And Acyclic Oxygen Or Nitrogen Containing Solvent Compound Patents (Class 429/334)
  • Patent number: 10199685
    Abstract: An electrolyte solution including a solvent, an electrolyte salt, and at least one compound (?) selected from an amine (A) represented by the formula (A): (wherein R1 and R2 may be the same as or different from each other, and individually represent a C1-C7 alkyl group; Rf1 represents a C1-C7 fluorinated alkyl group), and an amide (B) represented by the formula (B): (wherein R3, R4, and R5 may be the same as or different from each other, and individually represent a C1-C7 alkyl group). The amount of the compound (?) is 0.001 to 20 ppm in the electrolyte solution.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: February 5, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Akiyoshi Yamauchi, Shinichi Kinoshita
  • Patent number: 9954253
    Abstract: Disclosed is an electrolyte comprising (a) a eutectic mixture of an amide compound represented by the following chemical formula 1 or 2 and an ionizable lithium salt; and (b) a nitrile compound. The eutectic mixture and the nitrile compound in the electrolyte contribute to excellent thermal and chemical stability and sufficiently low viscosity and high ion conductivity. The electrolyte can be usefully applied as an electrolyte of electrochemical devices.
    Type: Grant
    Filed: August 11, 2010
    Date of Patent: April 24, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Ji-Won Park, Byoung-Bae Lee, Jae-Seung Oh, Dong-Su Kim, Hyo-Jin Lee, Yeon-Suk Hong
  • Publication number: 20150132664
    Abstract: An electrolyte for a rechargeable lithium battery includes a lithium salt; a non-aqueous organic solvent; and an additive including a compound represented by the Chemical Formula 1,
    Type: Application
    Filed: September 5, 2014
    Publication date: May 14, 2015
    Inventor: Seung-Mo KIM
  • Publication number: 20150132663
    Abstract: There is provided a secondary battery comprising: a positive electrode capable of intercalating and deintercalating a lithium ion; a negative electrode capable of intercalating and deintercalating a lithium ion; and an electrolytic solution, wherein the electrolytic solution comprises: a fluorine-containing cyclic ether compound represented by the following formula (1); and at least one selected from a fluorine-containing chain ether compound or a fluorine-containing phosphate ester compound; wherein R1 to R6 are each independently selected from a hydrogen atom, a fluorine atom, a chlorine atom, or a fluorine-substituted, chlorine-substituted, or unsubstituted alkyl group, and at least one of R1 to R6 is selected from a fluorine atom or a fluorine-substituted alkyl group.
    Type: Application
    Filed: February 26, 2013
    Publication date: May 14, 2015
    Inventors: Takehiro Noguchi, Hideaki Sasaki, Yuukou Katou, Makiko Takahashi
  • Publication number: 20150118577
    Abstract: An embodiment of the present invention relates to a lithium secondary battery comprising: a positive electrode comprising a positive electrode active material; and an electrolytic solution comprising a nonaqueous electrolytic solvent, wherein the positive electrode active material operates at a potential of 4.5 V or more versus lithium, and the electrolytic solution comprises: the nonaqueous electrolytic solvent comprising a fluorine-containing phosphate ester represented by a given formula; and a cyclic sulfonate ester represented by a given formula.
    Type: Application
    Filed: April 22, 2013
    Publication date: April 30, 2015
    Inventors: Yuukou Katou, Takehiro Noguchi, Hideaki Sasaki, Makiko Takahashi, Shinsaku Saitho
  • Patent number: 9012095
    Abstract: An electrolyte includes a solvent and an electrolyte salt. The solvent contains at least one selected from ester compounds, lithium monofluorophosphate, and lithium difluorophosphate, and at least one selected from anhydrous compounds. The ester compounds are chain compounds having ester moieties, such as (—O—C(?O)—O—R), at both ends. The anhydrous compounds are cyclic compounds having, for example, a disulfonic anhydride group, (—S(O?)2—O—S(O?)2—).
