613A1
Принадлежит:

A terminal lead includes an inner end portion to be arranged inwardly of an exterior casing which accommodates an electrochemistry element , an outer end portion to be arranged outwardly of the exterior casing , and a plate-shaped metallic substrate as a base material. An insulating resin film is arranged at a portion of the terminal lead corresponding to a seal portion of the exterior casing . In this terminal lead , a surface coating layer is formed on both surfaces and of the metallic substrate in a thickness direction thereof. A coated amount of both widthwise end portions and of the surface coating layer formed on both surfaces and of the metallic substrate in the thickness direction is less than that a widthwise intermediate portion thereof. 1. A terminal lead comprising:an inner end portion to be arranged inwardly of an exterior casing which accommodates an electrochemistry element;an outer end portion to be arranged outwardly of the exterior casing;a plate-shaped metallic substrate as a base material; andan insulating resin film to be arranged at a portion of the metallic substrate corresponding to a seal portion of the exterior casing,wherein a surface coating layer is formed on both surfaces of the metallic substrate in a thickness direction of the metallic substrate, andwherein a coated amount of both widthwise end portions of the surface coating layer formed on both the surfaces of the metallic substrate in the thickness direction is less than a coated amount of a widthwise intermediate portion of the surface coating layer formed on both the surfaces of the metallic substrate in the thickness direction.2. The terminal lead as recited in claim 1 , wherein the surface coating layer contains one or more chemical compounds selected from the group consisting of chitosan and chitosan derivative.3. A production method of a terminal lead including an inner end portion to be arranged inwardly of an exterior casing which accommodates an electrochemistry element ...

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11-07-2013 дата публикации

BATTERY SAFETY JIG

Номер: US20130177782A1
Принадлежит:

A battery safety jig prevents a user from connecting battery lead terminals on incorrect posts of a battery. The positive and negative posts of the battery can be surrounded by connector jigs. The connector jigs provides an inner shape into which the battery post is disposed. Plate conductors, attached to battery lead terminals, can fit into the inner shapes defined by the connector jigs and attach to the battery posts. The inner shapes can be designed such that the positive plate conductor cannot fit into the negative connector jig and that the negative plate conductor cannot fit into the positive connector jig, thereby eliminating the possibility that the battery lead terminals would be connected to the improper battery post. 1. A battery safety jig comprising:a positive connector jig surrounding a positive post of a battery with a first defined inner shape;a negative connector jig surrounding a negative post of the battery with a second defined inner shape;a positive plate conductor fitting into the first defined inner shape and electrically connecting to the positive post; anda negative plate conductor fitting into the second defined inner shape and electrically connecting to the negative post, whereinthe positive plate conductor is prevented from fitting into the second defined inner shape of the negative connector jig; andthe negative plate conductor is prevented from fitting into the first defined inner shape of the positive connector jig.2. The battery safety jig of claim 1 , further comprising:a positive battery lead terminal attached to the positive plate conductor; anda negative battery lead terminal attached to the negative plate conductor.3. The battery safety jig of claim 1 , wherein the negative connector jig and the positive connector jig are formed integrally with the battery.4. The battery safety jig of claim 1 , wherein the negative connector jig and the positive connector jig are attached to the battery with an adhesive.5. The battery safety jig ...

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11-07-2013 дата публикации

BATTERY PACK AND METHOD OF MONITORING REMOVAL OF SECONDARY BATTERY IN BATTERY PACK

Номер: US20130177783A1
Принадлежит: SONY CORPORATION

A battery pack and a simple construction is provided. The battery pack includes a plurality of secondary batteries, a housing storing the plurality of secondary batteries, and an inspection circuit stored in the housing. The housing includes a main body section and a closing member to close an opening for taking the plurality of secondary batteries in and out of the main body section, and includes a plurality of fixing members for fixing the closing member on the main body section, the plurality of fixing members being made of a conductive material. An attachment state of the fixing members with respect to the closing member and the main body section is monitored by the inspection circuit, and an attachment order of the fixing members with respect to the closing member and the main body section is memorized by the inspection circuit. 1. A battery pack comprising:a plurality of secondary batteries;a housing storing the plurality of secondary batteries; andan inspection circuit stored in the housing, whereinthe housing includes a main body section and a closing member to close an opening for taking the plurality of secondary batteries in and out of the main body section, and includes a plurality of fixing members for fixing the closing member on the main body section, the plurality of fixing members being made of a conductive material, andan attachment state of the fixing members with respect to the closing member and the main body section is monitored by the inspection circuit, and an attachment order of the fixing members with respect to the closing member and the main body section is memorized by the inspection circuit.2. The battery pack according to claim 1 , whereinwhen an order of removing the fixing members from the closing member and the main body section is different from a removal order based on the attachment order memorized by the inspection circuit, a function of the battery pack is stopped.3. The battery pack according to claim 1 , wherein each of the ...

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11-07-2013 дата публикации

CURRENT COLLECTOR AND NONAQUEOUS SECONDARY BATTERY

Номер: US20130177787A1
Принадлежит: SHARP KABUSHIKI SAISHA

A current collector comprising: a folded region in which an end part of a multi-layered structure having an insulation layer sandwiched by electrically conductive layers is folded at least twice in the same direction; the electrically conductive layers sandwiching the insulation layer being electrically connected to each other in the folded region; and inside surfaces of the end part of the current collector forming the folded region being either separated from each other or partially in contact with each other. 1. A current collector comprising:a folded region in which an end part of a multi-layered structure having an insulation layer sandwiched by electrically conductive layers is folded at least twice in the same direction;the electrically conductive layers sandwiching the insulation layer being electrically connected to each other in the folded region; andinside surfaces of the end part of the current collector forming the folded region being either separated from each other or partially in contact with each other.2. The current collector of claim 1 , comprising:a spacer contacting the inside surfaces of the folded region.3. The current collector of ;the spacer being an electrical conductor.4. A nonaqueous secondary cell comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'an electrode including the current collector of and an active material layer formed in a region of the current collector excluding the folded region; and'}a tab electrode electrically connected with the electrode;the tab electrode being fixed by welding to the folded region of the current collector.5. The nonaqueous secondary cell of ;the thickness of the folded region in the electrode being greater than the thickness of the region where the active material layer is formed.6. The nonaqueous secondary cell of ;the tab electrode being fixed by welding so as to mesh with the current collector.7. The nonaqueous secondary cell of claim 4 , further comprising:a through-member configured ...

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11-07-2013 дата публикации

NONAQUEOUS SECONDARY BATTERY

Номер: US20130177788A1
Принадлежит: SHARP KABUSHIKI KAISHA

A nonaqueous secondary cell comprising: an electrode including a current collector that has a multi-layered structure in which an electrically conductive layer is formed on both sides of an insulating layer, and an active material layer formed on the current collector; a through-member configured from an electrically conductive material and passing through the current collector in the thickness direction; and a tab electrode electrically connected with the electrode; a plurality of the electrodes being stacked; and asperities being provided on the surface of the through-member. 1. A nonaqueous secondary cell comprising:an electrode including a current collector that has a multi-layered structure in which an electrically conductive layer is formed on both sides of an insulating layer, and an active material layer formed on the current collector;a through-member configured from an electrically conductive material and passing through the current collector in the thickness direction; anda tab electrode electrically connected with the electrode;a plurality of the electrodes being stacked; andasperities being provided on the surface of the through-member.2. The nonaqueous secondary cell of ;the height of the asperities being in a range of 0.1 μm to 5 mm.3. The nonaqueous secondary cell of ;the asperities being provided at a predetermined pitch relative to the through direction of the through-member; andthe pitch of the asperities being 0.1 to two times the thickness of the current collector.4. The nonaqueous secondary cell of ;a thread groove being formed in the through-member; andthe asperities being provided in the surface of the through-member by the formation of the thread groove.5. A nonaqueous secondary cell comprising:an electrode including a current collector that has a multi-layered structure in which an electrically conductive layer is formed on both sides of an insulating layer, and an active material layer formed on the current collector;a through-member ...

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25-07-2013 дата публикации

SPIRAL-WOUND CONVECTION BATTERY AND METHODS OF OPERATION

Номер: US20130187618A1
Автор: Suppes Galen J.
Принадлежит:

A spiral-wound convection battery device has flow in and out of the ends with flow proceeding through flow-permeable electrodes. In the preferred configuration electrolyte flows, reverse flows, or pressure-pulse reverse flows between an electrode and counter electrode through a flow-permeable separator. The preferred configuration is as a novel stacked-cell spiral-wound battery. 1. A spiral-wound convection electrochemical device having a plurality of layers in a spiral configuration comprising:an anode electrode layer permeable to flow,a cathode electrode layer permeable to flow,a separator layer between said anode and cathode electrode layers,a circumference surface impermeable to flow, andtwo ends permeable to flow and to allow an electrolyte to enter the device and flow through said anode and cathode.2. The spiral-wound convection electrochemical device of further comprising a current collector layer between said anode electrode layer and said separator layer and between said cathode electrode layer and said separator layer whereby said current collector layers are impermeable to flow.3. The spiral-wound convection electrochemical device of claim 1 , wherein the device is a secondary battery.4. The spiral-wound convection electrochemical device of claim 1 , wherein said separator layer is permeable to flow.5. The spiral-wound convection electrochemical device of claim 4 , wherein flow into or out-of the anode is blocked on a first end by a non-permeable layer claim 4 , flow into or out of the cathode is blocked on a second end by a non-permeable layer claim 4 , and said first end is opposite said second end.6. The spiral-wound convection electrochemical device of wherein each said anode and cathode electrode layer has non-permeable sections located between said first and second ends that functionally create a flow path where electrolyte flows back and forth between said anode electrode layer and said cathode electrode layer multiple times before exiting the ...

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25-07-2013 дата публикации

Secondary cell and method of operating same

Номер: US20130189548A1
Автор: Tim Schaefer
Принадлежит: Li Tec Battery GmbH

A secondary cell ( 1 ) comprising a rechargeable electrode assembly ( 2 ) provided to at least intermittently supply electrical energy and which comprises at least two electrodes ( 2 a, 2 b ) of different polarity and a separator arranged between said electrodes. The secondary cell ( 1 ) further comprises at least one current conduction device ( 3 ) provided to supply electrical energy from the electrode assembly ( 2 ) to an electrical load and which is electroconductively connected to said electrode assembly ( 2 ). The secondary cell ( 1 ) moreover comprises at least one measuring device ( 6 ) to detect an operating state, particularly an operating state of the electrode assembly ( 2 ), and a safety apparatus ( 8 ) to reduce a conduction cross section of the current conduction device ( 3 ) and thus effect a state of safety when the measuring device ( 6 ) detects a malfunction state which deviates from a normal operating state.

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25-07-2013 дата публикации

CAR POWER SOURCE APPARATUS

Номер: US20130189552A1
Автор: Okada Wataru
Принадлежит: SANYO ELECTRIC CO., LTD.

A case () of each battery cell () houses a current interrupt device () that cuts-off current when internal pressure exceeds a set pressure. The case has a rectangular outline with a pair of opposing planar surfaces (A). An electrode unit (), which is a stack of positive and negative electrode plates (A) with intervening separators (C), and the current interrupt device are disposed between the pair of opposing planar surfaces. A plurality of battery cells is stacked with opposing planar surfaces opposite each other to form a battery block (). The power source apparatus has a pair of endplates () disposed at the ends of the battery block, the pair of endplates is connected by connecting components (), and the pair of endplates holds the battery cells in the stacked configuration applying pressure in a direction perpendicular to the opposing planar surfaces. 1. A car power source apparatus comprising:a battery block including a plurality of battery cells connected in series or in parallel;a pair of endplates disposed at the ends of the battery block; andconnecting components connected to the pair of endplates,wherein each of the battery cells comprises:a case including an external case formed in a rectangular outline with a pair of opposing planar surfaces and a sealing plate attached to the opposing planar surfaces;an electrode terminal mounted on the sealing plate;an electrode unit housed in the case; anda current interrupt device housed in the case, the current interrupt device being configured to be electrically connected between the electrode terminal and the electrode unit,wherein the current interrupt device comprises a deformable member that is deformable to disconnect an electrical connection between the electrode terminal and the electrode unit when internal pressure of the battery cell exceeds a set pressure,wherein the plurality of battery cells is held in a stacked configuration with the opposing planar surfaces opposing each other to form the battery ...

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01-08-2013 дата публикации

PRISMATIC SECONDARY BATTERY

Номер: US20130196185A1
Принадлежит: SANYO ELECTRIC CO., LTD.

