Chemically Specified Organic Solute Patents (Class 429/307)
  • Patent number: 10581116
    Abstract: An electrolyte membrane for an energy storage device, an energy storage device including: a matrix including an ionically conductive polymer composition including a polymer and a lithium salt; and a metal-organic framework in the matrix, wherein the metal-organic frame work is in the form of a plurality of primary particles, each having diameter distribution represented by Inequation 1: 0<?2/?<1.0??Inequation 1 wherein, in Inequiation 1, ?2 is a diameter variance for the plurality of primary particles obtained by dynamic laser scattering, and ? is an average particle diameter of the plurality of primary particles.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: March 3, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hongsoo Choi, Yonggun Lee, Jenam Lee
  • Patent number: 10351672
    Abstract: A polymer compound is formed by condensing a polyacrylic acid, a polyfunctional amine represented by the following general formula (1), and an aromatic monoamine. A chain structure constituted by the polyacrylic acid has free carboxyl groups and carboxyl groups to which the aromatic monoamines are bonded. Y is a straight-chain alkyl group having 1 to 4 carbon atoms, a phenylene group, or an oxygen atom. R1 and R2 are each independently one or more hydrogen atoms, a methyl group, an ethyl group, a trifluoromethyl group, or a methoxy group.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: July 16, 2019
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Yuta Nakagawa, Yusuke Sugiyama
  • Patent number: 10308587
    Abstract: Provided herein are functionally substituted fluoropolymers suitable for use in liquid and solid non-flammable electrolyte compositions. The functionally substituted fluoropolymers include perfluoropolyethers (PFPEs) having high ionic conductivity. Also provided are non-flammable electrolyte compositions including functionally substituted PFPEs and alkali-metal ion batteries including the non-flammable electrolyte compositions.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: June 4, 2019
    Assignee: Blue Current, Inc.
    Inventors: Alexander Teran, Benjamin Rupert, Eduard Nasybulin, Joanna Burdynska
  • Patent number: 10249907
    Abstract: Provided is a nonaqueous electrolyte secondary battery with better battery performance than in the past, by forming an SEI coat with very little non-uniformity on the surface of the negative electrode active material layer. The invention provides a nonaqueous electrolyte secondary battery in which an electrode assembly including a positive electrode, a separator, and a negative electrode, and a nonaqueous electrolyte are contained in a battery case. In this secondary battery, the nonaqueous electrolyte contains a crown ether that forms a complex with a sodium ion, and the negative electrode includes a negative current collector, a negative electrode active material layer containing a negative electrode active material formed on the surface of the current collector, and a coat including an oxalato complex structure and provided on at least part of the surface of the negative electrode active material layer.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: April 2, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takahiro Sakurai, Hiroyasu Kado, Hirohiko Morikawa, Hisanao Kojima
  • Patent number: 10050307
    Abstract: A non-aqueous electrolytic solution comprising a non-aqueous solvent and an electrolyte, which further contains a combination of a nitrile compound and an S?O group-containing compound (or a dinitrile compound) in an amount of 0.001 to 10 wt. % imparts improved cycle performance and storage property to a lithium battery, particularly a lithium secondary battery.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: August 14, 2018
    Assignee: UBE INDUSTRIES, LTD.
    Inventors: Koji Abe, Takashi Hattori, Yasuo Matsumori
  • Patent number: 10050306
    Abstract: An electrolyte containing a non-aqueous solvent, a lithium salt (A) and at least one compound (B) selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2) and a compound having a constitutional unit represented by the following formula (3a) and a constitutional unit represented by the following formula (3b).
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: August 14, 2018
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Shinya Hamasaki, Fumiaki Ozaki, Yusuke Shigemori, Masato Murakami, Asami Ohashi
  • Patent number: 9997805
    Abstract: An electrolyte containing a non-aqueous solvent, a lithium salt (A) and at least one compound (B) selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2) and a compound having a constitutional unit represented by the following formula (3a) and a constitutional unit represented by the following formula (3b).