    Type: Grant
    Filed: January 8, 2010
    Date of Patent: April 21, 2015
    Assignee: Sony Corporation
    Inventors: Masayuki Ihara, Shinya Wakita, Tadahiko Kubota
  • Patent number: 9005821
    Abstract: A nonaqueous electrolyte secondary battery includes: a positive electrode; a negative electrode; and a nonaqueous electrolyte, wherein an open circuit voltage in a completely charged state per pair of a positive electrode and a negative electrode is from 4.25 to 6.
    Type: Grant
    Filed: February 11, 2010
    Date of Patent: April 14, 2015
    Assignee: Sony Corporation
    Inventors: Toru Odani, Tadahiko Kubota
  • Publication number: 20150084604
    Abstract: An improved lithium-sulfur battery containing a surface-functionalized carbonaceous material. The presence of the surface-functionalized carbonaceous material generates weak chemical bonds between the functional groups of the surface-functionalized carbonaceous material and the functional groups of the polysulfides, which prevents the polysulfide migration to the battery anode, thereby providing a battery with relatively high energy density and good partial discharge efficiency.
    Type: Application
    Filed: September 26, 2013
    Publication date: March 26, 2015
    Applicant: EAGLEPICHER TECHNOLOGIES, LLC
    Inventors: Ramanathan THILLAIYAN, Wujun FU, Mario DESTEPHEN, Greg MILLER, Ernest NDZEBET, Umamaheswari JANAKIRAMAN
  • Publication number: 20150056521
    Abstract: An electrolyte solution for a lithium ion battery, wherein the electrolyte solution includes water.
    Type: Application
    Filed: August 6, 2014
    Publication date: February 26, 2015
    Inventors: John C. Burns, Jeffrey R. Dahn, Kevin W. Eberman, Gaurav Jain, William M. Lamanna, Nupur N. Sinha, Ang Xiao, Hui Ye
  • Publication number: 20140377667
    Abstract: The invention relates to lithium-2-methoxy-1,1,2,2-tetrafluoro-ethanesulfonate, to the use thereof as conductive salt in lithium-based energy accumulators, and ionic liquids comprising 2-methoxy-1,1,2,2-tetrafluoro-ethanesulfonate as an anion.
    Type: Application
    Filed: July 25, 2012
    Publication date: December 25, 2014
    Applicants: JACOBS UNIVERSITY BREMEN gGMBH, WESTFALISCHE WILHELMS UNIVERSITAT MUNSTER
    Inventors: Gerd-Volker Roschenthaler, Martin Winter, Katja Vlasov, Nataliya Kalinovich, Christian Schreiner, Raphael Wilhelm Schmitz, Romek Ansgar Muller, Rene Schmitz, Alexandra Lex-Balducci, Miriam Kunze
  • Publication number: 20140356733
    Abstract: Provided are an additive for a lithium battery electrolyte, wherein the additive is an ethylene carbonate based compound represented by the following Formula 1 or 2, an organic electrolyte solution including the additive, and a lithium battery including the organic electrolyte solution: in the above Formulae, R1, R2, R3, and R4 are each independently a non-polar functional group or a polar functional group, the polar functional group including a heteroatom belonging to groups 13 to 16 of the periodic table of elements, and one or more of R1, R2, R3, and R4 are the polar functional groups.
    Type: Application
    Filed: May 5, 2014
    Publication date: December 4, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Makhmut Khasanov, Woo-Cheol Shin, Vladimir Egorov, Pavel Alexandrovich Shatunov, Denis Chernyshov, Sang-Hoon Kim, Ha-Rim Lee, In-Haeng Cho, Alexey Tereshchenko
  • Patent number: 8889302
    Abstract: Disclosed is a nonaqueous electrolytic solution which forms a nonaqueous-electrolyte battery having high capacity and excellent storage characteristics at high temperatures, while sufficiently enhancing safety at the time of overcharge, and a nonaqueous-electrolyte battery using the same. The nonaqueous electrolytic solution has an electrolyte and a nonaqueous solvent with (A) a compound of formula (2): wherein R7 is an optionally halogenated and/or phenylated alkyl group comprising 1-12 carbon atoms, R8 to R12 are independently a hydrogen atom, a halogen atom, an optionally halogenated ether or alkyl group comprising 1-12 carbon atoms, and at least one of R8 to R12 is an optionally halogenated alkyl group comprising 2-12 carbon atoms; and/or (B) a carboxylic acid ester with a phenyl group substituted by at least one alkyl group (having 4 or more carbon atoms) that is optionally substituted.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: November 18, 2014
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Yumiko Nakagawa, Minoru Kotato, Daisuke Noda, Shinichi Kinoshita
  • Publication number: 20140335399
    Abstract: Disclosed is an additive for an electrochemical cell wherein the additive includes an N—O bond. The additive is most preferably included in a nonaqueous electrolyte of the cell. Also disclosed are cells and batteries including the additive, and methods of charging the batteries and cells. An electrochemical cell including the additive preferably has an anode that includes lithium and a cathode including an electroactive sulfur-containing material.