Disclosed is a highly reliable prismatic secondary battery with a current interruption mechanism that is unlikely to be damaged even if the battery is subjected to shock due to vibration, falling, etc. A second insulating member that has a through-hole is disposed between an inversion plate and the first region of a positive electrode collector, and through the through-hole the first region of the positive electrode collector is electrically connected to the inversion plate. First to third projections to formed around the through-hole formed in the second insulating member fit respectively into first to third openings formed in the first region of the positive electrode collector, and the diameters of their apexes are widened, thus forming first to third fixing portions. Thereby, the second insulating member is robustly joined to the first region of the positive electrode collector. 1. A prismatic secondary battery comprising:a bottomed, hollow, prismatic outer casing that has a mouth;an electrode assembly that is housed inside the prismatic outer casing and has positive electrode plate and negative electrode plate;a positive electrode collector that is electrically connected to the positive electrode plate;a negative electrode collector that is electrically connected to the negative electrode plate;a sealing body that seals the mouth of the outer casing;at least one external terminal that is inserted into a through-hole provided in the sealing body while being electrically insulated from the sealing body with first insulating member interposed therebetween;a conductive member that has a tubular portion;an inversion plate containing conductive material, that is deformed when the battery interior pressure exceeds a particular value; anda second insulating member that is interposed between the inversion plate and at least one of the positive electrode collector and the negative electrode collector, and in which a through-hole is formed,at least one of the positive ...

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01-08-2013 дата публикации

SEALED SECONDARY BATTERY

Номер: US20130196192A1
Принадлежит:

Provided is a sealed secondary battery having a current interrupt mechanism with a high heat resistance that prevents fusion of the current collecting plate by the Joule heat generated during high-rate charge and discharged. A current interrupt mechanism of a sealed secondary battery provided in accordance with the present invention is configured such that when the internal pressure inside a battery case rises above the predetermined level, a current interrupt valve is deformed by the internal pressure in a direction of separating from a rectangular plate-shaped current collecting plate and the current collecting plate breaks in the portion of an annular groove of a central thin section of the current collecting plate. 1. A sealed secondary battery comprising:an electrode body including a positive electrode and a negative electrode;a battery case accommodating the electrode body;a positive electrode terminal and a negative electrode terminal provided at an outer surface of the battery case and electrically connected to the positive electrode and negative electrode, respectively, of the electrode body; anda current interrupt mechanism that interrupts an electric current when an internal pressure inside the case rises above a predetermined level, whereinthe current interrupt mechanism has, between the positive electrode of the electrode body and the positive electrode terminal or between the negative electrode of the electrode body and the negative electrode terminal, a current interrupt valve electrically connected to either of the positive terminal and negative terminal and a rectangular plate-shaped current collecting plate electrically connected to either of the positive electrode and the negative electrode of the electrode body;the rectangular plate-shaped current collecting plate is constituted by a central thin section formed to be relatively thin and a thick portion formed to be relatively thick and located on the circumference of the central thin section, and ...

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01-08-2013 дата публикации

Terminal-attached plate, plate assembly, and battery module

Номер: US20130196193A1

To provide a terminal-attached plate, which is capable of providing a connector fitting portion at only one end portion of a battery module, and is capable of preventing the battery module from being made thick, and to provide a plate assembly, and a battery module. A battery module includes a single-cell stack and a plate assembly including stacked plates turned back alternately and connected to an end of the stack, each plate including a joining portion, a plate supporting portion, a terminal including a connecting portion connected to a tab of the battery and a contact portion connected to a connector, and a hood member protecting the contact portion, wherein the hood member is disposed at a position offset to an end portion side of the plate from a center in a longitudinal direction of the plate.

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01-08-2013 дата публикации

COVER FOR AN ELECTROCHEMICAL ACCUMULATOR AND ACCUMULATOR HAVING SUCH A COVER

Номер: US20130196200A1
Принадлежит: VB Autobatterie GmbH & Co. KGaA

The invention relates to a cover part () of an electrochemical accumulator (), which cover part is designed to form an upper covering of the housing () of the accumulator (), the cover part () having a plurality of filling orifices (), to be closed by means of closing plugs, for filling the housing with liquid electrolyte, characterized in that the filling orifices () are arranged so as to be offset to one another in at least two rows () lying next to one another. The invention relates, moreover, to an accumulator having a cover part of this type. 1. Cover part of an electrochemical accumulator , which cover part is designed to form an upper covering of the housing of the accumulator , the cover part having a plurality of filling orifices , to be closed by means of closing plugs , for filling the housing with liquid electrolyte , characterized in that the filling orifices are arranged so as to be offset to one another in at least two rows lying next to one another.2. Cover part according to claim 1 , characterized in that the closing plugs of various rows of filling orifices are arranged so as to overlap claim 1 , as seen transversely to the direction of extent of the rows claim 1 , when the closing plugs are inserted into the filling orifices.3. Cover part according to claim 1 , characterized in that the closing plugs of various rows of filling orifices are arranged so as to overlap claim 1 , as seen in the direction of extent of the rows claim 1 , when the closing plugs are inserted into the filling orifices.4. Cover part according to claim 1 , characterized in that the cover part is designed to be attached to a housing lower part which has a multiplicity of cell walls which extend longitudinally transversely to the direction of extent of the rows of filling orifices and by which cell vessels arranged in a single row and separated from one another are formed in the housing lower part.5. Cover part according to claim 1 , characterized in that the filling orifices ...

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01-08-2013 дата публикации

Battery having cell tab connection structure using resistance welding

Номер: US20130196211A1
Принадлежит: SK Innovation Co Ltd

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

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01-08-2013 дата публикации

Battery, Battery System and Method for Connecting a Plurality of Batteries

Номер: US20130196217A1
Принадлежит:

A battery includes a battery body and at least one terminal protruding from an outside surface of the battery body. The terminal is electrically conductively connected to one of the battery poles. The battery further includes at least one electrically conductive bending lug, which is electrically conductive, connected via the terminal to the battery pole. The bending lug has a length that is greater than a distance of the longitudinal axis of the terminal from the point of penetration through the outside surface up to a lateral edge of the outside surface. 1. A battery , comprising:a battery body;a battery pole;at least one terminal configured to protrude from an outside surface of the battery body, wherein the at least one terminal is electrically conductively connected to the battery pole; andat least one electrically conductive bending lug which is electrically conductively connected to the battery pole via the terminal,wherein the bending lug has a length which is greater than a distance between the longitudinal axis of the terminal and the location where it passes through the outside surface as far as a lateral edge of the outside surface.2. The battery as claimed in claim 1 , wherein the bending lug has a region with a reduced bending cross section.3. The battery as claimed in claim 1 , further comprising:a connecting element whose components are the bending lug, the terminal and the battery pole.4. The battery as claimed in claim 1 , further comprising:a connecting element whose components are the battery pole and/or the terminal, andwherein the bending lug is electrically conductively connected to the terminal.5. A battery system comprising:at least two batteries which are electrically connected to one another,wherein at least a first battery of the battery system includes (i) a battery body, (ii) a battery pole, (iii) at least one terminal configured to protrude from an outside surface of the battery body, wherein the at least one terminal is electrically ...

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01-08-2013 дата публикации

ENERGY STORAGE ELEMENT

Номер: US20130196218A1
Автор: Masuda Hideki
Принадлежит: GS Yuasa International Ltd.

An energy storage element comprising: a container; an electrode assembly housed in the container; an electrode terminal provided in the container; and a current collector which electrically connects the electrode terminal and the electrode assembly, wherein the current collector is positioned inside the container, and includes: a base part connected to the electrode terminal; and arm parts which have a plate shape, extend from the base part, and are connected to the electrode assembly in a state that the plate-shaped arm parts sandwitch the electrode assembly, and paired arm parts which are outermost two of the arm parts are apart from each other with a spacing larger than a width of the base part in a direction in which the paired arm parts are arranged. 1. An energy storage element comprising:a container;an electrode assembly housed in the container;an electrode terminal provided in the container; anda current collector which electrically connects the electrode terminal and the electrode assembly,wherein the current collector is positioned inside the container, and includes:a base part connected to the electrode terminal; andplate-shaped arm parts which extend from the base part and which are connected to the electrode assembly in a state that the plate-shaped arm parts sandwitch the electrode assembly, andpaired arm parts which are outermost two of the arm parts are apart from each other with a spacing larger than a width of the base part in a direction in which the paired arm parts are arranged.2. The energy storage element according to claim 1 ,wherein the paired arm parts include:paired arm bodies connected to the electrode assembly; andpaired bridge parts which connect the paired arm bodies and the base part, andthe paired bridge parts are apart from each other with spacings that are smaller at positions closer to the base part.3. The energy storage element according to claim 2 ,wherein the paired bridge parts are flat plate-shaped parts which connect the ...

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01-08-2013 дата публикации

RECHARGEABLE BATTERY

Номер: US20130196219A1
Автор: KIM Duk-Jung
Принадлежит:

A rechargeable battery including an electrode assembly including a first electrode and a second electrode; a case accommodating the electrode assembly; a first terminal electrically connected to the first electrode of the electrode assembly; a cap plate on the case, the cap plate being electrically connected to the second electrode of the electrode assembly; and an electron donor, the electron donor being electrically connected to the first terminal. 1. A rechargeable battery , comprising:an electrode assembly including a first electrode and a second electrode;a case accommodating the electrode assembly;a first terminal electrically connected to the first electrode of the electrode assembly;a cap plate on the case, the cap plate being electrically connected to the second electrode of the electrode assembly; andan electron donor, the electron donor being electrically connected to the first terminal.2. The rechargeable battery as claimed in claim 1 , further comprising a second terminal electrically connected to the second electrode of the electrode assembly.3. The rechargeable battery as claimed in claim 1 , wherein the electron donor includes a material having a higher reactivity than a material of the first terminal.4. The rechargeable battery as claimed in claim 3 , wherein the electron donor includes at least one of magnesium claim 3 , sodium claim 3 , zinc claim 3 , iron claim 3 , cobalt claim 3 , and lead.5. The rechargeable battery as claimed in claim 4 , wherein the first terminal includes one of aluminum and copper.6. The rechargeable battery as claimed in claim 1 , wherein the first terminal includes a terminal plate and a terminal connection member.7. The rechargeable battery as claimed in claim 6 , further comprising an insulation member on the cap plate and coupled with the first terminal claim 6 , the insulation member being between the terminal plate and the cap plate.8. The rechargeable battery as claimed in claim 7 , wherein:the insulation member ...

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01-08-2013 дата публикации

Battery

Номер: US20130196228A1
Автор: Masanori Kogure
Принадлежит: Mitsubishi Heavy Industries Ltd

A battery includes an electrode plate, an electrode terminal that has a curved end face, and a connecting portion that electrically connects the electrode plate and the curved end face and that is physically connected to the curved end face along the shape of the curved end face.

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01-08-2013 дата публикации

ENERGY STORAGE ELEMENT, METAL COMPONENT, AND ENERGY STORAGE ELEMENT MANUFACTURING METHOD

Номер: US20130196229A1
Принадлежит: GS Yuasa International Ltd.

An energy storage element includes: a metal component that is a metal plate member that includes a protrusion extending from a surface of the metal plate member, and is provided as a portion of a container. The protrusion includes: a tubular portion provided at a tip end of the protrusion in an extending direction, and a base portion that is solid and extends from the surface of the metal component to the tubular portion in the extending direction. 1. An energy storage element comprisinga metal component that is a metal plate member including a protrusion extending from a surface of the metal plate member, and is provided as a portion of a container,wherein the protrusion includes:a tubular portion provided at a tip end of the protrusion in an extending direction that intersects with the surface; anda base portion that is solid or tubular and extends from the surface of the metal component to the tubular portion in the extending direction, the base portion, when tubular, having a wall thickness greater than a wall thickness of the tubular portion.2. The energy storage element according to claim 1 ,wherein the base portion and the tubular portion are seamless and share a central axis.3. The energy storage element according to claim 1 ,wherein a wall of the protrusion is formed to gradually decrease in thickness in the extending direction from a base end toward the tip end.4. The energy storage element according to claim 1 , comprisinga depression that is closed-ended, formed on a surface of an opposite side of the metal component from a surface on which the protrusion is formed, and positioned to overlap a position of the protrusion when viewed from the extending direction.5. The energy storage element according to claim 4 ,wherein a distance between a bottom of the depression and the tip end of the protrusion in the extending direction is shorter than a distance between the surface of the metal component on which the protrusion is formed and the tip end of the ...

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01-08-2013 дата публикации

Battery pack busbar module

Номер: US20130196521A1
Принадлежит: Toyota Motor Corp, Yazaki Corp

Abnormal noise at a battery pack busbar module is prevented. A battery pack busbar module includes busbar accommodating portions each accommodate busbars which connect in series batteries, cover portions coupled by hinges to one of side edges of openings in the busbar accommodating portions to cover the openings, and lock portions to lock the cover portions by bringing first engagement portions provided on the other side edges of the busbar accommodating portions and second engagement portions provided on the cover portions into engagement with each other, and ribs projecting from the cover portions to come into abutment with the busbar accommodating portions are formed in positions spaced away from the lock portions, a height of the ribs being set such that the second engagement portions are not brought into engagement with the first engagement portions when the ribs abut the busbar accommodating portions.