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: June 12, 2018
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Shinya Hamasaki, Fumiaki Ozaki, Yusuke Shigemori, Masato Murakami, Asami Ohashi
  • Patent number: 9979048
    Abstract: A polymer electrolyte for a lithium battery, wherein the polymer electrolyte includes a polymerization product of a lithium ion conductive compound including an ethylenically unsaturated bond, a lithium ion conductive unit, and an ion-exchangeable functional group; and a heteroatom-containing ionic liquid polymerizable with the lithium ion conductive compound.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: May 22, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myungjin Lee, Jehwon Choi, Soyeon Kim, Dahye Park, Joungwon Park, Yonggun Lee
  • Patent number: 9966782
    Abstract: A battery assembly including: at least one rechargeable lithium battery including a negative electrode including a silicon-containing negative active material selected from silicon, a silicon-carbon composite, and a combination thereof, and a positive electrode including a positive active material; a circuit board electrically connected to the battery assembly; and an outer terminal electrically connecting the battery assembly to an outer power or an outer load, wherein the circuit board includes a charge/discharge element for charging and discharging the battery assembly and a charge/discharge controller electrically connected to the battery assembly and the charge/discharge element, wherein the charge/discharge controller controls the charge and discharge of the battery assembly, and wherein a discharge cut-off voltage of the charge/discharge controller is predetermined as a voltage when LixSi present in the negative electrode during the discharge has an x value of less than or equal to about 1.25.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: May 8, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Hee Cho, Seong Woon Booh, Changhoon Jung, Eun Seog Cho
  • Patent number: 9929435
    Abstract: An electrolyte structure includes a metal organic framework (MOF) material defining a plurality of pores. Anions are bound to respective metal atoms of the MOF material. The bound anions are located within each of the plurality of pores of the MOF material. Solvated cations are present within each of the plurality of pores.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: March 27, 2018
    Assignees: GM GLOBAL TECHNOLOGY OPERATIONS LLC, THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Mei Cai, Yunfeng Lu, Li Yang, Fang Dai, Jingmei Shen, Addis Fuhr, Li Shen
  • Patent number: 9923246
    Abstract: Provided is an electrolytic solution including a nonaqueous solvent and an alkali metal salt. The alkali metal salt is dissolved in the nonaqueous solvent. The nonaqueous solvent contains a perfluoropolyether and a fluorinated phosphate. Also provided is a battery including the electrolytic solution, a positive electrode containing a positive electrode active material that can occlude and release an alkali metal cation, and a negative electrode containing a negative electrode active material that can occlude and release the alkali metal cation.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: March 20, 2018
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hirotetsu Suzuki, Nobuhiko Hojo
  • Patent number: 9889403
    Abstract: Disclosed is a method for the selective catalytic reduction of NOx in waste/exhaust gas by using ammonia provides by heating one or more salts of formula Ma(NH3)nXz, wherein M represents one or more cations selected from alkaline earth metals and transition metals, X represents one or more anions, a represents the number of cations per salt molecule, z represents the number of anions per salt molecule, and n is a number of from 2 to 12, the one or more salts having been compressed to a bulk density above 70% of the skeleton density before use thereof.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: February 13, 2018
    Assignee: AMMINEX EMISSIONS TECHNOLOGY A/S
    Inventors: Claus Hviid Christensen, Tue Johannessen, Ulrich Quaade, Jens Kehlet Nørskov, Rasmus Zink Sørensen
  • Patent number: 9705149
    Abstract: A nonaqueous electrolyte composition includes an electrolyte salt, a nonaqueous solvent, a matrix polymer, and a ceramic powder, wherein the ceramic powder has an average particle size of 0.1 to 2.5 ?m and a BET specific surface area of 0.5 to 11 m2/g.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: July 11, 2017
    Assignee: Sony Corporation
    Inventor: Masaki Machida
  • Patent number: 9685661
    Abstract: A secondary battery includes a cathode, an anode, and an electrolytic solution. The anode or the electrolytic solution, or both contain a metal salt including an unsaturated carbon bond.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: June 20, 2017
    Assignee: Sony Corporation
    Inventors: Ichiro Yamada, Hideki Nakai, Toshio Nishi, Tadahiko Kubota
  • Patent number: 9660295
    Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery, the electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive represented by the following Chemical Formula 1: wherein, in Chemical Formula 1, R1 to R3 are each independently a substituted or unsubstituted C1 to C10 alkylene group, a substituted or unsubstituted C3 to C30 cycloalkylene group, a substituted or unsubstituted C6 to C30 arylene group, or a substituted or unsubstituted C2 to C30 heteroarylene group.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: May 23, 2017
    Assignee: Samsung SDI CO., Ltd.
