Precursor Composition Patents (Class 429/189)
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Publication number: 20140220427Abstract: Provided are a composition for a gel polymer electrolyte including i) an electrolyte solution solvent, ii) an ionizable lithium salt, iii) a polymerization initiator, and iv) a monomer having a functional group bondable to metal ions, and a lithium secondary battery including the composition for a gel polymer electrolyte.Type: ApplicationFiled: April 9, 2014Publication date: August 7, 2014Applicant: LG CHEM, LTD.Inventors: Sung Hoon Yu, Doo Kyung Yang, Sun Sik Shin, Song Taek Oh, Yoo Sun Kang, Kyung Mi Lee, Jin Hyun Park, Jung Don Suk
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Patent number: 8748046Abstract: An embodiment lithium-ion battery comprising a lithium-ion electrolyte of ethylene carbonate; ethyl methyl carbonate; and at least one solvent selected from the group consisting of trifluoroethyl butyrate, ethyl trifluoroacetate, trifluoroethyl acetate, methyl pentafluoropropionate, and 2,2,2-trifluoroethyl propionate. Other embodiments are described and claimed.Type: GrantFiled: January 25, 2008Date of Patent: June 10, 2014Assignees: California Institute of Technology, University of Southern CaliforniaInventors: Marshall C. Smart, Ratnakumar V. Bugga, G. K. Surya Prakash, Kiah Smith, Pooja Bhalla
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Patent number: 8728657Abstract: An object of the present invention is to provide: a production method for commercially advantageously producing lithium difluorophosphate or an electrolyte solution containing the lithium difluorophosphate, the lithium difluorophosphate serving as an additive useful for improving performance of a nonaqueous electrolyte battery; and a nonaqueous electrolyte battery employing the electrolyte solution for the nonaqueous electrolyte battery which solution contains the lithium difluorophosphate produced by the production method. To provide an electrolyte solution for a nonaqueous electrolyte battery which solution contains lithium difluorophosphate, in such a manner as to produce lithium difluorophosphate in the electrolyte solution by reacting a halide other than a fluoride, LiPF6 and water in a nonaqueous solvent, the lithium difluorophosphate serving as an additive useful for improving performance of the nonaqueous electrolyte battery.Type: GrantFiled: February 19, 2008Date of Patent: May 20, 2014Assignee: Central Glass Company, LimitedInventors: Shoichi Tsujioka, Aiichiro Fujiwara, Toshinori Mitsui
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Patent number: 8709647Abstract: An electrochemical device includes a first electrode in electrical communication with a first current collector, a second electrode in electrical communication with a second current collector and a crosslinked solid polymer in contact with the first and second electrodes. At least one of the first and second electrodes includes a network of electrically connected particles comprising an electroactive material, and the particles of one electrode exert a repelling force on the other electrode when the first and second electrodes are combined with an uncrosslinked precursor to the solid polymer.Type: GrantFiled: November 18, 2011Date of Patent: April 29, 2014Assignee: A123 Systems LLCInventors: Antoni S. Gozdz, Richard K. Holman, Andrew L. Loxley, Ronnie Wilkins
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Publication number: 20140113187Abstract: The present invention is related to formation and processing of antiperovskite material. In various embodiments, a thin film of aluminum doped antiperovskite is deposited on a substrate, which can be an electrolyte material of a lithium-based electrochemical storage device.Type: ApplicationFiled: October 23, 2013Publication date: April 24, 2014Applicant: QuantumScape CorporationInventors: Adrian Winoto, Anna Choi, Joseph Han, Will Hudson, Tim Holme, Cheng Chieh Chao
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Publication number: 20140079988Abstract: An electrolyte for a rechargeable lithium battery includes: an alkyl acrylate additive having a C4 to C15 alkyl group; fluoroethylene carbonate; a polymerizable component and a polymerization initiator; a lithium salt; and an organic solvent.Type: ApplicationFiled: September 4, 2013Publication date: March 20, 2014Applicant: SAMSUNG SDI CO., LTD.Inventor: Su-Hee Han
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Publication number: 20140065475Abstract: A polymer electrolyte having improved reliability and safety by increasing thermal stability of a polymer of the polymer electrolyte and crosslinking density of a matrix of the polymer while improving electrode impregnation capability by inducing low viscosity in a pre-gel composition, and a lithium rechargeable battery including the same are disclosed. The polymer electrolyte is a cured product of a polymer electrolyte composition including a lithium salt, a non-aqueous organic solvent, and a pre-gel composition including a first monomer represented by Chemical Formula 1, a second monomer represented by Chemical Formula 2 and a third monomer represented by Chemical Formula 3.Type: ApplicationFiled: March 13, 2013Publication date: March 6, 2014Applicant: SAMSUNG SDI CO., LTD.Inventors: Kwangjo Cheong, Yongbeom Lee, Soomi Eo
