Oxygen Containing Organic Solvent Compound Patents (Class 429/341)
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Publication number: 20140113175Abstract: A lithium ion battery containing conducting materials comprises a positive electrode, a negative electrode, a separator, an electrolyte, adhesives and sealing materials. The conducting materials in the positive electrode comprise metal carbides, metal borides or metal nitrides. The conducting materials in the negative electrode comprise metal carbides, metal borides or metal nitrides. The metal carbide is titanium carbonitride, tungsten carbide or titanium carbide, vanadium carbide, tantalum carbide, and eutectic of tungsten carbide and titanium carbide. The metal boride is molybdenum boride, tungsten boride or vanadium boride. The metal nitride is titanium nitride, tungsten nitride or tantalum nitride. The conducting materials in the positive electrode may also comprise powdered metals. The conducting materials in the negative electrode comprise powdered metals. The powdered metal is nickel powder, copper powder or chromium powder.Type: ApplicationFiled: June 2, 2011Publication date: April 24, 2014Inventor: Panyi ZHANG
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Patent number: 8703345Abstract: Disclosed is an electrolyte. The electrolyte includes an amide compound and an ionizable lithium salt. The amide compound has a specific structure in which an amine group is substituted with at least one alkoxyalkyl group and at least one halogen atom is present. The electrolyte has good thermal and chemical stability, a low resistance and a high ionic conductivity. In addition, the electrolyte has a high upper limit of electrochemical window due to its improved oxidation stability. Therefore, the electrolyte can be useful for the fabrication of an electrochemical device. Further disclosed is an electrochemical device including the electrolyte.Type: GrantFiled: September 23, 2011Date of Patent: April 22, 2014Assignee: LG Chem, Ltd.Inventors: Byoung-Bae Lee, Jae-Seung Oh, Sang-Hyun Lee, Kwon-Young Choi, Dong-Su Kim, Yeon-Suk Hong, Hyo-Jin Lee
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Publication number: 20140106239Abstract: The invention relates to a lithium/sulphur accumulator including at least one unit cell including: a negative electrode; an electrode separator comprising a material soaked with electrolyte, said material comprising at least one nonwoven and having a porosity in the range from 50 to 96%, and a thickness in the range from 50 to 200 micrometers; a positive electrode; and wherein said electrolyte is introduced by an excess quantity, and comprises at least one lithium salt, and the excess quantity of electrolyte amounting to from 20 to 200% of the quantity of electrolyte ensuring the wetting of the electrodes and of the separator.Type: ApplicationFiled: December 13, 2013Publication date: April 17, 2014Applicant: Commissariat A L'Energie Atomique Et Aux Energies AlternativesInventors: Céline Barchasz, Sébastien PATOUX, Grégory SI LARBI
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Publication number: 20140099557Abstract: An electrolyte for use in electrochemical cells is provided. The properties of the electrolyte include high conductivity, high Coulombic efficiency, and an electrochemical window that can exceed 3.5 V vs. Mg/Mg+2. The use of the electrolyte promotes the electrochemical deposition and dissolution of Mg without the use of any Grignard reagents, other organometallic materials, tetraphenyl borate, or tetrachloroaluminate derived anions. Other Mg-containing electrolyte systems that are expected to be suitable for use in secondary batteries are also described.Type: ApplicationFiled: March 14, 2013Publication date: April 10, 2014Applicant: PELLION TECHNOLOGIES, INC.Inventors: Robert Ellis Doe, George Hamilton Lane, Robert E. Jilek, Jaehee Hwang
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Patent number: 8685562Abstract: 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. The solution contains an electrolyte, a nonaqueous solvent dissolving the electrolyte, 0.001 vol % to 5 vol % of a compound represented by Formula (1), 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 having 1 to 12 carbon atoms, optionally substituted by a halogen atom; and n is an integer of 0 to 6.Type: GrantFiled: February 15, 2012Date of Patent: April 1, 2014Assignee: Mitsubishi Chemical CorporationInventors: Minoru Kotato, Shinichi Kinoshita