    Inventors: Hee-Yeon Hwang, Ho-Seok Yang, Yun-Hee Kim, Jin-Hyeok Lim, Min-Young Lee, Se-Jeong Park, Hyun-Woo Kim
  • Patent number: 9620807
    Abstract: The present invention relates to a cable-type secondary battery comprising a polymer electrolyte having a first electrolyte layer comprising a mixture of a first polymer and a first organic electrolyte solution in a weight ratio of 50:50 and 80:20; and a second electrolyte layer formed on at least one surface of the first electrolyte layer and comprising a mixture of a second polymer and a second organic electrolyte solution in a weight ratio of 20:80 and 50:50. Since the multiple-layered polymer electrode film of the present invention exhibits good characteristics in terms of both mechanical property and ionic conductivity, the cable-type secondary battery comprising the same according to the present invention has superior battery performances and flexibility, as well as good strength for withstanding external impact.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: April 11, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Yo-Han Kwon, Sung-Kyun Chang, Byung-Hun Oh, Je-Young Kim, Dong-Sub Jung, Sang-Wook Woo
  • Patent number: 9583791
    Abstract: An electrolytic solution and a battery capable of improving cycle characteristics are provided. A separator is impregnated with an electrolytic solution. The electrolytic solution includes a cyclic carbonate derivative having a halogen atom such as 4-fluoro-1,3-dioxolane-2-one or 4-chloro-1,3-dioxolane-2-one and a cyclic imide salt such as 1,1,2,2,3,3-hexafluoropropane-1,3-disulfonimide lithium. Thereby, the decomposition reaction of the electrolytic solution can be inhibited, and the cycle characteristics can be improved.
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: February 28, 2017
    Assignee: SONY CORPORATION
    Inventors: Atsumichi Kawashima, Masayuki Ihara, Hiroyuki Yamaguchi, Hiroshi Horiuchi, Tadahiko Kubota, Akira Yamaguchi, Kumiko Takagi
  • Patent number: 9455471
    Abstract: An electrode for all-solid-state secondary batteries, which is capable of improving the high-temperature cycle characteristics of an all-solid-state secondary battery, includes a collector, a conductive adhesive layer and an electrode mixture layer. The electrode mixture layer contains a binder, an inorganic solid electrolyte that contains sulfur atoms, and an electrode active material. The conductive adhesive layer contains conductive particles and a binder for adhesive layers, the binder being composed of a diene polymer. The diene polymer contains 10-75% by mass of a diene monomer unit, and has an iodine number of 5-350 mg/100 mg. The sulfur atoms contained in the inorganic solid electrolyte and carbon-carbon double bonds of the diene polymer are crosslinked with each other.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: September 27, 2016
    Assignee: ZEON CORPORATION
    Inventor: Naoki Yoshida
  • Patent number: 9447217
    Abstract: A hydrophilic cross-linked polymer obtainable by copolymerisation of hydrophobic and hydrophilic monomers that give a cross-linked hydrophilic polymer on polymerisation; a monomer including a strongly ionic group; and water is useful as the membrane in an assembly that can be used in an electrolyter or fuel cell. More generally, a membrane electrode assembly comprises electrodes and an ion-exchange membrane which comprises a hydrophilic polymer including a strongly ionic group. A method for producing a membrane electrode assembly comprising electrodes and an ion-exchange membrane, comprises introducing between the electrodes a material or materials from which the membrane can be formed, and forming the membrane in situ.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: September 20, 2016
    Assignee: ITM POWER (RESEARCH) LIMITED
    Inventor: Donald James Highgate
  • Patent number: 9429808
    Abstract: An electrochromic device including a substrate, an electrolyte placed between a first optically-active electrochromic electrode and a second optically-passive electrochromic electrode, and a quantity X of cations. The first electrode is capable of storing a quantity of cations equal to Y while the second electrode is capable of storing a quantity of cations equal to Z. The first electrode and the second electrode are respectively associated with a first current collector and with a second current collector. The device includes a quantity of cations X such that Y<X<0.30 Z.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: August 30, 2016
    Assignee: Commissariat a l'Energie Atomique et aux Energies Alternatives
    Inventors: Sami Oukassi, Christophe Dubarry
  • Patent number: 9368832
    Abstract: An electrolyte electrochemical device includes an anodic material and an electrolyte, the electrolyte including an organosilicon solvent, a salt, and a hybrid additiving having a first and a second compound, the hybrid additive configured to form a solid electrolyte interphase film on the anodic material upon application of a potential to the electrochemical device.
