Halogen Containing Patents (Class 429/199)
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Patent number: 9624107Abstract: Provided is a method for producing a difluorophosphate, which can easily and industrially advantageously produce a high-purity difluorophosphate.Type: GrantFiled: June 6, 2014Date of Patent: April 18, 2017Assignee: Stella Chemifa CorporationInventors: Naoki Yahata, Tetsuo Nishida, Shuichi Minamigawa
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Patent number: 9620814Abstract: A nonaqueous electrolyte containing a monofluorophosphate and/or a difluorophosphate and a compound having a specific chemical structure or specific properties. The nonaqueous electrolyte can contain at least one of a saturated chain hydrocarbon, a saturated cyclic hydrocarbon, an aromatic compound having a halogen atom and an ether having a fluorine atom.Type: GrantFiled: May 5, 2014Date of Patent: April 11, 2017Assignee: MITSUBISHI CHEMICAL CORPORATIONInventor: Ryoichi Kato
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Patent number: 9614229Abstract: Non-flammable electrolyte compositions for lithium metal primary batteries and the cells containing these electrolytes are described. The electrolyte compositions comprise one or more partially or fully fluorinated functionalized short chain polyethers with one or more lithium salts, and may include one or more cosolvents, and may have one or more fire retardants added. Said short chain functionalized fluorinated polyethers have much better ionic conductivity than the alkyl terminated fluorinated polyethers or long chain perfluoropolyethers, which provide superior flame resistance without sacrificing overall battery performance. Heat resistant, non-flammable primary lithium cells are also disclosed.Type: GrantFiled: September 30, 2014Date of Patent: April 4, 2017Assignee: MAXPOWER, INC.Inventors: Lin-Shu Du, David Moureau
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Patent number: 9601799Abstract: A method for producing a thin-film battery includes a film-formation step of forming a film of a positive-electrode material to form a positive-electrode active material film and an annealing step of annealing the positive-electrode active material film. After the annealing step, a lithium-ion introduction step of introducing lithium ions into the positive-electrode active material film. After the introduction of the lithium ions, a reverse-sputtering step of edging the positive-electrode active material film by reverse sputtering.Type: GrantFiled: June 26, 2009Date of Patent: March 21, 2017Assignee: Sony CorporationInventors: Tatsuya Furuya, Katsunori Takahara, Hiroyuki Morioka, Yuichi Sabi
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Patent number: 9593017Abstract: A process for preparing difluorophosphate comprising reacting difluorophosphoric acid with at least one salt, as a raw material, selected from a halide salt, a carbonate, a phosphate, a hydroxide and an oxide of an alkali metal, an alkaline earth metal or an onium in the difluoraphosphoric acid, then separating a precipitate from the difluorophosphoric acid by solid-liquid separation, the precipitate being precipitated by crystallization operation in the difluorophosphoric acid, and removing the difluorophosphoric acid contained in the precipitate by distillation to obtain difluorophosphate.Type: GrantFiled: March 14, 2012Date of Patent: March 14, 2017Assignee: STELLA CHEMIFA CORPORATIONInventors: Tetsuo Nishida, Kazuhiko Shogami, Tomoya Satoh
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Patent number: 9588095Abstract: Reagents and methods are disclosed for detection of oxidizers and inorganic salts and other analytes of interest. The reagents can interact with their target analytes, especially oxidizer compositions or oxidizer-based explosives, to selectively enhance their ionization yield, interacting by chemical reaction or by forming an associative adduct which facilitates their detection. For example, the reagents can adduct with the counter-ion of the intended analyte for improved direct detection and/or react chemically via acid-base reactions to produce a new product for detection. In another aspect of the invention, reactive reagents and methods are also disclosed that facilitate indirect detection of the analyte at lower temperatures based on reduction-oxidation (redox) chemistry. These reagents are particularly useful in detecting oxidizer analytes.Type: GrantFiled: July 23, 2013Date of Patent: March 7, 2017Assignee: Massachusetts Institute of TechnologyInventors: Kerin E. Gregory, Roderick R. Kunz, Michael Sworin
