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Patent number: 10483588Abstract: The present disclosure provides a gel electrolyte membrane and a method for forming the same, an electrode assembly, a gel polymer lithium-ion battery and an electric vehicle. The gel electrolyte membrane is located between the cathode and the anode, and has adhesion of solid electrolyte and electrical conductivity of ion of liquid electrolyte. The gel electrolyte membrane obtained in the present disclosure has a porous mesh structure, a wide film forming temperature, a short required time, a high level of liquid electrolyte in the gel polymer, a high conductivity of 3.4 to 6.3*10?3 S·cm?1, a wide electrochemical window, a good compatibility with the cathode and the anode, and low requirements for the conditions of the synthesis. The gel polymer lithium-ion battery and electrode assembly and electric vehicle of the present disclosure has high safety, simple forming technique and low requirements for environment, thus is suitable for industrial production.Type: GrantFiled: December 30, 2016Date of Patent: November 19, 2019Assignee: Interstellar Solid-State Li-ion Batteries Technology (Chengdu) Co., Ltd.Inventors: Xiaoli Peng, Yong Xiang, Chengxu Mou, Li Xia, Wanjin Pu, Jinwei He
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Publication number: 20130149567Abstract: Lithium-ion battery comprising: (a) a positive electrode comprising an amorphous chalcogenide which comprises lithium ions or which can conduct lithium ions; (b) a negative electrode; (c) a separator between the positive electrode and the negative electrode, wherein the separator comprises a non-woven material composed of fibres, preferably polymer fibres; (d) a non-aqueous electrolyte.Type: ApplicationFiled: May 17, 2011Publication date: June 13, 2013Applicant: LI-TEC BATTERY GMBHInventor: Tim Schaefer
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Patent number: 8765301Abstract: One embodiment may include a lithium ion battery, wherein one or more chelating agents may be attached to a battery component.Type: GrantFiled: September 28, 2011Date of Patent: July 1, 2014Assignee: GM Global Technology Operations LLCInventors: Ion C. Halalay, Timothy J. Fuller, Lijun Zou
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Patent number: 7931985Abstract: An electrode for a rechargeable lithium ion battery includes an electro-active material, a (polystyrenebutadiene rubber)-poly (acrylonitrile-co-acrylamide) polymer, and a conductive additive. A battery using the inventive electrode is also disclosed.Type: GrantFiled: November 8, 2010Date of Patent: April 26, 2011Assignee: International Battery, Inc.Inventors: Milburn Ebenezer Jacob Muthu, Monira Mamari, Chester Crane
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Patent number: 8399138Abstract: One embodiment includes a method for recharging a lithium ion battery, including providing a lithium ion battery comprising used liquid electrode material; removing said used liquid electrode material from said lithium ion battery; and, introducing a relatively unused liquid electrode material into the lithium ion battery to replace the used liquid electrode material.Type: GrantFiled: October 14, 2009Date of Patent: March 19, 2013Assignee: GM Global Technology Operations LLCInventor: Adam T Timmons
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Patent number: 7879265Abstract: It is an object of the present invention to provide an active material for lithium ion battery capable of producing a lithium ion battery having an excellent high rate charge and discharge performance and a lithium ion battery having an excellent high rate charge and discharge performance. The present invention provides an active material for lithium ion battery represented by a composition formula: Li[Li(1-x)/3AlxTi(5-2x)/3]O4 (??x<1) lithium titanate is substituted with Al, and a lithium ion battery using this active material as a negative electrode active material.Type: GrantFiled: March 22, 2006Date of Patent: February 1, 2011Assignee: GS Yuasa CorporationInventors: Daisuke Endo, Tokuo Inamasu, Toshiyuki Nukuda, Yoshihiro Katayama
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Publication number: 20120015250Abstract: Provided are a positive electrode material for lithium ion batteries and a process for preparing the same. The positive electrode material for lithium ion batteries comprises a composite positive electrode material consists of LiCoO2 and an auxiliary positive electrode material, the general formula of the auxiliary positive electrode material is LiCo1?x?yNixMnyO2, wherein 0<x<0.9, 0<y<0.9, 0<x+y<0.9, and the LiCoO2 is a modified LiCoO2 coated with an Al2O3 film. The overcharge performance of the batteries can be significantly increased and the use amount of the overcharge additive can be reduced by using the positive electrode material so as to its improve the cycle performance of the batteries and improve the anti-overcharge safety in the special applications and the charging conditions.Type: ApplicationFiled: December 22, 2009Publication date: January 19, 2012Applicant: SHENZHEN BAK BATTERY CO., LTD.Inventors: Xin Teng, Wei He, Ming He, Ruyu Rao, Bin Xiao, Qiming Pan