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Publication number: 20140017557Abstract: Representative embodiments provide a composition for printing a liquid or gel separator utilized to separate and space apart first and second conductors or electrodes of an energy storage device, such as a battery or a supercapacitor. A representative composition comprises a plurality of particles, typically having a size (in any dimension) between about 0.5 to about 50 microns; a first, ionic liquid electrolyte; and a polymer or polymeric precursor. In another representative embodiment, the plurality of particles comprise diatoms, diatomaceous frustules, and/or diatomaceous fragments or remains. Another representative embodiment further comprises a second electrolyte different from the first electrolyte; the plurality of particles are comprised of silicate glass; the first and second electrolytes comprise zinc tetrafluoroborate salt in 1-ethyl-3-methylimidazolium tetrafluoroborate ionic liquid; and the polymer comprises polyvinyl alcohol (“PVA”) or polyvinylidene fluoride (“PVFD”).Type: ApplicationFiled: August 9, 2012Publication date: January 16, 2014Applicant: NthDegree Technologies Worldwide Inc.Inventors: Vera Nicholaevna Lockett, Mark David Lowenthal, Neil O. Shotton, William Johnstone Ray, Theodore I. Kamins
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Publication number: 20140017558Abstract: Representative embodiments provide a liquid or gel separator utilized to separate and space apart first and second conductors or electrodes of an energy storage device, such as a battery or a capacitor. A representative liquid or gel separator comprises a plurality of particles selected from the group consisting of: diatoms, diatomaceous frustules, diatomaceous fragments, diatomaceous remains, and mixtures thereof; a first, ionic liquid electrolyte; and a polymer or, in the printable composition, a polymer or a polymeric precursor. Another representative embodiment further comprises a second electrolyte different from the first electrolyte; the first and second electrolytes comprise zinc tetrafluoroborate salt in 1-ethyl-3-methylimidalzolium tetrafluoroborate ionic liquid; and the polymer comprises polyvinyl alcohol (“PVA”) or polyvinylidene fluoride (“PVFD”). Additional components, such as additional electrolytes and solvents, may also be included.Type: ApplicationFiled: August 9, 2012Publication date: January 16, 2014Applicant: NthDegree Technologies Worldwide Inc.Inventors: Vera Nicholaevna Lockett, Mark David Lowenthal, Neil O. Shotton, William Johnstone Ray, Theodore I. Kamins
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Publication number: 20140011100Abstract: A solid ion conductor including a garnet oxide represented by Formula 1: L5+xE3(Mez,M2-z)Od??Formula 1 wherein L includes Li and is at least one of a monovalent cation and a divalent cation; E is a trivalent cation; Me and M are each independently one of a trivalent, tetravalent, pentavalent, and hexavalent cation; 0<x?3, 0?z<2, and 0<d?12; and O is partially or totally substituted with at least one of a pentavalent anion, a hexavalent anion, and a heptavalent anion.Type: ApplicationFiled: July 3, 2013Publication date: January 9, 2014Inventors: Jae-myung LEE, Tae-young KIM, Young-sin PARK, Seung-wook BAEK
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Publication number: 20130344416Abstract: Various embodiments relate to a method comprising combining a chelating agent, one or more non-aqueous organic solvents and one or more metallic compounds to produce an oxide ceramic solid in a non-aqueous solution based reaction, wherein the oxide ceramic solid contains metal-oxygen-metal bonds. The oxide ceramic solid can comprise, for example, a gel or a powder. Various devices, including electrolyte interfaces and energy storage devices are also provided. In one embodiment, the oxide ceramic solid is a cubic garnet having a nominal formula of Li7La3Zr2O12 (LLZO).Type: ApplicationFiled: May 21, 2012Publication date: December 26, 2013Inventors: Jeffrey Sakamoto, Ezhiyl Rangasamy, Hyunjoong Kim, Yunsung Kim, Ryan Patrick Maloney
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Patent number: 8603682Abstract: Disclosed is a secondary battery including (i) a cathode; (ii) an anode; (iii) a separator; and (iv) a gel polymer electrolyte composition including an electrolyte solvent, an electrolyte salt, and a polymerizable monomer, wherein a polymerization initiator is coated or added on at least one battery device element in contact with the gel polymer electrolyte composition. Also, the secondary battery including a cathode, an anode, a separator, and a gel polymer electrolyte is manufactured by the steps of: coating or adding a polymerization initiator on/to at least one battery device element in contact with the gel polymer electrolyte; inserting the cathode, the anode, and the separator into a battery case; and forming the gel polymer electrolyte by injecting a gel polymer electrolyte composition including an electrolyte solvent, an electrolyte salt, and a polymerizable monomer into the battery case, and carrying out polymerization.Type: GrantFiled: May 14, 2008Date of Patent: December 10, 2013Assignee: LG Chem, Ltd.Inventors: Sunghoon Yu, Jeong-Ju Cho, Soojin Kim, Soo-Hyun Ha