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Publication number: 20140080008Abstract: 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: ApplicationFiled: November 24, 2013Publication date: March 20, 2014Applicant: Leclanche' SAInventors: Pierre Blanc, Hilmi Buqa, Karl Heinz Pettinger
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Publication number: 20140080009Abstract: Method of forming lithium-containing electrolytes are provided using wet chemical synthesis. In some examples, the lithium containing electrolytes are composed of ?-Li3PS4 or Li4P2S7. The solid electrolyte may be a core shell material. In one embodiment, the core shell material includes a core of lithium sulfide (Li2S), a first shell of ?-Li3PS4 or Li4P2S7, and a second shell including one of ?-Li3PS4 or Li4P2S7 and carbon. The lithium containing electrolytes may be incorporated into wet cell batteries or solid state batteries.Type: ApplicationFiled: November 26, 2013Publication date: March 20, 2014Applicant: UT-Battelle, LLCInventors: Chengdu Liang, Zengcai Liu, Wujun Fu, Zhan Lin, Nancy J. Dudney, Jane Y. Howe, Adam J. Rondinone
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Patent number: 8673504Abstract: 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: GrantFiled: May 3, 2012Date of Patent: March 18, 2014Assignees: SANYO Electric Co., Ltd., Mitsubishi Chemical CorporationInventors: Keiji Saisho, Hidekazu Yamamoto, Masahiro Takehara
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Patent number: 8669114Abstract: The subject of the invention at hand are novel, a little basic, fluorinated pentafluorophenyl imide anions, which can be used as anions in ionic liquids. Methods for producing ionic liquids are described, which contain these novel pentafluorophenyl imide ions as anions, as well as quaternary organic ammonium ions, guanidinium ions, N-organo-pyridinium ions, imidazolium, imidazolidinium or benzimidazolidinium ions, alkyl-alkylidene phosphoranes or aryl-alkylidene phosphoranes as cations. Alternative methods according to the present invention provide ionic liquids through reaction of ketene N,N-diacetals or alkyl or aryl-alkylidene phosphoranes with acids. The ionic liquids according to the present invention are suitable, for example, as solvents for syntheses, as mobile and/or stationary phase in chromatography, as electrolyte systems for batteries, galvanic elements, fuel cells and rechargeable battery packs.Type: GrantFiled: May 17, 2007Date of Patent: March 11, 2014Assignee: Philipps-Universitaet MarburgInventors: Jorg Sundermeyer, Thomas Linder
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Publication number: 20140065490Abstract: Disclosed is an electricity storage device including a first electrode (a positive electrode (20)), a second electrode (a negative electrode (21)), and a non-aqueous electrolyte solution. The first electrode contains, as an active material, an organic compound having a quinone skeleton. The second electrode has a polarity opposite to that of the first electrode. The non-aqueous electrolyte solution contains a lithium salt and a solvent represented by the following formula (1): R—O(CH2CH2O)n—R???(1) where R and R? are each independently a saturated hydrocarbon having 1 to 5 carbon atoms, and n is an integer of 2 to 6.Type: ApplicationFiled: July 5, 2012Publication date: March 6, 2014Applicant: PANASONIC CORPORATIONInventors: Yu Otsuka, Nobuhiko Hojo
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Publication number: 20140065491Abstract: A secondary battery which includes a positive electrode and a negative electrode, wherein the negative electrode has a negative electrode collector and a negative electrode active material layer, and the negative electrode collector has a base material which is formed of aluminum foil and an resin film which has a thickness of 0.01 to 5 ?m and does not allow a nonaqueous electrolyte to permeate therethrough.Type: ApplicationFiled: April 25, 2012Publication date: March 6, 2014Applicant: SHOWA DENKO K.K.Inventors: Hitoshi Yokouchi, Masahiro Ohmori, Masatoshi Kunisawa
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Publication number: 20140065465Abstract: A sodium-ion electrochemical cell described herein comprises a cathode, an anode, and a non-aqueous sodium-containing electrolyte therebetween. The electrolyte comprises a sodium salt dissolved in a liquid organic carrier. The cathode comprises at least one transition metal chalcogenide compound in an initial discharged or partially discharged state and having the formula NaxMX2Cln, wherein 0<x?1; M is at least one transition metal having a +3, +4, or +5 fully discharged oxidation state, i.e., when x is 1. X is at least one chalcogen selected from the group consisting of S and Se, and n is 0 when the discharged oxidation state of M is +3, n is 1 when the discharged oxidation state of M is +4, and n is 2 when the discharged oxidation state of M is +5. In some embodiments, the cathode comprises NaxVS2, NaxTiS2, or a combination thereof.Type: ApplicationFiled: December 10, 2012Publication date: March 6, 2014Applicants: Indiana University Research and Technology Corporation, UCHICAGO ARGONNE, LLCInventors: Christopher Johnson, Youngsik Kim, Eungje Lee