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Patent number: 9543619Abstract: Provided herein are functionally substituted fluoropolymers suitable for use in liquid and solid non-flammable electrolyte compositions. The functionally substituted fluoropolymers include phosphate-terminated or phosphonate-terminated perfluoropolyethers (PFPEs) having high ionic conductivity. Also provided are non-flammable electrolyte compositions including phosphate-terminated or phosphonate-terminated perfluoropolyethers (PFPEs) and alkali-metal ion batteries including the non-flammable electrolyte compositions.Type: GrantFiled: February 1, 2016Date of Patent: January 10, 2017Assignee: Blue Current, Inc.Inventors: Alexander Teran, Benjamin Rupert, Eduard Nasybulin, Joanna Burdynska
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Patent number: 9515349Abstract: Disclosed is a process for producing an electrolyte for an electrochemical battery cell. In this process, a Lewis acid, a Lewis base and aluminum are mixed. The mixture is heated for a minimum period of six hours to a temperature above a minimum temperature of at least 200° C. and above the melting point of the mixture. An adduct of the Lewis acid and the Lewis base is thereby formed.Type: GrantFiled: March 31, 2015Date of Patent: December 6, 2016Assignee: Alevo International S.A.Inventors: Laurent Zinck, Christian Pszolla, Claus Dambach
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Patent number: 9472830Abstract: Disclosed is a lithium secondary battery having improved lifespan characteristics. More particularly, a lithium secondary battery comprising a cathode, an anode, a separator interposed between the cathode and anode, and an electrolyte, wherein the anode comprises lithium titanium oxide (LTO) as an anode active material, the electrolyte comprises a lithium salt; a non-aqueous-based solvent; and (a) a phosphate compound which can prevent gas generation during high-temperature storage, (b) a sulfonate compound which can reduce discharge resistance by forming a low-resistance SEI layer, or a mixture of the compound (a) and the compound (b), is disclosed.Type: GrantFiled: December 4, 2014Date of Patent: October 18, 2016Assignee: LG Chem, Ltd.Inventors: Kyoung Ho Ahn, Chul Haeng Lee, Jung Hoon Lee, Doo Kyung Yang, Young Min Lim
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Patent number: 9455470Abstract: The present invention provides a non-aqueous electrolyte solution for a lithium secondary battery, comprising an ester-based compound having a branched-chain alkyl group; and a lithium secondary battery using the same.Type: GrantFiled: April 19, 2013Date of Patent: September 27, 2016Assignee: LG CHEM, LTD.Inventors: Sung-Hoon Yu, Doo-Kyung Yang, Min-Hyung Lee, Min-Jung Jou
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Patent number: 9450243Abstract: To provide trimanganese tetraoxide having a high tap density and a uniform particle size distribution, and its production process. Trimanganese tetraoxide having a tap density of at least 1.5 g/cm3 and a relative standard deviation of the particle size of at most 40%. A process for producing such trimanganese tetraoxide, which comprises a step of mixing a manganese aqueous solution and an alkaline aqueous solution so that the oxidation-reduction potential is at least 0 mV and OH?/Mn2+ (mol/mol) is at most 0.55.Type: GrantFiled: March 21, 2013Date of Patent: September 20, 2016Assignee: TOSOH CORPORATIONInventors: Takahiro Matsunaga, Tadashi Kodama, Naoto Suzuki, Masao Sawano
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Patent number: 9413005Abstract: The invention provides a high-capacity positive electrode active material capable of sufficiently exploiting the excellent characteristics of magnesium metal or the like as a negative electrode active material, such as high energy capacity; a method for producing the same; and an electrochemical device using the positive electrode active material. A positive electrode 11 includes a positive electrode can 1, a positive pole pellet 2 having a positive electrode active material and the like, and a metal mesh support 3. A negative electrode 12 includes a negative electrode cap 4 and a negative electrode active material 5 such as magnesium metal. The positive electrode pellet 2 and the negative electrode active material 5 are disposed so as to sandwich a separator 6, and an electrolyte 7 is injected into the separator 6.Type: GrantFiled: September 2, 2008Date of Patent: August 9, 2016Assignee: Sony CorporationInventors: Kenta Yamamoto, Yuri Nakayama