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08-08-2013 дата публикации

PTC Device and Secondary Battery Equipped with Same

Номер: US20130202917A1
Автор: Tanaka Arata
Принадлежит:

The present invention provides a PTC device which makes more compact a PTC device as well as an electrical device such as a battery pack comprising the PTC device and a secondary battery or a dry-cell type secondary battery. The PTC device includes a PTC component including a laminar polymer PTC element containing an electrically conductive filler, and a polymer material, and a metal electrode disposed on a surface of each side of the polymer PTC element. A lead is positioned at least in part on the metal electrode of the PTC component, and connected to the metal electrode by an electrically conductive material. An exposed part of the conductive material is covered by a protective member containing a material that is able to absorb or envelop an alkali. 2. The PTC device according to claim 1 , wherein the electrically conductive material contains tin.3. The PTC device according to claim 1 , wherein the material that is able to absorb or envelop the alkali is a crown ether.4. The PTC device according to claim 1 , wherein the protective member is in the form of a molded member enclosing the PTC component and the lead claim 1 , while an end portion of the lead protrudes outwardly from the molded member.5. The PTC device according to claim 1 , wherein the protective member is in the form of a film enclosing the PTC component and the lead claim 1 , while an end portion of the lead protrudes outwardly from the molded member.6. A secondary battery which comprises a positive electrode claim 1 , a negative electrode claim 1 , and a separator and an electrolyte disposed therebetween claim 1 , characterized by a PTC device being disposed between the positive electrode and a terminal of the positive electrode claim 1 , said PTC device comprising [ (a) an electrically conductive filler, and', '(b) a polymer material, and, '(A) a laminar polymer PTC element containing'}, '(B) a metal electrode disposed on a surface of each side of the polymer PTC element; and, '(1) a PTC ...

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08-08-2013 дата публикации

LIQUID ELECTROLYTE BATTERY WITH MIXING DEVICE

Номер: US20130202925A1
Принадлежит: IQ Power Licensing AG

The invention relates to a liquid electrolyte battery having a mixing device (), wherein the liquid electrolyte battery has a battery case (), an electrode stack (), an electrolyte having an electrolyte level (), and a mixing device () and the mixing device () has the following characteristics: a channel plate () arranged vertically in the battery case () in the installed state, a drainage plate () arranged horizontally in the battery case in the installed state, and a hinge () connecting the channel plate () to the drainage plate (), wherein the hinge () has a pivot angle that is dimensioned such that an electrode stack () can be inserted into the battery case () when the drainage plate () is pivoted upward. 285. Electrolyte battery with mixing device according to claim 1 , wherein the hinge () of the mixing device () has a pivot angle of at least 100 degrees385. Electrolyte battery with mixing device according to claim 1 , wherein the hinge () of the mixing device () has a pivot angle of at least 180 degrees485. Electrolyte battery with mixing device according to claim 1 , wherein the hinge () of the mixing device () is a foil hinge. The invention relates to a liquid electrolyte battery, which can preferably be used in motor vehicles or on boats.The aim, in particular in the automotive industry, for a lightweight construction also relates to reducing the battery weight. However, there is simultaneously a need for higher battery power because, in addition to the energy for starting the vehicle, energy is also needed for additional equipment such as power windows, servomotors for adjustment of the seats or for electric heating of the seats. Furthermore, it is desirable to keep the battery power as much as possible at a constant high level over the battery life.A number of conventional measures are known for increasing the performance of a conventional lead-acid battery. The term performance in this context relates the ability of the battery to supply current and to ...

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08-08-2013 дата публикации

PRISMATIC BATTERY HAVING ELECTROLYTE INJECTION-HOLE CAPABLE OF PROVIDING EXCELLENT SEALING ABILITY

Номер: US20130202927A1
Принадлежит: LG CHEM, LTD.

Disclosed herein is a secondary battery having an electrode assembly mounted in a prismatic container, wherein the inside of an electrolyte injection hole formed in a base plate mounted to an open upper end of the prismatic container includes an upper part having a chamfered structure in which the diameter of the electrolyte injection hole is gradually decreased downward and a lower part having a non-chamfered structure continuously formed from the chamfered structure, and, when a sealing member is pressed into the electrolyte injection hole, the sealing member deformed into a shape corresponding to the electrolyte injection hole comes into tight contact with the chamfered structure due to shear stress between the chamfered structure and the sealing member and forms a sealed state due to frictional interaction between the non-chamfered structure and the sealing member. Consequently, it is possible to reduce a defect rate of secondary batteries and to improve sealability of the electrolyte injection hole without welding. 1. A secondary battery having an electrode assembly mounted in a prismatic container , wherein an inside of an electrolyte injection hole formed in a base plate mounted to an open upper end of the prismatic container comprises an upper part having a chamfered structure in which a diameter of the electrolyte injection hole is gradually decreased downward and a lower part having a non-chamfered structure continuously formed from the chamfered structure , and , when a sealing member is pressed into the electrolyte injection hole , the sealing member deformed into a shape corresponding to the electrolyte injection hole comes into tight contact with the chamfered structure due to shear stress between the chamfered structure and the sealing member and forms a sealed state due to frictional interaction between the non-chamfered structure and the sealing member.2. The secondary battery according to claim 1 , wherein the chamfered structure extends downward ...

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15-08-2013 дата публикации

Passive Safety Device and Internal Short Tested Method for Energy Storage Cells and Systems

Номер: US20130209841A1
Принадлежит: ALLIANCE FOR SUSTAINABLE ENERGY, LLC

A passive safety device for an energy storage cell for positioning between two electrically conductive layers of the energy storage cell The safety device also comprising a separator and a non-conductive layer. A first electrically conductive material is provided on the non-conductive layer. A first opening is formed through the separator between the first electrically conductive material and one of the electrically conductive layers of the energy storage device. A second electrically conductive material is provided adjacent the first electrically conductive material on the non-conductive layer, wherein a space is formed on the non-conductive layer between the first and second electrically conductive materials. A second opening is formed through the non-conductive layer between the second electrically conductive material and another of the electrically conductive layers of the energy storage device. The first and second electrically conductive materials combine and exit at least partially through the first and second openings to connect the two electrically conductive layers of the energy storage device at a predetermined temperature. 1. A passive safety device for an energy storage cell for positioning between two electrically conductive layers of the energy storage cell , the device comprising:a separator;a non-conductive layer;a first electrically conductive material provided on the non-conductive layer;a first opening formed through the separator between the first electrically conductive material and one of the electrically conductive layers of the energy storage cell;a second electrically conductive material provided. adjacent the first electrically conductive material on the non-conductive layer, wherein a space is formed on the non-conductive layer between the first and second electrically conductive materials;a second opening formed through the non-conductive layer between the second electrically conductive material and another of the electrically conductive ...

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15-08-2013 дата публикации

BATTERY COMPRISING A MOULDED BODY MADE OF A POROUS, MOISTURE-ABSORBING MATERIAL FOR TRANSPORTING MOISTURE OUT OF THE BATTERY HOUSING

Номер: US20130209844A1
Принадлежит:

A battery includes a housing in which at least one battery cell and a device configured to dry air present in a housing inner chamber are arranged. The battery also includes a molded body made of a porous, moisture-absorbing material that is arranged such that it extends both into the housing inner chamber and into an outer chamber of the housing and connects said chambers to each other such that moisture is conducted there between. The part of the molded body present in the housing inner chamber is connected to the device configured to dry the air present in the housing inner chamber such that collected water is transferred out of the device to the molded body for air drying. 1. A battery comprising:a housing having a housing inner space;at least one battery cell arranged in the housing;a device arranged in the housing and configured to dry air located in the housing inner space; anda molded body made from a porous, moisture-absorbing material, the molded body mounted to extend both into the housing inner space and into a space outside the housing and to connect the housing inner space to the space outside the housing in a moisture-conducting manner, wherein a part of the molded body located in the housing inner space connected to the device to transfer collected water from the device to the molded body.2. The battery as claimed in claim 1 , wherein the molded body is configured to distribute absorbed water over an entire volume of the molded body.3. The battery as claimed in claim 1 , wherein the porous claim 1 , moisture-absorbing material has capillary ascension for water.4. The battery as claimed in claim 1 , wherein the molded body made from porous claim 1 , moisture-absorbing material has capillaries with a mean radius which allows transport of water by capillary ascension from an end of the molded body which lies inside the housing to an end of the molded body which lies outside the housing.5. The battery as claimed in claim 1 , wherein the porous claim 1 , ...

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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
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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22-08-2013 дата публикации

CAP ASSEMBLY AND SECONDARY BATTERY USING THE SAME

Номер: US20130216870A1
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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22-08-2013 дата публикации

CAP ASSEMBLY OF NOVEL STRUCTURE AND CYLINDRICAL BATTERY EMPLOYED WITH THE SAME

Номер: US20130216871A1
Принадлежит: LG CHEM, LTD.

Disclosed herein is a cap assembly disposed at an open upper end of a cylindrical container of a battery in which an electrode assembly (jelly roll) of a cathode/separator/anode structure is mounted in the cylindrical container, wherein an electrode lead of the jelly roll is electrically connected to the lower end of a safety vent having notches, which are ruptured to discharge high pressure gas when high pressure is generated in the battery, and a safety element to interrupt current at a predetermined temperature is provided between the safety vent and the electrode lead. 1. A cap assembly disposed at an open upper end of a cylindrical container of a battery in which an electrode assembly (jelly roll) of a cathode/separator/anode structure is mounted in the cylindrical container , whereinan electrode lead of the jelly roll is electrically connected to the lower end of a safety vent having notches, which are ruptured to discharge high pressure gas when high pressure is generated in the battery, and a safety element to interrupt current at a predetermined temperature is provided between the safety vent and the electrode lead.2. The cap assembly according to claim 1 , wherein an insulative plate to prevent contact between the jelly roll and the safety element is mounted at the top of the jelly roll.3. The cap assembly according to claim 1 , wherein the safety element comprises a thermal fuse.4. The cap assembly according to claim 1 , wherein the predetermined temperature is 80° C. to 110° C.5. The cap assembly according to claim 1 , wherein the predetermined temperature is 90° C. to 100° C.6. The cap assembly according to claim 1 , wherein the electrode lead is bent outward from the front end of a region of the electrode lead to which the safety element is coupled so that the electrode lead is directed outward from the center of the jelly roll claim 1 , and is then bent inward from the rear end of the region of the electrode lead to which the safety element is coupled ...

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22-08-2013 дата публикации

SECONDARY BATTERY OF IMPROVED SEALABILITY

Номер: US20130216876A1
Принадлежит: LG CHEM, LTD.

Disclosed herein is a secondary battery having an electrode assembly placed in a prismatic container, wherein an upper part of the inside of an electrolyte injection hole formed in a base plate mounted to an open upper end of the prismatic container is configured to have a chamfered structure in which the diameter of the electrolyte injection hole is gradually decreased downward, a lower part of the inside of the electrolyte injection hole is configured to have a non-chamfered structure, the chamfered structure is formed in an irregular shape to increase the length of an electrolyte leakage route along which an electrolyte leaks out of the secondary battery, and, when a sealing member is pressed into the electrolyte injection hole, the sealing member is deformed so as to correspond to an internal structure of the electrolyte injection hole such that the electrolyte injection hole is sealed by the sealing member. 1. A secondary battery having an electrode assembly placed in a prismatic container , wherein an upper part of an inside of an electrolyte injection hole formed in a base plate mounted to an open upper end of the prismatic container is configured to have a chamfered structure in which a diameter of the electrolyte injection hole is gradually decreased downward , a lower part of the inside of the electrolyte injection hole is configured to have a non-chamfered structure , the chamfered structure is formed in an irregular shape to increase a length of an electrolyte leakage route along which an electrolyte leaks out of the secondary battery , and , when a sealing member is pressed into the electrolyte injection hole , the sealing member is deformed so as to correspond to an internal structure of the electrolyte injection hole such that the electrolyte injection hole is sealed by the sealing member.2. The secondary battery according to claim 1 , wherein the chamfered structure extends downward from an upper end of the electrolyte injection hole within a range ...

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22-08-2013 дата публикации

Terminal base of power supply device for electric vehicle

Номер: US20130216883A1
Принадлежит: Honda Motor Co Ltd

A terminal base of a power supply device for electric vehicle wherein electrical connection terminals on the vehicle body side can be easily connected to electrical connection terminals on the battery pack side. A base is provided with an opening for accepting an insulator board on which male-side terminals are held. The opening is provided with first lower and upper guides and with second lower and upper guides. A first edge of the insulator board is clamped by the first lower and upper guides from the lower and upper sides. A second edge opposed to the first edge of the insulator board is clamped by the second lower and upper guides from the lower and upper sides. In this manner, the insulator board is supported in a floating state. The tip of each of the male-side terminals is beveled for mating with the female-side terminals during connection.

