Activation Of Inactive Cell Patents (Class 429/52)
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Patent number: 12095070Abstract: The present invention comprises: a pre-aging step for aging, at room temperature, a secondary battery comprising a cathode including a cathode active material, an anode including an anode active material, a separator interposed between the cathode and the anode, and an electrolyte (S100); a first charging step for primarily charging the pre-aged secondary battery to an SOC of the secondary battery of 60% or higher (S200); a high-temperature aging step for aging the primarily charged secondary battery at a high temperature (S300); and a room-temperature aging step for aging the high-temperature aged secondary battery at room temperature (S400), wherein the room-temperature aging step comprises a resetting process for charging the secondary battery to the same SOC as in the first charging step.Type: GrantFiled: September 9, 2020Date of Patent: September 17, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Jung Mi Lee, Nak Gi Sung, Joon Sung Bae
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Patent number: 11870079Abstract: Provided is a stacked electrode assembly including: a lowermost electrode arranged on a lowermost portion of the stacked electrode assembly; an uppermost electrode arranged on an uppermost portion of the stacked electrode assembly; at least one unit stacked body arranged between the lowermost electrode and the uppermost electrode and including a positive electrode, a negative electrode, and a separator, the separator being arranged between the positive electrode and the negative electrode; and a separator arranged between the lowermost electrode and the at least one unit stacked body, and between the at least one unit stacked body and the uppermost electrode. A capacity and energy density of a lithium battery may be improved by employing an electrode including a mesh electrode current collector as the lowermost electrode or the uppermost electrode of the stacked electrode assembly.Type: GrantFiled: February 23, 2018Date of Patent: January 9, 2024Assignee: SAMSUNG SDI CO., LTD.Inventors: Juhee Sohn, Junggyu Nam, Junwon Suh, Jungyup Yang, Hyeri Eom, Jeongdoo Yi, Daun Han, Juhyeong Han, Seokhun Hong, Jandee Kim, Bongkyoung Park, Hyunhwa Song, Sol Choi
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Patent number: 10741823Abstract: A method for injecting an electrolyte of a pouch type battery is provided. The method includes pressing the pouch type battery that has a gas pocket on a first side thereof to move gas generated from the battery toward the gas pocket. The gas pocket is then pierced using a needle type injector and an electrolyte is injected through the pierced portion. The electrolyte injected into the gas pocket is moved toward a second side of the battery and the gas pocket is pierced to remove the gas under a vacuum and seal the battery.Type: GrantFiled: November 6, 2017Date of Patent: August 11, 2020Assignee: LG Chem, Ltd.Inventors: Suk-Hyun Hong, Myung-Hyun Kim, Hyo-Jin Park, Joon-Sung Bae, Eui-Kyung Lee, Jin-Woo Heo
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Patent number: 10355324Abstract: A degassing method for a lithium battery cell includes the following steps: providing a lithium battery cell including a sealed bag, a degassing tube is arranged on the sealed bag and an end of the degassing tube is communicated with a space in the sealed bag, the sealed bag is filled with electrolyte solution and a remnant gas is contained therein; providing a negative pressure on an external surface of the sealed bag to inflate the sealed bag and therefore decompress the sealed bag to vaporize a part of the electrolyte solution, and the remnant gas is separated from the liquid electrolyte solution and mixed with the vaporized electrolyte solution to form a mixed gas; extracting the mixed gas via the degassing tube, therefore the vaporized electrolyte is pressurized to be liquefied in the degassing tube, and the remnant gas is discharged through the degassing tube.Type: GrantFiled: July 27, 2017Date of Patent: July 16, 2019Assignee: AMITA TECHNOLOGIES INC LTD.Inventors: Jing-Yih Cherng, Chih-Tsung Hu, Wen-Chang Chiang, Nai-Yuan Liu
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Patent number: 10297872Abstract: Systems and methods are provided, in which the level of metal ions in cells stacks and lithium ion batteries is regulated in situ, with the electrodes of the cell stack(s) in the respective pouches. Regulation of metal ions may be carried out electrochemically by metal ion sources in the pouches, electrically connected to the electrodes. The position and shape of the metal ion sources may be optimized to create uniform metal ion movements to the electrode surfaces and favorable SEI formation. The metal ion sources may be removable, or comprise a lithium source for lithiating the anodes or cathodes during operation of the battery according to SoH parameters. Regulation of metal ions may be carried out from metal ion sources in separate electrolyte reservoir(s), with circulation of the metal-ion-containing electrolyte through the cell stacks in the pouches prior or during the formation.Type: GrantFiled: September 18, 2017Date of Patent: May 21, 2019Assignee: StoreDot Ltd.Inventors: Ron Paz, Nir Kedem, Doron Burshtain, Nir Baram, Nir Pour, Daniel Aronov