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Patent number: 8658309Abstract: The present invention provides compositions, formulations and methods providing for the effective dissolution of inorganic fluorides in solvents via incorporation of a dissociating agent component. Dissociating agents of the present invention participate in chemical reactions in solution, such as complex formation, acid-base reactions, and adduct formation reactions, that result in enhancement in the dissolution of inorganic fluorides in a range of solvent environments. Dissociating agents comprising Lewis acids, Lewis bases, anion receptors, cation receptors or combinations thereof are provided that significantly increase the extent of dissolution of a range of inorganic fluorides, particularly inorganic fluorides, such as LiF, that are highly insoluble in many solvents in the absence of the dissociating agents of the present invention.Type: GrantFiled: August 10, 2007Date of Patent: February 25, 2014Assignees: California Institute of Technology, Centre National de la Recherche Scientifique (C.N.R.S.)Inventor: Rachid Yazami
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Publication number: 20140050993Abstract: A positive active material including a compound represented by Li1+xM1?kMekO2. A surface part of a particle of the positive active material has a mole ratio [Me/M] (A) of element represented by Me to element represented by M in Li1+xM1?kMekO2 of 0.05?A?0.60; the entire particle has a mole ratio [Me/M] (B) of element represented by Me to element represented by M in Li1+xM1?kMekO2 of 0.003?B?0.012; and element represented by Me has a concentration difference of between two positions of less than or equal to about 0.02 wt % in an inner part of the particle. In Li1+xM1?kMekO2, ?0.2?x?0.2, 0<k?0.05 M is one selected from Ni, Mn, Co, and a combination thereof, Me is one selected from Al, Mg, Ti, Zr, B, Ni, Mn, and a combination thereof, and M is not the same element as Me or does not include the same element as Me.Type: ApplicationFiled: December 10, 2012Publication date: February 20, 2014Applicant: SAMSUNG SDI CO., LTD.Inventor: Jung-Joon Park
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Patent number: 8652692Abstract: Non-aqueous alkali metal (e.g., Li)/oxygen battery cells constructed with a protected anode that minimizes anode degradation and maximizes cathode performance by enabling the use of cathode performance enhancing solvents in the catholyte have negligible self-discharge and high deliverable capacity. In particular, protected lithium-oxygen batteries with non-aqueous catholytes have this improved performance.Type: GrantFiled: November 22, 2006Date of Patent: February 18, 2014Assignee: PolyPlus Battery CompanyInventors: Steven J. Visco, Yevgeniy S. Nimon, Bruce Katz
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Publication number: 20140038037Abstract: An electrolyte for a magnesium battery includes a magnesium salt having the formula MgBaHbXy where a=2-12, b=0-12 y=0-8 wherein when b=0 X is O-alkyl and when b=1-11 X is O-alkyl or F. The electrolyte also includes a solvent, the magnesium salt being dissolved in the solvent. Various solvents including aprotic solvents and molten salts such as ionic liquids may be utilized.Type: ApplicationFiled: August 1, 2013Publication date: February 6, 2014Applicant: Toyota Motor Engineering & Manufacturing North America, Inc.Inventors: Rana F. Mohtadi, Masaki Matsui, Tyler J. Carter
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Publication number: 20140038061Abstract: The electrolyte includes a magnesium salt having the formula Mg(BX4)2 where X is selected from H, F and O-alkyl. The electrolyte also includes a solvent, the magnesium salt being dissolved in the solvent. Various solvents including aprotic solvents and molten salts such as ionic liquids may be utilized.Type: ApplicationFiled: December 19, 2012Publication date: February 6, 2014Applicant: Toyota Motor Engineering & Manufacturing North America, Inc.Inventor: Toyota Motor Engineering & Manufacturing North America, Inc.