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Patent number: 8591603Abstract: The main object of the present invention is to provide a method for producing an all solid lithium battery, capable of easily performing dew point control in a battery assembly step. The present invention solves the above-mentioned problems by providing a method for producing an all solid lithium battery, comprising the steps of: preparing a material composition by adding Li2S, P2S5, and P2O5 so as to satisfy a relation of (Li2S)/(P2S5+P2O5)<3 on a molar basis, synthesizing a sulfide solid electrolyte from the above-mentioned material composition by a vitrification means, and assembling an all solid lithium battery in an atmosphere having a dew-point temperature of ?60° C. or more while using the above-mentioned sulfide solid electrolyte.Type: GrantFiled: October 3, 2008Date of Patent: November 26, 2013Assignee: Toyota Jidosha Kabushiki KaishaInventors: Shigenori Hama, Yukiyoshi Ueno, Yasushi Tsuchida, Hirofumi Nakamoto, Masato Kamiya, Hiroshi Nagase
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Patent number: 8546016Abstract: A method for cleaning a semiconductor structure includes subjecting a semiconductor structure to an aqueous solution including at least one fluorine compound, and at least one strong acid, the aqueous solution having a pH of less than 1. In one embodiment, the aqueous solution includes water, hydrochloric acid, and hydrofluoric acid at a volumetric ratio of water to hydrochloric acid to hydrofluoric acid of 1000:32.5:1. The aqueous solution may be used to form a contact plug that has better contact resistance and improved critical dimension bias than conventional cleaning solutions.Type: GrantFiled: January 7, 2011Date of Patent: October 1, 2013Assignee: Micron Technology, Inc.Inventors: Sanjeev Sapra, Niraj Rana
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Publication number: 20130244099Abstract: A composition comprised of nanoparticles of lithium ion conducting solid oxide material, wherein the solid oxide material is comprised of lithium ions, and at least one type of metal ion selected from pentavalent metal ions and trivalent lanthanide metal ions. Solution methods useful for synthesizing these solid oxide materials, as well as precursor solutions and components thereof, are also described. The solid oxide materials are incorporated as electrolytes into lithium ion batteries.Type: ApplicationFiled: May 3, 2013Publication date: September 19, 2013Applicant: UT-Battelle, LLCInventors: Chaitanya K. Narula, Claus Daniel
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Patent number: 8512896Abstract: An organic electrolytic solution and a lithium battery employing the same are provided. The organic electrolytic solution includes a lithium salt, an organic solvent containing a first solvent having a high dielectric constant and a second solvent having a low boiling point, and a surfactant including a hydrophobic portion having an aromatic group. The organic electrolytic solution effectively prevents the electrolytic solution from contacting the anode, thereby suppressing side reactions on the anode surface and improving discharge capacity, charge/discharge efficiency, lifespan, and battery reliability.Type: GrantFiled: November 8, 2010Date of Patent: August 20, 2013Assignee: Samsung SDI Co., Ltd.Inventors: Young-gyoon Ryu, Jae-young Choi, Eun-sung Lee, Seok-soo Lee, Do-yun Kim, Sang-hoon Song
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Publication number: 20130157122Abstract: A solid polymer electrolyte composition having good conductivity and better mechanical strength is provided. The solid polymer electrolyte composition includes at least one lithium salt and a crosslinking polymer containing at least a first segment, a second segment, a third segment, and a fourth segment. The first segment includes polyalkylene oxide and/or polysiloxane backbone. The second segment includes urea and/or urethane linkages. The third segment includes silane domain. The fourth segment includes phenylene structure. Moreover, the solid polymer electrolyte composition further includes an additive for improving ionic conductivity thereof.Type: ApplicationFiled: June 13, 2012Publication date: June 20, 2013Applicants: NATIONAL CENTRAL UNIVERSITY, INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Li-Duan Tsai, Chia-Chen Fang, Hsien-Ming Kao, Diganta Saikia
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Patent number: 8449790Abstract: A composition comprised of nanoparticles of lithium ion conducting solid oxide material, wherein the solid oxide material is comprised of lithium ions, and at least one type of metal ion selected from pentavalent metal ions and trivalent lanthanide metal ions. Solution methods useful for synthesizing these solid oxide materials, as well as precursor solutions and components thereof, are also described. The solid oxide materials are incorporated as electrolytes into lithium ion batteries.Type: GrantFiled: June 28, 2010Date of Patent: May 28, 2013Assignee: UT-Battelle, LLCInventors: Chaitanya K. Narula, Claus Daniel