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Patent number: 9847524Abstract: A non-aqueous electrolyte secondary cell has reduced degradation of the electrolytic solution or the anode active material and high cycle durability. The non-aqueous electrolyte secondary cell includes: a cathode capable of doping and de-doping lithium ions; an anode capable of occluding and releasing lithium ions, lithium or a lithium alloy; and an electrolytic solution containing an organic solvent, a lithium salt electrolyte and an additive. The cathode active material of the cathode contains a layered lithium-containing transition metal oxide of formula Li1.5[NiaCobMnc[Li]d]O3, where a, b, c, and d satisfy 0<a<1.4, 0?b<1.4, 0<c<1.4, 0<d?0.5, a+b+c+d=1.5, and 1.0?a+b+c<1.5. The anode active material contains a carbon-based material with the surface fully or partly covered with a coating derived from the additive.Type: GrantFiled: March 18, 2013Date of Patent: December 19, 2017Assignee: Nissan Motor Co., Ltd.Inventors: Shinji Yamamoto, Hideaki Tanaka, Wataru Ogihara
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Patent number: 9634316Abstract: A lithium ion secondary battery includes a positive electrode capable of occluding and discharging lithium ions, a negative electrode capable of occluding and discharging the lithium ions, and a nonaqueous electrolyte including a lithium salt, and being reversively charged/discharged. The positive electrode includes a metal plate, a metal film formed on a surface of the metal plate, and a positive electrode active material layer, the metal film includes one or more metals selected from the group consisting of ruthenium, osmium, palladium, and platinum having a orientation, the positive electrode active material layer is a compound expressed by the following expression: LiCoxNi1-xO2, (where 0?x?1) and is epitaxially grown and formed on a surface of the metal film, and the positive electrode active material is formed such that a c axis of a crystal structure of the positive electrode active material is perpendicular to the metal film.Type: GrantFiled: October 31, 2011Date of Patent: April 25, 2017Assignee: HITACHI, LTD.Inventors: Hiromi Shimazu, Tomio Iwasaki
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Patent number: 9559350Abstract: The present invention provides a method for producing a nonaqueous electrolyte secondary battery in which the drop in capacity retention rate is controlled by forming a coating in a more favorable state on the surface of the negative electrode active material.Type: GrantFiled: November 24, 2011Date of Patent: January 31, 2017Assignee: Toyota Jidosha Kabushiki KaishaInventors: Toshihiko Mitsuhashi, Yoshiyuki Ozaki, Hideki Sano, Hajime Konishi
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Patent number: 9166261Abstract: A method for reusing a secondary battery by reusing unit cells or battery modules constituting reclaimed assembled batteries (or battery packs) to reconstruct a new assembled battery is disclosed. Assembled batteries are reclaimed, and disassembled into battery modules. The battery modules are selected based on battery characteristics such as an open-circuit voltage (OCV) and the like using an absolute acceptable range and a relative acceptable range, and a new assembled battery is rebuilt. The relative acceptable range is an acceptable range which is set for each assembled battery, and is set to have its center at an average value of a battery characteristic distribution.Type: GrantFiled: March 29, 2011Date of Patent: October 20, 2015Assignee: Primearth EV Energy Co., Ltd.Inventors: Yuuichi Ibi, Kunio Kanamaru, Masahiro Iwamoto, Yasushi Matsukawa, Atsushi Ootaguro
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Publication number: 20150118525Abstract: An electronic apparatus is provided. The electronic apparatus includes: a battery; at least one pressure sensor provided on a surface of the battery; and a controller electrically connected with the at least one pressure sensor. The at least one pressure sensor samples a pressure parameter on the surface of the battery. The controller acquires the pressure parameter, detects a magnitude relation between the pressure parameter and a predefined threshold value, and generates a control instruction for protecting the battery based on the detected magnitude relation.Type: ApplicationFiled: July 10, 2014Publication date: April 30, 2015Inventors: Zhongxiang Zheng, Jianjun Zhang, Jinchao Li
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Publication number: 20150118526Abstract: In one aspect, a water-activated, ingestible battery, comprises a cathode comprising a metal oxide with a decreased amount of toxicity, relative to an amount of toxicity of other metal oxides; an anode comprising a biocompatible, water stable compound, the anode infused with benign cations; a separator between the cathode and the anode; a cathodic lead comprising a first conducting material, the cathodic lead in contact with the cathode; an anodic lead comprising a second conducting material, the anodic lead in contact with the anode; and a cell casing comprising a water-permeable biocompatible polymer, the cathodic lead, and the anodic lead, with the cell casing enclosing the cathode, the anode, and the separator.Type: ApplicationFiled: April 30, 2013Publication date: April 30, 2015Applicant: Carnegie Mellon UniversityInventors: Christopher J. Bettinger, Jay Whitacre