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Publication number: 20140030609Abstract: The present invention is to provide a nonaqueous electrolytic solution prepared by dissolving an electrolyte salt in a nonaqueous solvent, wherein the nonaqueous solvent includes 0.01 to 40% by volume of an ester having two alkyl groups at the ?-position carbon of the carbonyl group and being represented by the following general formula (I), and an energy storage device. (in the above formula, R1 is an alkyl group, an alkenyl group or an alkynyl group in which at least one of the hydrogen atoms may be substituted with a halogen atom, R2 and R3 are an alkyl group in which at least one of the hydrogen atoms may be substituted with a halogen atom, and R2 and R3 may be linked to each other to form a ring. However, when R2 and R3 do not form a ring, R3 is an alkyl group in which at least one of the hydrogen atoms may be substituted with a halogen atom.Type: ApplicationFiled: March 26, 2012Publication date: January 30, 2014Applicant: UBE INDUSTRIES, LTD.Inventors: Koji Abe, Kazuhiro Miyoshi, Yuichi Kotou
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Patent number: 8637192Abstract: A nonaqueous electrolytic solution containing magnesium ions which shows excellent electrochemical characteristics and which can be manufactured in a general manufacturing environment such as a dry room, and an electrochemical device using the same are provided. A Mg battery has a positive-electrode can 1, a positive-electrode pellet 2 made of a positive-electrode active material or the like, a positive electrode 11 composed of a metallic net supporting body 3, a negative-electrode cup 4, a negative electrode 12 made of a negative-electrode active material 5, and a separator 6 impregnated with an electrolytic solution 7 and disposed between the positive-electrode pellet and the negative-electrode active material.Type: GrantFiled: June 4, 2009Date of Patent: January 28, 2014Assignee: Sony CorporationInventors: Kenta Yamamoto, Yuri Nakayama, Yui Senda
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Publication number: 20140023937Abstract: An electrolyte includes an organosilicon solvent, propylene carbonate, and a salt.Type: ApplicationFiled: July 17, 2012Publication date: January 23, 2014Inventors: Zhengcheng Zhang, Jian Dong, Khalil Amine
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Publication number: 20140023934Abstract: The present invention relates to a non-aqueous electrolyte additive that allows for improved safety and battery characteristics of a non-aqueous electrolyte secondary battery, and in greater detail, the present invention relates to a non-aqueous electrolyte additive that includes at least one compound selected from a first compound group consisting of phosphazene compounds represented by the following general formula (1): (NPR2)n??(1) wherein each R independently represents fluorine or a substituent including an organic group substituted with fluorine, at least one of the Rs represents the substituent including an organic group substituted with fluorine, and n is from 3 to 14; and includes at least one compound selected from a second compound group consisting of borate represented by the following general formula (2), bis(oxalato)borate, difluoro(oxalato)borate, tris(oxalato)phosphate, difluoro(bisoxalato)phosphate, and tetrafluoro(oxalato)phosphate: wherein Aa+ represents a cation, and a repreType: ApplicationFiled: March 1, 2012Publication date: January 23, 2014Applicants: CENTRAL GLASS COMPANY, LIMITED, BRIDGESTONE CORPORATIONInventors: Masashi Otsuki, Hirokazu Satou, Shoichi Tsujioka, Aiichiro Fujiwara
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Publication number: 20140023936Abstract: An electrolyte includes a lithium polysulfide of formula Li2Sx, where x>2; a shuttle inhibitor; and a non-aqueous solvent. Lithium-sulfur batteries may incorporate such electrolytes.Type: ApplicationFiled: July 17, 2012Publication date: January 23, 2014Inventors: Ilias Belharouak, Rui Xu
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Publication number: 20140017571Abstract: 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: ApplicationFiled: August 9, 2012Publication date: January 16, 2014Applicant: NTHDEGREE TECHNOLOGIES WORLDWIDE INC.Inventors: Vera Nicholaevna Lockett, Mark D. Lowenthal, Neil O. Shotton, William Johnstone Ray, Theodore I. Kamins
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Publication number: 20140017573Abstract: The present invention relates to a non-aqueous electrolyte additive that allows for improved safety and battery characteristics of a non-aqueous electrolyte secondary battery, and in greater detail, the present invention relates to a non-aqueous electrolyte additive that includes a phosphazene compound represented by the following general formula (1): (NPR2)n ??(1) wherein each R independently represents fluorine or a secondary or tertiary branched alkoxy group substituted with fluorine, at least one of the Rs represents the secondary or tertiary branched alkoxy group substituted with fluorine, and n is from 3 to 14.Type: ApplicationFiled: March 1, 2012Publication date: January 16, 2014Applicants: CENTRAL GLASS COMPANY, LIMITED, BRIDGESTONE CORPORATIONInventors: Masashi Otsuki, Hirokazu Satou, Shoichi Tsujioka, Aiichiro Fujiwara