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Patent number: 9343780Abstract: Provided is a secondary battery capable of preventing metal-plating and curling, the secondary battery including: at least one anode including an anode current collector and an anode active material layer coated on the anode current collector; at least one cathode including a cathode current collector, a cathode active material layer coated on one surface of the cathode current collector, which faces the anode, and an outermost coating layer coated on the other surface of the cathode current collector, which does not face the anode, the outermost coating layer being formed by coating an anode active material, an inorganic particle, or a mixture thereof; and at least one separator positioned between the cathode and the anode.Type: GrantFiled: October 18, 2012Date of Patent: May 17, 2016Assignee: SK INNOVATION CO., LTD.Inventors: Jae Yun Min, Eun Jin Kim
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Patent number: 9325000Abstract: Disclosed is a cathode active material comprising a lithium nickel manganese composite oxide with a spinel structure represented by the following Formula 1, wherein the cathode active material is surface-coated with a silane compound and a silicon content of the silane compound is 0.01 to 5% by weight, based on the total amount of the cathode active material: LixMyMn2?yO4?zAz??(1) wherein 0.9?x?1.2, 0<y<2, and 0?z<0.2; M is at least one element selected from the group consisting of Al, Mg, Ni, Co, Fe, Cr, V, Ti, Cu, B, Ca, Zn, Zr, Nb, Mo, Sr, Sb, W, Ti and Bi; and A is at least one monovalent or bivalent anion. Disclosed is also a secondary battery comprising the same.Type: GrantFiled: April 18, 2013Date of Patent: April 26, 2016Assignee: LG CHEM, LTD.Inventors: SooHyun Lim, Jae Hyun Lee
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Patent number: 9318275Abstract: An electrochemical device is provided with an electric storage element that is constituted by a first electrode sheet, a second electrode sheet, and a separator sheet installed between the two electrode sheets. The separator sheet includes: a first part (high liquid absorptivity part) sandwiched between the two electrode sheets; a second part (low liquid absorptivity part) extending outward from the two electrode sheets; and a third part (contact part) in contact with a rim surface of the second electrode sheet, whereby the electrochemical device can quickly and reliably resolve a phenomenon of the amount of electrolyte decreasing in the part of the separator sheet sandwiched between the two electrode sheets, even if the phenomenon occurs frequently.Type: GrantFiled: September 21, 2012Date of Patent: April 19, 2016Assignee: TAIYO YUDEN CO., LTD.Inventors: Naoto Hagiwara, Kyotaro Mano
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Patent number: 9281541Abstract: An object is to provide a nonaqueous electrolyte and a nonaqueous-electrolyte secondary battery which have excellent discharge load characteristics and are excellent in high-temperature storability, cycle characteristics, high capacity, continuous-charge characteristics, storability, gas evolution inhibition during continuous charge, high-current-density charge/discharge characteristics, discharge load characteristics, etc. The object has been accomplished with a nonaqueous electrolyte which comprises: a monofluorophosphate and/or a difluorophosphate; and further a compound having a specific chemical structure or specific properties.Type: GrantFiled: April 4, 2008Date of Patent: March 8, 2016Assignee: Mitsubishi Chemical CorporationInventors: Hiroyuki Tokuda, Takashi Fujii, Minoru Kotato, Masahiro Takehara, Masamichi Onuki, Youichi Ohashi, Shinichi Kinoshita
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Patent number: 9236746Abstract: A battery control device is provided that uses a discharge to adjust the capacitance of cells that form a bipolar battery and calculates the voltage increase value of the remaining cells that do not discharge to adjust capacitance if one or more cells, among all of the cells that form the bipolar battery, are discharged to adjust capacitance in a battery control device that controls voltage dispersion or volume dispersion between cells that form the bipolar battery; and setting the general discharge value when there is a discharge to adjust capacitance on the basis of the result of the voltage increase value calculation.Type: GrantFiled: August 3, 2011Date of Patent: January 12, 2016Assignee: Nissan Motor Co., Ltd.Inventors: Yukinari Kato, Takaaki Abe, Yasuhito Miyazaki, Yoshio Shimoida