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Publication number: 20130149560Abstract: An auxiliary electrode for a lithium-ion battery includes a lithium source material. The auxiliary electrode is configured to selectively couple to a negative electrode of a lithium-ion battery to provide lithium for formation of a solid-electrolyte-inter-phase layer on a negative electrode.Type: ApplicationFiled: April 26, 2012Publication date: June 13, 2013Inventors: Joseph J. Viavattine, Gaurav Jain, Prabhakar A. Tamirisa
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Patent number: 8053115Abstract: It is an object of the present invention to provide an active material for lithium ion battery having an excellent discharge capacity in the potential flat part and a high-performance and long-life lithium ion battery, and particularly to provide a technology of improving voltage flatness. The present invention provides an active material for lithium ion battery represented by a composition formula: Li[Li(1-2x)/3MgxTi(5-x)/3]O4 (0<x<1/2) in which a part of the element of lithium titanate is substituted with Mg, and a lithium ion battery using this active material as a negative electrode active material.Type: GrantFiled: March 22, 2006Date of Patent: November 8, 2011Assignee: GS Yuasa International Ltd.Inventors: Daisuke Endo, Tokuo Inamasu, Toshiyuki Nukuda, Yoshihiro Katayama
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Publication number: 20130059204Abstract: An electrode, free of added conductive agent, for a secondary lithium-ion battery with a lithium-metal-oxygen compound as active material, and a secondary lithium-ion battery which contains the electrode.Type: ApplicationFiled: January 28, 2011Publication date: March 7, 2013Applicant: Sued-Chemie IP GmbH & Co., KGInventors: Michael Holzapfel, Nicolas Tran
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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: 20150056516Abstract: Lithium ion battery electrodes including graphenic carbon particles are disclosed. Lithium ion batteries containing such electrodes are also disclosed. The graphenic carbon particles may be used in cathodes of such batteries by depositing a graphenic carbon particle-containing coating of a conductive substrate such as a metal foil The use of graphenic carbon particles in the cathodes results in improved performance of the lithium ion batteries.Type: ApplicationFiled: October 31, 2014Publication date: February 26, 2015Inventors: Stuart D. Hellring, Randy E. Daughenbaugfh, Noel R. Vanier, Cheng-Hung Hung, John W. Burgman
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Publication number: 20140004425Abstract: Provided is a positive electrode active material for lithium ion batteries, which may be in the form of fine particles with good crystallinity and high purity by suppressing grain growth, and which is capable of improving the charge and discharge capacity and high-rate characteristics, a production method thereof, an electrode for lithium ion batteries, and a lithium ion battery. The positive electrode active material for lithium ion batteries of the invention is a positive electrode active material for lithium ion batteries which are formed from LiMPO4 (provided that, M represents one or more kinds selected from a group consisting of Mn, Co, and Ni). In an X-ray diffraction pattern, a ratio I(020)/I(200) of the X-ray intensity I(020) of a (020) plane around a diffraction angle 2? of 29° to the X-ray intensity 1(200) of a (200) plane around a diffraction angle 2? of 17° is 3.00 to 5.00, and a specific surface area is 15 m2/g to 50 m2/g.Type: ApplicationFiled: March 14, 2012Publication date: January 2, 2014Applicant: SUMITOMO OSAKA CEMENT CO., LTD.Inventors: Kouji Oono, Satoru Oshitari
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Patent number: 10297879Abstract: A lithium ion battery includes an electrolyte maintained in a separator, the separator having two sides; a negative electrode of lithium titanate (Li4Ti5O12) disposed on one side of the separator; a negative current collector associated with the negative electrode; a positive electrode disposed on an opposite side of the separator; and a positive current collector associated with the positive electrode. The lithium ion battery further includes gas traps to trap gases in the battery, wherein the gas traps include titanium diboride (TiB2) nanotubes. A method includes providing the titanium diboride nanotubes, carbon nanotubes, carbon fibers, and/or graphene as gas traps in a lithium ion battery having a negative electrode of lithium titanate.Type: GrantFiled: June 30, 2016Date of Patent: May 21, 2019Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Zhongyi Liu, Ingrid A. Rousseau