    Type: Application
    Filed: July 29, 2014
    Publication date: November 13, 2014
    Inventor: Yuriy V. Mikhaylik
  • Patent number: 8871384
    Abstract: There is provided a non-aqueous electrolytic solution comprising an electrolyte salt, a specific fluorine-containing solvent and a fluorine-containing cyclic carbonate represented by the formula (A1): wherein X1 to X4 are the same or different and each is —H, —F, —CF3, —CHF2, —CH2F, —CF2CF3, —CH2CF3 or —CH2OCH2CF2CF3; at least one of X1 to X4 is —F, —CF3, —CF2CF3, —CH2CF3 or —CH2OCH2CF2CF3, and the non-aqueous electrolytic solution has further excellent noncombustibility and is suitable for lithium secondary batteries.
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: October 28, 2014
    Assignee: Daikin Industries, Ltd.
    Inventors: Meiten Koh, Hideo Sakata, Hitomi Nakazawa, Michiru Tanaka, Akiyoshi Yamauchi
  • Patent number: 8865350
    Abstract: A nonaqueous electrolyte battery is provided and includes a positive electrode, a negative electrode having a negative electrode active material layer containing a negative electrode active material, a separator disposed between the positive electrode and the negative electrode, and a non-fluid electrolyte. The non-fluid electrolyte contains an electrolyte salt, a nonaqueous solvent, an orthoester compound represented by the following formula (1), and at least one member selected from the group consisting of cyclic carbonate compounds represented by the following formula (2) to (5). A volume viscosity of the negative electrode active material layer is 1.50 g/cc or more and not more than 1.75 g/cc, and a specific surface area of the negative electrode active material is 0.8 m2/g or more and not more than 4.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: October 21, 2014
    Assignee: Sony Corporation
    Inventors: Ichiro Yamada, Tadahiko Kubota
  • Patent number: 8828610
    Abstract: Disclosed is an additive for an electrochemical cell wherein the additive includes an N—O bond. The additive is most preferably included in a nonaqueous electrolyte of the cell. Also disclosed are cells and batteries including the additive, and methods of charging the batteries and cells. An electrochemical cell including the additive preferably has an anode that includes lithium and a cathode including an electroactive sulfur-containing material.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: September 9, 2014
    Assignee: Sion Power Corporation
    Inventor: Yuriy V. Mikhaylik
  • Patent number: 8802299
    Abstract: The present invention is made to improve charge-discharge cycle performances under high temperature environment in a non-aqueous electrolyte secondary battery using a negative electrode containing a negative electrode active material of particulate silicon and/or silicon alloy and a binding agent.
    Type: Grant
    Filed: August 4, 2009
    Date of Patent: August 12, 2014
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Hidekazu Yamamoto, Atsushi Fukui, Taizou Sunano, Maruo Kamino
  • Publication number: 20140220417
    Abstract: The present invention provides an electrolyte for lithium and/or lithium-ion batteries comprising a lithium salt in a liquid carrier comprising heteroaromatic compound including a five-membered or six-membered heteroaromatic ring moiety selected from the group consisting of a furan, a pyrazine, a triazine, a pyrrole, and a thiophene, the heteroaromatic ring moiety bearing least one carboxylic ester or carboxylic anhydride substituent bound to at least one carbon atom of the heteroaromatic ring. Preferred heteroaromatic ring moieties include pyridine compounds, pyrazine compounds, pyrrole compounds, furan compounds, and thiophene compounds.