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Patent number: 9012067Abstract: Disclosed herein is a method of manufacturing a battery cell having an electrode assembly of a cathode/separator/anode structure disposed in a battery case made of aluminum or an aluminum alloy together with an electrolyte in a sealed state, the method including (a) anodizing an entire surface of the battery case in a state in which a connection opening section, to which charge pins used to activate the battery cell are connected, is formed at a bottom of the battery case, (b) mounting the electrode assembly in the battery case and connecting a cap plate to an open upper end of the battery case by laser welding, (c) injecting an electrolyte through an electrolyte injection port of the cap plate and activating the battery cell, and (d) replenishing the electrolyte and sealing the electrolyte injection port.Type: GrantFiled: June 5, 2014Date of Patent: April 21, 2015Assignee: LG Chem, Ltd.Inventors: Hee Gyu Kim, Sooryoung Kim, Jung Hwan Kim, Geon Tae Park
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Patent number: 8996211Abstract: A method for controlling regenerative braking of an automobile micro-hybrid system is disclosed. The system includes at least a rotary electrical machine and an electrochemical battery. The method includes a step, when the electrochemical battery has a first predetermined energy state, which corresponds to an initial optimum charging state, of commanding a reduction of the first energy state, to a second energy state corresponding to an intermediate charging state, so as to make a charging capacity available in the electrochemical battery during a subsequent opportunity for recovery of electrical energy during, for example, a braking phase of the vehicle.Type: GrantFiled: October 5, 2009Date of Patent: March 31, 2015Assignee: Valeo Equipements Electriques MoteurInventors: Ertugrul Taspinar, Daniel Benchetrite, Paul-Eric Chupin, Oussama Rouis, Cyrille Corniglion, Jean-François Duguey, Ryadh Ben Omrane, Hajar Hercouet, Benoit Soucaze-Guillous
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Patent number: 8988047Abstract: A method of pulse charging a secondary electrochemical storage cell is provided. The secondary cell includes a negative electrode comprising an alkaline metal; a positive electrode comprising at least one transition metal halide; a molten salt electrolyte comprising alkaline metal haloaluminate; and a solid electrolyte partitioning the positive electrode from the negative electrode, such that a first surface of the solid electrolyte is in contact with the positive electrode, and a second surface of the solid electrolyte is in contact with the negative electrode. The method of charging includes polarizing the cell by applying a polarizing voltage greater than about 0.1 V above the cell's rest potential for a first predetermined period of time; depolarizing the cell for a second predetermined period of time; and repeating the polarizing and depolarizing steps until a charging end-point is reached.Type: GrantFiled: August 30, 2012Date of Patent: March 24, 2015Assignee: General Electric CompanyInventors: Brandon Alan Bartling, Michael Alan Vallance, Richard Louis Hart, David Charles Bogdan, Jr.
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Publication number: 20150044524Abstract: A solar power generation method involves generating power by irradiating ionized hydrogen water, in which ortho hydrogen molecules or hydrogenated hydrogen with ion binding properties has been dissolved, with light that includes at least waves with a wavelength of 193 nm, and then generating a potential difference between the ionized hydrogen water and water containing cations.Type: ApplicationFiled: March 28, 2013Publication date: February 12, 2015Inventor: Taneaki Oikawa
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Publication number: 20150017488Abstract: A reserve batter is provided. The reserve battery includes a housing; a battery inside the housing, the battery including an anode, a cathode and a solid electrolyte between the anode and the cathode; and a movable piece for sliding within the housing to compress the battery such that sufficient heat is generated within the battery to activate the solid electrolyte. Methods of activating a reserve battery are also provided.Type: ApplicationFiled: July 1, 2014Publication date: January 15, 2015Inventor: Christopher K. Dyer
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Publication number: 20150010783Abstract: The disclosure provides a method, module and terminal for automatically activating a battery. The module for activating the battery comprises a detection unit, an activation unit and a control unit. The method for activating the battery comprises the following steps: a value of at least one first working parameter and a value of at least one second working parameter of the battery are periodically collected, recorded and uploaded; a key section of the at least one first working parameter is determined and a variation value of the second working parameter corresponding to the key section of the first working parameter is computed; and the variation value of the second working parameter is compared with a preset value, the using state of the battery is determined according to a comparison result, and the battery is activated according to the using state.Type: ApplicationFiled: June 12, 2012Publication date: January 8, 2015Applicant: ZTE CorporationInventors: Zhibin He, Zhongzhi Liu