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Patent number: 8394529Abstract: A method for preparing a redox flow battery electrolyte is provided. In some embodiments, the method includes the processing of raw materials that include sources of chromium ions and/or iron ions. The method further comprises the removal of impurities such as metal ions from those raw materials. In some embodiments, an ammonium salt may be used to remove metal impurities from an aqueous mixture of chromium ions and/or iron ions. Further provided is a redox flow battery comprising at least one electrolyte prepared from the above-identified methods.Type: GrantFiled: May 28, 2010Date of Patent: March 12, 2013Assignee: Deeya Energy, Inc.Inventors: Majid Keshavarz, Aravamuthan Varadarajan
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Patent number: 8394299Abstract: Provided is a transition metal precursor comprising a composite transition metal compound represented by Formula I, as a transition metal precursor used in the preparation of a lithium-transition metal composite oxide: M(OH1?x)2??(1) wherein M is two or more selected from the group consisting of Ni, Co, Mn, Al, Cu, Fe, Mg, B, Cr and transition metals of period 2 in the Periodic Table of the Elements; and 0<x<0.5.Type: GrantFiled: April 2, 2009Date of Patent: March 12, 2013Assignee: LG Chem, Ltd.Inventors: Ho Suk Shin, Sung Kyun Chang, Hong-Kyu Park, Seung Tae Hong, Sinyoung Park, Youngsun Choi
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Patent number: 8383268Abstract: A lithium ion secondary battery includes a positive electrode, a negative electrode and a thin film solid electrolyte including lithium ion conductive inorganic substance. The thin film solid electrolyte has thickness of 20 ?m or below and is formed directly on an electrode material or materials for the positive electrode and/or the negative electrode. The thin film solid electrolyte has lithium ion conductivity of 10?5Scm?1 or over and contains lithium ion conductive inorganic substance powder in an amount of 40 weight % or over in a polymer medium. The average particle diameter of the inorganic substance powder is 0.5 ?m or below. According to a method for manufacturing the lithium ion secondary battery, the thin film solid electrolyte is formed by coating the lithium ion conductive inorganic substance directly on the electrode material or materials for the positive electrode and/or the negative electrode.Type: GrantFiled: June 15, 2006Date of Patent: February 26, 2013Assignee: Kabushiki Kaisha OharaInventor: Yasushi Inda
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Patent number: 8357470Abstract: An organic solid electrolyte comprises a polymer obtained by (co)polymerization of cyanoethyl acrylate and/or cyanoethyl methacrylate, the polymer being doped with an inorganic ion salt. The electrolyte has a high ionic conductivity and is based on a hydroxyl-free polymer so that it may be used to construct a secondary battery which eliminates the risk of gas evolution.Type: GrantFiled: June 12, 2007Date of Patent: January 22, 2013Assignee: Shin-Etsu Chemical Co., Ltd.Inventor: Ikuo Fukui
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Patent number: 8318361Abstract: Disclosed is a composition for a gel polymer electrolyte, the composition comprising: (i) a cyclic compound as a first crosslinking agent, the cyclic compound containing a cyclic group at the center thereof and having at least three double bonds at the end thereof; (ii) a linear or branched compound as a second crosslinking agent, the linear or branched compound containing an oxyalkylene group at the center thereof and having at least two (meth)acryl groups at the end thereof; (iii) an electrolyte solvent; (iv) an electrolyte salt; and (v) a polymerization initiator. Also, disclosed are a gel polymer electrolyte formed by polymerizing the composition for a gel polymer electrolyte, and an electrochemical device comprising the gel polymer electrolyte.Type: GrantFiled: September 7, 2007Date of Patent: November 27, 2012Assignee: LG Chem, Ltd.Inventors: Sung-Hoon Yu, Jeong-Ju Cho, Soo-Jin Kim, Soo-Hyun Ha
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Patent number: 8309257Abstract: A first fine particle-containing solution is deposited on an appropriate substrate, and dried to form a first fine particle aggregate layer. Polymer particles are deposited on the first fine particle aggregate layer, and are supplied with a second fine particle-containing solution such that the polymer particles are immersed in the second fine particle-containing solution. The second fine particle-containing solution is dried to form a second fine particle aggregate layer containing a large number of the polymer particles embedded. A first structure precursor is completed at this stage. Then, the first structure precursor is separated from the substrate, and thermally treated. Thus, the production of a first solid electrolyte structure, which has a porous solid electrolyte portion and a dense solid electrolyte portion integrated, is completed.Type: GrantFiled: March 6, 2009Date of Patent: November 13, 2012Assignees: Tokyo Metropolitan University, NGK Insulators, Ltd.Inventors: Kiyoshi Kanamura, Masanori Hara, Sayaka Okuda, Kazuhiro Yamamoto, Yosuke Sato
