Acyclic Carbonate Solvent Patents (Class 429/342)
  • Patent number: 8420265
    Abstract: Disclosed is an electrolyte for a rechargeable lithium battery that includes a lithium salt, a phosphine compound having at least one trialkylsilyl group and organic solvent, and a rechargeable lithium battery including the electrolyte. The phosphine compound may be tris(trialkylsilyl)phosphine wherein the alkyl groups are the same or different and are each independently selected from C1 to C6 alkyl.
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: April 16, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Mi-Hyeun Oh, Jin-Sung Kim, Na-Rae Park, Su-Hee Han, Jin-Hyunk Lim
  • Publication number: 20130089794
    Abstract: A rechargeable lithium battery includes a positive electrode, a negative electrode, a separator between the positive electrode and the negative electrode, a polymer layer on the separator, the polymer layer including a polyvinylidene fluoride based polymer, and an electrolyte solution including an alkyl propionate.
    Type: Application
    Filed: June 28, 2012
    Publication date: April 11, 2013
    Inventor: Cheon-Soo Kim
  • Patent number: 8415056
    Abstract: There is provided a non-aqueous electrolytic solution assuring good solubility of an electrolyte salt and having enough cell characteristics (charge and discharge cycle characteristic, discharge capacity, and the like), and the non-aqueous electrolytic solution comprises a solvent for dissolving an electrolyte salt comprising (A) at least one fluorine-containing solvent selected from the group consisting of fluorine-containing ethers and fluorine-containing carbonates, (B) a non-fluorine-containing cyclic carbonate and (C) a chain ester represented by the formula (C): R1COOR2, wherein R1 is an alkyl group having 2 to 4 carbon atoms; R2 is an alkyl group having 1 to 4 carbon atoms or a fluorine-containing alkyl group having 1 to 4 carbon atoms, and (II) an electrolyte salt.
    Type: Grant
    Filed: July 6, 2009
    Date of Patent: April 9, 2013
    Assignee: Daikin Industries, Ltd.
    Inventors: Meiten Koh, Hitomi Nakazawa, Hideo Sakata, Michiru Kagawa, Akiyoshi Yamauchi
  • Publication number: 20130078531
    Abstract: A non-aqueous electrolyte battery includes an electrode group includes a positive electrode and a negative electrode disposed through a separator, and a non-aqueous electrolyte. The negative electrode comprises a current collector and a porous negative electrode layer formed on the current collector and containing a lithium compound. The porous negative electrode layer has a first peak at a pore diameter of 0.04 to 0.15 ?m and a second peak at a pore diameter of 0.8 to 6 ?m in the relation between the pore diameter and log differential intrusion obtained in the mercury press-in method.
    Type: Application
    Filed: November 16, 2012
    Publication date: March 28, 2013
    Inventors: Hidesato SARUWATARI, Hideaki MORISHIMA, Hiroki INAGAKI, Norio TAKAMI
  • Publication number: 20130078532
    Abstract: An electrolyte includes a lithium salt; a polar aprotic solvent; a primary redox shuttle; and a lithium borate cluster salt. The lithium borate cluster salt may be compound of formula Li2B12X12-nHn, LixX10-nHn, where X is F, Cl, Br, or I; and n is an integer ranging from 0 to 12, inclusive.
    Type: Application
    Filed: September 27, 2011
    Publication date: March 28, 2013
    Inventors: Zonghai Chen, Khalil Amine
  • Publication number: 20130078533
    Abstract: An electrolyte for a lithium secondary battery, the electrolyte including a lithium salt, a non-aqueous organic solvent, and a polar additive based on a substituted hetero-bicyclic compound. Oxidation of the electrolyte is prevented by formation of a polar thin film on a surface portion of the positive electrode, which facilitates transfer of lithium ions. The lithium secondary batteries using the electrolyte have excellent high temperature life characteristics and high temperature conservation characteristics.
    Type: Application
    Filed: July 11, 2012
    Publication date: March 28, 2013
    Inventors: Yoon-sok Kang, Min-sik Park, Jun-young Mun, Jin-hwan Park, Dong-joon Lee
  • Publication number: 20130071760
    Abstract: Disclosed is a method for producing a lithium ion battery electrolyte solution containing lithium hexafluorophosphate as an electrolyte and a lithium ion battery using the electrolyte solution. The electrolyte solution is produced by reacting lithium chloride with phosphorus trichloride and chlorine in a non-aqueous organic solvent, reacting a reaction product generated in the solvent with hydrogen fluoride, reacting unreacted remaining hydrogen fluoride with lithium chloride, and then, separating the resulting reaction solution by filtration into a filtrate and a solid residue. The filtrate is obtained as the lithium ion battery electrolyte solution. The solid product is further reacted with phosphorous trichloride and chlorine in a non-aqueous organic solvent. The reaction product generated in the solvent is reacted with hydrogen fluoride, followed by reacting unreacted remaining hydrogen fluoride with lithium chloride.