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Publication number: 20150010792Abstract: The present invention provides rechargeable electrochemical cells comprising a molten anode, a cathode, and a non-aqueous electrolyte salt, wherein the electrolyte salt is situated between the molten anode and the cathode during the operation of the electrochemical cell, and the molten anode comprises an aluminum material; also provided are batteries comprising a plurality of such rechargeable electrochemical cells and processes for manufacturing such rechargeable electrochemical cells.Type: ApplicationFiled: July 7, 2014Publication date: January 8, 2015Inventors: Steven Amendola, Stefanie Sharp-Goldman
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Patent number: 8919607Abstract: An analyte test strip vial having a restrictor to dispense analyte test strips in a controlled manner. In general, the restrictor includes one or more openings (e.g., central and/or arc-shaped openings) that are appropriately sized to facilitate the dispensing of a manageable number of analyte test strips from the vial container. The restrictor may also include one or more surface features (e.g., tabs, cavities, and/or tapered surfaces) to facilitate in the removal of analyte test strips, and the matting and/or removal of the restrictor from the vial container.Type: GrantFiled: August 20, 2010Date of Patent: December 30, 2014Assignee: Abbott Diabetes Care Inc.Inventors: Frank David Fujimoto, Craig W. Sharp, Philip Justus Wunderle, III
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Publication number: 20140272486Abstract: A molten salt battery device includes: a plurality of molten salt battery units; and an auxiliary battery (an electric power source) capable of operating at room temperature. Each molten salt battery unit includes a heater. At the time of startup, the auxiliary battery supplies electric power to the heater of one molten salt battery unit so that the one molten salt battery unit is heated by the heater and thereby allowed to operate. The one molten salt battery unit allowed to operate supplies electric power to the heaters of the other molten salt battery units so that the other molten salt battery units are heated by the heaters and thereby allowed to operate. The molten salt battery is easily heated without the necessity of a large amount of energy and hence the molten salt battery device starts up in a short time.Type: ApplicationFiled: October 24, 2012Publication date: September 18, 2014Inventors: Eiichi Kobayashi, Hironobu Saka
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Patent number: 8835027Abstract: This invention provides lithium-rich compounds as precursors for positive electrodes for lithium cells and batteries. The precursors comprise a Li2O-containing compound as one component, and a second charged or partially-charged component, selected preferably from a metal oxide, a lithium-metal-oxide, a metal phosphate or metal sulfate compound. Li2O is extracted from the above-mentioned electrode precursors to activate the electrode either by electrochemical methods or by chemical methods. The invention also extends to methods for synthesizing and activating the precursor electrodes and to cells and batteries containing such electrodes.Type: GrantFiled: September 19, 2008Date of Patent: September 16, 2014Assignee: UChicago Argonne, LLCInventors: Michael M. Thackeray, Sun-Ho Kang, Christopher S. Johnson
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Patent number: 8807446Abstract: The present invention provides a heating device with cathode oxygen depletion (COD) function for a fuel cell vehicle, in which an existing COD and a heating device for improving cold startability of the fuel cell vehicle are integrated. For this purpose, the present invention provides a heating device with COD function for a fuel cell vehicle, the heating device including: a housing having an inlet and an outlet formed on both ends thereof; a start-up heater and a shut-down heater provided in parallel on one side of the housing in a direction perpendicular to a coolant flow direction; and a plurality of heaters for heating coolant provided in parallel on the other side of the housing in a direction perpendicular to the coolant flow direction, wherein cross sections in the coolant flow direction of each of the respective heaters change periodically along the longitudinal direction of the heater so as to cause a flow disturbance.Type: GrantFiled: May 30, 2008Date of Patent: August 19, 2014Assignee: Hyundai Motor CompanyInventor: Su Dong Han
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Patent number: 8801810Abstract: Provided are methods of preparing a lithium ion cell including forming the cell by charging the lithium ion cell to at least about 5% or, more specifically, to at least about 20% of the theoretical capacity of the negative electrode electrochemically active material, holding the lithium ion cell in a charged state for at least about 0.5 hours, and discharging the lithium ion cell. Holding the lithium ion cell in a partially charged state is believed to significantly improve its Coulombic efficiency during subsequent cycling.Type: GrantFiled: November 11, 2010Date of Patent: August 12, 2014Assignee: Amprius, Inc.Inventors: Yi Cui, Eugene M. Berdichevsky, Graeme R. Hoste, Rainer J. Fasching, Song Han, Mark C. Platshon
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Publication number: 20140210422Abstract: The present invention provides a molten sodium secondary cell. In some cases, the secondary cell includes a sodium metal negative electrode, a positive electrode compartment that includes a positive electrode disposed in a molten positive electrolyte comprising Na-FSA (sodium-bis(fluorosulonyl)amide), and a sodium ion conductive electrolyte membrane that separates the negative electrode from the positive electrolyte. One disclosed example of electrolyte membrane material includes, without limitation, a NaSICON-type membrane. Non-limiting examples of the positive electrode include Ni, Zn, Cu, or Fe. The cell is functional at an operating temperature between about 100° C. and about 150° C., and preferably between about 110° C. and about 130° C.Type: ApplicationFiled: March 12, 2014Publication date: July 31, 2014Applicant: Ceramatec, Inc.Inventors: Sai Bhavaraju, Mathew Robins