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Patent number: 8304117Abstract: A gel polymer electrolyte precursor and a rechargeable cell comprising the same are provided. The gel polymer electrolyte precursor comprises a bismaleimide monomer or bismaleimide oligomer, a compound having formula (I): a non-aqueous metal salt electrolyte, a non-protonic solvent, and a free radical initiator, wherein the bismaleimide oligomer is prepared by reaction of barbituric acid and bismaleimide, X comprises oxygen, organic hydrocarbon compounds, organic hydrocarbon oxide compounds, oligomers or polymers, n is 2 or 3, and A independently comprises wherein m is 0˜6, X comprises hydrogen, cyano, nitro or halogen, and R1 independently comprises hydrogen or C1˜4 alkyl.Type: GrantFiled: December 28, 2007Date of Patent: November 6, 2012Assignee: Industrial Technology Research InstituteInventors: Yueh-Wei Lin, Tsung-Hsiung Wang, Jing-Pin Pan, Chang-Rung Yang, Jung-Mu Hsu
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Patent number: 8293403Abstract: The field of the present invention relates to the field of batteries and of polymer electrolytes for batteries and more particularly to the field of lithium batteries. The invention relates to a composition which can be polymerized and/or crosslinked by polyaddition for a battery electrolyte comprising: a) at least one polyorganosiloxane (POS) (A) exhibiting, per molecule, at least two C2-C6 alkenyl groups bonded to silicon and at least one group directly bonded to a silicon atom comprising a polyoxyalkylene (Poa) ether functional group; b) at least one polyorganosiloxane (POS) (B) exhibiting, per molecule, at least two hydrogen atoms bonded to silicon; c) a catalytically effective amount of at least one hydrosilylation catalyst (C); and a) at least one electrolyte salt (D).Type: GrantFiled: March 23, 2004Date of Patent: October 23, 2012Assignee: Rhodia ChimieInventors: Lucile Gambut-Garel, Catherine George, Carroll Vergelati, Jean-Marc Pujol
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Publication number: 20120214056Abstract: An electrochemical device includes a first electrode in electrical communication with a first current collector, a second electrode in electrical communication with a second current collector and a crosslinked solid polymer in contact with the first and second electrodes. At least one of the first and second electrodes includes a network of electrically connected particles comprising an electroactive material, and the particles of one electrode exert a repelling force on the other electrode when the first and second electrodes are combined with an uncrosslinked precursor to the solid polymer.Type: ApplicationFiled: November 18, 2011Publication date: August 23, 2012Applicant: A123 Systems, Inc.Inventors: Antoni S. Gozdz, Richard K. Holman, Andrew Loxley, Ronnie Wilkins
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Publication number: 20120189910Abstract: The present invention is directed to novel block copolymers and to novel polymeric electrolyte compositions, such as solid polymer electrolytes that comprises a block copolymer including a first block having a glass transition temperature greater than about 60° C. or a melting temperature greater than about 60° C., and a second block including a polyalkoxide. The polymer electrolyte composition preferably has a shear modulus, G?, measured at 1 rad/sec and about 30° C. and a conductivity, ?, measured at about 30° C., such that i) G?—? is greater than about 200 (S/cm)(dynes/cm2); and ii) G? is from about 104 to about 1010 dynes/cm2.Type: ApplicationFiled: February 10, 2010Publication date: July 26, 2012Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Douglas A. Brune, Susan J. Babinec, Mark Newsham, H.C. Silvis, Carleton L. Gaupp, Stephanie L. Hughes, Nicole L. Wagner, Andrew G. Talik
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Publication number: 20120177987Abstract: A method for handling fluorinated organic carbonates such that degradation reactions are minimized or even completely suppressed and hence initial purity of fluorinated organic carbonates is essentially maintained during handling. Compositions comprising a fluorinated organic carbonate with improved stability against degradation reactions. The compositions comprise equal to or less than 500 ppm of a Lewis acid.Type: ApplicationFiled: September 27, 2010Publication date: July 12, 2012Applicant: SOLVAY SAInventors: Jens Olschimke, Martin Bomkamp, Andreas Grossmann
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Publication number: 20120171562Abstract: A composition comprised of nanoparticles of lithium ion conducting solid oxide material, wherein the solid oxide material is comprised of lithium ions, and at least one type of metal ion selected from pentavalent metal ions and trivalent lanthanide metal ions. Solution methods useful for synthesizing these solid oxide materials, as well as precursor solutions and components thereof, are also described. The solid oxide materials are incorporated as electrolytes into lithium ion batteries.Type: ApplicationFiled: June 28, 2010Publication date: July 5, 2012Applicant: UT-BATTELLE, LLCInventors: Chaitanya K. Narula, Claus Daniel