    Type: Application
    Filed: April 20, 2011
    Publication date: March 21, 2013
    Applicant: CENTRAL GLASS COMPANY, LIMITED
    Inventors: Meguru Oe, Keiji Sato
  • Patent number: 8399137
    Abstract: The present invention provides an electrolyte containing novel additive for electrochemical device and the electrochemical device thereof. The additive is a compound represented by below formula (I): wherein R1 and R2 are independently hydrogen, methyl, ethyl, or halogen; n and m are independently 1, 2, or 3. The additive of the present invention can protect the surface of the carbonaceous material on the anode and suppress the occurrence of exfoliation, thereby increasing the lifetime of the electrochemical device. Furthermore, the additive of the present invention also slows down the decay of capacity on the cathode during charging-discharging cycles, and hence maintains a better performance.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: March 19, 2013
    Assignee: Taiwan Hopax Chems. Mfg. Co., Ltd.
    Inventors: Li-Jane Her, Chih-Wei Huang, Po-Cheng Chen
  • Publication number: 20130065137
    Abstract: A cathode material suitable for use in non-aqueous electrochemical cells that includes copper manganese vanadium oxide and, optionally, fluorinated carbon. A non-aqueous electrochemical cell comprising such a cathode material, and a non-aqueous electrochemical cell that additionally includes a lithium anode.
    Type: Application
    Filed: August 29, 2012
    Publication date: March 14, 2013
    Applicant: EAGLEPICHER TECHNOLOGIES, LLC
    Inventors: Ernest NDZEBET, Joshua DEAN, Mario DESTEPHEN, Umamaheswari JANAKIRAMAN, Gregory MILLER, Min Qi YANG
  • Publication number: 20130059210
    Abstract: An electrolyte for a rechargeable lithium battery and rechargeable lithium battery including the same is provided. The electrolyte includes a film-forming compound; a lithium salt; and an organic solvent.
    Type: Application
    Filed: May 2, 2012
    Publication date: March 7, 2013
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jung-Yi YU, Woo-Cheol SHIN, Sang-II HAN, Mi-Hyun LEE, Tae-Hyun BAE
  • Patent number: 8383276
    Abstract: An organic electrolyte solvent includes a compound of the formula: R1—SO2—NR2—OR3 wherein R1 is selected from alkanes, alkenes, alkynes, aryls and their substituted derivatives and perfluorinated analogues; R2 is selected from alkanes, alkenes, alkynes, aryls and their substituted derivatives; R3 is selected from alkanes, alkenes, alkynes, aryls and their substituted derivatives wherein the electrolyte solvent is stable at voltages of greater than 4.0 volts.
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: February 26, 2013
    Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Synthonix Corporation
    Inventors: John Muldoon, Gary Allred, Anthony Dotse
  • Patent number: 8372300
    Abstract: An additive of the formula (1) for use in electrolytic solutions wherein A is —CH(X)— or —C?C(X)—, X being hydrogen, halogen, alkyl having 1 to 4 carbon atoms, alkoxycarbonyl having 2 to 5 carbon atoms, benzoyl or alkoxycarbonylalkyl having 3 to 9 carbon atoms, Q1 and Q2 are the same or different and are each alkyl having 1 to 6 carbon atoms, alkoxyl having 1 to 4 carbon atoms, alkoxycarbonylalkyl having 3 to 9 carbon atoms or amino having as a substituent alkyl having 1 to 4 carbon atoms, and A, Q1 and Q2 may form a ring structure.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: February 12, 2013
    Assignee: Otsuka Chemical Co., Ltd.
    Inventors: Akinori Oka, Hiroaki Shima, Shoji Hiketa, Yoshinobui Abe, Akihiro Nabeshima, Masatoshi Uetani
  • Patent number: 8372547
    Abstract: There is provided a non-aqueous electrolytic solution assuring good solubility of an electrolyte salt and having enough cell characteristics (charge and discharge cycle characteristic, discharge capacity, and the like), and the non-aqueous electrolytic solution comprises a solvent for dissolving an electrolyte salt comprising (A) at least one fluorine-containing solvent selected from the group consisting of fluorine-containing ethers and fluorine-containing carbonates, (B) a non-fluorine-containing cyclic carbonate and (C) a chain ester represented by the formula (C): R1COOR2, wherein R1 is an alkyl group having 2 to 4 carbon atoms; R2 is an alkyl group having 1 to 4 carbon atoms or a fluorine-containing alkyl group having 1 to 4 carbon atoms, and (II) an electrolyte salt.
    Type: Grant
    Filed: July 6, 2009
    Date of Patent: February 12, 2013
    Assignee: Daikin Industries, Ltd.
    Inventors: Meiten Koh, Hitomi Nakazawa, Hideo Sakata, Michiru Kagawa, Akiyoshi Yamauchi
  • Publication number: 20130029232
    Abstract: A lithium ion secondary battery includes a positive electrode, a negative electrode, a separator and an ionic liquid electrolyte. The separator is a polar porous membrane. The ionic liquid electrolyte and the separator made of the polar porous are used in the lithium ion secondary batteries, which can improve the electrochemical performance of the lithium ion secondary batteries.
    Type: Application
    Filed: July 25, 2012
    Publication date: January 31, 2013
    Applicant: Microvast New Materials (Huzhou) Co., LTD.