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Publication number: 20140212707Abstract: The present invention provides a molten sodium secondary cell. In some cases, the secondary cell includes a sodium metal negative electrode, a positive electrode compartment that includes a positive electrode disposed in a molten positive electrolyte comprising Na—FSA (sodium-bis(fluorosulonyl)amide), and a sodium ion conductive electrolyte membrane that separates the negative electrode from the positive electrolyte. One disclosed example of electrolyte membrane material includes, without limitation, a NaSICON-type membrane. The positive electrode includes a sodium intercalation electrode. Non-limiting examples of the sodium intercalation electrode include NaxMnO2, NaxCrO2, NaxNiO, and NaxFey(PO4)z. The cell is functional at an operating temperature between about 100° C. and about 150° C., and preferably between about 110° C. and about 130° C.Type: ApplicationFiled: March 11, 2014Publication date: July 31, 2014Applicant: Ceramatec, Inc.Inventors: Sai Bhavaraju, Mathew Robins
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Publication number: 20140079963Abstract: The entire voltage of batteries is transmitted to a higher-ranking controller as information. The higher-ranking controller gives a discharge instruction or the like to a lower-ranking controller having a voltage higher than those of the other controllers. Thus, voltage variation of the respective batteries is balanced.Type: ApplicationFiled: August 22, 2013Publication date: March 20, 2014Applicant: Hitachi, Ltd.Inventors: Takashi TAKEUCHI, Masahiro MIURA, Takahide TERADA
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Publication number: 20140000904Abstract: A power supply apparatus has at least one modular reserve battery magazine with a plurality of compartments. A plurality of reserve battery modules may be respectively replaceably provided in corresponding ones of the plurality of compartments, each of the plurality of reserve battery modules being configured to provide power when a reserve battery provided therein is activated. Each reserve battery module of the plurality of reserve battery modules includes a sleeve and a reserve battery provided within the sleeve, the sleeve being configured to fit within one of the plurality of compartments in a predetermined orientation. Each sleeve may be detachably connectable within any compartment of the plurality of compartments and includes electrical connections so that each reserve battery module of the plurality of reserve battery modules is separately replaceable while the power supply apparatus remains remotely located.Type: ApplicationFiled: February 6, 2013Publication date: January 2, 2014Applicants: CAMERON INTERNATIONAL CORPORATION, EAGLEPICHER TECHNOLOGIES, LLCInventors: John BENNETT, Greg MILLER, Mike PARROT, Jim FERRARO, Greg KIRK, Dharmesh BHAKTA, Donald S. COONROD, Tyler SMITH, Graham SCHLANGER, Amber TUCKER, Adam CASTILLO, Jennifer GAINES, Kevin HAVIS, Michael RIEMER, Michael PAPPAS, Thomas VEST, Michael BOYD, Kelvin SINGLETON, Derek REDD
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Publication number: 20130344356Abstract: A thermal battery including: a casing; a thermal battery cell disposed in the casing and operatively connected to electrical connections exposed from the casing; a first portion of a material capable of having an exothermic reaction positioned between the casing and the thermal battery cell; a second portion of a material capable of having an exothermic reaction positioned between the casing and the thermal battery cell; a first initiator for initiating the thermal battery cell; at least one second initiator for initiating the first portion; and a fuze in communication with the first and second portions for initiating the second portion resulting from the initiation of the first portion.Type: ApplicationFiled: August 27, 2013Publication date: December 26, 2013Applicant: OMNITEK PARTNERS LLCInventor: Jahangir S. Rastegar
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Patent number: 8597823Abstract: A battery includes: a first member having an opening a housing space which houses a generation element; and a second member which closes the opening of the first member. The first member and the second member have welded portions which are welded to each other. A groove which can receive a part of molten metal MM generated upon welding is formed in a channel between the first and the second member, i.e., from the welded portion to the housing space. This prevents flow of the molten metal generation upon welding to the housing space. A vehicle using the battery and a method for manufacturing such a battery are also provided.Type: GrantFiled: December 18, 2007Date of Patent: December 3, 2013Assignee: Toyota Jidosha Kabushiki KaishaInventors: Yoshiaki Ebine, Tetsushi Watari