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Patent number: 8623558Abstract: A non-aqueous electrolyte in which the proportion of diethyl carbonate is reduced, and a nonaqueous electrolyte secondary battery using the same that has high safety are provided. The non-aqueous electrolyte of the invention for use in secondary batteries includes ethylene carbonate, propylene carbonate, diethyl carbonate, and an additive, as a non-aqueous solvent. The additive is at least one of a fluorinated aromatic compound having a molecular weight of 90 to 200 and a fatty acid alkyl ester having a molecular weight of 80 to 240. A weight ratio WEC ethylene carbonate, a weight ratio WPC of propylene carbonate, a weight ratio W DEC of diethyl carbonate, and a weight ratio WLV of the additive are 5 to 30 wt %, 15 to 60 wt %, 10 to 50 wt %, and 5 to 35 wt %, respectively, to the total of the non-aqueous electrolyte.Type: GrantFiled: March 15, 2011Date of Patent: January 7, 2014Assignee: Panasonic CorporationInventor: Masaki Deguchi
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Patent number: 8623554Abstract: An electrode material comprising a particle containing at least one member selected from the particles containing silicon, tin, silicon compound and tin compound, and fibrous carbon. The particle includes: (1) a particle comprising at least one member of a silicon particle, tin particle, particle containing a lithium-ion-intercalatable/releasable silicon compound and particle containing a lithium-ion-intercalatable/releasable tin compound; or (2) a particle comprising a silicon and/or silicon compound-containing carbonaceous material deposited onto at least a portion of the surfaces of a carbon particle having a graphite structure. The lithium secondary battery using the electrode material as a negative electrode has high discharging capacity and is excellent in cycle characteristics and characteristics under a load of large current.Type: GrantFiled: January 15, 2010Date of Patent: January 7, 2014Assignee: Show A Denko K.K.Inventors: Youichi Nanba, Satoshi Iinou, Tsutomu Masuko
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Publication number: 20130344398Abstract: Provided is a lithium secondary battery including a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a polymer electrolyte composition having a polymer electrolyte, a non-aqueous organic solvent, and a lithium salt. The content of the polymer electrolyte is 9 to 20 wt %, based on the total weight of the polymer electrolyte composition.Type: ApplicationFiled: August 30, 2013Publication date: December 26, 2013Applicant: Samsung SDI Co., Ltd.Inventors: Joong-Heon KIM, Cheol-Ho PARK, Jin-Uk LEE
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Publication number: 20130337345Abstract: An electrochemical device includes an electrolyte; a cathode; and an anode including a negative active material of Formula LixNi?Mn?Co?M1?M2mO2-zM3z?; where M1 is Mg, Zn, Al, Ga, B, Zr, Ti, V, Cr Ag, Cu, Na, Mn, Fe, Cu, or Zr; M2 is P, S, Si, W, or Mo; M3 is F, Cl and N; 0<x; 0???1; 0???1; 0???1; 0???1; 0?m?0.5; 0?z?0.5; and 0?z??0.5, where at least one of ?, ?, and ? is greater than 0.Type: ApplicationFiled: June 15, 2012Publication date: December 19, 2013Inventors: Ali Abouimrane, Khalil Amine
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Publication number: 20130337347Abstract: A process of preparing an E-carbon nanocomposite includes contacting a porous carbon substrate with an E-containing material to form a mixture; and sonicating the mixture to form the E-carbon nanocomposite; where E is S, Se, SexSy, or Te, x is greater than 0; and y is greater than 0.Type: ApplicationFiled: March 8, 2013Publication date: December 19, 2013Applicant: UChicago Argonne, LLCInventors: Vilas G. Pol, Wei Weng, Khalil Amine
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Publication number: 20130337339Abstract: Provided are electrochemical cells and electrolytes used to build such cells. An electrolyte includes at least one salt having a molecular weight less than about 250. Such salts allow forming electrolytes with higher salt concentrations and ensure high conductivity and ion transport in these electrolytes. The low molecular weight salt may have a concentration of at least about 0.5M and may be combined with one or more other salts, such as linear and cyclic imide salts and/or methide salts. The concentration of these additional salts may be less than that of the low molecular weight salt, in some embodiments, twice less. The additional salts may have a molecular weight greater than about 250. The electrolyte may also include one or more fluorinated solvents and may be capable of maintaining single phase solutions at between about ?30° C. to about 80° C.Type: ApplicationFiled: June 4, 2013Publication date: December 19, 2013Inventors: Konstantin Tikhonov, Ka Ki Yip, Tzu-Yuan Lin, Norman Lei, Guillermo Guerrero-Zavala, Kristie W. Kwong