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Patent number: 7851085Abstract: Alloy compositions, lithium ion batteries, and methods of making lithium ion batteries are described. The lithium ion batteries have anodes that contain an alloy composition that includes a) silicon, b) aluminum, c) transition metal, d) tin, and e) a fifth element that contains yttrium, a lanthanide element, an actinide element, or a combination thereof. The alloy composition is a mixture of an amorphous phase that includes silicon and a nanocrystalline phase that includes an intermetallic compound of tin and the fifth element.Type: GrantFiled: March 23, 2006Date of Patent: December 14, 2010Assignee: 3M Innovative Properties CompanyInventors: Mark N. Obrovac, Leif Christensen
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Publication number: 20100081059Abstract: A lithium-ion battery comprising a first electrode made of cathodic material, a second electrode made of anodic material and an electrolyte, said lithium-ion battery containing an overcharge protection material consisting of redox molecules, characterized by the fact that said redox molecules have a reduction potential which is lower than said anodic material.Type: ApplicationFiled: September 5, 2007Publication date: April 1, 2010Inventors: Ivan Exnar, Qing Wang
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Patent number: 10930920Abstract: To provide a negative electrode for a lithium ion battery having high energy density and excellent rapid charging characteristics. A negative electrode for a lithium ion battery, the negative electrode including a negative electrode current collector, a negative electrode active material layer formed on the surface of the negative electrode current collector, and a non-aqueous liquid electrolyte including an electrolyte containing lithium ions and a non-aqueous solvent, in which the negative electrode active material layer includes a negative electrode active material and voids, the voids are filled with the non-aqueous liquid electrolyte, and a proportion of the battery capacity based on a total amount of lithium ions in the non-aqueous liquid electrolyte existing in the negative electrode active material layer with respect to the battery capacity based on a total amount of the negative electrode active material is 3% to 17%.Type: GrantFiled: November 7, 2017Date of Patent: February 23, 2021Assignee: NISSAN MOTOR CO., LTD.Inventors: Kazuya Minami, Yusuke Nakashima, Yasuhiko Ohsawa, Yuki Kusachi, Hajime Satou, Hiroshi Akama, Hideaki Horie
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Publication number: 20150140437Abstract: A method for producing a lithium electrode for a lithium-ion battery includes: a) provision of a basic body including an active material having in particular metallic lithium, a lithium alloy, and/or a lithium intercalation material; b) treatment of the basic body with a treatment composition in a wet-chemical process for the formation of a lithium-ion-conducting protective layer, with a reaction of the active material with at least one component of the treatment composition; and c) an optional treatment of the electrode at increased temperature and/or in a vacuum.Type: ApplicationFiled: April 19, 2013Publication date: May 21, 2015Inventors: Leonore Glanz, Ulrich Hasenkox
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Patent number: 7635541Abstract: A method for charging an implantable medical device includes charging a lithium-ion battery provided in a medical device, the lithium-ion battery having a negative electrode with a lithium titanate active material. For at least a portion of the charging, the potential of the negative electrode is more than approximately 70 millivolts below the equilibrium potential of the negative electrode.Type: GrantFiled: October 27, 2005Date of Patent: December 22, 2009Assignee: Medtronic, Inc.Inventors: Erik R. Scott, William G. Howard, Craig L. Schmidt
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Patent number: 11552286Abstract: The present disclosure provides a lithium-ion battery, the lithium-ion battery comprises a positive electrode plate, a negative electrode plate, a separator and an electrolyte. The positive active material comprises a material having a chemical formula of LiaNixCoyMzO2, the negative active material comprises a graphite-type carbon material, the lithium-ion battery satisfies a relationship 58%?KYa/(KYa+KYc)×100%?72%. In the present disclosure, by reasonably matching the relationship between the anti-compression capability of the positive active material and the anti-compression capability of the negative active material, it can make the positive electrode plate and the negative electrode plate both have good surface integrity, and in turn make the lithium-ion battery have excellent dynamics performance and excellent cycle performance at the same time.Type: GrantFiled: June 21, 2019Date of Patent: January 10, 2023Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Manfang Zhang, Shengwei Wang, Fuping Luo, Xinxin Du, Qiaoge Wang