    Type: Grant
    Filed: July 18, 2012
    Date of Patent: June 14, 2016
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Zhengcheng Zhang, Jian Dong, Khalil Amine
  • Patent number: 9350005
    Abstract: Batteries, separators, battery packs, electronic devices, electromotive vehicles, power storage apparatus, and electric power systems are provided. In one embodiment, a battery includes a positive electrode, a negative electrode, and an electrolytic solution holding layer between the positive electrode and the negative electrode. The electrolytic solution holding layer includes a porous polymer compound, and an electrolytic solution is held in the porous polymer compound. The porous polymer compound includes a vinylidene fluoride polymer selected from the group consisting of (1) a vinylidene fluoride homopolymer and (2) a copolymer including a vinylidene fluoride monomer unit and a hexafluoropropylene monomer unit. The average molecular weight of the vinylidene fluoride polymer is 500,000 or more to less than 1.5 million, and the air permeability of the porous polymer compound is 500 seconds/100 cc or less.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: May 24, 2016
    Assignee: Sony Corporation
    Inventor: Atsushi Nishimoto
  • Patent number: 9196928
    Abstract: An electrolyte solution for a rechargeable lithium battery, including a lithium salt, a non-aqueous organic solvent, and an additive including fluoroethylene carbonate, a vinyl-containing carbonate, a substituted or unsubstituted C2 to C10 cyclic sulfate, and a nitrile-based compound represented by the following Chemical Formula 1: wherein, in Chemical Formula 1, R may be a substituted or unsubstituted C1 to C20 alkylene group.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: November 24, 2015
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Hee-Sun Yun, Yong-Beom Lee, Kwang-Jo Cheong, Soo-Mi Eo
  • Patent number: 9184468
    Abstract: Provided are electrochemical cells and electrolytes used to build such cells. The electrolytes include imide salts and/or methide salts as well as fluorinated solvents capable of maintaining single phase solutions at between about ?30° C. to about 80° C. The fluorinated solvents, such as fluorinated carbonates, fluorinated esters, and fluorinated esters, are less flammable than their non-fluorinated counterparts and improve safety characteristics of cells containing these solvents. The amount of fluorinated solvents in electrolytes may be between about 30% and 80% by weight not accounting weight of the salts. Linear and cyclic imide salts, such as LiN(SO2CF2CF3)2, and LiN(SO2CF3)2, as well as methide salts, such as LiC(SO2CF3)3 and LiC(SO2CF2CF3)3, may be used in these electrolytes. Fluorinated alkyl groups enhance solubility of these salts in the fluorinated solvents. In some embodiments, the electrolyte may also include a flame retardant, such as a phosphazene, and/or one or more ionic liquids.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: November 10, 2015
    Assignee: A123 Systems LLC
    Inventors: Konstantin Tikhonov, Ka Ki Yip, Tzu-Yuan Lin, Norman Lei, Guillermo Guerrero-Zavala, Kristie W. Kwong
  • Patent number: 9156692
    Abstract: According to the method for producing bis(fluorosulfonyl)imide salt of the present invention, the method for producing fluorosulfate, and the method for producing bis(fluorosulfonyl)imide onium salt, first, an aqueous solution is prepared by dissolving a mixed liquid containing bis(fluorosulfonyl)imide and fluorosulfonic acid in water. Then, the aqueous solution is neutralized with an alkaline compound, producing bis(fluorosulfonyl)imide salt and fluorosulfate. In the methods, bis(fluorosulfonyl)imide salt, fluorosulfate, and bis(fluorosulfonyl)imide onium salt can be obtained safely and easily.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: October 13, 2015
    Assignee: Mitsubishi Materials Electronic Chemicals Co., Ltd.