    Type: Application
    Filed: February 12, 2014
    Publication date: August 7, 2014
    Applicant: UCHICAGO ARGONNE, LLC
    Inventors: Gang CHENG, Daniel P. ABRAHAM
  • Patent number: 8771881
    Abstract: An electrolyte for a lithium ion secondary battery includes a non-aqueous organic solvent; a lithium salt; and a phosphonitrile fluoride trimer as an additive, and a lithium ion secondary battery comprising the same. The thickness increase rate of a lithium ion secondary battery including the electrolyte is reduced even when the battery is kept at a high temperature. Thus, the thermal stability and durability of the battery are prominently improved. The durability of the battery can be further improved by including a vinylene carbonate or ethylene carbonate group compound in the electrolyte.
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: July 8, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jinsung Kim, Narae Park, Jinhyunk Lim, Suhee Han, Jinbum Kim, Jungkang Oh
  • Publication number: 20140186721
    Abstract: An electrolyte including an alkali metal salt; a polar aprotic solvent; and a triazinane trione; wherein the electrolyte is substantially non-aqueous.
    Type: Application
    Filed: March 4, 2014
    Publication date: July 3, 2014
    Applicant: UCHICAGO ARGONNE, LLC
    Inventors: Lu Zhang, Zhengcheng Zhang, Khalil Amine
  • Publication number: 20140154588
    Abstract: A method for preparing an ionic liquid nanoscale ionic material, the ionic liquid nanoscale ionic material and a battery that includes a battery electrolyte that comprises the ionic liquid nanoscale ionic material each provide superior performance. The superior performance may be manifested within the context of inhibited lithium dendrite formation.
    Type: Application
    Filed: July 10, 2012
    Publication date: June 5, 2014
    Applicant: CORNELL UNIVERSITY
    Inventors: Lynden A. Archer, Surya S. Moganty, Yingying Lu
  • Publication number: 20140141342
    Abstract: The present invention relates to an electrolyte for a lithium secondary battery and a lithium secondary battery including the same, wherein the electrolyte comprises an organic solvent and an electrolyte additive, represented by chemical formula 1 and mixed lithium salts in the organic solvent so that room and high temperature life-time properties of the battery can be improved. Said chemical 1 is defined in the specification.
    Type: Application
    Filed: July 12, 2012
    Publication date: May 22, 2014
    Inventors: Hyeong Kyu Lim, Hong Hie Lee, Eun Gi Shim, Jong Su Kim, Chang Sin Lee, Kyung Il Park, Hahn Mok Song
  • Publication number: 20140080007
    Abstract: The present application provides a nonaqueous electrolyte secondary battery that includes, a cathode capable of being electrochemically doped/dedoped with lithium, an anode capable of being electrochemically doped/dedoped with lithium, and an electrolyte placed between the cathode and the anode, wherein the electrolyte contains at least one of fluoro ethylene carbonate represented by Chemical Formula (1) and difluoro ethylene carbonate represented by Chemical Formula (2) as a solvent and the ratio of a discharge capacity B during discharging at a 5C rate to a discharge capacity A during discharging at a 0.2C rate ((B/A)×100) is 80% or more.
    Type: Application
    Filed: November 19, 2013
    Publication date: March 20, 2014
    Applicant: Sony Corporation
    Inventors: Akira Yamaguchi, Kunihiko Hayashi, Tadahiko Kubota, Hiroyuki Suzuki, Akira Ichihashi, Yuzuru Fukushima, Hironori Sato, Masaki Kuratsuka, Hideto Watanabe, Kimio Tajima, Masahiro Miyamoto
  • Publication number: 20140080008
    Abstract: Use of an electrolyte for an electrochemical cell and a method for manufacturing an electrochemical cell comprising such an electrolyte. The electrolyte comprises at least one conductive salt comprising lithium ions, at least one solvent and at least one wetting agent. The electrochemical cell comprises at least one anode, at least one cathode and at least one separator arranged between the at least one anode and the at least one cathode. The electrolyte may be filled between the at least one anode and the at least one cathode.