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Publication number: 20130302652Abstract: The disclosure describes a method for operating a battery system having at least a first battery module and a second battery module. The method includes activating the first battery module for a defined clock time, then activating the second battery module for the defined clock time, and at the same time deactivating the first battery module.Type: ApplicationFiled: May 8, 2013Publication date: November 14, 2013Applicants: Samsung SDI Co., Ltd., Robert Bosch GmbHInventors: Hans-Joerg Wolff, Hans Partes, Anne Heubner
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Patent number: 8568911Abstract: The liquid electrolyte storage battery includes a battery case consisting of a top wall, a bottom wall and a side wall delineating a cavity. The top wall includes an electrolyte injection hole. The battery case also includes a lateral hole formed in a bottom area of the side wall and defining a tank area for a liquid electrolyte solution. The tank area is delineated by the bottom wall, the side wall and a plane parallel to the bottom wall and passing via the lower edge of the lateral hole.Type: GrantFiled: September 17, 2009Date of Patent: October 29, 2013Assignees: Commissariat a l'Energie Atomique et aux Energies Alternatives, Centre Nationale de Recherche ScientifiqueInventors: Nelly Giroud, Pierre Jost, Helene Rouault
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Publication number: 20130252036Abstract: The invention relate to methods of preparing lithium ion cells including cells using Li4Ti5O12 as negative electrode material and layered transition metal oxides as positive electrode material or composite positive electrode wherein one of the components is layered transition metal oxide in which the amount of moisture in the cell is reduced such that the characteristics of the cell such as cycle life and cell impedence are improved.Type: ApplicationFiled: March 20, 2013Publication date: September 26, 2013Applicant: Altairnano, Inc.Inventors: Veselin Manev, John Shelbourne, Paul Royer, Mike Coleman
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Patent number: 8535818Abstract: One embodiment includes a method including use of a manifold connected to one or more pouches for rejuvenating failed or degraded pouch-type lithium-ions batteries.Type: GrantFiled: October 30, 2009Date of Patent: September 17, 2013Assignee: GM Global Technology Operations LLCInventor: Stephen J. Harris
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Publication number: 20130224535Abstract: The non-aqueous electrolyte solution of the present invention is a non-aqueous electrolyte solution comprising acetonitrile and a lithium salt, wherein the anion of the lithium salt has a LUMO (lowest unoccupied molecular orbital) energy in the range of ?2.00 to 4.35 eV, and a HOMO (highest occupied molecular orbital) energy in the range of ?5.35 to ?2.90 eV.Type: ApplicationFiled: October 28, 2011Publication date: August 29, 2013Applicant: ASAHI KASEI E-MATERIALS CORPORATIONInventors: Naoki Matsuoka, Takehiro Koga, Hitoshi Shobukawa, Akira Yoshino
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Patent number: 8501338Abstract: A system and method for improving electrochemical power sources through the dispensing encapsulation and dispersion into galvanic chambers of an electrochemical cell. Features of the method include the optimization of the concentration levels of chemicals involved in desired energy producing reactions.Type: GrantFiled: April 20, 2011Date of Patent: August 6, 2013Assignee: University of South FloridaInventors: Andres M. Cardenas-Valencia, Norma A. Alcantar, Xiaoling Ding, Ryan G. Toomey, Lawrence C. Langebrake
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Publication number: 20130052493Abstract: A heat dissipation device according to the invention has a first measuring device. This is provided for detecting a physical parameter. The heat dissipation device according to the invention has a heat-conducting device. Said heat-conducting device is provided for absorbing thermal energy from an adjacent electrochemical energy storage device. For this purpose, the heat-conducting device has a heat source contact region. The heat source contact region is provided for making thermally conductive contact with an adjacent electrochemical energy storage device. Furthermore, the heat-conducting device has a heat emission region, which adjoins the heat source contact region. The heat emission region is provided for emitting thermal energy to a process fluid.Type: ApplicationFiled: March 28, 2011Publication date: February 28, 2013Applicant: LI-TEC BATTERY GMBHInventors: Tim Schaefer, Claus-Rupert Hohenthanner
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Publication number: 20120301754Abstract: A thermal battery including: a casing; a thermal battery cell disposed in the casing and operatively connected to electrical connections exposed from the casing; at least one portion of a material having an exothermic reaction positioned between the casing and the thermal battery cell; a first initiator for initiating the thermal battery cell; at least one second initiator for initiating the at least one portion; and a temperature sensor for monitoring a temperature of the thermal battery cell corresponding to the at least one portion; wherein the second initiator initiates the at least one portion when the temperature of the thermal battery cell corresponding to the at least one portion falls below a predetermined level.Type: ApplicationFiled: November 29, 2011Publication date: November 29, 2012Applicant: Omnitek Partners LLCInventor: Jahangir S. Rastegar