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Patent number: 9214676Abstract: The present invention provides a positive electrode active material for lithium ion batteries having satisfactory battery characteristics. The positive electrode active material for lithium ion batteries, is represented by the following composition formula: Li(LixNi1-x-yMy)O2+? wherein M represents one or more selected from the group consisting of scandium (Sc), titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), copper (Cu), zinc (Zn), gallium (Ga), germanium (Ge), bismuth (Bi), tin (Sn), magnesium (Mg), calcium (Ca), boron (B) and zirconium (Zr); 0?x?0.1; 0<y?0.7; and ?>0, wherein the particle size of primary particles is 1.6 to 2.3 ?m, the alkali amount at the particle surfaces measured by two-stage neutralization titration is 1.2% by mass or less, and when the amount of lithium hydroxide in the alkali amount at the particle surfaces is designated as A % by mass, and the amount of lithium carbonate is designated as B % by mass, the ratio A/B is 1 or less.Type: GrantFiled: March 27, 2012Date of Patent: December 15, 2015Assignee: JX Nippon Mining & Metals CorporationInventor: Kentaro Okamoto
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Patent number: 9214707Abstract: In one embodiment, an electrochemical cell includes a negative electrode, a positive electrode, a precipitation zone located between the negative electrode and the positive electrode and in fluid communication with the positive electrode, and a fluid electrolyte within the positive electrode and the precipitation zone, wherein the precipitation zone is configured such that a discharge product which is produced as the cell discharges is preferentially precipitated within the precipitation zone.Type: GrantFiled: September 17, 2013Date of Patent: December 15, 2015Assignee: Robert Bosch GmbHInventors: John F. Christensen, Paul Albertus, Timm Lohmann, Nalin Chaturvedi
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Patent number: 9194019Abstract: The present disclosure provides an apparatus and a method for recovery of valuable metals. The apparatus includes an electrolytic chlorine producing bath, a dissolution bath disposed at a rear side of the electrolytic chlorine producing bath to perform leaching of a valuable metal content, a gas supplier connected to the dissolution bath to supply a carrier gas, a collection bath disposed at the rear side of the dissolution bath to collect a volatile material, a separation bath separating and purifying a leaching reactant generated in the dissolution bath, and chlorine and sodium hydroxide recirculation lines connecting the electrolytic chlorine producing bath, the dissolution bath and the separation bath. The apparatus permits recovery of valuable metals according to characteristics of the valuable metal, and the chlorine and sodium hydroxide recirculation lines of the apparatus provides optimized recovery rate and efficiency, thereby realizing economic feasibility.Type: GrantFiled: June 22, 2012Date of Patent: November 24, 2015Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCESInventors: Min-Seuk Kim, Jae-Chun Lee
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Patent number: 9178249Abstract: An electrolyte includes a polar aprotic solvent; an alkali metal salt; and an electrode stabilizing compound that is a monomer, which when polymerized forms an electrically conductive polymer. The electrode stabilizing compound is a thiophene, a imidazole, a anilines, a benzene, a azulene, a carbazole, or a thiol. Electrochemical devices may incorporate such electrolytes.Type: GrantFiled: May 26, 2011Date of Patent: November 3, 2015Assignee: UCHICAGO ARGONNE, LLCInventors: Khalil Amine, Ali Abouimrane, Jeffrey S. Moore, Susan A. Odom
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Patent number: 9123931Abstract: Redox flow battery systems having a supporting solution that contains Cl? ions can exhibit improved performance and characteristics. Furthermore, a supporting solution having mixed SO42? and Cl? ions can provide increased energy density and improved stability and solubility of one or more of the ionic species in the catholyte and/or anolyte. According to one example, a vanadium-based redox flow battery system is characterized by an anolyte having V2+ and V3+ in a supporting solution and a catholyte having V4+ and V5+ in a supporting solution. The supporting solution can contain Cl? ions or a mixture of SO42? and Cl? ions.Type: GrantFiled: December 13, 2013Date of Patent: September 1, 2015Assignee: Battelle Memorial InstituteInventors: Liyu Li, Soowhan Kim, Zhenguo Yang, Wei Wang, Zimin Nie, Baowei Chen, Jianlu Zhang, Guanguang Xia