    Type: Application
    Filed: November 24, 2013
    Publication date: March 20, 2014
    Applicant: Leclanche' SA
    Inventors: Pierre Blanc, Hilmi Buqa, Karl Heinz Pettinger
  • Publication number: 20140062411
    Abstract: Methods and articles relating to separation of electrolyte compositions within lithium batteries are provided. The lithium batteries described herein may include an anode having lithium as the active anode species and a cathode having sulfur as the active cathode species. Suitable electrolytes for the lithium batteries can comprise a heterogeneous electrolyte including a first electrolyte solvent (e.g., dioxolane (DOL)) that partitions towards the anode and is favorable towards the anode (referred to herein as an “anode-side electrolyte solvent”) and a second electrolyte solvent (e.g., 1,2-dimethoxyethane (DME)) that partitions towards the cathode and is favorable towards the cathode (and referred to herein as an “cathode-side electrolyte solvent”).
    Type: Application
    Filed: November 13, 2013
    Publication date: March 6, 2014
    Applicant: SION POWER CORPORATION
    Inventors: Yuriy V. Mikhaylik, CHARICLEA SCORDILIS-KELLEY, IGOR P. KOVALEV, CATHIE BURGESS
  • Publication number: 20140023935
    Abstract: Provided is a lithium secondary cell of 5V class having a positive electrode operating voltage of 4.5V or higher with respect to metallic lithium; the lithium secondary cell has high energy density, inhibits degradation of the electrolytic solution that comes in contact with the positive electrode and the negative electrode, and has particularly long cell life when used under high-temperature environments.
    Type: Application
    Filed: April 13, 2012
    Publication date: January 23, 2014
    Applicant: NEC Corporation
    Inventors: Takehiro Noguchi, Hideaki Sasaki, Makiko Uehara, Kazuaki Matsumoto, Hiroshi Hatakeyama
  • Patent number: 8632917
    Abstract: An organic electrolyte solution includes a lithium salt; an organic solvent including a high permittivity solvent and a low boiling solvent; and a vinyl-based compound represented by Formula 1 below, wherein m and n are each independently integers of 1 to 10; X1, X2, and X3 each independently represent O, S, or NR9; and R1, R2, R3, R4, R5, R6, R7, R8, and R9 are represented in the detailed description. The organic electrolyte solution of the present invention and a lithium battery using the same suppress degradation of an electrolyte, providing improved cycle properties and life span thereof.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: January 21, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seok-soo Lee, Young-gyonn Ryu, Seung-sik Hwang, Dong-joon Lee, Boris A. Trofimov
  • Publication number: 20140017571
    Abstract: 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 supercapacitor. A representative liquid or gel separator 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. 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-methylimidalzolium tetrafluoroborate ionic liquid; and the polymer comprises polyvinyl alcohol (“PVA”) or polyvinylidene fluoride (“PVFD”).
    Type: Application
    Filed: August 9, 2012
    Publication date: January 16, 2014
    Applicant: NTHDEGREE TECHNOLOGIES WORLDWIDE INC.