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Publication number: 20120129045Abstract: A polymer-based electrolyte material for use in lithium ion batteries that exhibits high bulk ion conductivity at ambient and sub-ambient temperatures. The polymer electrolyte comprises a polymer matrix and a liquid electrolyte which is an organic solvent containing a free lithium salt. The polymer matrix is cross-linked and can be formed of cross-linkable ionic monomers, particularly ionic LLC surfactant monomers.Type: ApplicationFiled: September 20, 2011Publication date: May 24, 2012Inventors: Douglas L. GIN, Robert L. Kerr, Brian J. Elliott
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Patent number: 8182949Abstract: A polymer electrolyte membrane comprising as a main ingredient a block copolymer (P) which comprises, as its constituents, a vinyl alcoholic polymer block (A) and a polymer block (B) having ion-conducting groups, which block copolymer (P) is cross-linking treated, and a membrane-electrode assembly and a fuel cell using the polymer electrolyte membrane, respectively. Preferred as polymer block (B) is one having a styrene or vinylnaphthalene skeleton or a 2-(meth)acrylamido-2-methylpropane skeleton. The ion-conducting group includes a sulfonic acid group, a phosphonic acid group or the like.Type: GrantFiled: January 11, 2008Date of Patent: May 22, 2012Assignee: Kuraray Co., Ltd.Inventors: Hiroyuki Ohgi, Tomohiro Ono, Shinji Nakai, Takeshi Nakano, Takeshi Kusudou, Naoki Fujiwara
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Publication number: 20120082902Abstract: Disclosed are open-framework solids that possess superior ion-transport properties pertinent to the electrochemical performance of next-generation electrode materials for battery devices. Disclosed compounds including compositions and architectures relevant to electrical energy storage device applications have been developed through integrated solid-state and soft (solution) chemistry studies. The solids can adopt a general formula of AxMy(XO4)z, where A=mono- or divalent electropositive cations (e.g., Li+), M—trivalent transition metal cations (e.g., Fe3+, Mn3+), and X=Si, P, As, or V. Also disclosed are oxo analogs of these materials having the general formulae AaMbOc(PO4)d (a?b), and more specifically, AnMnO3x(PO4)n?2x, where A=mono- or divalent electropositive cations (e.g., Li+), M is either Fe or Mn, and x is between 0 and n/2.Type: ApplicationFiled: February 12, 2010Publication date: April 5, 2012Inventors: Shiou-Jyh Hwu, Gregory A. Becht
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Patent number: 8110305Abstract: A rechargeable lithium battery including: a negative electrode comprising lithium-vanadium oxide having the following Formula 1 and being capable of intercalating and deintercalating lithium ions, and a carbon-based material; a positive electrode comprising a positive active material capable of intercalating and deintercalating lithium ions; and an electrolyte comprising a monomer including alkylene oxide and a reactive double bond, a lithium salt, and a non-aqueous organic solvent. LixMyVzO2+d??Chemical Formula 1 In Formula 1, 0.1?x?2.5, 0?y?0.5, 0.5?z?1.5, 0?d?0.5, and M is at least one metal selected from the group consisting of Al, Cr, Mo, Ti, W, and Zr.Type: GrantFiled: August 6, 2007Date of Patent: February 7, 2012Assignee: Samsung SDI Co., Ltd.Inventors: Su-Yeong Park, Nam-Soon Choi, Kyoung-Han Yew, Doo-Kyoung Lee, Sung-Soo Kim
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Publication number: 20120028093Abstract: This invention provides a side-chain-type polymer electrolyte exhibiting high ionic conductivity and a lithium secondary battery using the same. Such side-chain-type polymer electrolyte comprises a polymer structural unit represented by formula (1): wherein Rp represents an organic group obtained via polymerization of monomer compounds containing polymerizable unsaturated linkages or a polymerized organic group containing C, H, N, and O; m represents a value smaller than the polymerization degree of Rp; Y represents an organic group that binds to Rp; R1 represents a C1-10 alkylene group that allows Y to bind to Z; and Z represents a functional group having coordination ability with respect to a cation, provided that Z forms a coordination bond with a cation, wherein the polymer electrolyte has composition wherein a cation is added to a polymer having a side chain consisting of R1 and Z binding through Y to a polymer main chain consisting of Rp.Type: ApplicationFiled: October 12, 2011Publication date: February 2, 2012Inventors: Akira SATOU, Shin NISHIMURA
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Publication number: 20120021279Abstract: Method for the preparation of a composite electrode and accumulator or battery including at least one composite electrode, the method includes a step of pouring a medium including at least one ionic liquid, a lithium, sodium or magnesium salt with at least one inorganic molecular precursor or a polymerizable monomer, the medium being in excess, and an in situ polycondensation or polymerization step.Type: ApplicationFiled: February 12, 2010Publication date: January 26, 2012Applicants: CENTRE NATIONAL DE LA RECHERCE SCIENTIFIQUE, UNIVERSITE DE NANTES, UNIVERSITE MONTPELLIER 2-SCIENCES ET TECHNIQUESInventors: Jean Le Bideau, Jean-Baptiste Ducros, Dominique Guyomard, Patrick Soudan