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29-08-2013 дата публикации

PRISMATIC SECONDARY BATTERY

Номер: US20130224536A1
Принадлежит: SANYO ELECTRIC CO., LTD.

A groove is formed in a ring shape and a ring-shaped convexity is formed on the periphery of a through-hole of a positive electrode terminal plate. An upper end side of a crimping part of a positive electrode exterior terminal is inserted through the through-hole of the positive electrode terminal plate and crimped, and welded spots are formed by irradiation with high-energy beams between a distal end side of the crimping part and the convexity. The mechanical and electrical connection of an exterior terminal and a terminal plate to the crimping part through welding with high-energy beams makes it possible to provide a prismatic secondary battery of enhanced reliability in which cracking is less likely to occur in the welded spots, the coupling strength between the exterior terminal and the terminal plate is increased, and fluctuations in the internal resistance are curbed. 1. A prismatic secondary battery , comprising:a prismatic outer casing having an opening;an electrode assembly having a positive electrode plate and a negative electrode plate, the electrode assembly being accommodated within the prismatic outer casing;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 for sealing the opening of the outer casing;a positive electrode exterior terminal and a negative electrode exterior terminal inserted into respective first through-holes provided to the sealing body, each of the terminals being inserted so as to be electrically insulated from the sealing body via respective insulating members; anda positive electrode terminal plate and a negative electrode terminal plate arranged on the positive electrode exterior terminal and the negative electrode exterior terminal, respectively,the positive electrode collector and the negative electrode collector being electrically connected to the positive electrode terminal plate and the ...

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29-08-2013 дата публикации

BATTERY DEVICE AND ELECTRONIC APPARATUS

Номер: US20130224573A1
Принадлежит: SONY CORPORATION

A battery charger includes a battery attachment section configured to have a rechargeable battery releasably attached thereto. The battery attachment section includes a flat attachment surface having a width corresponding to a width of a bottom surface of a case of the battery to be charged and a length greater than a length of the bottom surface of the case of the battery to be charged; a plurality of locking hooks provided on the attachment surface; a charger terminal configured to contact a terminal of the battery to be charged, the charger terminal including a plurality of plate-shaped contact pieces configured to be inserted into engaging grooves of the battery to be charged; and an attachment projection adjacent to the attachment surface and configured to secure the battery to the charger. 1. A battery comprising:a case having a width, a thickness, and a length, the case including a body section and a bottom section, the bottom section provided in a middle of the body section in a width direction and at one end of the body section in a thickness direction, the bottom section having a width which is smaller than the width of the body section;a battery cell housed inside of the case;a power supply terminal configured to supply an operating current to external electronic equipment from the battery cell;a bottom surface formed at one of surfaces of the bottom section in the thickness direction; andlocking pieces projecting from both side ends in the width direction of the bottom section such that a distance between tips of locking pieces positioned on opposite sides in the width direction is greater than the width of the bottom section and smaller than the width of the body section.2. The battery according to claim 1 , wherein each locking piece is formed as a surface positioned substantially coplanar with the bottom surface.3. The battery according to claim 1 , further comprising:at least one additional locking piece on each side of the case in the width ...

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05-09-2013 дата публикации

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

Номер: US20130230748A1
Принадлежит:

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

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12-09-2013 дата публикации

COMPONENT FOR SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF, AND SECONDARY BATTERY AND MULTI-BATTERY APPARATUS MANUFACTURED BY USING THE COMPONENT

Номер: US20130236752A1
Принадлежит: LG CHEM, LTD.

The present invention describes a component for a secondary battery and a manufacturing method thereof, and a secondary battery manufactured by using the component. The component for a secondary battery according to the present invention comprises a metal plate in which at least one recess line is formed; and a soldering pattern joined in the recess line. According to the present invention, when an over-current flows through the component for a secondary battery, breakage occurs at the portion where soldering pattern is joined in the recess line, thereby efficiently interrupting the flow of an over-current. 1. A component for a secondary battery , comprising:a metal plate having at least one recess line; anda soldering pattern joined in the recess line.2. The component for a secondary battery according to claim 1 , wherein the width of the inner bottom portion of the recess line is narrower than the width of the metal plate.3. The component for a secondary battery according to claim 2 , wherein the bottom portion is non-continuously formed in the width-direction of the metal plate.4. The component for a secondary battery according to claim 1 , wherein the recess line has any one pattern selected from a straight pattern claim 1 , a zigzag pattern claim 1 , a saw-toothed pattern claim 1 , a wave pattern claim 1 , and a combination thereof.5. The component for a secondary battery according to claim 1 , wherein the recess line has a continuous or non-continuous line pattern.6. The component for a secondary battery according to claim 1 , wherein the recess line is formed on the top surface of the metal plate claim 1 , the bottom surface thereof claim 1 , or both.7. The component for a secondary battery according to claim 1 , wherein the soldering pattern is made of a lead-free soldering material containing tin (Sn) and copper (Cu) as a main ingredient claim 1 , and containing no lead (Pb).8. The component for a secondary battery according to claim 7 , wherein the content ...

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19-09-2013 дата публикации

INTRINSICALLY-SAFE BATTERY POWER SUPPLY FOR UNDERGROUND MINING

Номер: US20130241473A1
Принадлежит: CATERPILLAR GLOBAL MINING EUROPE GMBH

An intrinsically safe battery power supply for electrical equipment in underground mining includes a battery housing having a first end with a first opening and a second end having a pressure-resistant second opening. The battery housing defines a first space. At least one storage battery cell is provided in the first space, and a lid is coupled to the battery housing near the first end providing access to the storage battery cell through the first opening. An envelope housing is coupled near the second end of the battery housing and has a charging socket and a consumption socket and defines a second space. A circuit board having intrinsically-safe circuits is provided in the second space, the circuit board electrically coupled to the storage battery cell through the pressure resistant second opening in the battery housing, and electrically coupled to the charging socket and the consumption socket on the envelope housing. 1. An intrinsically safe battery power supply for electrical equipment in underground mining , the battery power supply comprising:a battery housing having a first end with a first opening and a second end having a pressure-resistant second opening, the battery housing defining a first space therein;at least one storage battery cell disposed in the first space;a lid coupled to the battery housing proximate the first end and providing access to the storage battery cell through the first opening;an envelope housing coupled proximate the second end of the battery housing, the envelope housing having a charging socket and a consumption socket, and defining a second space therein; anda circuit board having intrinsically-safe circuits and disposed in the second space, the circuit board electrically coupled to the storage battery cell through the pressure resistant second opening in the battery housing, and electrically coupled to the charging socket and the consumption socket on the envelope housing.2. The battery power supply according to claim 1 , ...

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19-09-2013 дата публикации

LITHIUM STARTER BATTERY AND SOLID STATE SWITCH THEREFOR

Номер: US20130241498A1
Автор: Koebler Martin
Принадлежит:

Apparatus for increasing the efficiency of a starter battery for a starter motor of an internal combustion engine in a battery pack arrangement with one or more lithium based cells. The invention includes a solid state switching configuration for high powered battery systems for protecting against over-charging, over-discharging and short circuiting of batteries, especially starter batteries for internal combustion engines. 1. A battery pack for driving an electrical device in a 12 volt to 120 volt operating system , said battery pack comprising:a battery pack housing; andat least one lithium-based rechargeable cell within said housing;wherein a total discharging amount of each lithium-based cell in the battery pack is from three (3) Ah to 5000 Ah, and charging voltage per one cell is 3.0 to 4.2 V.2. A battery pack according to wherein the lithium-based cell is a lithium iron phosphate cell.3. A battery pack according to claim 2 , wherein the lithium iron phosphate cell is selected from the group consisting of LiFePO claim 2 , LiFePO claim 2 , LiFeMgPO claim 2 , and LiFeYPOcells.410. A battery pack according to wherein the lithium-based cell is selected from the group consisting of LiCoO claim 1 , LiMnO claim 1 , LiNiCoA claim 1 , LiNiMnCoO claim 1 , and LiTiOcells.5. A battery pack according to claim 1 , wherein said battery pack comprises four lithium-based rechargeable cells in series in said housing.6. A battery pack according to claim 1 , wherein said battery pack comprises an even number of lithium-based rechargeable cells in said housing.7. A battery pack according to wherein said electrical device is an internal combustion engine starting device connected to an internal combustion engine.8. A battery pack according to claim 1 , further comprising a protection circuit board within said housing.9. A battery pack according to claim 8 , wherein said protection circuit board is a cut-off board or a cell balancing circuit board.10. A battery pack according to ...

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19-09-2013 дата публикации

Battery System

Номер: US20130244065A1
Автор: Inaba Ryo, Yamauchi Shin
Принадлежит: Hitachi, Ltd.

There is provided a battery system made up by connecting multiple battery units in parallel with each other, the battery units having multiple battery banks, respectively, and multiple switching circuits connected in series to the battery banks, respectively. A switching circuit is made up by connecting a first circuit connected in series to a precharge resistor having a known resistance value, in parallel with a second circuit having a second switch. Timing for turning the second switch into the on state under an equal-current condition when the connection-target battery unit is connected to the battery system is controlled by a controller for controlling the respective outputs of the plural battery units. 1. A battery system comprising:a plurality of battery units, the battery unit having a battery bank made up by connecting a plurality of storage batteries with each other, and a switching circuit, connected in series to the battery bank, the plural battery units being connected in parallel with each other,wherein the switching circuit is made up by connecting a first circuit comprising a first switch connected in series to a precharge resistor in parallel with a second circuit comprising a second switch,wherein the plural battery units each comprise:a battery bank voltage detector that detects a voltage difference between the respective ends of the battery bank; anda first current detector that detects a current flowing through the battery bank,wherein the battery system has a second current detector that detects a current flowing through the battery system, and is provided with a controller that controls respective outputs of the plural battery units, andwherein the controller turns the first switch into the on state in a connection-target battery unit to serve as a target for connection when the connection-target battery unit is connected to the battery system, turning the first switch into the off state after the second switch is turned into the off state, ...

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19-09-2013 дата публикации

Battery Cell, Battery Cell Module, Method for Producing a Battery Cell Module and Motor Vehicle

Номер: US20130244091A1
Принадлежит: ROBERT BOSCH GMBH

A lithium-ion battery cell includes a cell housing having a base area on which the battery cell is positioned, at least one side face, and two terminals. A first terminal is electrically conductively connected to a cathode of the battery cell, and a second terminal is electrically conductively connected to an anode of the battery cell. The terminals are arranged on at least one side face of the cell housing. A battery cell module includes a plurality of the battery cells. A terminal of a first battery cell makes contact with a terminal of a second battery cell. The disclosure describes a method for producing the battery cell module, in which at least one first and one second battery cell are provided, positioned next to one another, and at least one terminal of the first battery cell is electrically conductively connected to a terminal of the second battery cell. 1. A battery cell comprising:a cell housing including (i) a base area on which the battery cell is placed, (ii) at least one side face, and (iii) two terminals, a first terminal of the two terminals is electrically conductively connected to a cathode of the battery cell and a second terminal of the two terminals is electrically conductively connected to an anode of the battery cell, and the two terminals are arranged on at least one side face of the cell housing.2. The battery cell as claimed in claim 1 , wherein the two terminals are arranged on side faces of the cell housing claim 1 , which are situated opposite one another.3. The battery cell as claimed in claim 1 , wherein a side face of the cell housing is configured as a terminal.4. The battery cell as claimed in claim 1 , further comprising:at least one elastically deformable element configured to realize an elastically displaceable position of a contact area of a terminal of the two terminals.5. The battery cell as claimed in claim 4 , wherein the elastically deformable element is configured as a terminal of the two terminals.6. The battery cell as ...

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26-09-2013 дата публикации

Non-aqueous secondary battery and secondary battery system

Номер: US20130249498A1
Принадлежит: HITACHI LTD

A non-aqueous secondary battery, such as a lithium ion secondary battery, eliminates local potential distribution in a cell due to the side reaction during charge/discharge, and does not undergo deterioration of capacitance, deterioration of a positive electrode material, and deposition of metallic lithium. The non-aqueous secondary battery has an electrode group and an electrolyte disposed in one container. The electrode group includes a positive electrode, a negative electrode, and a separator, and is divided into a plurality of electrode groups separated electrically. The electrode groups are in contact with an identical electrolyte, and terminals are led out from the positive electrode and the negative electrode to the outside of the container on every electrode group. Terminals are connected on every positive electrode and negative electrode at the outside of the container, and the terminals at the outside of the container are connectable and disconnectable easily.