    Inventors: Vera Nicholaevna Lockett, Mark D. Lowenthal, Neil O. Shotton, William Johnstone Ray, Theodore I. Kamins
  • Patent number: 8546021
    Abstract: A non-aqueous electrolyte solution for a lithium secondary battery includes a lithium salt and an organic solvent and further includes a solvent having a fluoro group and a specific siloxane compound. A lithium secondary battery having the above non-aqueous electrolyte solution exhibits greatly improved capacity recovery characteristics after high temperature storage and also reduces side effects such as swelling.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: October 1, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Soo-Jin Kim, Jeong-Ju Cho, Su-Jin Yoon, Mi-Young Son, Jong-Ho Jeon
  • Patent number: 8546024
    Abstract: A lithium secondary battery has an anode, a cathode, a separator between the anode and the cathode and a non-aqueous electrolyte. The non-aqueous electrolyte includes a lithium salt; and a non-linear carbonate-based mixed organic solvent in which (a) a cyclic carbonate compound, and (b) a propionate-based compound are mixed at a volume ratio (a:b) in the range from about 10:90 to about 70:30, and optionally (c) a vinylene carbonate; and an inhibitor against a reaction between the anode and the propionate-based ester compound. The cathode has a current density in the range from about 3.5 to about 5.5 mA/cm2 and a porosity in the range from about 18 to about 35%. This battery may be manufactured as a high-loading lithium secondary battery.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: October 1, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Jong-Ho Jeon, Jeong-Ju Cho, Ho-Chun Lee
  • Patent number: 8535833
    Abstract: A non-aqueous electrolyte solution for a lithium secondary battery comprises a lithium salt and an organic solvent. The non-aqueous electrolyte solution further comprises a specific siloxane compound and a sulfonate compound. This non-aqueous electrolyte solution solves the capacity degradation phenomenon, which appears in a lithium secondary battery using a non-aqueous electrolyte solution containing only a specific siloxane compound when the lithium secondary battery is used for a long time, so this non-aqueous electrolyte solution is especially useful for high-capacity batteries.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: September 17, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Soo-Jin Kim, Jeong-Ju Cho, Su-Jin Yoon, Yong-Joon Ha, Chul-Haeng Lee, Jeong-Hwan Koh
  • Patent number: 8455142
    Abstract: A non-aqueous electrolyte can suppress decomposition of a solvent, improve the cycle life of a secondary battery, suppress the rise of resistance of a secondary battery and improve the capacity maintenance ratio of a secondary battery.
    Type: Grant
    Filed: April 7, 2009
    Date of Patent: June 4, 2013
    Assignee: NEC Energy Devices, Ltd.
    Inventors: Hitoshi Ishikawa, Yasutaka Kono, Koji Utsugi, Yoko Hashizume, Shinako Kaneko, Hiroshi Kobayashi
  • Patent number: 8455143
    Abstract: A non-aqueous electrolyte solution for a lithium ion secondary battery includes a lithium salt and an organic solvent. The organic solvent includes a carbonate compound, a linear ester compound and a linear ester decomposition inhibitor. This non-aqueous electrolyte solution restrains swelling while improving low temperature charging/discharging characteristics of the secondary battery in comparison to a conventional electrolyte since it contains the linear ester compound and the linear ester decomposition inhibitor. The non-aqueous electrolyte solution may be used in making a lithium ion secondary battery.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: June 4, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Ho-Chun Lee, Jong-Ho Jeon, Jeong-Ju Cho
  • Publication number: 20130122378
    Abstract: An electrolyte solution for a rechargeable lithium battery that includes a lithium salt; a non-aqueous organic solvent including ethyl acetate; and an additive including a sultone-based compound, wherein the sultone-based compound is included in an amount ranging from 0.1 to 5 wt % based on the total amount of the electrolyte solution is provided.
    Type: Application
    Filed: August 17, 2012
    Publication date: May 16, 2013
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Mi-Hyeun Oh, Ho-Seok Yang, Dai-In Park, Jin-Hyunk Lim
  • Patent number: 8435681
    Abstract: A non-aqueous electrolyte solution containing a lithium salt, a non-aqueous solvent, and a compound expressed by the following formula (IIc): wherein Z6 represents an integer of 2 or larger, X6 represents a Z6-valent hydrocarbon group having 2-6 carbon atoms, R61 represents, independently of each other, an alkyl group having 1-6 carbon atoms, R62 represents, independently of each other, an alkyl group having 1-6 carbon atoms substituted by one or more halogen atoms and any two or more of R61 and/or R62 may be linked with each other to form a ring.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: May 7, 2013
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Teppei Yamada, Takashi Fujii, Shinichi Kinoshita
  • Patent number: 8415058
    Abstract: A nonaqueous secondary battery having a positive electrode having a positive electrode mixture layer, a negative electrode, and a nonaqueous electrolyte, in which the positive electrode contains, as an active material, a lithium-containing transition metal oxide containing a metal element selected from the group consisting of Mg, Ti, Zr, Ge, Nb, Al and Sn, the positive electrode mixture layer has a density of 3.