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Patent number: 9115438Abstract: The invention relates to a self-supporting composite element and to a method of producing same. The composite element comprises a substrate of electronic conductive material which is covered with metal nanowires that are essentially oriented along a plane that is perpendicular to the substrate. The element is produced in a cell comprising a cathode which is formed by the substrate to be covered, one or more anodes and an electrolyte which is formed by a solution of a precursor of the metal material and optionally containing a conductive ionic salt, a flat porous membrane which is placed between the cathode and each of the anodes and a spacer element between each membrane and the anode adjacent thereto, the different constituent parts of the cell being maintained in contact.Type: GrantFiled: May 16, 2006Date of Patent: August 25, 2015Assignees: Universite de Picardie Jules Verne, Universite Paul Sabatier (Toulouse III)Inventors: Patrice Simon, Pierre-Louis Taberna, Jean-Marie Tarascon, Jean-Pascal Cambronne, Thierry Lebey
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Patent number: 9077032Abstract: A compound of formula Ab?MgaMbXy or Ab?MgaMb(XOz)y for use as electrode material in a magnesium battery is disclosed, wherein A, M, X, b?, a, b, y, and z are defined herein.Type: GrantFiled: March 2, 2012Date of Patent: July 7, 2015Assignee: PELLON TECHNOLOGIES, INC.Inventors: Robert Ellis Doe, Timothy Keith Mueller, Gerbrand Ceder, Jeremy Barker, Kristin Aslaug Persson
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Patent number: 9048508Abstract: A subject is to provide a nonaqueous electrolyte excellent in cycle performances such as capacity retention after cycling, output after cycling, discharge capacity after cycling, and cycle discharge capacity ratio, output characteristics, high-temperature storability, low-temperature discharge characteristics, heavy-current discharge characteristics, high-temperature storability, safety, high capacity, high output, high-current-density cycle performances, compatibility of these performances, etc. Another subject is to provide a nonaqueous-electrolyte secondary battery employing the nonaqueous electrolyte. The subjects have been accomplished with a nonaqueous electrolyte which contains a monofluorophosphate and/or a difluorophosphate and further contains a compound having a specific chemical structure or specific properties.Type: GrantFiled: October 16, 2009Date of Patent: June 2, 2015Assignee: Mitsubishi Chemical CorporationInventors: Ryoichi Kato, Hiroyuki Tokuda, Takashi Fujii, Minoru Kotato, Masahiro Takehara, Masamichi Onuki, Youichi Ohashi, Shinichi Kinoshita
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Publication number: 20150147625Abstract: The electric storage device includes: an electrode assembly; and an electrolytic solution at least part of which is impregnated into the electrode assembly, wherein the electrode assembly includes, as electrode assembly forming members, at least a positive electrode and a negative electrode that face each other, and contains lithium carbonate, the electrolytic solution contains at least lithium hexafluorophosphate, at least one of the positive electrode and the negative electrode includes an active material layer containing a metal compound, the active material layer includes a peripheral area and an inner area inside the peripheral area, the electrode assembly includes a high-content part the ratio of lithium carbonate content of which is higher than that of the inner area.Type: ApplicationFiled: November 28, 2014Publication date: May 28, 2015Inventors: Kenta Nakai, Takeshi Sasaki
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Publication number: 20150147643Abstract: The present invention provides a purified metal complex having oxalic acid as a ligand and a method for industrially producing a purified non-aqueous solvent solution of the metal complex at low cost. In the method of the present invention, oxalic acid contained in a non-aqueous solvent solution of a metal complex having oxalic acid as a ligand is decomposed by a reaction with a thionyl halide in a non-aqueous solvent, and the decomposition product of the reaction and the unreacted thionyl halide are removed by deaeration.Type: ApplicationFiled: May 29, 2013Publication date: May 28, 2015Inventors: Takayoshi Morinaka, Satoshi Muramoto, Yoshinori Tateishi, Keiji Sato
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Publication number: 20150140446Abstract: This invention relates to electrolytic solutions and secondary batteries containing same. The electrolytic solutions contain lithium bis (fluorosulfonyl) imide and asymmetric borates, asymmetric phosphates and mixtures thereof.Type: ApplicationFiled: October 21, 2014Publication date: May 21, 2015Applicant: BASF CorporationInventor: Wentao Li