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26-09-2013 дата публикации

ELECTRICAL BYPASS ELEMENT, IN PARTICULAR FOR STORAGE CELLS OF AN ENERGY STORAGE DEVICE

Номер: US20130252039A1

An electrical bypass element, suitable for bypassing defective storage cells in energy storage devices includes two electrical conductors between which is formed a layer sequence with at least one electrical insulation layer and one or more reactive layer stacks, in which an exothermic reaction can be triggered. The reactive layer stacks and the insulation layer are matched to one another such that the insulation layer disintegrates as a result of the thermal energy released during the exothermic reaction and an electrical connection is produced between the electrical conductors. The electrical bypass element can be actively triggered even before the ultimate failure of a storage cell so that higher power losses in the energy storage device can be avoided. 1. An electrical bypass element comprising two electrical conductors , between which a layer sequence is formed , said layer sequence comprising at least one electrical insulation layer , which insulates the two electrical conductors electrically from one another , and one or more reactive layer stacks , in which an exothermic reaction can be triggered ,wherein the one or more reactive layer stacks and the at least one insulation layer are matched to one another such that the insulation layer disintegrates as a result of thermal energy released by the reactive layer stack(s) during the exothermic reaction and an electrical connection is produced between the electrical conductors.2. The bypass element according to claim 1 , wherein the layer sequence comprises a layer formed from a solder material at one or both electrical conductors claim 1 , which solder material melts at least in part as a result of the thermal energy released by the reactive layer stack(s) during the exothermic reaction.3. The bypass element according to claim 1 , wherein the layer sequence comprises at least the following layers in the specified order between the electrical conductors:a first layer formed from a solder material,the electrical ...

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26-09-2013 дата публикации

Battery terminal with current sensor

Номер: US20130252050A1
Автор: Satoshi Uematsu
Принадлежит: Yazaki Corp

A battery terminal with current sensor includes: a battery terminal part that is formed by a conductive metal plate, and that includes a post part to be connected to a battery post of a battery; a current sensor that is integrated with the battery terminal part by a resin molding, and that includes a stud part to be connected to a load; and a sensor part that corresponds to an integrated part of the battery terminal part and the current sensor. The sensor part includes a penetration portion having a hole or slit shape that is formed at a part to be resin-molded of the battery terminal part, and a filling portion that is formed at a resin-molded part of the current sensor and fills the penetration portion.

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26-09-2013 дата публикации

BATTERY

Номер: US20130252071A1
Принадлежит: KABUSHIKI KAISHA TOSHIBA

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

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26-09-2013 дата публикации

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY MODULE

Номер: US20130252073A1
Принадлежит: KABUSHIKI KAISHA TOSHIBA

A nonaqueous electrolyte secondary battery, having an internal resistance of 10 mΩ or less as an alternating-current impedance value of 1 kHz, comprises a metal outer container, a nonaqueous electrolyte contained in the container, a positive electrode contained in the container, a negative electrode contained in the container, a separator interposed between the negative electrode and the positive electrode, a negative electrode lead having one end connected to the negative electrode, and a negative electrode terminal attached to the outer container so as to be connected electrically to the other end of the negative electrode lead, at least the surface of the negative electrode terminal which is connected to the negative electrode lead being formed of aluminum alloy with an aluminum purity of less than 99 wt. % containing at least one metal selected from the group consisting of Mg, Cr, Mn, Cu, Si, Fe and Ni. 115-. (canceled)16. A nonaqueous electrolyte secondary battery having an internal resistance of 10 mΩ or less as an alternating-current impedance value of 1 kHz , comprising;a metal outer container;a nonaqueous electrolyte housed in the container;a positive electrode housed in the container;a negative electrode housed in the container, and comprising a current collector and a negative electrode layer formed on one side or both sides of the current collector, the negative electrode layer comprising an active material; for intercalating lithium ions at a potential of 0.4 V or more with respect to an electrode potential of lithium, a conductive agent, and a binder;a separator interposed between the negative electrode and the positive electrode;a negative electrode lead having a first end connected to the negative electrode, the negative electrode lead being made of aluminum with a purity of 99 wt. % or more, or aluminum alloy with an aluminum purity of 99 wt. % or more; anda negative electrode terminal attached to the outer container so as to be connected ...

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03-10-2013 дата публикации

METHOD OF MANUFACTURING PRISMATIC BATTERY

Номер: US20130255072A1
Автор: OGG Randy Gene
Принадлежит:

Provided is a method of manufacturing a prismatic battery, or a series of prismatic batteries. The method comprises stacking positive electrode plates, negative electrode plates and separator layers therebetween. The positive and negative electrode plates extend beyond a periphery of the electrode stack. The positive electrode plates are fused to form a positive current collector, and the negative electrode plates are fused to form a negative current collector. 1. A method of manufacturing a prismatic battery comprising: the positive electrode plates extend beyond a periphery of the electrode stack, and the positive electrode plates are arranged such that the positive electrode plates are aligned with one another; and', 'the negative electrode plates extend beyond a periphery of the electrode stack, and the negative electrode plates are arranged such that the negative electrode plates are aligned with one another;, 'stacking positive electrode plates, negative electrode plates, and separator layers therebetween, whereinfusing the positive electrode plates to form positive current collectors; andfusing the negative electrode plates to form negative current collectors.2. The method of claim 1 , further comprising connecting the positive current collector to a positive terminal.3. The method of claim 1 , further comprising connecting the negative current collector to a negative terminal.4. The method of claim 1 , wherein the periphery of the electrode stack of positive electrode plates comprises a finite number of sides claim 1 , and further wherein the positive electrode plates are fused to form positive current collectors at multiple sides of the electrode stack.5. The method of claim 4 , wherein the positive current collectors are coextensive with the sides of the electrode stack.6. The method of claim 1 , wherein the positive electrode comprises manganese and the negative electrode comprises Zn.7. The method of claim 1 , wherein the periphery of the electrode stack ...

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03-10-2013 дата публикации

REVERSE CONNECTION PREVENTING STRUCTURE FOR USE IN BATTERY- DRIVEN OBJECT DETECTION DEVICE

Номер: US20130260181A1
Принадлежит: OPTEX CO., LTD.

Provided is a reverse connection preventing structure in a battery-driven object detection device, which has a simple structure capable of preventing reverse connection of even a battery whose projecting positive electrode is relatively lower in height. The structure has a holder for holding the battery including a first terminal for electrically connecting to a projecting positive electrode and a second terminal for electrically connecting to a negative electrode. The first terminal is formed in a printed circuit board. On the printed circuit board, an insulating member of less than 0.5 mm in thickness are provided around the circumference of the first terminal in such a manner as to allow the first terminal to come in contact with the positive electrode of the battery which is mounted correctly and as to prevent the first terminal from coming in contact with the negative electrode of the battery which is mounted reversely. 1. A battery reverse connection preventing structure provided in an object detection device driven by a battery having a projecting positive electrode and a negative electrode for preventing the battery from being reversely connected , the structure comprising:a holder for holding the battery, a printed circuit board having wiring;', 'a positive electrode contact terminal formed on the printed circuit board for electrically connecting to the projecting positive electrode of the battery;', 'a negative electrode contact terminal for electrically connecting to the negative electrode of the battery; and', 'an insulating member of less than 0.5 mm in thickness provided around a circumference of the positive electrode contact terminal on the printed circuit board in such a manner as to allow the positive electrode contact terminal to come in contact with the projecting positive electrode of the battery which is correctly mounted and to prevent the positive electrode contact terminal from coming in contact with the negative electrode of the battery ...

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03-10-2013 дата публикации

Battery Pack and Battery System

Номер: US20130260191A1
Принадлежит: Hitachi, Ltd.

A battery pack in which an increase in size is restrained even if the battery pack includes plural battery modules with fuses is to be provided. In order to solve the foregoing problem, a battery pack according to the invention includes at least two or more battery modules, each battery module having a battery cell and a first fuse connected in series with the battery cell, the battery cell and the first fuse being housed in a casing. A positive electrode terminal provided in one battery module and a negative electrode terminal provided in another battery module are connected to each other via a second fuse. The second fuse has a higher rated voltage than the first fuse. 1. A battery pack comprising at least two or more battery modules , each battery module having a battery cell and a first fuse connected in series with the battery cell , the battery cell and the first fuse being housed in a casing ,wherein a positive electrode terminal provided in one battery module and a negative electrode terminal provided in another battery module are connected to each other via a second fuse, andthe second fuse has a higher rated voltage than the first fuse.2. The battery pack according to claim 2 , whereinthe second fuse breaks at a lower current than a current at which the first fuses breaks.3. The battery pack according to claim 1 , whereinthe battery pack has a table on which the two or more battery modules are installed, andthe one battery module and the another battery module are arranged next to each other in such a way that the positive electrode terminal of the one battery module and the negative electrode terminal of the another battery module are arranged at substantially parallel positions to the table.4. The battery pack according to claim 3 , whereinthe one battery module and the another battery module are installed in tight contact with each other on the table.5. The battery pack according to claim 4 , whereinthe second fuse has a rated voltage that is equal to ...

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03-10-2013 дата публикации

Secondary Battery And Secondary Battery Module

Номер: US20130260212A1
Принадлежит: Hitachi Vehicle Energy, Ltd.

A secondary battery includes a battery casing accommodating an electricity-generating element group, and a battery cover having through-holes and sealing an opening in the battery casing. A first face at one end of each of positive and negative electrode connecting plates, which are each formed from a single plate of metal, is connected to a non-coated section of the electricity-generating element group. A second face at the other end of each of the positive and negative electrode connecting plates is a face onto which a busbar is welded, and the second face is exposed outward from one of the through-holes. Insulating base materials are interposed between THE positive and negative electrode connecting plates and an outer circumference of each through-hole, the insulating base materials and the battery cover are connected by brazing, and the insulating base materials and the positive and negative electrode connecting plates are connected by brazing. 2. The secondary battery according to claim 1 , wherein:the battery container includes a battery casing and a battery cover sealing an opening in the battery casing, the battery cover including the through-hole for the positive electrode and the through-hole for the negative electrodes; andthe second faces serving as the positive and negative electrode external terminals are parallel to the battery cover.3. The secondary battery according to claim 2 , further comprising:insulating base materials each include a cylindrical section having a base material through-hole centrally therein, the cylindrical section being inserted between the positive electrode connecting plate and the through-hole for the positive electrode, as well as between the negative electrode connecting plate and the through-hole for the negative electrode, and the insulating base materials electrically insulating the battery cover and the positive and negative electrode connecting plates from each other;wherein the batter container internally is ...

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10-10-2013 дата публикации

BATTERY AND METHOD OF USE

Номер: US20130265001A1
Принадлежит:

A battery includes a battery case including battery chemistry for supplying electricity, a first end, and a second end opposite the first end; a first positive terminal, a first negative terminal, a first conductive communications link, and first insulators electrically isolating the terminals and link at the first end, and together form a first terminal configuration; a second positive terminal, a second negative terminal, a second conductive communications link, and second insulators electrically isolating the terminals and link at the second end, and together form a second terminal configuration, wherein the second terminal configuration is a mirror image of the first terminal configuration. 1. A battery , comprising:a battery case including battery chemistry for supplying electricity, a first end, and a second end opposite the first end;a first positive terminal, a first negative terminal, a first conductive communications link, and first insulators electrically isolating the terminals and link at the first end, and together form a first terminal configuration;a second positive terminal, a second negative terminal, a second conductive communications link, and second insulators electrically isolating the terminals and link at the second end, and together form a second terminal configuration,wherein the second terminal configuration is a mirror image of the first terminal configuration.2. The battery of claim 1 , wherein the battery is rechargeable.3. The battery of claim 1 , wherein the battery chemistry lithium-ion chemistry.4. The battery of claim 1 , wherein the battery chemistry is zinc-carbon chemistry.5. The battery of claim 1 , wherein the battery chemistry is lead-acid chemistry.6. The battery of claim 1 , wherein the battery chemistry is alkaline chemistry.7. The battery of claim 1 , wherein the battery is elongated and cylindrical in shape.8. The battery of claim 1 , wherein the first positive terminal and the second positive terminal are circular claim ...

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10-10-2013 дата публикации

RECHARGEABLE BATTERY PACK

Номер: US20130266823A1
Автор: Lee Kye-Youn
Принадлежит: Samsung SDI Co., Ltd.