    Type: Grant
    Filed: June 12, 2012
    Date of Patent: April 9, 2013
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Hideo Sakata, Fusaji Kita, Kumiko Ishizuka
  • 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
  • Patent number: 8372548
    Abstract: An organic electrolytic solution including: a lithium salt; an organic solvent; and a compound represented by Formula 1 below, and a lithium battery including the organic electrolytic solution. In Formula 1: R1, R2, and R3 may be each independently a hydrogen atom, a C1 to C10 alkyl group, a C6 to C10 cycloalkyl group, a C6 to C10 aryl group, a C2 to C10 alkenyl group, or a C2 to C10 alkynyl group; X is C (R2) or nitrogen; and n is an integer ranging from 1 to 5.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: February 12, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seok-soo Lee, Young-gyoon Ryu, Dong-joon Lee
  • 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
  • Patent number: 8304117
    Abstract: 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: Grant
    Filed: December 28, 2007
    Date of Patent: November 6, 2012
    Assignee: Industrial Technology Research Institute
    Inventors: Yueh-Wei Lin, Tsung-Hsiung Wang, Jing-Pin Pan, Chang-Rung Yang, Jung-Mu Hsu
  • Publication number: 20120251893
    Abstract: A nonaqueous secondary battery having a positive electrode having a positive electrode mixture layer, a negative electrode, and a nonaqueous electrolyte, in which the positive electrode contains, as an active material, a lithium-containing transition metal oxide containing a metal element selected from the group consisting of Mg, Ti, Zr, Ge, Nb, Al and Sn, the positive electrode mixture layer has a density of 3.
    Type: Application
    Filed: June 12, 2012
    Publication date: October 4, 2012
    Inventors: Hideo SAKATA, Fusaji Kita, Kumiko Ishizuka
  • 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: 20120156572
    Abstract: Disclosed are an electrode active material for a power storage device and a power storage device including the same. The electrode active material includes a polymer that includes: a tetravalent group derived from a compound selected from the group consisting of EBDT and derivatives thereof, TTF and derivatives thereof, a condensation product of EBDT and TTF and derivatives thereof, and a TTF dimer and derivatives thereof; and a divalent group —S-A-S— where A is a divalent aliphatic group or a divalent group represented by the formula -E-D-E- where D represents a divalent alicyclic group, a divalent aromatic group, or a carbonyl group, and two Es each independently represent a divalent aliphatic group. Adjacent two tetravalent groups mentioned above are linked by one or two divalent groups mentioned above.
    Type: Application
    Filed: February 15, 2011
    Publication date: June 21, 2012
    Inventors: Nobuhiko Hojo, Yu Ohtsuka, Takafumi Tsukagoshi, Yohji Misaki
  • Patent number: 8192874
    Abstract: Disclosed is a lithium secondary battery using a cathode containing a lithium-containing transition metal oxide and an anode containing graphitized carbon, characterized in that an ammonium compound capable of providing ammonium ions is added to a non-aqueous electrolyte. Therefore, the present invention provides a lithium secondary battery having improved high-temperature performance by reducing decreases of residual capacity and recovery capacity resulting from high-temperature storage of the battery, via addition of such an ammonium compound.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: June 5, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Soo ik Jo, Jisang Yu, Byungchul Choi, Changjoo Han
  • Publication number: 20120135298
    Abstract: Disclosed is a non-aqueous electrolyte secondary battery including a cathode, an anode, and a non-aqueous electrolyte containing a non-aqueous solvent and an electrolyte salt, wherein the non-aqueous electrolyte contains an orthocarbonate ester compound represented by Formula (1) and cyclic carbonate ester compounds represented by Formulae (2) to (5). (wherein R1 to R4 each independently represent an alkyl group, an alkyl halide group or an aryl group and R1 to R4 may be joined together to form a ring.) (wherein R5 to R8 each independently represent a hydrogen group, an alkyl group or an alkyl halide group and at least one of R5 to R8 represents a halogen group or an alkyl halide group.) (wherein R9 and R10 each independently represent a hydrogen group, an alkyl group, a halogen group or an alkyl halide group.