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Publication number: 20150140422Abstract: Embodiments of an electrolyte for a hybrid magnesium-alkali metal ion battery are disclosed. The electrolyte includes a magnesium salt, a Lewis acid, and an alkali metal salt. Embodiments of battery systems including the electrolyte also are disclosed.Type: ApplicationFiled: December 19, 2014Publication date: May 21, 2015Inventors: Tianbiao Liu, Jun Liu, Xilin Chen, Yuyan Shao, Guosheng Li, Jiguang Zhang
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Publication number: 20150140448Abstract: Provided is a nonaqueous electrolyte solution battery with dramatically improved battery characteristics. A nonaqueous electrolyte solution battery prepared by using a nonaqueous electrolyte solution comprising (I) an aromatic carboxylic acid ester compound represented by General Formula (1) below; and (II) specific compounds, is improved in charge-discharge characteristics at high current densities, durability performance during high-temperature storage and overcharge characteristics. (in General Formula (1), A1 is —R1 or —OR1, with R1 being an optionally substituted hydrocarbon group with 10 or fewer carbon atoms; A2 is an optionally substituted aryl group; each of j and k is independently 0 or an integer greater than 0, and at least one of j and k is an integer not less than 1; and when k?1, A1 is —OR1, while when k=0, A1 is —R1; and the case of j=1, k=0 is not allowed).Type: ApplicationFiled: December 24, 2014Publication date: May 21, 2015Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Kanako Takiguchi, Masamichi Onuki, Shuhei Sawa
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Publication number: 20150140421Abstract: A secondary battery includes: a cathode including a lithium-oxygen-containing compound; an anode; and non-aqueous electrolytic solution including one or more first anions represented by Formula (1). B(XY)xFyRz-??(1) where X is one of a divalent chain hydrocarbon group, a divalent fluorinated chain hydrocarbon group, and nothing; Y is one of a cyano group (—C?N) and an isocyano group (—N+?C—); R is one of a monovalent fluorinated chain hydrocarbon group and a monovalent fluorinated cyclic hydrocarbon group; and x to z are integers that satisfy x>0, y?0, z?0, (x+y+z)=4, and (y+z)>0.Type: ApplicationFiled: November 7, 2014Publication date: May 21, 2015Inventors: Masayuki IHARA, Shigeru FUJITA
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Patent number: 9034290Abstract: An object the invention is to provide a phosphorus pentafluoride producing process wherein phosphorus pentafluoride is separated/extracted from a pentavalent phosphorus compound or a solution thereof, or a composition obtained by allowing the pentavalent phosphorus compound or the solution thereof to react with hydrogen fluoride, thereby producing phosphorus pentafluoride; and a phosphate hexafluoride producing process wherein the resultant phosphorus pentafluoride is used as raw material to produce a phosphate hexafluoride high in purity. The present invention relates to a process for producing phosphorus pentafluoride, wherein a carrier gas is brought into contact with either of the following one: a pentavalent phosphorus compound, a solution thereof, or a solution in which a composition obtained by allowing the pentavalent phosphorus compound or the solution thereof to react with hydrogen fluoride is dissolved, thereby a phosphorus pentafluoride is extracted into the career gas.Type: GrantFiled: August 11, 2008Date of Patent: May 19, 2015Assignee: STELLA CHEMIFA CORPORATIONInventors: Masahide Waki, Shinji Hashiguchi, Kazutaka Hirano
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Publication number: 20150132664Abstract: 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: ApplicationFiled: September 5, 2014Publication date: May 14, 2015Inventor: Seung-Mo KIM
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Patent number: 9028786Abstract: To provide a technique for simply and easily producing a high-purity difluorophosphate and provide a production process of an electrolytic solution using the obtained difluorophosphate, an electrolytic solution and a secondary battery. A process for producing a difluorophosphate, comprising the following step (1) or (2): (1) reacting (A) at least one member selected from the group consisting of oxoacids, oxoacid anhydrides and oxyhalides of phosphorus with (B) a hexafluorophosphate in the presence of hydrogen fluoride, or (2) reacting at least one halide selected from the group consisting of alkali metal halides, alkaline earth metal halides, aluminum halides and onium halides with difluorophosphoric acid in the presence of a hexafluorophosphate. Also, a nonaqueous electrolytic solution containing the obtained difluorophosphate, and a nonaqueous electrolytic secondary battery containing the nonaqueous electrolytic solution.Type: GrantFiled: May 23, 2011Date of Patent: May 12, 2015Assignees: Stella Chemifa Corporation, Mitsubishi Chemical CorporationInventors: Tetsuo Nishida, Megumi Tomisaki, Kazuhiko Shogami, Hideki Nakashima, Hirofumi Suzuki, Takashi Fujii