    Inventors: ZHUOQUN ZHENG, Bin Gu, Hong Wang, Liaoying Ke, Yunhua Nie
  • Publication number: 20130029230
    Abstract: An electrolyte for the lithium secondary battery having flame retardancy, low negative electrode interfacial resistance, and excellent high temperature properties and life characteristics, and a lithium secondary battery including the same. An electrolyte for lithium secondary battery of the present invention may include a non-aqueous organic solvent, a lithium salt, fluorinated ether or phosphazene, and a resistance-improving additive represented as the following chemical formula (1): RSO2—R1—SO2F??[Chemical Formula 1] wherein R1 is a C1-C12 hydrocarbon unsubstituted or substituted with at least one fluorine.
    Type: Application
    Filed: October 3, 2011
    Publication date: January 31, 2013
    Applicant: SAMSUNG SDI, CO., LTD.
    Inventors: Sinyoung Park, Yongbeom Lee, Sunyoung Kim, Bora Lee
  • Publication number: 20130022879
    Abstract: Provided is a nonaqueous electrolyte secondary battery which, even in the case of using a low-viscosity solvent having a narrow potential window, can increase the electrochemical stability of the nonaqueous electrolyte solution and suppress side reactions of the nonaqueous electrolyte solution during charge and discharge to reduce the degradation of the battery characteristics and has an excellent storage characteristic in high-temperature environments and a nonaqueous electrolyte solution for the nonaqueous electrolyte secondary battery.
    Type: Application
    Filed: April 28, 2011
    Publication date: January 24, 2013
    Applicants: MITSUBISHI CHEMICAL CORPORATION, SANYO Electric Co., Ltd.
    Inventors: Hidekazu Yamamoto, Kouhei Tuduki, Taizou Sunano, Maruo Kamino, Youichi Ohashi, Minoru Kotato
  • Publication number: 20130017418
    Abstract: The present invention relates to electrode material for an electrical cell comprising as component (A) at least one ion- and electron-conductive metal chalcogenide, as component (B) carbon in a polymorph comprising at least 60% sp2-hybridized carbon atoms, as component (C) at least one sulfur-containing component selected from the group consisting of elemental sulfur, a composite produced from elemental sulfur and at least one polymer, a polymer comprising divalent di- or polysulfide bridges and mixtures thereof, and as component (D) optionally at least one binder. The invention further relates to a rechargeable electrical cell comprising at least one electrode which has been produced from or using the inventive electrode material, to the use of the rechargeable electrical cell and to the use of an ion- and electron-conductive metal chalcogenide for production of an inventive rechargeable electrical cell.
    Type: Application
    Filed: July 9, 2012
    Publication date: January 17, 2013
    Applicant: BASF SE
    Inventors: Arnd GARSUCH, Stefan Herzog, Lucas Montag, Andrea Krebs
  • Publication number: 20130004859
    Abstract: Disclosed are a nonaqueous electrolyte for a lithium secondary battery containing a hetero polycyclic compound and a lithium secondary battery using the same.
    Type: Application
    Filed: June 29, 2012
    Publication date: January 3, 2013
    Inventors: Sung-Hoon YU, Doo Kyung YANG, Jong-Ho JEON, Min-Jung JOU
  • Publication number: 20130004860
    Abstract: A quaternary ammonium salt of the formula (1), a composition containing the quaternary ammonium salt and an organic solvent, and an electrochemical device using the salt wherein R1 and R2 are both methyl and X? is BF4? or N(CF3SO2)2?.
    Type: Application
    Filed: September 13, 2012
    Publication date: January 3, 2013
    Inventors: Tetsuo NISHIDA, Yasutaka Tashiro, Megumi Tornisaki, Masashi Yamamoto, Kazutaka Hirano, Akihiro Nabeshima, Hiroaki Tokuda, Kenji Sato, Takashi Higono
  • Patent number: 8343374
    Abstract: There is provided an electrolytic solution comprising a chain carbonate (I) represented by the formula (I): wherein Rf is a fluorine-containing ether group (Ia) having, at its end, a moiety represented by the formula: HCFX (X is H or F); R is an alkyl group in which hydrogen atom may be substituted with halogen atom and hetero atom may be contained in its chain, and an electrolyte salt (II), and the electrolytic solution is excellent in flame retardance, low temperature characteristics, withstand voltage and compatibility with a hydrocarbon solvent and is high in solubility of an electrolyte salt.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: January 1, 2013
    Assignee: Daikin Industries, Ltd.
    Inventors: Meiten Koh, Akiyoshi Yamauchi, Yasuko Takagahara
  • Publication number: 20120315550
    Abstract: The invention relates to a graphene-modified lithium iron phosphate positive electrode active material and a method for preparing the same, as well as a lithium-ion secondary cell based on this positive electrode active material. The positive electrode active material is prepared by a method in which graphene or graphene oxide and lithium iron phosphate are dispersed in an aqueous solution, agitated and ultrasonicated to mix homogeneously and for a mixture, dried to obtain a lithium iron phosphate material compounded with graphene or graphene oxide, and annealed at high temperature to obtain finally a graphene-modified lithium iron phosphate positive electrode active material. When compared with conventional modified lithium cells coated with carbon or doped with conductive polymers, the lithium-ion secondary cell based on this positive electrode active material features high cell capacity, good cycling performance of charge and discharge, long life and high cycle stability, and has great utility value.