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Patent number: 8609287Abstract: Compounds may have general Formula I, II, or III: where R1, R2, R3, and R4 are independently H, F, Cl, Br, CN, NO2, a alkyl group, a haloalkyl group, a phosphate group, a polyether group; or R1 and R2, or R3 and R4, or R2 and R3 (in the case of Formula II) may join together to form a fused ring on the benzene ring; and X and Z are independently a group of Formula A: where R5 and R6 and R7 are independently H, F, Cl, Br, CN, NO2, a alkyl group, a haloalkyl group, a phosphate group, or a polyether group; R7 is H, F, Cl, Br, CN, NO2, a alkyl group, a haloalkyl group, a phosphate group, or a polyether group; n is an integer from 1 to 8; and m is an integer from 1 to 13. Such compounds may be used as redox shuttles in electrolytes for use in electrochemical cells, batteries and electronic devices.Type: GrantFiled: May 24, 2011Date of Patent: December 17, 2013Assignee: Uchicago Argonne, LLCInventors: Zhengcheng Zhang, Lu Zhang, Khalil Amine
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Publication number: 20130323571Abstract: The present invention provides a lithium-ion electrochemical cell comprising an ionic liquid electrolyte solution and a positive electrode having a carbon sheet current collector.Type: ApplicationFiled: May 13, 2013Publication date: December 5, 2013Inventors: Hongli Dai, Michael Erickson, Marc Juzkow
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Patent number: 8586250Abstract: To provide a non-aqueous electrolyte solution for storage battery devices which has high lithium salt solubility, high conductivity and excellent cycle characteristics, and a storage battery device wherein such a non-aqueous electrolyte solution is used. A non-aqueous electrolyte solution for storage battery devices, which comprises a specific lithium salt (A) and a solvent (B) containing a hydrofluoroether (b1) represented by CF3CH2OCF2CF2H and a carbonate type solvent (b2), wherein the content of the hydrofluoroether (b1) is from 1 to 30 vol % based on the total amount i.e. 100 vol % of the solvent (B); and a storage battery device wherein such a non-aqueous electrolyte solution for storage battery devices is used.Type: GrantFiled: March 5, 2012Date of Patent: November 19, 2013Assignee: Asahi Glass Company, LimitedInventor: Masao Iwaya
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Publication number: 20130302702Abstract: The object of an exemplary embodiment of the invention is to provide a separator for an electric storage device which has small heat shrinkage in a high-temperature environment, and in which the increase of the battery temperature can be suppressed. An exemplary embodiment of the invention is a separator for an electric storage device, which comprises a cellulose derivative represented by a prescribed formula. The separator for an electric storage device can be obtained, for example, by treating a cellulose separator containing cellulose with a halogen-containing carboxylic acid or a halogen-containing alcohol.Type: ApplicationFiled: February 21, 2012Publication date: November 14, 2013Applicant: NEC CORPORATIONInventor: Kazuaki Matsumoto
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Publication number: 20130295469Abstract: Method of forming lithium-containing electrolytes are provided using wet chemical synthesis. In some examples, the lithium containing electrolytes are composed of ?-Li3PS4 or Li4P2S7. The solid electrolyte may be a core shell material. In one embodiment, the core shell material includes a core of lithium sulfide (Li2S), a first shell of ?-Li3PS4 or Li4P2S7, and a second shell including one of ?-Li3PS4 or Li4P2S7 and carbon. The lithium containing electrolytes may be incorporated into wet cell batteries or solid state batteries.Type: ApplicationFiled: May 3, 2012Publication date: November 7, 2013Applicant: UT-Battelle, LLCInventors: Chengdu Liang, Zengcai Liu, Wujun Fu, Zhan Lin, Nancy J. Dudney, Jane Y. Howe, Adam J. Rondinone
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Publication number: 20130295468Abstract: The present invention provides non-aqueous electrolyte solution for a lithium secondary battery, comprising an ester-based compound having a branched-chain alkyl group and an ester-based compound having a straight-chain alkyl group; and a lithium secondary battery using the same.Type: ApplicationFiled: July 3, 2013Publication date: November 7, 2013Inventors: Sung-Hoon YU, Doo-Kyung YANG, Jong-Ho JEON, Min-Jung JOU
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Patent number: 8574757Abstract: 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.Type: GrantFiled: June 29, 2012Date of Patent: November 5, 2013Assignee: Mitsubishi Chemical CorporationInventors: Minoru Kotato, Shinichi Kinoshita