A rechargeable battery pack includes a plurality of unit cells, a protection circuit module, flexible printed circuit boards, and a case. The plurality of unit cells are comprised of a rechargeable battery and divided into a first group of unit cells and a second group of unit cells. The protection circuit module electrically protects the unit cells. The flexible printed circuit boards connect the unit cells to the protection circuit module. The case is equipped with the unit cells, the protection circuit module and the flexible printed circuit boards. The flexible printed circuit board forms a concave groove retracting corresponding to a positive electrode lead tab or a negative electrode lead tab in one of the first group of unit cells and the second group of unit cells, and include a bending part corresponding to the concave groove. 1. A battery pack comprising:a plurality of battery cells each having a first and a second electrode;at least one protection circuit module that is connected to the plurality of battery cells;a case that accommodates the plurality of battery cells and the at least one protection circuit module;a first flexible printed circuit board that is coupled to a first set of the first electrodes of the plurality of battery cells and the at least one protection circuit module;a second flexible printed circuit board that is coupled to a first set of the second electrodes of the plurality of battery cells and the at least one of the protection circuit module wherein the second flexible printed circuit board is positioned adjacent at least some of the first set of first electrodes and wherein the second flexible printed circuit board defines a first planar surface and has a bending part formed adjacent at least some of the first set of first electrodes so as to extend outward from the first planar surface.2. The battery pack of claim 1 , wherein the second flexible printed circuit board has concave grooves formed into the first planar surface ...

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10-10-2013 дата публикации

SECONDARY BATTERY

Номер: US20130266830A1
Принадлежит:

A secondary battery, including an electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first and second electrode plates, a first collector electrically connected to the first electrode plate, and having a fuse region, a case accommodating the electrode assembly and the first collector, a cap plate coupled with the case, and having a short circuit hole, a first short circuit member in the short circuit hole, a second short circuit member spaced apart from a top surface of the cap plate and facing the first short circuit member, the second short circuit member being electrically connected to the second electrode plate, and an induction member inducing gas generated from inside the case to move to the first short circuit member. 1. A secondary battery , comprising:an electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first and second electrode plates;a first collector electrically connected to the first electrode plate, and having a fuse region;a case accommodating the electrode assembly and the first collector;a cap plate coupled with the case, and having a short circuit hole;a first short circuit member in the short circuit hole;a second short circuit member spaced apart from a top surface of the cap plate and facing the first short circuit member, the second short circuit member being electrically connected to the second electrode plate; andan induction member inducing gas generated from inside the case to move to the first short circuit member.2. The secondary battery as claimed in claim 1 , wherein:the induction member includes a first opening at a first side of the induction member and a second opening at a second side of the induction member, andthe induction member is provided in a duct form.3. The secondary battery as claimed in claim 2 , wherein the first side of the induction member is connected to the first collector such that the first opening ...

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17-10-2013 дата публикации

RECHARGEABLE BATTERY AND MODULE THEREOF

Номер: US20130273411A1
Автор: KIM Duk-Jung
Принадлежит:

A rechargeable battery, and a module thereof, including a case accommodating an electrode assembly therein; a cap plate covering an opening of the case and having terminal holes; and electrode terminals installed in the terminal holes and electrically connected to the electrode assembly, the electrode terminals being protruded from lateral surfaces of the case adjacent the opening. 1. A rechargeable battery comprising:a case accommodating an electrode assembly therein;a cap plate covering an opening of the case and having terminal holes; andelectrode terminals installed in the terminal holes and electrically connected to the electrode assembly,wherein the electrode terminals are protruded from lateral surfaces of the case adjacent the opening.2. The rechargeable battery of claim 1 , wherein the case has support recesses formed on the lateral surfaces to support the protruded electrode terminals.3. The rechargeable battery of claim 1 , wherein the cap plate comprises:a planar portion corresponding to the opening of the case; andlateral portions extending from end portions of the planar portion in a direction perpendicular to the planar portion.4. The rechargeable battery of claim 3 , wherein the lateral portions face each other at opposite sides of the planar portion and have the terminal holes formed therein.5. The rechargeable battery of claim 3 , wherein the lateral portions are connected to the lateral surfaces of the case claim 3 , and close support recesses formed on the lateral surfaces to support the electrode terminals.6. The rechargeable battery of claim 3 , further comprising lead tabs connected to uncoated regions of the electrode assembly claim 3 , the lead tabs corresponding to the lateral portions and connected to inner ends of the electrode terminals.7. The rechargeable battery of claim 6 , further comprising an insulator between the lead tabs and the lateral portions.8. The rechargeable battery of claim 7 , wherein the insulator comprises first ...

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17-10-2013 дата публикации

BATTERY PACK AND VEHICLE INCLUDING THE SAME

Номер: US20130273412A1
Принадлежит:

A battery pack includes battery cells, bus bars, and a wire harness. The battery cells include terminals on the upper surfaces of the battery cells. The bus bars connect the terminals of the battery cells to each other with the plurality of battery cells being arranged side by side. The wire harness is connected to the terminals. An electrically insulating separation wall is arranged between the terminal and the wire harness. 19-. (canceled)10. A battery pack comprising:a plurality of battery cells that include terminals on the upper surfaces of the battery cells;bus bars that connect the terminals of the battery cells to each other with said plurality of battery cells being arranged side by side;an electrically insulating separation wall that is arranged between said terminal and said wire harness; anda harness cover that covers said terminals and said wire harness,wherein harness cover includes a harness accommodation portion that accommodates said wire harness, and said electrically insulating separation wall,wherein the upper surfaces of the battery cells are covered by said harness cover.11. The battery pack according to claim 10 , wherein said harness accommodation portion has an opening window.12. The battery pack according to claim 10 , wherein said electrically insulating separation wall has a curved part corresponding to said terminal.13. The battery pack according to claim 10 , wherein said electrically insulating separation wall and said harness accommodation portion are integrally formed as the harness cover.14. The battery pack according to claim 11 , wherein said electrically insulating separation wall and said harness accommodation portion are integrally formed as the harness cover claim 11 ,wherein said electrically insulating separation wall is connected to an edge of said opening window,wherein said electrically insulating separation wall has an inclined part that is inclined relative to the upper surface of said battery cell.15. The battery pack ...

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17-10-2013 дата публикации

ENERGY STORAGE DEVICE

Номер: US20130273416A1
Принадлежит: GS Yuasa International Ltd.

An energy storage device includes a casing, a power generating element, a current collector, a connection conductor, an external terminal, and a rivet. The energy storage device further includes a welded portion where at least one of a contact portion between a casing inner portion of the rivet and the current collector, a contact portion between a casing outer portion of the rivet and the connection conductor, and a contact portion between the connection conductor and the external terminal is welded at least partially. 1. An energy storage device comprising:a casing;a power generating element accommodated in the casing and comprising positive and negative electrodes;a current collector conducted to at least one of the positive and negative electrodes in the power generating element;a connection conductor disposed on an outer surface of the casing;an external terminal disposed on the outer surface of the casing; anda rivet penetrating and fixed to the outer surface of the casing so as to conductively connect the external terminal and the current collector by way of the connection conductor; whereinat least one of a contact portion between a casing inner portion of the rivet and the current collector, a contact portion between a casing outer portion of the rivet and the connection conductor, and a contact portion between the connection conductor and the external terminal comprises a welded portion.2. The energy storage device according to claim 1 , wherein the welded portion is welded by aluminum.3. The energy storage device according to claim 1 , wherein the welded portion is covered with resin.4. The energy storage device according to claim 3 , wherein the resin is epoxy resin.5. The energy storage device according to claim 1 , wherein the rivet is made of aluminum or aluminum alloy.6. The energy storage device according to claim 1 , wherein the casing inner portion of the rivet and the current collector are connected with each other by aluminum solder.7. The ...

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17-10-2013 дата публикации

BATTERY

Номер: US20130273418A1
Автор: Saito Akinori
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

The battery of the present invention is provided with: a case having through holes; external terminals fixed in the through holes in the case in a state with part thereof protruding to the outside of the case; insulating members interposed between the case and the external terminals; flanged portions located at the peripheral edges of the through holes in the case protruding outward of the case; and reinforcing members that are disposed at the outer periphery of the flanged portions and reinforce the strength on the outer peripheral side of the flanged portions. The battery is such that the external terminals are secured in the through holes by making the flanged portions undergo plastic deformation by pressing and generating a sticking force between the external terminals and the through holes by the parts of the flanged portions that have undergone plastic deformation. The external terminals are provided with a first projection that is formed more to the outside of the case than the location receiving the sticking force due to the pressing of the flanged portion and protrudes to the outside in the radial direction from the outer peripheral surface of the external terminal. 1. A battery comprising:a case provided with through holes;external terminals fixed in the through holes of the case, projecting outward;insulating members interposed between the case and the external terminals;flanged portions located at the periphery of the through holes, standing out from the case; andreinforcing members located around the flanged portions to reinforce strength thereof in radial direction,wherein the flanged portions are pressed and plastically deformed so as to generate a sticking force between the external terminals and the through holes by the plastically deformed portion, whereby the external terminals are fixed to the through holes, andwherein each of the external terminals comprises a first projection formed at outer side of the portion where the sticking force acts, ...

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24-10-2013 дата публикации

BATTERY PACK

Номер: US20130280560A1
Автор: LIM Young-Bin
Принадлежит:

A battery pack including: a plurality of battery modules, each including a plurality of battery cells arranged in a direction; at least one first fuse between battery modules of the plurality of battery modules; a battery control unit connected to the at least one first fuse; and at least one sensing unit connected to the battery control unit, the battery control unit being configured to transfer a signal received from the at least one sensing unit to the at least one first fuse, and the at least one first fuse including a power cutoff unit at a region of a connection member connecting the battery modules to each other, and a case surrounding the power cutoff unit. 1. A battery pack comprising:a plurality of battery modules, each comprising a plurality of battery cells arranged in a direction;at least one first fuse between battery modules of the plurality of battery modules;a battery control unit connected to the at least one first fuse; andat least one sensing unit connected to the battery control unit,wherein the battery control unit is configured to transfer a signal received from the at least one sensing unit to the at least one first fuse, andwherein the at least one first fuse comprises a power cutoff unit at a region of a connection member connecting the battery modules to each other, and a case surrounding the power cutoff unit.2. The battery pack according to claim 1 , wherein pressure or heat is generated in the power cutoff unit by the signal transferred from the battery control unit.3. The battery pack according to claim 1 , wherein the at least one sensing unit comprises an airbag impact sensor.4. The battery pack according to claim 3 , further comprising an airbag control unit between the airbag impact sensor and the battery control unit.5. The battery pack according to claim 4 , wherein the airbag impact sensor concurrently transfers the signal to the battery control unit and the airbag control unit.6. The battery pack according to claim 4 , wherein ...

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24-10-2013 дата публикации

SECONDARY BATTERY

Номер: US20130280563A1
Автор: Guen Minhyung
Принадлежит:

A secondary battery including: a case including an accommodation space therein; an electrode assembly housed in the case, the electrode assembly including a coating portion, a first electrode including a first non-coating portion, and a second electrode including a second non-coating portion; a short circuit induction member electrically connected to at least one of the first or second non-coating portions; and a cap plate sealing the case, the short circuit induction member including a contact maintaining part extending along a longitudinal direction of the electrode assembly. 1. A secondary battery comprising:a case including an accommodation space therein;an electrode assembly housed in the case, the electrode assembly comprising a coating portion, a first electrode including a first non-coating portion, and a second electrode including a second non-coating portion;a short circuit induction member electrically connected to at least one of the first or second non-coating portions; anda cap plate sealing the case,wherein the short circuit induction member comprises a contact maintaining part extending along a longitudinal direction of the electrode assembly.2. The secondary battery as claimed in claim 1 , wherein the contact maintaining part is at a region of the short circuit induction member corresponding to the coating portion of the electrode assembly.3. The secondary battery as claimed in claim 1 , wherein the contact maintaining part comprises at least one of polyphenylene sulfide (PPS) or Teflon.4. The secondary battery as claimed in claim 1 , wherein the short circuit induction member further comprises:a coupling part coupled to the at least one of the first or second non-coating portions; anda penetration part extending from the coupling part along the longitudinal direction of the electrode assembly,wherein the contact maintaining part is arranged on at least one surface of the penetration part.5. The secondary battery as claimed in claim 4 , wherein the ...