    Type: Application
    Filed: January 22, 2010
    Publication date: December 13, 2012
    Applicant: Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences
    Inventors: Zhaoping Liu, Xufeng Zhou
  • Publication number: 20120315549
    Abstract: A battery electrolyte solution contains from 0.001 to 20% by weight of certain phosphorus-sulfur compounds. The phosphorus-sulfur compound performs effectively as a solid-electrolyte interphase (SEI) forming material. The phosphorus-sulfur compound has little adverse impact on the electrical properties of the battery, and in some cases actually improves battery performance. Batteries containing the electrolyte solution form robust and stable SEIs even when charged at high rates during initial formation cycles.
    Type: Application
    Filed: November 16, 2009
    Publication date: December 13, 2012
    Inventors: Houxiang Tang, William J. Kruper, JR., Ravi B. Shankar, Deidre A. Strand, Peter M. Margl, Andrew J. Pasztor, JR., David R. Wilson, Jerey R. Stajdi
  • Publication number: 20120315511
    Abstract: The present invention relates to electrode materials for charged electrical cells, comprising at least one polymer comprising polysulfide bridges, and carbon in a polymorph comprising at least 60% sp2-hybridized carbon atoms. The present invention further relates to electrical cells comprising the inventive electrode material, to specific polymers comprising polysulfide bridges, to processes for preparation thereof and to the use of the inventive cells.
    Type: Application
    Filed: June 5, 2012
    Publication date: December 13, 2012
    Applicant: BASF SE
    Inventors: Oliver GRONWALD, Alexander Panchenko, Arnd Garsuch
  • Patent number: 8329344
    Abstract: There is provided an electrolytic solution which has excellent flame retardance, low temperature characteristics and withstand voltage, high solubility of an electrolyte salt and excellent compatibility with hydrocarbon solvents, and comprises a chain carbonate (I) and an electrolyte salt (II), and the chain carbonate (I) is represented by the formula (I): wherein Rf1 is a fluorine-containing alkyl group having a fluorine content of 10 to 76% by mass and having, at its end, a moiety represented by the formula (Ia): (HCX1X2??(Ia) wherein X1 and X2 are the same or different and each is H or F; Rf2 is a fluorine-containing alkyl group having a fluorine content of 10 to 76% by mass and having, at its end, —CF3 or the moiety represented by the above-mentioned formula (Ia).
    Type: Grant
    Filed: February 14, 2006
    Date of Patent: December 11, 2012
    Assignee: Daikin Industries, Ltd.
    Inventors: Meiten Koh, Akiyoshi Yamauchi
  • Patent number: 8318361
    Abstract: 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: Grant
    Filed: September 7, 2007
    Date of Patent: November 27, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Hoon Yu, Jeong-Ju Cho, Soo-Jin Kim, Soo-Hyun Ha
  • Publication number: 20120282530
    Abstract: An energy storage device includes a first electrode comprising a first material and a second electrode comprising a second material, at least a portion of the first and second materials forming an interpenetrating network when dispersed in an electrolyte, the electrolyte, the first material and the second material are selected so that the first and second materials exert a repelling force on each other when combined. 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 an ionically conductive medium in ionic contact with said first and second electrodes, wherein at least a portion of the first and second electrodes form an interpenetrating network and wherein at least one of the first and second electrodes comprises an electrode structure providing two or more pathways to its current collector.
    Type: Application
    Filed: July 13, 2012
    Publication date: November 8, 2012
    Applicant: Massachusetts Institute of Technology
    Inventors: Yet-Ming Chiang, William Douglas Moorehead
  • Publication number: 20120276456
    Abstract: Electrolyte, comprising an aprotic solvent, a lithium salt as conducting salt, and an additive, characterized in that the additive is a compound which contains a protonable nitrogen atom and is hydrolysable by water.
    Type: Application
    Filed: August 27, 2010
    Publication date: November 1, 2012
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Peter Pilgram, Rolf-Walter Terwonne, Denny Thiemig, Joerg Kaiser, Andreas Gutsch
  • Patent number: 8277972
    Abstract: A non-aqueous electrolyte solution for a lithium secondary battery includes a lithium salt and a carbonate organic solvent. The non-aqueous electrolyte solution further includes a fluoro group-containing sulphonate compound expressed by Chemical Formula 1. When the non-aqueous electrolyte solution is employed for a lithium secondary battery, low-temperature discharging characteristics and life cycle characteristics are greatly improved. Also, even though a battery is stored at a high temperature in a fully-charged state or a charging/discharging process is under progress, the decomposition reaction of a carbonate-based organic solvent is restrained, thereby solving the swelling problem and improving high-temperature life cycle characteristics.