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Patent number: 8574773Abstract: A battery electrolyte solution contains from 0.01 to 80% by weight of an aromatic phosphorus compound. The aromatic phosphorus compound provides increased thermal stability for the electrolyte, helping to reduce thermal degradation, thermal runaway reactions and the possibility of burning. The aromatic phosphorus compound has little adverse impact on the electrical properties of the battery, and in some cases actually improves battery performance.Type: GrantFiled: November 16, 2009Date of Patent: November 5, 2013Assignee: Dow Global Technologies LLCInventors: David R. Wilson, Ravi B. Shankar, Houxiang Tang, Andrew J. Pasztor, Jr., Peter M. Margl, William J. Kruper, Jr., Mark D. Newsham, Jing Jin, Matthew M. Yonkey, Deidre A. Strand, Thomas D. Gregory, Jamie L. Cohen, Jeremy R. Stajdl
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Publication number: 20130288137Abstract: An electrolyte includes an alkali metal salt; an aprotic solvent; and a redox shuttle additive including an aromatic compound having at least one aromatic ring fused with at least one non-aromatic ring, the aromatic ring having two or more oxygen or phosphorus-containing substituents.Type: ApplicationFiled: April 26, 2012Publication date: October 31, 2013Inventors: Wei Weng, Zhencheng Zhang, Khalil Amine
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Publication number: 20130288136Abstract: This invention provides a multi-layer article comprising a first electrode material, a second electrode material, and a porous separator disposed between and in contact with the first and the second electrode materials, wherein the porous separator comprises a nanoweb consisting essentially of a plurality of nanofibers of a fully aromatic polyimide. Also provided is a method for preparing the multi-layer article, and an electrochemical cell employing the same. A multi-layer article comprising a polyimide nanoweb with enhanced properties is also provided.Type: ApplicationFiled: June 26, 2013Publication date: October 31, 2013Inventors: PANKAJ ARORA, Stephane Francois Bazzana, T. Joseph Dennes, Eric P. Holowka, Lakshmi Krishnamurthy, Stephen Mazur, Glen E. Simmonds
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Publication number: 20130280618Abstract: The present invention includes an electrolyte in which an organic acid lithium salt (A) and a boron compound (B) are mixed.Type: ApplicationFiled: September 26, 2011Publication date: October 24, 2013Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Kenichi Shinmei, Yoshiharu Konno, Masashi Kanoh
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Patent number: 8557439Abstract: The present invention has an objective to improve the storage characteristics and pulse discharge characteristics, especially in the high temperature region of 100° C. or more, of a lithium battery comprising a positive electrode including manganese oxide, a negative electrode, and a non-aqueous electrolyte. To achieve this objective, the lithium battery of the present invention includes a positive electrode (3) including manganese oxide in mixed crystal state, a negative electrode (4) desorbing lithium ions during discharging, and a non-aqueous electrolyte having lithium ion conductivity. The aforementioned manganese oxide in mixed crystal state includes at least ?-type manganese oxide and ?-type manganese oxide. The aforementioned non-aqueous electrolyte includes at least one additive selected from the group consisting of cyclic sultone compounds and sulfone compounds.Type: GrantFiled: March 2, 2009Date of Patent: October 15, 2013Assignee: Panasonic CorporationInventors: Takuyuki Okano, Toshihiko Ikehata
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Publication number: 20130266847Abstract: The object of an exemplary embodiment of the invention is to provide a lithium secondary battery which has high energy density by containing a positive electrode active substance operating at a potential of 4.5 V or higher with respect to lithium and which has excellent cycle property. An exemplary embodiment of the invention is an lithium secondary battery, which comprises a positive electrode comprising a positive electrode active substance and an electrolyte liquid comprising a nonaqueous electrolyte solvent; wherein the positive electrode active substance operates at a potential of 4.5 V or higher with respect to lithium; and wherein the nonaqueous electrolyte solvent comprises a fluorine-containing phosphate represented by a prescribed formula.Type: ApplicationFiled: December 7, 2011Publication date: October 10, 2013Applicants: NEC ENERGY DEVICES, LTD., NEC CORPORATIONInventors: Takehiro Noguchi, Hideaki Sasaki, Makiko Uehara, Ippei Waki, Shinako Kaneko, Hiroshi Hatakeyama, Shinsaku Saitho, Yuukou Katou