    Inventors: Tsunetoshi Honda, Takeshi Kamiya
  • Patent number: 9153841
    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: Grant
    Filed: April 28, 2011
    Date of Patent: October 6, 2015
    Assignees: SANYO Electric Co., Ltd., MITSUBISHI CHEMICAL CORPORATION
    Inventors: Hidekazu Yamamoto, Kouhei Tuduki, Taizou Sunano, Maruo Kamino, Youichi Ohashi, Minoru Kotato
  • Patent number: 9123973
    Abstract: The present disclosure relates to an electrolyte for a lithium secondary battery capable of improving safety and reliability of the lithium secondary battery and a lithium secondary battery comprising the electrolyte. The electrolyte for a lithium secondary battery of the present embodiments comprises a non-aqueous organic solvent, a lithium salt, flame retarding materials of fluoroalkyl ether and phosphazene, and a solvent comprising at least one ester.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: September 1, 2015
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Bora Lee, Yongbeom Lee, Sinyoung Park, Sunyoung Kim
  • Patent number: 9093719
    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: Grant
    Filed: February 1, 2012
    Date of Patent: July 28, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Young-Soo Kim, Soon-Ho Ahn, Soo-Hyun Ha
  • Patent number: 9017864
    Abstract: Provided is a secondary battery exhibiting excellent durability. Also disclosed is an electrolyte possessing a porous particle, an ionic liquid and a supporting electrolyte salt, wherein the electrolyte has a dynamic elastic modulus of at least 105 Pa.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: April 28, 2015
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Akiyoshi Kimura, Emiko Mikoshiba
  • 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
  • Patent number: 8993175
    Abstract: A polymer electrolyte including: a lithium salt; an organic solvent; a fluorine compound; and a polymer of a monomer represented by Formula 1 below. H2C?C—(OR)n—OCH?CH2??Formula 1 In Formula 1, R is a C2-C10 alkylene group, and n is in a range of about 1 to about 1000.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: March 31, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-sik Hwang, Han-su Kim, Jae-man Choi, Moon-seok Kwon
  • Patent number: 8968938
    Abstract: Disclosed are a non-aqueous electrolyte comprising a lithium salt and a solvent, the electrolyte containing, based on the weight of the electrolyte, 10-40 wt % of a compound of Formula 1 or its decomposition product, and 1-40 wt % of an aliphatic nitrile compound, as well as an electrochemical device comprising the non-aqueous electrolyte. Also disclosed is an electrochemical device comprising: a cathode having a complex formed between the surface of a cathode active material and an aliphatic nitrile compound; and an anode having formed thereon a coating layer containing a decomposition product of the compound of Formula 1. Moreover, disclosed is an electrochemical device comprising: a cathode having a complex formed between the surface of a cathode active material and an aliphatic nitrile compound; and a non-aqueous electrolyte containing the compound of Formula 1 or its decomposition product.
    Type: Grant
    Filed: January 12, 2007
    Date of Patent: March 3, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Young Soo Kim, Soon Ho Ahn, Joon Sung Bae, Cha Hun Ku, Soo Hyun Ha, Duk Hyun Ryu, Sei Lin Yoon
  • Patent number: 8962192
    Abstract: A nonaqueous electrolytic solution that can provide a battery that is low in gas generation, has a large capacity, and is excellent in storage characteristics and cycle characteristics contains an electrolyte and a nonaqueous solvent dissolving the electrolyte and further contains 0.001 vol % or more and less than 1 vol % of a compound represented by Formula (1) in the nonaqueous solvent. Alternatively, the nonaqueous electrolytic solution contains 0.001 vol % or more and less than 5 vol % of a compound represented by Formula (1) in the nonaqueous solvent and further contains at least one compound selected from the group consisting of cyclic carbonate compounds having carbon-carbon unsaturated bonds, cyclic carbonate compounds having fluorine atoms, monofluorophosphates, and difluorophosphates. In Formula (1), R1 to R3 each independently represent an alkyl group of 1 to 12 carbon atoms, which may be substituted by a halogen atom; and n represents an integer of 0 to 6.