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Patent number: 8088512Abstract: An electrochemical device includes a first electrode in electrical communication with a first current collector, a second electrode in electrical communication with a second current collector and a crosslinked solid polymer in contact with the first and second electrodes. At least one of the first and second electrodes includes a network of electrically connected particles comprising an electroactive material, and the particles of one electrode exert a repelling force on the other electrode when the first and second electrodes are combined with an uncrosslinked precursor to the solid polymer.Type: GrantFiled: June 16, 2008Date of Patent: January 3, 2012Assignee: A123 Systems, Inc.Inventors: Antoni S. Gozdz, Richard K. Holman, Andrew L. Loxley, Ronnie Wilkins
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Patent number: 8084160Abstract: A method of purifying lithium sulfide wherein lithium sulfide obtained by reacting lithium hydroxide with hydrogen sulfide in an aprotic organic solvent is washed with an organic solvent at a temperature of 100° C. or higher. Impurities contained in lithium sulfide can be reduced by the method of purification.Type: GrantFiled: October 15, 2004Date of Patent: December 27, 2011Assignee: Idemitsu Kosan Co., Ltd.Inventors: Yoshikatsu Seino, Minoru Senga
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Patent number: 7879499Abstract: An electrolyte for a lithium ion secondary battery includes a non-aqueous organic solvent; lithium salt; and difluoro oxalato borate and fluoro ethylene carbonate (FEC). The capacity retention property and durability of a lithium ion secondary battery including the electrolyte is excellent even when the battery is left at a high temperature.Type: GrantFiled: August 13, 2009Date of Patent: February 1, 2011Assignee: Samsung SDI Co., Ltd.Inventors: Jinsung Kim, Narae Park, Jinhyunk Lim, Suhee Han, Jinbum Kim, Jungkang Oh
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Patent number: 7875204Abstract: A flame retarding polymer electrolyte composition containing maleimides includes a modified maleimide; a lithium salt; and at least one ionic solution in a ratio of at least 2 wt % relative to the total weight of the composition. By using the hyperbranched dendrimer-like structure of the modified maleimide as grafted skeleton for polymer electrolytes, the electrolyte composition can encapsulate an electrolytic solution continuously, thus preventing the exudation of the electrolytic solution and increasing the stability of lithium ionic conduction. Since the ionic solution is nonflammable, the safety of batteries are further enhanced when the polymer electrolyte composition is used as polymer electrolyte for a lithium secondary battery.Type: GrantFiled: August 16, 2007Date of Patent: January 25, 2011Assignee: Industrial Technology Research InstituteInventors: Jing-Pin Pan, Chang-Rung Yang, Fu-Ming Wang, Jung-Mu Hsu, Yueh-Wei Lin
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Patent number: 7846587Abstract: There is provided a high molecular weight ion conductor which has a high ionic conductivity even around room temperature, is low in a viscosity, is nonflammable, is excellent in oxidation resistance, and can satisfy characteristics required for a solid electrolyte of lithium secondary batteries, a solid electrolyte of capacitors and a solid electrolyte of solar cells. The high molecular weight ion conductor comprises an ion conducting compound (I) and an electrolytic salt (II), and the ion conducting compound (I) is a non-crystalline fluorine-containing polyether compound having a fluorine-containing group in its side chain and a unit dissolving an electrolyte, or a crosslinked product thereof.Type: GrantFiled: October 6, 2005Date of Patent: December 7, 2010Assignee: Daikin Industries, Ltd.Inventors: Meiten Koh, Akiyoshi Yamauchi
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Patent number: 7846581Abstract: The field of the present invention relates to the field of batteries and of polymer electrolytes for batteries and more particularly to the field of lithium batteries. The invention relates to a composition which can be polymerized and/or crosslinked by dehydrocondensation for a battery electrolyte comprising: a) at least one organohydropolysiloxane (POS) (A) having, per molecule, at least 2 hydrogen atoms directly bonded to silicon atoms; b) at least one organohydroxypolysiloxane (POS) (B) having, per molecule, at least 2 —OH groups directly bonded to silicon atoms; c) an effective amount of a dehydrocondensation catalyst (C); and d) at least one electrolyte salt (D); with the condition that the POS (A) and/or the POS (B) comprise(s), per molecule, at least one siloxyl unit comprising at least one group directly bonded to a silicon atom comprising a polyoxyalkylene (Poa) ether functional group.Type: GrantFiled: March 23, 2004Date of Patent: December 7, 2010Assignee: Rhodia ChimieInventors: Georges Barrandon, Catherine George, Carroll Vergelati, Yves Giraud