    Type: Grant
    Filed: March 9, 2009
    Date of Patent: October 2, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Jong-Ho Jeon, Jeong-Ju Cho, Ho-Chun Lee
  • Publication number: 20120244446
    Abstract: A redox shuttle is provided to prevent overcharge of high voltage batteries, such as high voltage lithium ion (Li-ion) batteries. An exemplary redox shuttle includes a methylated closo-monocarborate anion.
    Type: Application
    Filed: March 26, 2012
    Publication date: September 27, 2012
    Applicant: EnerDel, Inc.
    Inventors: Thomas Barbarich, Mary Patterson
  • Publication number: 20120244445
    Abstract: In one aspect, a rechargeable lithium battery comprising a non-aqueous electrolyte including an organic solvent; a lithium salt and a substituted 2-fluoroalkoxy-1,3,2-dioxaphospholane 2-oxide is provided. The 2-fluoroalkoxy-1,3,2-dioxaphospholane 2-oxide can be a compound represented by the following Chemical Formula 1.
    Type: Application
    Filed: November 17, 2011
    Publication date: September 27, 2012
    Applicant: Samsung SDI Co., LTd.
    Inventors: Sang-Il Han, Woo-Cheol Shin, Jung-Yi Yu, Tae-Hyun Bae, Mi-Hyun Lee, Denis Chernyshov, Alexey Tereshchenko, Pavel Shatunov, Boris A. Trofimov, Nina K. Gusarova
  • Publication number: 20120237837
    Abstract: The present invention generally relates to electrochemical batteries, and more specifically, to the combined additives in the non-aqueous electrolyte for rechargeable lithium-ion batteries containing spinel-based cathode that may enhance the performance of the batteries. The mixed additives comprising of 1,8-bis(dialkylamino)naphthalene, wherein alky group is described by CnH2n+1, n=1 to 3, and vinylene carbonate (VC) are added to the electrolyte of the lithium-ion batteries greatly improve the capacity recovery and reduce AC impedance growth during the high temperature storage. The incorporation of the two kinds of additives within the electrolyte of the battery can also improve the high temperature cycling performance.
    Type: Application
    Filed: March 18, 2011
    Publication date: September 20, 2012
    Applicants: E-ONE MOLI ENERGY (CANADA) LIMITED, E-ONE MOLI ENERGY CORPORATION
    Inventors: Yong-Shou LIN, Li FENG
  • Patent number: 8268486
    Abstract: A positive electrode includes a current collector and a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material including a core including a compound LiaCO1-bMbO2 and a surface-treatment layer. In the core compound, 0.95?a?1.1, 0.002?b?0.02, and M is one or more elements selected from the group consisting of Mg, Ca, Sr, Ba, Ra, Sc, Y, Ti, Zr, Hf, Rf, V, Nb, Ta, Db, Cr, Mo, W, Sg, Tc, Re, Bh, Fe, Ru, Os, Hs, Rh, Ir, Pd, Pt, Cu, Ag, Au, Zn, Cd, B, Al, Ga, In, Tl, Si, Ge, Sn, P, As, Sb, Bi, S, Se, Te, Po. The surface-treatment layer includes a compound including element of P, and one or more elements selected from the group consisting of Mg, Ca, Sr, Ba, Ra, Sc, Y, Ti, Zr, Hf, Rf, V, Nb, Ta, Db, Cr, Mo, W, Sg, Tc, Re, Bh, Fe, Ru, Os, Hs, Rh, Ir, Pd, Pt, Cu, Ag, Au, Zn, Cd, B, Al, Ga, In, Tl, Si, Ge, Sn, As, Sb, Bi, S, Se, Te, Po.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: September 18, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Duck-Chul Hwang, Yong-Chul Park, Jeom-Soo Kim, Jae-Yul Ryu, Jong-Hwa Lee, Euy-Young Jung, So-Hyun Hur
  • Publication number: 20120225359
    Abstract: This invention described the preparation of a series of compounds selected from the group comprising tris(1,1,1,3,3,3-hexafluoro-iso-propyl)phosphate, tris(perfluoroethyl)phosphate, tris(perfluoro-iso-propyl)phosphate, bis(1,1,1-trifluoroethyl)fluorophosphate, tris(1,1,1-trifluoroethyl)phosphate, hexakis(1,1,1-trifluoroethoxy)phosphazene, tris(1,1,1-trifluoroethoxy)trifluorophosphazene, hexakis(perfluoro-t-butyl)phosphazene and tris(perfluoro-t-butyl)phosphate. These compounds may be used as co-solvents, solutes or additives in non-aqueous electrolytes in various electrochemical devices. The inclusion of these compounds in electrolyte systems can enable rechargeable chemistries at high voltages that are otherwise impossible with state-of-the-art electrolyte technologies. These compounds are chosen because of their beneficial effect on the interphasial chemistries formed at high potentials, such as 5.0 V class cathodes for new Li ion chemistries.