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Publication number: 20120293002Abstract: A method for supplying power from batteries includes: detecting a power supply state of a cycling battery in a system, where the system firstly uses the cycling battery to supply power to a load; and when a voltage of the cycling battery drops to a voltage threshold, activating a standby battery to supply power to the load.Type: ApplicationFiled: August 6, 2012Publication date: November 22, 2012Applicant: Huawei Technologies Co., Ltd.Inventors: Jianshe Ye, Bin Le, Yuanbo Mo, Junke Peng
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Publication number: 20120259391Abstract: An apparatus includes a cathode chamber configured to store a gel cathode and an anode chamber configured to store a gel anode. A cathode dispensing channel is in fluid communication with the cathode chamber and allows at least a portion of the gel cathode to be dispensed. An anode dispensing channel is in fluid communication with the anode chamber and allows at least a portion of the gel anode to be dispensed. A portion of the gel cathode and a portion of the gel anode come into contact upon being dispensed to form an active battery that can be used to generate an electrical current.Type: ApplicationFiled: April 8, 2011Publication date: October 11, 2012Applicant: EMPIRE TECHNOLOGY DEVELOPMENT LLCInventor: Glenn Godden
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Patent number: 8268466Abstract: A lithium/fluorinated carbon electrochemical cell having the CFx material supported on a titanium current collector screen sputter coated with a noble metal is described. The gold, iridium, palladium, platinum, rhodium and ruthenium-coated titanium current collector provides the cell with higher rate capability, even after exposure to high temperatures, in comparison to cells of a similar chemistry having the CFx contacted to a titanium current collector painted with a carbon coating.Type: GrantFiled: February 27, 2006Date of Patent: September 18, 2012Assignee: Greatbatch Ltd.Inventors: Esther Takeuchi, Bruce Platt, Sally Ann Smesko, Eric Ziarniak, Mark Roy
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Patent number: 8263241Abstract: A method for producing a secondary cell according to the present invention includes step (A) of putting a solution having an electrochemically reversibly oxidizable/reducible organic compound and a supporting electrolyte dissolved therein into contact with a positive electrode active material, thereby oxidizing or reducing the positive electrode active material; and step (B) of accommodating the oxidized positive electrode active material and a negative electrode active material in a case in the state of facing each other with a separator being placed therebetween, and filling the case with an electrolyte solution. By oxidizing or reducing the positive electrode active material, lithium ions or anions as the support electrode are incorporated into the positive electrode active material.Type: GrantFiled: April 5, 2007Date of Patent: September 11, 2012Assignee: Panasonic CorporationInventors: Yu Ohtsuka, Nobuhiko Hojo
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Patent number: 8257865Abstract: The positive electrode active material in accordance with the present invention is used for a positive electrode for a lithium-ion secondary battery, includes Li, Mn, Ni, Co, and O atoms, and has a substantially halite type crystal structure. Specifically, it is preferably expressed by LiaMnbNicCodOe, where a is 0.85 to 1.1, b is 0.2 to 0.6, c is 0.2 to 0.6, d is 0.1 to 0.5, and e is 1 to 2 (the sum of b, c, and d being 1). Because of such composition and crystal structure, the positive electrode active material of the present invention reduces the amount of elution of the battery into the liquid electrolyte and enhances the stability at a high temperature.Type: GrantFiled: August 7, 2008Date of Patent: September 4, 2012Assignee: TDK CorporationInventors: Tadashi Suzuki, Kazuya Ogawa, Tsuyoshi Iijima, Satoshi Maruyama
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Patent number: 8257846Abstract: A temperature increasing method for a sodium-sulfur battery includes three or more temperature gradients, and inflection points of 90±5° C. and 150±5° C. at which the temperature gradient changes, and the temperature gradient in a section from 90±5° C. to 150±5° C. is 5° C./h or less, whereby it is possible to increase a temperature of the sodium-sulfur battery quickly without affecting the quality of the sodium-sulfur battery.Type: GrantFiled: July 7, 2011Date of Patent: September 4, 2012Assignee: NGK Insulators, Ltd.Inventor: Naoki Hirai
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Patent number: 8242739Abstract: A charging system and method that accommodates and reduces potential residual or leakage current when electrical grounds of a charger and an energy storage system are equalized at the moment of initiating charging. The charging system using an alternating current (AC) line voltage for conductive charging of an energy storage system (ESS) coupled to a polyphase motor drive circuit communicated to a polyphase motor, and converting the line voltage to a charging voltage communicated to the energy storage system using a set of the plurality of driver stages.Type: GrantFiled: July 20, 2010Date of Patent: August 14, 2012Assignee: Tesla Motors, Inc.Inventors: Jean-Pierre Krauer, Nick Kalayjian