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: February 24, 2015
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Minoru Kotato, Shinichi Kinoshita
  • Patent number: 8945776
    Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrolyte including a lithium salt, a silylborate-based compound, an anhydride component, and a non-aqueous organic solvent.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: February 3, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Tae-Ahn Kim, Mi-Hyeun Oh, Na-Rae Won, Sung-Hoon Kim
  • Patent number: 8940443
    Abstract: An electrolyte comprising an organic solvent, a lithium salt, and a polymer additive comprised of repeating vinyl units joined to one or more heterocyclic amine moieties is described. The heterocyclic amine contains five to ten ring atoms, inclusive. An electrochemical cell is also disclosed. The preferred cell comprises a negative electrode which intercalates with lithium, a positive electrode comprising an electrode active material which intercalates with lithium, and the electrolyte of the present invention activating the negative and the positive electrodes.
    Type: Grant
    Filed: November 14, 2008
    Date of Patent: January 27, 2015
    Assignee: Greatbatch Ltd.
    Inventor: Chi-Kyun Park
  • Patent number: 8936882
    Abstract: The present invention provides an electrolyte composition for a lithium or lithium-ion battery comprising a lithium salt in a liquid carrier comprising (a) a linear alkyl carbonate solvent, a cyclic alkyl carbonate solvent, or a combination thereof, and (b) a glycerol carbonate derivative compound of Formula (I): wherein X is selected from O, O(CO)O, S, N, P, P(?O), B, and Si; n is 1 when X is O, O(CO)O, or S; n is 2 when x is N, P, P(?O), or B; n is 3 when X is Si; and each R independently is selected from alkyl, alkenyl, alkynyl, aryl, acyl, heteroaryl, a 5-member ring heterocyclic group, a 5-member ring heterocycle-substituted methyl group, trialkylsilyl, and any of the foregoing substituted with one or more fluoro substituents, provided that R is acyl only when X is O, S, or N, and R is not alkyl when X is O(CO)O.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: January 20, 2015
    Assignee: UChicago Argonne, LLC
    Inventors: Daniel P. Abraham, Gang Cheng
  • Patent number: 8927158
    Abstract: A nonaqueous electrolyte secondary battery includes a positive electrode having a positive-electrode active material, a negative electrode having a negative-electrode active material, and a nonaqueous electrolytic solution having a nonaqueous solvent dissolving a solute. The negative-electrode active material includes powdered silicon and/or a silicon alloy, the nonaqueous electrolytic solution includes additives composed of at least one fluorinated lithium phosphate selected from the group consisting of lithium monofluorophosphate, lithium difluorophosphate, and lithium trifluorophosphate and a diisocyanate compound, and the nonaqueous solvent includes a chain carbonate compound.
    Type: Grant
    Filed: May 9, 2011
    Date of Patent: January 6, 2015
    Assignees: SANYO Electric Co., Ltd., Mitsubishi Chemical Corporation
    Inventors: Hidekazu Yamamoto, Kouhei Tuduki, Taizou Sunano, Maruo Kamino, Youichi Ohashi, Minoru Kotato
  • Patent number: 8916297
    Abstract: Provided are a method of preparing a gel polymer electrolyte secondary battery, and a gel polymer electrolyte secondary battery prepared by the method. The gel polymer electrolyte secondary battery includes a cathode, an anode, a separator and a gel polymer electrolyte in a battery case. The method includes (S1) coating a polymerization initiator on a surface of at least one selected from a group consisting of a cathode, an anode, a separator of a non-woven fabric, and a battery case, the surface needed to be contacted with a gel polymer electrolyte; (S2) putting an electrode assembly including the cathode, the anode, the separator of a non-woven fabric into the battery case; and (S3) forming a gel polymer electrolyte by introducing a gel polymer electrolyte composition including an electrolyte solvent, an electrolyte salt and a polymer electrolyte monomer into the battery case, and polymerizing the monomer.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: December 23, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Hoon Yu, Ho-Chun Lee
  • Publication number: 20140349196
    Abstract: The present invention provides an electrolyte component containing one or more salts including lithium bis(oxalate)borate (LiBOB), a solvent, propylene carbonate (PC) and a crystallisable polymer wherein said LiBOB is present as a weight percentage of 0.5% or more, said propylene carbonate is present as a weight percentage of between 5% and 90% and the crystallisable polymer is present at a weight percentage of greater than 1%. It also provides a galvanic cell formed from the above and a process for forming same.