    Type: Application
    Filed: April 13, 2012
    Publication date: September 6, 2012
    Applicant: U.S. Government as represented by the Secretary of the Army
    Inventors: Kang Conrad Xu, Arthur von Wald Cresce
  • Publication number: 20120219868
    Abstract: The objective of the present invention is to prevent deterioration and expanding of anode active material and to improve charge-discharge cycle characteristics in a non-aqueous electrolyte secondary battery comprising an anode of which current collector has thereon a thin layer of an anode active material containing a metal. To solve this problem, in a non-aqueous electrolyte secondary battery wherein a thin layer of anode active material containing a metal which absorbs and discharges lithium is formed on a current collector and the thin layer of the anode active material is divided into columns by a gap formed along the thickness thereof, a compound represented by the following formula is contained in the non-aqueous electrolyte. A-N?C?O In the above formula, A represents an element or a group other than hydrogen.
    Type: Application
    Filed: May 3, 2012
    Publication date: August 30, 2012
    Applicants: Mitsubishi Chemical Corporation, SANYO Electric Co., Ltd.
    Inventors: Keiji SAISHO, Hidekazu Yamamoto, Masahiro Takehara
  • Publication number: 20120219866
    Abstract: This invention relates to a nonaqueous electrolytic solution including a lithium salt and an organic solvent containing: a carbonate and/or an ester in a total proportion exceeding 90% by volume; and a fluorine-substituted aromatic ester represented by formula (I) in an amount of 0.01%-10% by weight based on the weight of the electrolytic solution: Xn-Ph-OCOR??(1). The invention also relates to a nonaqueous electrolytic solution including an electrolyte, a nonaqueous solvent, and a compound represented by formula (3): The invention also relates to a nonaqueous-electrolyte battery including a nonaqueous electrolytic solution as described above.
    Type: Application
    Filed: February 29, 2012
    Publication date: August 30, 2012
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Masamichi Onuki, Minoru Kotato, Koji Fukamizu, Yumiko Machida, Youichi Ohashi
  • Publication number: 20120214073
    Abstract: To provide a non-aqueous electrolyte solution for secondary batteries which has excellent compatibility even in a state where a lithium salt is dissolved therein and further has excellent nonflammability and cycle properties, and a secondary battery having such a non-aqueous electrolyte solution for secondary batteries. A non-aqueous electrolyte solution for secondary batteries, which comprise a lithium salt, a specific hydrofluoromonoether and a specific hydrofluoropolyether, and a secondary battery containing such a non-aqueous electrolyte solution for secondary batteries.
    Type: Application
    Filed: April 26, 2012
    Publication date: August 23, 2012
    Applicant: Asahi Glass Company, Limited
    Inventors: Masao Iwaya, Yu Onozaki
  • Publication number: 20120214043
    Abstract: A lithium sulfur battery comprising an electrolyte solvent which comprises at least one fluorosubstituted compound is described. Preferred fluorosubstituted compounds which are predominantly solvents are notably selected from the group consisting of fluorosubstituted carboxylic acid esters, fluorosubstituted carboxylic acid amides, fluorosubstituted fluorinated ethers, fluorosubstituted carbamates, fluorosubstituted cyclic carbonates, fluorosubstituted acyclic carbonates, fluorosubstituted ethers, perfluoroalkyl phosphoranes, fluorosubstituted phosphites, fluorosubstituted phosphates, fluorosubstituted phosphonates, and fluorosubstituted heterocycles. Monofluoroethylene carbonate, cis-difluoroethylene carbonate, trans-difluoroethylene carbonate, 4,4-difluoroethylene carbonate, trifluoroethylene carbonate, tetrafluoroethylene carbonate, 4-fluoro-4-methyl-1,3-dioxolane-2-one, 4-fluoro-4-ethyl-1,3-dioxolane-2-one, 2,2,2-trifluoroethyl-methyl carbonate, 2,2,2-trifluoroethyl-fluoromethyl carbonate are preferred.
    Type: Application
    Filed: October 26, 2010
    Publication date: August 23, 2012
    Applicant: SOLVAY FLUOR GMBH
    Inventors: Jens Olschimke, Martin Bomkamp, Johannes Eicher
  • Publication number: 20120214072
    Abstract: The present invention concerns electrode materials capable of redox reactions by electron and alkali-ion exchange with an electrolyte. The applications are in the field of primary (batteries) or secondary electrochemical generators, supercapacitors and light modulating systems of the electrochromic type.
    Type: Application
    Filed: May 4, 2012
    Publication date: August 23, 2012
    Applicants: ACEP Inc., Universite De Montreal, CNRS
    Inventors: Nathalie Ravet, Simon Besner, Martin Simoneau, Alain Vallee, Michel Armand, Jean-Francois Magnan
  • Publication number: 20120208092
    Abstract: An amorphous anode active material, a preparation method of an electrode using the same, a secondary battery containing the same, and a hybrid capacitor are provided. The amorphous anode active material includes at least one of a metal oxide or a metal phosphate, and the metal oxide or the metal phosphate is amorphous. The metal oxide has the form of MOx (0<X?3). M is at least one of molybdenum (Mo), vanadium (V), scandium (Sc), titanium (Ti), chromium (Cr), yttrium (Y), zirconium (Zr), niobium (Nb) and tungsten (W). The metal phosphate has the form of AxBy(PO4) (0?x?2, 0<y?2). A is at least one of lithium (Li), sodium (Na) and potassium (K), and B is at least one of molybdenum (Mo), vanadium (V), scandium (Sc), titanium (Ti), chromium (Cr), yttrium (Y), zirconium (Zr), niobium (Nb) and tungsten (W).