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Publication number: 20100255369Abstract: An electrolyte for a rechargeable lithium battery that includes a non-aqueous organic solvent, a lithium salt, and an electrolyte additive. The electrolyte additive includes 2 to 6 wt % of succinonitrile, 2 to 6 wt % of alkane sultone, and 1 to 3 wt % of vinylethylene carbonate based on the total weight of the electrolyte.Type: ApplicationFiled: September 15, 2009Publication date: October 7, 2010Inventors: Duck-Chul Hwang, Sang-Min Lee, Kyoung-Han Yew, Sang-Jin Kim
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Patent number: 7759003Abstract: A polymerizable boric compound for electrochemical devices represented by the formula (1), wherein, B represents a boron atom, Z represents a polymerizable functional group, X represents a divalent C1-12 hydrocarbon group or in the absence of X, Z and B form a direct bond, AO represents a C2-4 oxyalkylene group, m and n are each the number of moles of the oxyalkylene group added and each independently stands for 2 or greater but less than 6, and R1 and R2 each represents a C1-12 hydrocarbon group.Type: GrantFiled: December 15, 2005Date of Patent: July 20, 2010Assignee: Hitachi, Ltd.Inventors: Norio Iwayasu, Shin Nishimura, Takefumi Okumura, Tetsuya Itoh, Takeshi Yabe
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Patent number: 7744772Abstract: The field of the present invention relates to the field of batteries and of polymer electrolytes for batteries and more particularly to the field of lithium batteries. The invention relates to a composition which can be polymerized and/or crosslinked photochemically or under an electron beam for a battery electrolyte comprising: (a) at least one polyorganosiloxane (POS) (A) comprising, per molecule at least 2 siloxyl units carrying radicals comprising an epoxy (Epx) functional group with optionally an ether (Eth) functional group, and at least one of the siloxyl units carries a polyoxyalkylene (Poa) ether radical; (b) at least one electrolyte salt ; and (c) an effective amount of at least one cationic photoinitiator.Type: GrantFiled: March 23, 2004Date of Patent: June 29, 2010Assignee: Rhodia ChimieInventors: Lucile Gambut-Garel, Carroll Vergelati, Jean-Yves Sanchez, Fannie Alloin
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Patent number: 7704639Abstract: A process for preparing membranes formed by (per) fluorinated ionomeric electrolytes salified with the lithium ion, comprising the following steps: a) obtaining of (per) fluorinated polymer membranes, containing —SO2F groups; b) partial or complete salification of (per)fluorinated polymer membranes containing —SO2F groups with basic lithium compounds and final washing with water; c) swelling and contemporaneous drying process of membranes by dipping in a heterogeneous biphasic system of a dipolar aprotic solvent wherein insoluble solid drying agents are dispersed.Type: GrantFiled: April 25, 2003Date of Patent: April 27, 2010Assignee: Solvay Solexis S.p.A.Inventors: Walter Navarrini, Stefania Panero, Bruno Scrosati, Aldo Sanguineti
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Patent number: 7695860Abstract: Disclosed is a nonaqueous liquid electrolyte comprising poly(siloxane-g-3 ethylene oxide) and its synthesis. This electrolyte provides significant safety, improved electrochemical stability, improved conductivity, lower impedance, and lower manufacturing costs.Type: GrantFiled: March 20, 2003Date of Patent: April 13, 2010Assignee: Quallion LLCInventors: Khalil Amine, Robert C. West, Qingzheng Wang, Bookeun Oh, Donald R. Vissers, Hisashi Tsukamoto
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Patent number: 7666310Abstract: A method is described for removing water and other protic impurities from an organic liquid electrolyte, wherein the organic liquid electrolyte is brought into contact with one or more insoluble alkali metal hydride(s) and the insoluble reaction by-products formed thereby are separated off.Type: GrantFiled: February 16, 2006Date of Patent: February 23, 2010Assignee: Chemetall GmbHInventors: Ulrich Wietelmann, Klaus Schade, Uwe Lischka
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Patent number: 7638238Abstract: An electrode assembly and a lithium ion secondary battery using the same capable of preventing a short circuit from being created in an outer peripheral portion of the electrode assembly. Uncoated areas of positive and negative electrode plates and an active material layer in the inner and outer peripheral portions of the electrode assembly are optimally aligned such that the thickness of the electrode assembly is uniformly formed widthwise along the electrode assembly.Type: GrantFiled: June 28, 2005Date of Patent: December 29, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Kwang Chun Kim, Jeong Man Park
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Patent number: RE42696Abstract: An electrode assembly and a lithium ion secondary battery using the same capable of preventing a short circuit from being created in an outer peripheral portion of the electrode assembly. Uncoated areas of positive and negative electrode plates and an active material layer in the inner and outer peripheral portions of the electrode assembly are optimally aligned such that the thickness of the electrode assembly is uniformly formed widthwise along the electrode assembly.Type: GrantFiled: November 11, 2010Date of Patent: September 13, 2011Assignee: Samsung SDI Co., Ltd.Inventors: Kwang Chun Kim, Jeong Man Park