    Type: Application
    Filed: December 7, 2012
    Publication date: November 27, 2014
    Inventors: Ian Ward, Hugh Hubbard, Simon Charles Wellings, Jerry Barker
  • Patent number: 8883356
    Abstract: Electrolyte and lithium secondary batteries containing the same are disclosed. In one instance, the electrolyte includes a lithium salt, a solvent and an additive. In some examples, the additive includes substances A, B and C, wherein substance A is vinylene carbonate, substance B includes at least one of fluorinated or chlorinated ethylene carbonate or diethylene carbonate, and substance C includes at least one of ethylene sulfite, 1,3-propanesultone and propenyl sulfite.
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: November 11, 2014
    Assignee: BYD Company Limited
    Inventors: GuiShu Zhou, Lei Si, Yong Wang, YiWei Fan
  • Patent number: 8865353
    Abstract: A nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, containing a hydantoin compound represented by the following general formula (I) in an amount of from 0.01 to 5% by mass of the nonaqueous electrolytic solution, and excellent in battery characteristics such as high-temperature storage property and cycle property. (In the formula, R1 and R2 each represent a methyl group or an ethyl group; R3 and R4 each represent a hydrogen atom, a methyl group or an ethyl group.
    Type: Grant
    Filed: August 4, 2009
    Date of Patent: October 21, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Koji Abe, Masahide Kondo
  • Patent number: 8846249
    Abstract: The positive electrode of a lithium ion secondary battery includes active material particles represented by LixNi1?yMyMezO2+?, and the active material particles include a lithium composite oxide represented by LixNi1?yMyO2, (where 0.95?x?1.1, 0<y?0.75, 0.001?z?0.05). The element M is selected from the group consisting of alkaline-earth elements, transition elements, rare-earth elements, IIIb group elements and IVb group elements. The element Me is selected from the group consisting of Mn, W. Nb, Ta, In, Mo, Zr and Sn, and the element Me is included in a surface portion of the active material particles. The lithium content x in the lithium composite oxide in an end-of-discharge state when a constant current discharge is performed at a temperature of 25° C. with a current value of 1C and an end-of-discharge voltage of 2.5 V satisfies 0.85?x??0.013Ln(z)+0.871.
    Type: Grant
    Filed: June 12, 2006
    Date of Patent: September 30, 2014
    Assignee: Panasonic Corporation
    Inventor: Kensuke Nakura
  • Patent number: 8845764
    Abstract: An object is to provide a power storage device with improved cycle characteristics and a method of manufacturing the power storage device. Another object is to provide an application mode of the power storage device for which the above power storage device is used. In the method of manufacturing the power storage device, an active material layer is formed over a current collector, a solid electrolyte layer is formed over the active material layer after a natural oxide film over the active material layer is removed, and a liquid electrolyte is provided so as to be in contact with the solid electrolyte layer. Accordingly, decomposition and deterioration of the electrolyte solution which are caused by the contact between the active material layer and the electrolyte solution can be prevented, and cycle characteristics of the power storage device can be improved.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: September 30, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Kazutaka Kuriki
  • Publication number: 20140272601
    Abstract: Salts with formula X?M+ wherein M+ is Li, Na, K, an ammonium, a phosphonium, an imidazolium, a pyridinium, or a pyrazolium and X? is an anion formed from covalent linking of two negative moieties to a positive onium-type core are provided. Also provided are electrolytes and batteries produced from these salts.