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24-10-2013 дата публикации

ELECTRIC STORAGE DEVICE

Номер: US20130280569A1
Принадлежит:

An element body having a plurality of positive electrode layers, a plurality of negative electrode layers, and separator layers each interposed between adjacent positive and negative electrode layers. A package includes a box-like package body portion containing the element body, and a flat package edge portion connected to the package body portion. A positive electrode terminal and a negative electrode terminal are bent at terminal body portions extending outward from the package edge portion to form a positive-electrode bent portion and a negative-electrode bent portion, respectively. The bent portions are joined to the package edge portion, with joining members. 1. An electric storage device comprising: an element body having a plurality of alternating positive and negative electrode layers,', 'a plurality of insulating layers disposed, respectively, between each of the plurality of alternating positive and negative electrode layers,', 'a package containing the element body, and', 'positive and negative electrode terminals electrically connected to the positive and negative electrode layers, respectively, and each having a lead part that extends out of the package,, 'at least one device cell includingwherein the lead part of at least one of the positive and negative electrode terminals includes a bent portion at least partially disposed on the package.2. The electric storage device according to claim 1 , wherein the package comprises a package body portion containing the element body and an edge portion adjacent to the package body portion claim 1 , the edge portion being thinner than the package body portion.3. The electric storage device according to claim 2 , wherein the bent portion is folded back towards the body portion and at least partially disposed on the edge portion so that the bent portion is positioned below a height of the package body portion.4. The electric storage device according to claim 3 , wherein the bent portion is at least partially ...

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24-10-2013 дата публикации

Solid State Battery

Номер: US20130280598A1
Принадлежит:

A mounting type solid state battery which includes a battery laminate body and a case housing the battery laminate body. The battery laminate body is formed by laminating a positive electrode layer, a solid electrolyte layer and a negative electrode layer in order. The case main body has a base part which supports the battery laminate body. The positive electrode layer and the negative electrode layer are laminated in a direction in which the base part of the case main body extends. 1. A solid state battery comprising:a battery laminate body having a positive electrode layer, a solid electrolyte layer and a negative electrode layer; anda case main body housing the battery laminate body, the case main body having a base part which supports the battery laminate body,wherein battery laminate body is arranged such that a laminate direction of the positive electrode layer and the negative electrode layer extends in a direction parallel to the base part of the case main body.2. The solid state battery according to claim 1 , further comprising an electrode connecting part at the base part of the case main body claim 1 , the electrode connecting part being configured to bring an inner side surface of the case main body into conduction with an outer side surface of the case main body.3. The solid state battery according to claim 2 , wherein the electrode connecting part includes a positive electrode connecting part arranged for connection to the positive electrode layer and a negative electrode connecting part arranged for connection to the negative electrode layer.4. The solid state battery according to claim 3 , further comprising a first current collector layer between the positive electrode layer and the positive electrode connecting part and a second current collector layer between the negative electrode layer and the negative electrode connecting part.5. The solid state battery according to claim 4 , wherein the battery laminate body has a first surface opposite to the ...

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31-10-2013 дата публикации

BATTERY PACK

Номер: US20130288086A1
Принадлежит:

A battery pack includes a housing having an opened top and the housing accommodates at least one battery module and a fuse therein, a housing cover that covers the opened top of the housing and the housing cover includes an opening therein that corresponds to a region of the housing that accommodates the fuse, and an opening cover mountable to the opening of the housing cover and a state of the opening cover is changeable between an opened state and a closed state. The opening cover includes an interlock switch on an inner surface of the opening cover and a grip portion on an outer surface of the opening cover, and the grip portion is arranged along a vertical direction with respect to the interlock switch. 1. A battery pack , comprising:a housing having an opened top, the housing accommodating at least one battery module and a fuse therein;a housing cover that covers the opened top of the housing, the housing cover including an opening therein that corresponds to a region of the housing that accommodates the fuse; andan opening cover mountable to the opening of the housing cover, a state of the opening cover being changeable between an opened state and a closed state;the opening cover including an interlock switch on an inner surface of the opening cover and a grip portion on an outer surface of the opening cover, the grip portion being arranged along a vertical direction with respect to the interlock switch.2. The battery pack as claimed in claim 1 , wherein the interlock switch is configured to cut off a current flowing in the fuse according to the state of the opening cover.3. The battery pack as claimed in claim 1 , wherein the interlock switch is configured to cut off a current flowing in the fuse when the opening cover is in the opened state.4. The battery pack as claimed in claim 3 , wherein the interlock switch is configured to restore the current flowing in the fuse when the state of the opening cover changes from the opened state to the closed state.5. ...

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31-10-2013 дата публикации

RECHARGEABLE BATTERY

Номер: US20130288088A1
Автор: Byun Sangwon
Принадлежит:

A rechargeable battery including a collector plate having a fuse hole and a fuse protrusion, increasing the reliability of the fuse hole in view of its functionality as a fuse while strengthening a section where the fuse hole is formed, thereby improving safety of the rechargeable battery. A rechargeable battery includes an electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate; a case containing the electrode assembly; and a collector plate electrically connected to the first electrode plate and including a fuse portion including a fuse hole formed therein and a fuse protrusion extending from a first side of the fuse portion adjacent a first end of the fuse hole. 1. A rechargeable battery comprising:an electrode assembly comprising a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate;a case containing the electrode assembly; anda collector plate electrically connected to the first electrode plate and comprising a fuse portion including a fuse hole formed therein and a fuse protrusion extending from a first side of the fuse portion adjacent a first end of the fuse hole,wherein the collector plate comprises a connection part between the case and the electrode assembly, an extension part coupled to the first electrode plate, and a corner portion disposed between the connection part and the extension part, andwherein a width of the extension part is greater than a width of the connection part.2. The rechargeable battery of claim 1 , wherein the fuse protrusion is bent at an angle relative to a surface of the fuse portion having the fuse hole formed therein.3. The rechargeable battery of claim 1 , wherein a cross-sectional area of the fuse portion where the fuse hole is formed is smaller than that of other portions of the collector plate.4. The rechargeable battery of claim 1 , further ...

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31-10-2013 дата публикации

APPARATUS FOR MIXING ELECTROLYTE IN BATTERY

Номер: US20130288090A1
Принадлежит: GLOBAL BATTERY CO., LTD

An electrolyte mixing apparatus mixes lower-specific-gravity electrolyte with higher-specific-gravity electrolyte using inertial force generated when a vehicle starts to move and stops. The electrolyte mixing apparatus thus prevents the electrolyte in the battery from being formed in lower- and higher-specific-gravity layers according to specific gravity. 1. An apparatus for mixing electrolyte having a first electrolyte and a second electrolyte having a lower specific gravity than the first electrolyte in a battery , the apparatus comprising:a support comprising a plate protruding upward, the support being installed such that a space is defined between the support and an inner surface of a sidewall of a casing of the battery;a bottom part extending in one direction from an upper end of the support to form a bottom surface;a first side part protruding upward from a first side edge of an upper surface of the bottom part and extending along the first side edge of the bottom part; anda second side part protruding upward from a second side edge of the upper surface of the bottom part and extending to a front edge of the bottom part;wherein an end of the first side part and an end of the second side part are spaced apart from each other by a predetermined distance to define an inlet through which the electrolyte is drawn inside the bottom part; andthe support is installed to be spaced apart from the inner surface of the sidewall of the casing of the battery so that a vertical passage is defined by the support and the inner surface of the sidewall of the casing, wherein the electrolyte is moved along the vertical passage upward or downward depending on a direction of kinetic energy applied to the electrolyte.2. The apparatus as set forth in claim 1 , further comprising:a first slant part comprising a plate extending slantedly from the first side part toward an inside of the bottom part; anda second slant part comprising a plate extending slantedly from the second side part ...

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31-10-2013 дата публикации

BATTERY PARTS HAVING RETAINING AND SEALING FEATURES AND ASSOCIATED METHODS OF MANUFACTURE AND USE

Номер: US20130288109A1
Принадлежит:

Battery parts having retaining and sealing features and associated assemblies and methods are disclosed herein. In one embodiment, a battery part includes a base portion that is configured to be embedded in battery container material of a corresponding battery container. The battery part and base portion include several torque resisting features and gripping features that resist torsional or twist loads that are applied to the battery part after it has been joined to the battery container. For example, the base portion can include several internal and external torque resisting features and gripping features that are configured to resist twisting or loosening of the battery part with reference to the battery container material, as well as prevent or inhibit fluid leakage from the battery container. 1. A battery part configured to provide an external connection for a battery , the battery part comprising: a first torque resisting flange extending away from the base portion; and', 'a second torque resisting flange spaced apart from the first torque resisting flange, wherein the second torque resisting flange extends away from the base portion and includes a plurality of recesses formed therein., 'a body having a lug portion extending from a base portion, wherein the base portion is configured to be a least partially embedded in battery container material, the base portion including2. The battery part of wherein individual recesses extend in generally parallel directions with respect to each another.3. The battery part of wherein individual recesses extend at least partially through the second torque resisting flange in a direction generally perpendicular to a longitudinal axis of the body.4. The battery part of wherein the recesses form a serrated edge portion of the second torque resisting flange facing the first torque resisting flange.5. The battery part of wherein the second torque resisting flange includes a lateral wall portion facing the first torque resisting ...

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07-11-2013 дата публикации

SECONDARY BATTERY

Номер: US20130295417A1
Автор: Koh Seok, Kwag Nohyun
Принадлежит:

The present invention relates to a secondary battery. The present invention is aimed to provide a secondary battery having a thin upper case formed of a metal. The secondary battery includes a bare cell; a protection circuit module having a circuit board; an upper case formed of a metal and having a cover plate for covering the circuit board of the protection circuit module; and a case-insulating layer formed on an external surface of the cover plate of the upper case. 1. A secondary battery comprisinga bare cell;a protection circuit module having a circuit board;an upper case formed of a metal and having a cover plate for covering the circuit board of the protection circuit module; anda circuit board-insulating layer formed between a surface of the protection circuit module and cover plate of the upper case;wherein the circuit board-insulating layer is provided with a plurality of exposure holes formed thereon for exposing a terminal pad of the circuit board.2. The secondary battery according to claim 1 , wherein at least one of the plurality of exposure holes exposes only a portion of the underlying terminal pad.3. The secondary battery according to claim 1 , further comprising a case-insulating layer formed on an external surface of the cover plate of the upper case.4. The secondary battery according to claim 1 , wherein the circuit board includes two or more terminal pads claim 1 , the circuit board-insulating layer is provided with two or more exposure holes formed thereon for exposing only each terminal pad of the circuit board.5. The secondary battery according to claim 4 , wherein the cover plate of the upper case includes a lower surface opposite to the circuit board of the protection circuit module and an upper surface corresponding to a rear side of the lower surface claim 4 , and the case-insulating layer is formed on an upper surface of the cover plate of the upper case.6. The secondary battery according to claim 4 , wherein the cover plate of the upper ...

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07-11-2013 дата публикации

APPARATUS AND METHOD FOR ENHANCING THE SAFETY OF SECONDARY BATTERY

Номер: US20130295419A1
Автор: KWON Ho-Sang, LEE Jae-Chan
Принадлежит:

The present invention is to provide an apparatus and method for enhancing the safety of a secondary battery. The apparatus include a sensor part comprising a first sensor attached to the surface of a cell of the secondary battery to detect a movement of the cell, and a second sensor to detect a movement of a pack housing; a memory part for storing a critical value for a difference between a first measurement value obtained from the first sensor and a second measurement value obtained from the second sensor; and a controlling part for calculating a difference value between the first measurement value and the second measurement value and comparing the calculated difference value with the critical value stored in the memory part to stop the operation of the cell when the calculated difference value is greater than the critical value. 1. An apparatus for enhancing the safety of a secondary battery , comprising:a sensor part comprising a first sensor which is attached to the surface of a cell of the secondary battery to detect a movement of the cell, and a second sensor which is attached to the inside of a pack housing of the secondary battery to detect a movement of the pack housing;a memory part for storing a critical value for a difference between a first measurement value obtained from the first sensor and a second measurement value obtained from the second sensor; anda controlling part for calculating a difference value between the first measurement value and the second measurement value and comparing the calculated difference value with the critical value stored in the memory part to stop the operation of the cell when the calculated difference value is greater than the critical value.2. The apparatus for enhancing the safety of a secondary battery according to claim 1 , wherein the first sensor and the second sensor are a geomagnetic sensor.3. The apparatus for enhancing the safety of a secondary battery according to claim 2 , wherein the first sensor and the ...

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14-11-2013 дата публикации

ELECTRICAL COMPONENT HAVING A DEVICE FOR ISOLATING AN ELECTRICAL LINE CONNECTION

Номер: US20130302654A1
Автор: Schaefer Tim
Принадлежит: LI-TEC BATTERY GMBH

The invention relates to an electrical component having a device for isolating an electrical line connection, wherein said electrical component comprises a reactive multi-layer structure in order to effect isolation of the electrical line connection. The electrical component can be a galvanic cell, and the device for isolating can be disposed outside or inside the cell. The electrical component can also be a cell connector. A quick and reliable isolation of galvanic cells from a combination of several galvanic cells or a quick and reliable dismantling of large cells into segments can be achieved. 1. An electrical component comprising:a device configured to isolate an electrical line connection,wherein the device comprises a composite of at least two different materials, andthe at least two different materials are reactive with one another to induce isolation of the electrical line connection.2. (canceled)3. The component according to claim 1 , wherein the composite is disposed on a section of the line connection and at least two different materials and that thermal energy is released upon reaction of the at least two different materials to cause at least some of the cross section of the line connection to fuse.4. The component according to claim 3 , wherein a portion of the line connection cross section fuses claim 3 , a remaining cross section of the line connection fuses upon a normal operating current flowing through said line connection.5. The component according to claim 1 , wherein the at least two different materials react to form at least one of a metallic alloy claim 1 , a metallic glass claim 1 , a silicide claim 1 , an aluminide; a boride claim 1 , a carbide claim 1 , or a precursor to a thermite.6. The component according to claim 1 , wherein the composite is disposed in a section of the line connection and is electrically conductive claim 1 , andan electrically non-conductive reaction product is formed upon reaction of the at least two different ...