    Type: Application
    Filed: November 28, 2011
    Publication date: May 31, 2012
    Applicant: Sony Corporation
    Inventors: Ichiro Yamada, Tadahiko Kubota
  • Publication number: 20120129053
    Abstract: Disclosed is an electrochemical device comprising a cathode having a complex formed between a surface of a cathode active material and an aliphatic di-nitrile compound; and a non-aqueous electrolyte containing 1-10 wt % of a compound of Formula 1 or its decomposition product based on the weight of the electrolyte.
    Type: Application
    Filed: February 1, 2012
    Publication date: May 24, 2012
    Applicant: LG CHEM, LTD.
    Inventors: Young-Soo Kim, Soon-Ho Ahn, Soo-Hyun Ha
  • Publication number: 20120129054
    Abstract: A silicon anode battery comprises: a housing; a battery core comprising a cathode, a silicon anode, and a separator disposed between the cathode and the silicon anode; and an electrolyte comprising at least one lithium salt, a non-aqueous solvent, and an additive, wherein the additive comprises diallyl pyrocarbonate.
    Type: Application
    Filed: November 22, 2011
    Publication date: May 24, 2012
    Inventors: Haiyan HUANG, Weiping Liu
  • Publication number: 20120115042
    Abstract: Nonaqueous electrolytes which can produce a battery of high capacity and excellent storability and cycle characteristics are provided, as are batteries produced with the electrolytes. The electrolytes include ones with (i) an aromatic compound having 7-18 carbon atoms in total and a fluorinated cyclic carbonate having two or more fluorine atoms, (ii) diethyl carbonate and a fluorinated cyclic carbonate having two or more fluorine atoms, (iii) at least one of a cyclic sulfonic acid ester compound, disulfonic acid ester compound, nitrile compound, and a compound of formula (1) and a fluorinated cyclic carbonate having two or more fluorine atoms, or (iv) a nonaqueous electrolyte solution for use in a high-voltage battery having a final charge voltage of 4.3 V or higher and having a fluorinated cyclic carbonate with two or more fluorine atoms.
    Type: Application
    Filed: January 19, 2012
    Publication date: May 10, 2012
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Minoru KOTATO, Shinichi Kinoshita
  • Publication number: 20120115041
    Abstract: One example of the disiloxanes include a backbone with a first silicon and a second silicon. The first silicon is linked to a first substituent selected from a group consisting of: a first side chain that includes a cyclic carbonate moiety; a first side chain that includes a poly(alkylene oxide) moiety; and a first cross link links the disiloxane to a second siloxane and that includes a poly(alkylene oxide) moiety. In some instance, the second silicon is linked to a second substituent selected from a group consisting of: a second side chain that includes a cyclic carbonate moiety, and a second side chain that includes a poly(alkylene oxide) moiety.
    Type: Application
    Filed: December 12, 2011
    Publication date: May 10, 2012
    Inventors: Robert C. West, Khalil Amine, Zhengcheng Zhang, Qingzheng Wang, Nicholas Agostino Antonio Rossi, Donald R. Vissers
  • Patent number: 8173298
    Abstract: An electrolyte for a lithium battery includes a non-aqueous organic solvent, a lithium salt, and an additive comprising a) a compound represented by the following Formula (1), and b) a compound selected from the group consisting of a sulfone-based compound, a poly(ester)(metha)acrylate, a polymer of poly(ester)(metha)acrylate, and a mixture thereof: wherein R1 is a C1 to C10 alkyl, a C1 to C10 alkoxy, or a C6 to C10 aryl, and preferably a methyl, ethyl, or methoxy, X is a halogen, and m and n are integers ranging from 1 to 5, where m+n is less than or equal to 6.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: May 8, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jun-Ho Kim, Ha-Young Lee, Sang-Hoon Choy, Ho-Sung Kim, Hyeong-Gon Noh