    Type: Application
    Filed: August 12, 2010
    Publication date: August 16, 2012
    Applicant: SNU R&DB FOUNDATION
    Inventors: Jun-Hwan Ku, Kyung-Jin Park, Ji-Sun Kim, Ji-Heon Ryu, Seung-Mo Oh
  • Publication number: 20120202124
    Abstract: Disclosed is a lithium secondary battery. The lithium secondary battery includes a cathode, an anode, a separator and a non-aqueous electrolyte solution. Either the cathode or the anode or both include metal oxide coating layers on electrode active material particles forming the electrode or a metal oxide coating layer on the surface of an electrode layer formed on a current collector. The non-aqueous electrolyte solution contains an ionizable lithium salt, an organic solvent, and a dinitrile compound having a specific structure. In the lithium secondary battery, degradation of the electrode is prevented and side reactions of the electrolyte solution are inhibited. Therefore, the lithium secondary battery exhibits excellent cycle life and output performance characteristics.
    Type: Application
    Filed: April 16, 2012
    Publication date: August 9, 2012
    Inventors: Jong-Ho JEON, Doo-Kyung Yang, Sung-Hoon Yu, Min-Hyung Lee
  • Publication number: 20120196193
    Abstract: The present invention provides composite graphite particles, which are useful for a negative electrode in a secondary battery having high capacitance, good charge-discharge characteristics and good charge-discharge cycle characteristics; and a paste for negative electrode, a negative electrode and a lithium secondary battery which use the composite graphite particles. The composite graphite particles of the present invention comprises a core material consisting of graphite having a interlayer distance d(002) of 0.337 nm or less in which the intensity ratio ID/IG (R value) between the peak intensity (ID) in a range of 1300 to 1400 cm?1 and the peak intensity (IG) in a range of 1580 to 1620 cm?1 as measured by Raman spectroscopy spectra is from 0.01 to 0.1 and a carbonaceous surface layer in which the intensity ratio ID/IG(R value) between the peak intensity (ID) in a range of 1300 to 1400 cm?1 and the peak intensity (IG) in a range of 1580 to 1620 cm?1 as measured by Raman scattering spectroscopy is 0.
    Type: Application
    Filed: March 2, 2009
    Publication date: August 2, 2012
    Applicants: LS MTRON LTD., SHOWA DENKO K.K.
    Inventors: Chiaki Sotowa, Akinori Sudoh, Masataka Takeuchi, Kyung-hee Han, Jung-min Han, Jung-hun Oh
  • Publication number: 20120196191
    Abstract: Disclosed is a lithium secondary battery. The lithium secondary battery includes a cathode, an anode, a separator and a non-aqueous electrolyte solution. The separator includes a porous substrate, and a coating layer coated on at least one surface of the porous substrate and including a mixture of inorganic particles and a binder polymer. The non-aqueous electrolyte solution contains an ionizable lithium salt, an organic solvent, and a dinitrile compound having a specific structure. The lithium secondary battery is very safe without side reactions of the electrolyte solution. Therefore, the lithium secondary battery exhibits excellent cycle life and output performance characteristics.
    Type: Application
    Filed: April 16, 2012
    Publication date: August 2, 2012
    Inventors: Jong-Ho JEON, Doo-Kyung Yang, Sung-Hoon Yu, Min-Hyung Lee
  • Publication number: 20120189921
    Abstract: A chemical source of electrical energy may include a positive electrode (cathode) made of an electrically conductive material, a mixture of lithium sulphide and sulphur, a permeable separator or membrane, and a negative electrode (anode) made of an electrically conductive material or a material that is able reversibly to intercalate lithium ions, wherein an aprotic electrolyte comprising at least one lithium salt in at least one solvent is provided between the electrodes.
    Type: Application
    Filed: April 2, 2012
    Publication date: July 26, 2012
    Inventors: Vladimir Kolosnitsyn, Elena Karaseva
  • Publication number: 20120183866
    Abstract: The present invention relates to electrochemical storage devices containing a non-aqueous lithium based electrolyte with high ionic conductivity, low impedance, and high thermal stability. More particularly, this invention relates to the design, synthesis and application of novel fluorinated arylboron oxalate based compounds which act as anion receptors and/or additives for non-aqueous batteries. When used as an anion receptor for non-aqueous battery electrolytes, the fluorinated arylboron oxalate enhances conductivity, lithium ion transference number and Solid Electrolyte Interface (SEI) formation capability during the formation cycling.