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Patent number: 8546023Abstract: Disclosed is a secondary battery including a cathode, an anode, a separator, and an electrolyte, wherein the electrolyte includes a ternary eutectic mixture prepared by adding (c) a carbonate-based compound to a eutectic mixture containing (a) an amide group-containing compound and (b) an ionizable lithium salt, and the carbonate-based compound is included in an amount of less than 50 parts by weight based on 100 parts by weight of the electrolyte. The use of the disclosed ternary eutectic mixture having flame resistance, chemical stability, high conductivity, and a broad electrochemical window, as the electrolyte material, improves both the thermal stability and quality of the battery.Type: GrantFiled: April 10, 2008Date of Patent: October 1, 2013Assignee: LG Chem, Ltd.Inventors: Jiwon Park, Jae Seung Oh, Byoung-bae Lee, Shin Jung Choi, Jaeduk Park
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Patent number: 8546025Abstract: Disclosed is a lithium ion secondary battery, in which comprises a vinyl alcohol polymer or a derivative thereof in an amount of 0.3 mg or more per 1 mAh of battery capacity in terms of a vinyl alcohol unit moiety content. The lithium ion secondary battery can decrease the battery voltage under high-temperature conditions and cannot be recharged after being exposed to high-temperature conditions.Type: GrantFiled: August 21, 2008Date of Patent: October 1, 2013Assignees: Japan Vilene Company, Ltd., National Institute of Advanced Industrial Science and TechnologyInventors: Masanao Tanaka, Tatsuo Nakamura, Hiroshi Ohnishi, Yuka Kondo, Koji Kimura, Te Hyon Cho, Tetsuo Sakai
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Publication number: 20130252114Abstract: A electrochemical cell having an non-aqueous electrolyte is provided. The properties of the electrolyte include high conductivity, high Coulombic efficiency, and an electrochemical window that can exceed 3.5 V vs. Mg/Mg+2. The use of the electrolyte promotes the electrochemical deposition and dissolution of Mg without the use of any Grignard reagents, other organometallic materials, tetraphenyl borate, or tetrachloroaluminate derived anions. Other Mg-containing electrolyte systems that are expected to be suitable for use in secondary batteries are also described.Type: ApplicationFiled: March 14, 2013Publication date: September 26, 2013Applicant: PELLION TECHNOLOGIES, INC.Inventors: Robert Ellis Doe, George Hamilton Lane, Robert E. Jilek, Jaehee Hwang
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Publication number: 20130244121Abstract: This invention relates to novel applications for alliform carbon, useful in conductors and energy storage devices, including electrical double layer capacitor devices and articles incorporating such conductors and devices. Said alliform carbon particles are in the range of 2 to about 20 percent by weight, relative to the weight of the entire electrode. Said novel applications include supercapacitors and associated electrode devices, batteries, bandages and wound healing, and thin-film devices, including display devices.Type: ApplicationFiled: September 16, 2011Publication date: September 19, 2013Applicants: Universite Paul Sabatier De Toulouse France, Drexel UniversityInventors: Yury Gogotsi, Vadym Mochalin, John Kenneth McDonough, Patrice Simon, Pierre-Louis Taberna
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Publication number: 20130244120Abstract: The present invention provides non-aqueous electrolyte solution for a lithium secondary battery, comprising fluoroethylene carbonate and a pyrimidine-based compound; and a lithium secondary battery using the same.Type: ApplicationFiled: May 2, 2013Publication date: September 19, 2013Applicant: LG CHEM, LTD.Inventors: Sung-Hoon Yu, Doo-Kyung Yang, Min-Jung Jou, Yoo-Seok Kim, Yoo-Sun Kang
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Publication number: 20130244122Abstract: This invention relates to a nonaqueous electrolytic solution containing an electrolyte, a nonaqueous solvent, and a compound represented by formula (3): wherein R1 represents an optionally fluorine-atom substituted hydrocarbon group having 1-12 carbon atoms; R2 to R6 each independently represent a hydrogen atom, a fluorine atom, or an optionally fluorine-atom substituted alkyl group having 1-12 carbon atoms, such that at least one of R2 to R6 represents an optionally fluorine-atom substituted alkyl group having 2 or more carbon atoms; and n represents an integer of 0 or 1, such that when n is 1, at least one of R2 to R6 represents an optionally fluorine-atom substituted alkyl group having 5 or more carbon atoms.Type: ApplicationFiled: April 26, 2013Publication date: September 19, 2013Inventors: Masamichi Onuki, Minoru Kotato, Koji Fukamizu, Yumiko Machida, Youichi Ohashi
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Publication number: 20130230780Abstract: A method of manufacture an article of a cathode (positive electrode) material for lithium batteries. The cathode material Is a lithium molybdenum composite transition, metal oxide material and is prepared by mixing in a solid state m intermediate molybdenum composite transition metal oxide and a lithium source. The mixture is thermally treated to obtain me lithium molybdenum composite transition metal oxide cathode material.Type: ApplicationFiled: April 16, 2013Publication date: September 5, 2013Applicant: UChicago Argonne, LLCInventors: Sang-Ho Park, Khalil Amine