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Publication number: 20150125761Abstract: The present invention includes [1] a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing from 0.001 to 5% by mass of a specified acyclic lithium salt in the nonaqueous electrolytic solution and being capable of improving electrochemical characteristics in a broad temperature range; and [2] an energy storage device including a positive electrode, a negative electrode, and a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing from 0.001 to 5% by mass of a specified acyclic lithium salt in the nonaqueous electrolytic solution.Type: ApplicationFiled: May 13, 2013Publication date: May 7, 2015Applicant: UBE INDUSTRIES, LTD.Inventors: Kei Shimamoto, Yuichi Kotou, Shoji Shikita
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Patent number: 9023518Abstract: A battery includes an anode containing a lithium material, a cathode containing sulfur and a porous conducting medium, and an electrolyte, wherein the electrolyte contains an additive selected from the group consisting of an organic surfactant additive, an inorganic additive, and a mixture thereof. The organic surfactant additive may be a fluorosurfactant.Type: GrantFiled: September 14, 2012Date of Patent: May 5, 2015Assignee: Eaglepicher Technologies, LLCInventors: Umamaheswari Janakiraman, Ernest Ndzebet, Thillaiyan Ramanathan, Diana Marmorstein, Mario Destephen, Gregory Miller
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Publication number: 20150118549Abstract: The present invention is to provide a lithium battery with a higher initial capacity than ever before. Disclosed is a lithium battery containing: a cathode containing LiMPO4 (in which M is at least one element selected from the group consisting of Co, Fe, Mn and Ni); an anode containing a lithium titanate; and a liquid electrolyte disposed between the cathode and the anode, wherein the liquid electrolyte contains a lithium salt and sodium salt, and wherein the content of the sodium salt is more than 0 mol % and less than 30 mol % when the total content of the lithium salt and the sodium salt is taken as 100 mol %.Type: ApplicationFiled: October 28, 2014Publication date: April 30, 2015Inventor: Jun YOSHIDA
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Publication number: 20150118575Abstract: A rechargeable lithium battery including a negative electrode including a negative active material, a positive electrode, and an electrolyte solution including an additive, wherein the negative active material includes a Si-based material included in an amount of about 1 to about 70 wt % based on the total amount of the negative electrode, and the additive includes fluoroethylene carbonate and a compound represented by Chemical Formula 1. In the above Chemical Formula 1, R1 to R3 are each independently a substituted or unsubstituted C2 to C5 alkylene group.Type: ApplicationFiled: September 4, 2014Publication date: April 30, 2015Inventors: Tae-Hyun Bae, Woo-Cheol Shin, Sang-Hyun Eom, Myung-Hoon Kim, Seung-Tae Lee, Ae-Ran Kim, Dong-Myung Choi, Ha-Rim Lee
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Publication number: 20150118535Abstract: Metal-sulfur batteries, such as lithium-sulfur batteries, are prepared using one or more organosulfur species such as organic polysulfides and organic polythiolates as part of the liquid or gel electrolyte solution, as part of the cathode, and/or as part of a functionalized porous polymer providing an intermediate separator element.Type: ApplicationFiled: April 9, 2013Publication date: April 30, 2015Applicant: Arkema Inc.Inventors: Gary S. Smith, Lijuan Wang
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Publication number: 20150118579Abstract: The present invention provides an electrolytic solution for a nonaqueous electrolyte battery and a nonaqueous electrolyte battery having excellent cycle characteristics and high-temperature storage characteristics without causing hydrolysis of a fluorine-containing lithium salt, such as LiPF6, contained as a solute and containing a less amount of free fluorine ions, as well as a method of producing the electrolytic solution for a nonaqueous electrolyte battery.Type: ApplicationFiled: May 29, 2013Publication date: April 30, 2015Inventors: Yuki Kondo, Keita Nakahara, Satoshi Muramoto, Takayoshi Morinaka