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21-11-2013 дата публикации

ELECTRIC STORAGE DEVICE

Номер: US20130309534A1
Принадлежит:

An electric storage device includes: an external terminal having an exposed face exposed outside from an outer covering; a current collector disposed inside the outer covering and connected to the external terminal; and an electrode assembly disposed inside the outer covering and connected to the current collector. The electrode assembly is formed by winding sheet-shaped positive electrode and negative electrode into a flat shape with a separator interposed therebetween and housed in the outer covering so that curved portions obtained by the winding are positioned on a lid body side and a bottom face side. A lid body has an electrolyte solution filling portion that opens to a clearance formed between the curved portion of the electrode assembly and the outer covering. 1. An electric storage device comprising: an outer covering; an external terminal having an exposed face exposed outside from the outer covering; a current collector disposed inside the outer covering and connected to the external terminal; and an electrode assembly disposed inside the outer covering and connected to the current collector;wherein the outer covering is substantially in a shape of a rectangular parallelepiped and formed by a lid body forming one face of the outer covering and an electric storage device case forming the other faces;the electrode assembly is formed by winding sheet-shaped positive electrode and negative electrode into a flat shape with a separator interposed therebetween and housed in the electric storage device case so that curved portions obtained by the winding are positioned on a lid body side and a bottom face side; andthe lid body has an electrolyte solution filling portion that opens to a clearance formed between the curved portion of the electrode assembly and the outer covering.2. The electric storage device according to claim 1 , wherein a position of the curved portion of the electrode assembly claim 1 , which protrudes the most toward the lid body claim 1 , is ...

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28-11-2013 дата публикации

METHOD AND DEVICE FOR FILLING AN ELECTROCHEMICAL CELL

Номер: US20130312869A1
Принадлежит: LI-TEC BATTERY GMBH

The invention relates to the filling of an electrochemical cell () with an electrolyte, said cell having, in its interior (), at least one electrode stack and one casing which at least partially encloses the electrode stack(s). For filling to take place, a negative pressure is generated in the interior () of the cell () (step S) and the interior () of the cell () is then connected to an electrolyte feed () (step S). In order to ensure that the cell () is filled with the electrolyte in a uniform and total manner, a first pressure and a second pressure are alternatingly applied to an outer side () of the cell () while the electrolyte feed () is connected, the second pressure being lower than the first pressure (steps S and S). 120-. (canceled)21. A method for filling an electrochemical cell with an electrolyte , wherein the electrochemical cell comprises at least one electrode stack and a casing at least partially enclosing the electrode stack(s) within its interior , the method comprising:{'b': '3', 'generating a negative pressure in the interior of the cell (step S);'}{'b': 3', '5, 'subsequent to step S, connecting the interior of the cell to an electrolyte feed (step S); and'}{'b': 6', '7, 'alternatingly applying a first pressure and a second pressure to an exterior of the cell, wherein the second pressure is lower than the first pressure (steps S and S).'}2267. The method according to claim 21 , wherein the first pressure and the second pressure is generated on the exterior of the cell in steps S and S by a working fluid which substantially completely surrounds the electrochemical cell.2367. The method according to claim 22 , wherein a difference between the first pressure and the second pressure in steps S and S is produced by means of a change in the volume and/or amount of the working fluid and/or by means of the working fluid flow.2467. The method according to claim 21 , wherein the first pressure and the second pressure is generated on the exterior of the ...

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28-11-2013 дата публикации

ENERGY STORAGE ARTICLE AND METHOD

Номер: US20130316197A1
Принадлежит: GENERAL ELECTRIC COMPANY

Systems and methods for obtaining and/or maintaining a column height of an electrolyte relative to a separator surface within an energy storage device. Embodiments of the invention provide a wicking component, a current collector, and a bias component. The current collector is positioned to force the bias component to press the wicking component tight to an inner surface of a separator. The bias component maintains contact between the wicking component and the surface of separator and creates a capillary gap in which sodium wicks. 1. An energy storage article , comprising:an electrically insulative, ionically conductive separator having an inner surface defining a volume;a wicking component having an inner surface and an outer surface, and the outer surface contacting the inner surface of separator; anda bias component having an inner surface and an outer surface, the outer surface contacting the inner surface of the wicking component, wherein the bias component urges the wicking component against the separator inner surface such that a capillary gap is maintained between the wicking component outer surface and the separator inner surface.2. The article of claim 1 , wherein the bias component maintains contact between the wicking component and the inner surface of separator to create the capillary gap that facilitates wicking of a portion of a fluid electrolyte to a top of the separator.3. The article of claim 1 , further comprising a current collector that contacts the inner surface of the bias component.4. The article of claim 3 , wherein the current collector has a diameter that is wide enough to cause a volume of the current collector to be greater than fifty percent of a volume defined by the inner surface of the separator.5. The article of claim 4 , wherein the current collector displaces sufficient volume to increase a column height of liquid electrolyte.6. The article of claim 1 , wherein the current collector has an inner surface that defines a space claim ...

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28-11-2013 дата публикации

Lithium-Ion Battery

Номер: US20130316208A1
Принадлежит: SHIN-KOBE ELECTRIC MACHINERY CO., LTD.

The present invention provides a cylindrical lithium-ion secondary battery. The lithium-ion battery of the present invention has a structure in which the value of B/A is optimized, where the distance between an electrode pole to which strip-form lead pieces are welded, the lead pieces being formed intermittently in the winding direction, which is the longitudinal direction of the belt-like electrodes, and the inner wall of the battery can is represented by A, and the distance between the electrode pole and the wound electrode group is represented by B, in order to secure an exhaust passage for the gas generated upon occurrence of an abnormality in the battery. 1. A lithium-ion battery comprising:a wound electrode group, the wound electrode group being formed by winding a positive electrode having a negative electrode active material layer formed on a surface thereof, a separator that retains an electrolyte, and a negative electrode having a positive electrode active material layer formed on a surface thereof, around an axial core;an electrode pole arranged between the wound electrode group and a battery terminal, the electrode pole being configured to contribute to an electrical connection between the wound electrode group and the battery terminal; andlead pieces formed in strip form on an active-material-non-applied portion provided on a side of each of the positive electrode and the negative electrode, the lead pieces being electrically connected to the electrode pole,wherein the wound electrode group, the electrode pole, and the lead pieces are housed in a battery can, anda value of B/A is 1.4 to 2.6, where a distance from an inner wall of the battery can to the electrode pole is A, and a distance from the wound electrode group to the electrode pole is B.2. The lithium-ion battery according to claim 1 , wherein the value of the B/A is 1.6 to 2.0.3. The lithium-ion battery according to claim 1 , further comprising a gap between the wound electrode group and the ...

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05-12-2013 дата публикации

METHOD FOR SEALING AN IMPREGNATION OPENING OF AN ENERGY STORAGE ASSEMBLY

Номер: US20130318779A1
Автор: Vigneras Erwan
Принадлежит:

The invention relates to a method for sealing an impregnation opening of an energy storage assembly including a housing, the opening () being provided in one of the walls of the housing and having an outer aperture (E) and an inner aperture (I), the method comprising: a step of inserting, into the opening through the outer aperture, at least one end portion of a head of a tool that is rotated in a direction corresponding to the axis of the opening, in order to heat an area of the housing in the vicinity of the opening, the head including at least a first cross-section at the base thereof, and a second cross-section that is smaller than the first cross-section at the end thereof; once the area is heated, a step of translating the tool in the direction of the inner aperture so as to move the material in the direction of the inner aperture and to seal the opening by means of the resolidification of the material. 1. A method for sealing an impregnation orifice of an energy storage assembly , the assembly comprising a case containing at least two electrodes , the orifice being arranged in one of the walls of the case and having an outer mouth located on the outer side of the case , and an inner mouth located on the inner side of the case , the method comprising:a step to insert in the orifice via the outer mouth at least one end part of a head of a tool driven in rotation in a direction essentially corresponding to an axial direction of the orifice so as to heat a zone of the case in the vicinity of the orifice, the head comprising at least one first cross-section at its base and a second cross-section at its end of smaller dimensions than the first cross-section;once the zone is heated, a step to translate the tool in the direction of the inner mouth to cause displacement of material of the case, initially forming the walls of the orifice, in the direction of the inner mouth and to seal the orifice by re-adhesion of said case material.2. The method according to ...

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05-12-2013 дата публикации

BATTERY MODULE AND BUS BAR APPLIED TO BATTERY MODULE

Номер: US20130323549A1
Принадлежит: LG CHEM, LTD.

Disclosed is a battery module capable of ensuring safety in use by breaking a bus bar when an overcurrent flows at the battery module. The battery module includes at least one unit cell, a case for accommodating the unit cell, and a bus bar electrically connected to the unit cell, wherein the bus bar includes a first metal plate, a second metal plate spaced apart from the first metal plate, and a metal bridge configured to connect the first metal plate and the second metal plate and having a lower melting point than the metal plate. 1. A battery module , comprising:at least one unit cell;a case for accommodating the unit cell; anda bus bar electrically connected to the unit cell, a first metal plate;', 'a second metal plate spaced apart from the first metal plate; and', 'a metal bridge configured to connect the first metal plate and the second metal plate and having a lower melting point than the metal plate., 'wherein the bus bar includes2. The battery module according to claim 1 , wherein the metal bridge is a lead-free alloy containing tin (Sn) and copper (Cu) as main components.3. The battery module according to claim 2 ,wherein the content of the tin is 80 to 98 wt %, andwherein the content of the copper is 2 to 20 wt %.4. The battery module according to claim 3 , wherein the metal bridge further includes at least one additional metal selected from the group consisting of nickel (Ni) claim 3 , zinc (Zn) and silver (Ag).5. The battery module according to claim 4 , wherein the content of the additional metal is 0.01 to 10 wt %.6. The battery module according to claim 1 , wherein the metal bridge has a melting point of 150 to 300° C.7. The battery module according to claim 1 , wherein the first metal plate and the second metal plate are located on the same plane with a regular gap.8. The battery module according to claim 7 , wherein the metal bridge is joined to the first metal plate and the second metal plate on any one surface or both surfaces of the first metal ...

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05-12-2013 дата публикации

METHOD FOR PRODUCING AN ELECTRODE/SEPARATOR STACK INCLUDING FILLING WITH AN ELECTROLYTE FOR USE IN AN ELECTROCHEMICAL ENERGY STORAGE CELL

Номер: US20130323584A1
Автор: Olpp Dieter, Schaefer Tim
Принадлежит: LI-TEC BATTERY GMBH

A method for producing an electrochemical energy storage cell, which has a stack of sheets in particular electrode and/or separator sheets and a liquid electrolyte has the following steps: producing interspaces between a large number of adjacent sheets in the stack (step S), bringing the stack into contact with the electrolyte (step S), removing the interspaces produced in step S between the large number of adjacent sheets in the stack (step S). As a result, the electrolyte can be distributed quickly and uniformly over the surfaces of the large number of sheets In a particularly preferred embodiment of the method, step S has the following substeps: fixing a large number of sheets in the stack relative to one another at at least one point (step S optional), bending the stack wherein the sheets in the stack are at least partially movable with respect to one another (step S), fixing a large number of sheets in the bent stack relative to one another, with the result that the large number of sheets are fixed in each case relative to one another at at least two points (step S), returning the bent stack to a shape which approximately corresponds to the initial shape of the stack whilst maintaining the fixings from step S and/or S (step S). 114-. (canceled)15. A method for producing an electrochemical energy storage cell , which has a stack of sheets , particularly electrode and/or separator sheets , and a liquid electrolyte , wherein the method comprises at least the following steps , which may be carried out repeatedly and/or in an order other than the order indicated:{'b': '1', 'creating interspaces between a plurality of adjacent sheets in the stack (step S),'}{'b': '2', 'bringing the stack into contact with the electrolyte (step S), and'}{'b': 1', '3, 'removing the interspaces created in step S between the plurality of adjacent sheets in the stack (step S).'}161. The method for producing an electrochemical energy storage cell according to claim , wherein the step of ...

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