    Type: Application
    Filed: July 26, 2010
    Publication date: July 19, 2012
    Applicant: Brookhaven Science Associates ,LLC
    Inventors: Hung Sui Lee, Xiao-Qing Yang, Kyung-Wan Nam, Xiaojian Wang
  • Publication number: 20120176089
    Abstract: Disclosed is a lithium secondary battery including a positive electrode comprising a combination of positive active materials. The combination includes a material represented by one or both of Formulae 1 and 2; and a material of Formula 3 as follows: LiaNibMncMdO2??(Formula 1) where 0.90?a?1.2; 0.5?b?0.9; 0<c<0.4; 0?d?0.2; LiaNibCocMndMeO2??(Formula 2) where 0.90?a?1.2, 0.5?b?0.9, 0<c<0.4, 0<d<0.4, and 0?e?0.2; LiaCoMbO2??(Formula 3) where 0.90?a?1.2 and 0?b?0.2; and each M of Formulae 1-3 is independently selected from the group consisting of Mg, Ca, Sr, Ba, Ra, Sc, Y, Ti, Zr, Hf, Rf, V, Nb, Ta, Db, Cr, Mo, W, Sg, Tc, Re, Bh, Fe, Ru, Os, Hs, Rh, Ir, Pd, Pt, Cu, Ag, Au, Zn, Cd, B, Al, Ga, In, Tl, Si, Ge, Sn, P, As, Sb, Bi, S, Se, Te, Po, and combinations.
    Type: Application
    Filed: March 19, 2012
    Publication date: July 12, 2012
    Inventors: Duck-Chul Hwang, Geun-Bae Kim, Yong-Chul Park, Won-II Jung, Jun-Won Suh, Jan-Dee Kim
  • Publication number: 20120171577
    Abstract: An electrolytic solution including: a magnesium salt; a non-aqueous organic solvent; and an anion receptor, wherein the anion receptor comprises at least one compound selected from the group consisting of compounds represented by Formulae 1 and 2 below: where A, m, p1, P2, P3, q1, RA, Ra, R1 through R6, and Ry are the same as described in the detailed description section.
    Type: Application
    Filed: June 10, 2011
    Publication date: July 5, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Young-gyoon Ryu, Sang-ho Park, Myung-dong Cho, Young-min Choi, Seok-soo Lee
  • Publication number: 20120171578
    Abstract: The battery includes an electrolyte activating one or more cathodes and one or more anodes. The electrolyte includes one or more salts in a solvent. The solvent includes one or more organic solvents and one or more silanes and/or one or more siloxanes.
    Type: Application
    Filed: March 22, 2007
    Publication date: July 5, 2012
    Inventors: Zhengcheng Zhang, Phuong-Nghi Karen Lam, Mikito Nagata, Hisashi Tsukamoto
  • Publication number: 20120171580
    Abstract: To provide a non-aqueous electrolyte solution for secondary batteries, by which a secondary battery having both high conductivity and stability free from thermal runaway may be obtained. A non-aqueous electrolyte solution for secondary batteries, which comprises a lithium salt (a1) represented by R1—CHF—SO2—N(Li)—SO2—CHF—R2 wherein in the formula (a1), each of R1 and R2 which are independent of each other, is a fluorinated C1-5 alkyl group which may contain an ethereal oxygen atom, or a fluorine atom, an inorganic lithium salt (a2), and a solvent, wherein the proportion of the lithium salt (a1) based on the total amount i.e. 100 mol % of the lithium salt (a1) and the inorganic lithium salt (a2) is from 5.0 to 20.0 mol %.
    Type: Application
    Filed: March 15, 2012
    Publication date: July 5, 2012
    Applicant: Asahi Glass Company, Limited
    Inventors: Masao IWAYA, Ryuji Seki, Shouji Furuta
  • Publication number: 20120171574
    Abstract: A surface-enabled, metal ion-exchanging battery device comprising a cathode, an anode, a porous separator, and a metal ion-containing electrolyte, wherein the metal ion is selected from (A) non-Li alkali metals; (B) alkaline-earth metals; (C) transition metals; (D) other metals such as aluminum (Al); or (E) a combination thereof; and wherein at least one of the electrodes contains therein a metal ion source prior to the first charge or discharge cycle of the device and at least the cathode comprises a functional material or nano-structured material having a metal ion-capturing functional group or metal ion-storing surface in direct contact with said electrolyte, and wherein the operation of the battery device does not involve the introduction of oxygen from outside the device and does not involve the formation of a metal oxide, metal sulfide, metal selenide, metal telluride, metal hydroxide, or metal-halogen compound.
    Type: Application
    Filed: January 3, 2011
    Publication date: July 5, 2012
    Inventors: Aruna Zhamu, ChenGuang Liu, David Neff, Bor Z. Jang, Zhenning Yu
  • Publication number: 20120164541
    Abstract: A lithium-free, anion based charge transport electrochemical system that uses fluoride ion transporting electrolytes, including ionic liquids, with and without various additives to improve performance, is described. The fluoride ion transporting electrolyte can be wholly or partly an ionic liquid that is typically liquid at temperatures less than 200 degrees Celsius. In other embodiments, electrolytes that remain liquid at less than 100 degrees Celsius are useful.
    Type: Application
    Filed: October 14, 2011
    Publication date: June 28, 2012
    Applicant: Contour Energy Systems, Inc.
    Inventors: Isabelle Darolles, Cedric M. Weiss, Maksudul M. Alam, Arunkumar Tiruvannamalai, Simon Christopher Jones