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Publication number: 20120148882Abstract: A battery including: a metal tube having opposed first and second ends, and an inner peripheral surface defining a chamber in which a liquid-activatable powder mixture is disposed therein; a permeable separator sheet for electrically isolating the powder mixture from the metal tube; a conductive rod having a first end located adjacent the first end of the metal tube and extending to a second end in contact with the powder mixture; and a passage extending between the first and second opposed ends of the metal tube to allow flow of liquid therethrough, wherein said liquid is able to be delivered from the passage into contact with the powder mixture via the permeable separator sheet substantially along the length of the metal tube so as to activate the powder mixture, whereby the activated powder mixture is adapted to generate a potential difference between the conductive rod and the metal tube.Type: ApplicationFiled: January 9, 2012Publication date: June 14, 2012Applicant: Eco Group Asia LimitedInventor: Niels Bakker
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Patent number: 8192868Abstract: A lithium ion battery before pre-doping includes: a negative electrode member before initial charge having a negative active material before initial charge; a positive electrode member; an electrolyte body; a battery case; and a lithium ion supply body formed by a lithium compound capable of emitting lithium ions when positive voltage is applied to it. The lithium ion supply body is arranged so that it is at least partially in contact with the inner exposed surface of the battery case. The negative electrode member before pre-doping is electrically insulated from the metal case member. The lithium ion supply body and the negative active material before initial charge are respectively in contact with the electrolyte body.Type: GrantFiled: February 1, 2008Date of Patent: June 5, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hideyasu Kawai, Keiichi Kohama, Akira Tsujiko
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Publication number: 20120135280Abstract: A thermal battery including: a casing; a thermal battery cell disposed in the casing and operatively connected to electrical connections exposed from the casing; a fuel and oxidizer mixture disposed at least partially between the casing and the battery cell; and one or more initiators for initiating one or more of the thermal battery cell and the fuel and oxidizer mixture; wherein the fuel and oxidizer mixture produces an exothermic reaction upon initiation and forms a reaction product being a thermal insulator.Type: ApplicationFiled: November 29, 2010Publication date: May 31, 2012Applicants: VESTA SCIENCES INC., OMNITEK PARTNERS LLCInventors: Jahangir S. Rastegar, Shanthi Subramanian
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Publication number: 20120135276Abstract: A method for producing electrical energy in a munition includes; initiating a thermal battery contained within the munition to generate electrical energy; dumping the electrical energy generated by the thermal battery into an electrical energy storage device before the thermal battery becomes inactive; and using the stored electrical energy in the electrical energy storage device over a period of time. The initiation device can be an inertial igniter, the electrical energy storage device can be a capacitor and the thermal battery, initiation device and electrical energy storage device can be configured such that the initiation device and electrical energy storage device sandwich the thermal battery.Type: ApplicationFiled: May 26, 2011Publication date: May 31, 2012Applicant: OMNITEK PARTNERS LLCInventor: Jahangir S. Rastegar
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Publication number: 20120082874Abstract: An on demand power device which allows users to selectively choose the desired voltage/current/power and/or amp-hour (A/H) capacity output from among a range of output available within the power device. This device relates to batteries used as long-term stand-by or back-up power sources such as for emergency use with a motor vehicle, during camping, vehicle starting/towing, and for power consumer electronics such as mobile phones or a global positioning systems. This device also relates to batteries for usages on water, underwater, on land, under land, in the air or in space which require power at discrete intervals.Type: ApplicationFiled: October 5, 2010Publication date: April 5, 2012Inventors: Douglas K. Hungerford, Robert Andrew McNeill, Bruce Chesson
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Patent number: 8084151Abstract: When an output voltage of a fuel cell is lowered to carry out a catalyst activation process so as to activate a catalyst during an intermittent operation of the fuel cell, if generated power P1 exceeds allowed battery charge power, while generated power P2 does not exceed the allowed battery charge power, then low speed corresponding to the generated power P2 is selected and the output voltage of the fuel cell is decreased toward a target voltage on the basis of the low speed, which has been selected, thereby restraining sudden generation of surplus power caused by a reduction in the output voltage of the fuel cell. By the control described above, a voltage reduction speed of a fuel cell is determined according to a receiving capability of an object which receives surplus power generated by the fuel cell during the catalyst activation process of the fuel cell.Type: GrantFiled: March 7, 2008Date of Patent: December 27, 2011Assignee: Toyota Jidosha Kabushiki KaishaInventors: Kenji Umayahara, Michio Yoshida