    Type: Application
    Filed: November 16, 2012
    Publication date: September 18, 2014
    Inventors: Erlendur Jónsson, Michel Bernard Armand, Jens Patrik Johansson
  • Patent number: 8828579
    Abstract: The invention provides a battery, which can improve battery characteristics such as high temperature storage characteristics. The battery comprises a battery device, wherein a cathode and an anode are wound with a separator in between. The anode contains an anode material capable of inserting and extracting Li as an anode active material. An electrolytic solution is impregnated in the separator. The electrolytic solution contains a solvent, and an electrolyte salt such as Li[B(CF3)4] dissolved in the solvent, which is expressed by a chemical formula of Li[B(RF1)(RF2)(RF3)RF4]RF 1, RF 2, RF 3, and RF 4 represent a perfluoro alkyl group whose number of fluorine or carbon is from 1 to 12, respectively. Consequently, high temperature storage characteristics are improved.
    Type: Grant
    Filed: March 30, 2004
    Date of Patent: September 9, 2014
    Assignee: Sony Corporation
    Inventors: Tadahiko Kubota, Momoe Adachi, Shigeru Fujita
  • 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: 8822084
    Abstract: An electrolyte for a non-aqueous electrolyte battery according to the present invention contains a non-aqueous organic solvent; a solute; and both of difluorobis(oxalato)phosphate and tetrafluoro(oxalate)phosphate as additives. A non-aqueous electrolyte battery according to the present invention uses the above electrolyte. By the composite effect of the difluorobis(oxalato)phosphate and tetrafluoro(oxalate)phosphate in the non-aqueous electrolyte and the non-aqueous electrolyte battery, it is possible to improve not only the cycle characteristics and high-temperature storage stability of the battery but also the low-temperature characteristics of the battery at temperatures of 0° C. or lower.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: September 2, 2014
    Assignee: Central Glass Company, Limited
    Inventors: Shoichi Tsujioka, Aiichiro Fujiwara
  • Patent number: 8815454
    Abstract: A lithium secondary battery includes a positive electrode, a negative electrode, a separator separating the positive electrode and the negative electrode, and an electrolyte. The negative electrode active material of the negative electrode includes a material that is capable of reversibly intercalating and deintercalating lithium ions and a metallic material capable of alloying with lithium. The electrolyte includes a chemical compound containing a nitrile (—CN) radical.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: August 26, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yong-Shik Kim, Jin-Bum Kim, Jin-Sung Kim, Na-Rae Park
  • Patent number: 8815116
    Abstract: A composition including a first material and a metal or a metal oxide component for use in an electrochemical redox reaction is described. The first material is represented by a general formula M1xM2yXO4, wherein M1 represents an alkali metal element; M2 represents an transition metal element; X represents phosphorus; O represents oxygen; x is from 0.6 to 1.4; and y is from 0.6 to 1.4. Further, the metal or the metal oxide component includes at least two materials selected from the group consisting of transition metal elements, semimetal elements, group IIA elements, group IIIA elements, group IVA elements, alloys thereof and oxides of the above metal elements and alloys, wherein the two materials include different metal elements. Moreover, the first material and the metal or the metal oxide component are co-crystallized or physically combined, and the metal or the metal oxide component takes less than about 30% of the composition.
    Type: Grant
    Filed: February 11, 2013
    Date of Patent: August 26, 2014
    Assignee: Advanced Lithium Electrochemistry Co., Ltd.
    Inventor: Ko-Yu Chiu
  • Patent number: 8808918
    Abstract: The rechargeable lithium battery of the present invention includes a positive electrode including a positive active material, a negative electrode including a negative active material, and a non-aqueous electrolyte. The positive active material includes a core and a coating layer formed on the core. The core is made of a material such as LiCo0.98M?0.02O2, and the coating layer is made of a material such as MxPyOz. The electrolyte solution includes a nitrile-based additive. The rechargeable lithium battery of the present invention shows higher cycle-life characteristics and longer continuous charging time at high temperature.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: August 19, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Euy-Young Jung, Duck-Chul Hwang, Jeom-Soo Kim, Jong-Hwa Lee, Yong-Chul Park, Jae-Yul Ryu, So-Hyun Hur