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Patent number: 9017865Abstract: The lithium primary battery comprises: a positive electrode; a negative electrode including lithium or a lithium alloy; a separator disposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte. A surface of the negative electrode on a side of the carbon material layer has first ruggedness and adheres to a surface of the carbon material layer on a side of the negative electrode. A surface of the carbon material layer on a side of the separator has second ruggedness. The first ruggedness and the second ruggedness correspond to each other. The first ruggedness and the second ruggedness may be ruggedness formed by pressing the carbon material layer onto the surface of the negative electrode, thereby deforming the carbon material layer and the surface of the negative electrode.Type: GrantFiled: September 12, 2011Date of Patent: April 28, 2015Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventor: Yoko Sano
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Patent number: 9017881Abstract: Provided are an electrolyte comprising an amide compound of a specific structure, in which an alkoxy group is substituted with an amine group, and an ionizable lithium salt, and an electrochemical device containing the same. The electrolyte may have excellent thermal and chemical stability and a wide electrochemical window. Also, the electrolyte may have a sufficiently low viscosity and a high ionic conductivity, and thus, may be usefully applied as an electrolyte of electrochemical devices using various anode materials.Type: GrantFiled: September 2, 2011Date of Patent: April 28, 2015Assignee: LG Chem, Ltd.Inventors: Byoung-Bae Lee, Jae-Seung Oh, Ji-Won Park, Hyo-Jin Lee, Dong-Su Kim, Yeon-Suk Hong
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Patent number: 9012072Abstract: This invention generally relates to electrochemical cells utilizing magnesium anodes, new solutions and intercalation cathodes. The present invention is a new rechargeable magnesium battery based on magnesium metal as an anode material, a modified Chevrel phase as an intercalation cathode for magnesium ions and new electrolyte solution from which magnesium can be deposited reversibly, which have a very wide electrochemical window. The Chevrel phase compound is represented by the formula Mo6S8-YSeY in which y is higher than 0 and lower than 2 or by the formula MXMo6S8 in which M is selected from the group comprising of copper (Cu), nickel (Ni), silver (Ag) and/or any other transition metal; further wherein x is higher than 0 and lower than 2.Type: GrantFiled: September 5, 2007Date of Patent: April 21, 2015Assignee: Bar-Ilan UniversityInventors: Doron Aurbach, Elena Levi, Ariel Mitelman, Eli Lancry, Oren Mizrahi, Yosef Gofer, Orit Chasid, Gurukar Shivappa Suresh
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Patent number: 9012095Abstract: 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: GrantFiled: January 8, 2010Date of Patent: April 21, 2015Assignee: Sony CorporationInventors: Masayuki Ihara, Shinya Wakita, Tadahiko Kubota
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Patent number: 9012086Abstract: A magnesium ion battery includes a first electrode including a substrate and an active material deposited on the substrate. Also provided is a second electrode. An electrolyte is located between the first electrode and the second electrode. The electrolyte includes a magnesium compound. The active material includes indium and an intermetallic compound of magnesium and indium.Type: GrantFiled: March 5, 2013Date of Patent: April 21, 2015Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.Inventors: Nikhilendra Singh, Masaki Matsui
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Publication number: 20150104716Abstract: An electrolyte for a lithium secondary battery including a lithium salt, a non-aqueous organic solvent, and a pyrrolidine derivative represented by Formula 1, wherein, in Formula 1, X is hydrogen, a formyl group or a salt thereof, a carboxyl group or a salt thereof, a C1-C20 alkyl group, a C1-C20 hydroxyalkyl group, a C1-C20 aminoalkyl group, a C1-C20 thioalkyl group, or a C1-C20 cyanoalkyl group, and R1 to R4 are each independently hydrogen, deuterium, a halogen atom, a hydroxyl group, a thio group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a formyl group or a salt thereof, a carboxyl group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C1-C20 hydroxyalkyl group, a C2-C20 heteroaryl group, or a C6-C20 aryl group.Type: ApplicationFiled: September 29, 2014Publication date: April 16, 2015Inventors: Yoonsok Kang, Insun Park, Junyoung Mun, Minsik Park, Jinhwan Park, Byungjin Choi
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Patent number: 9005821Abstract: 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: GrantFiled: February 11, 2010Date of Patent: April 14, 2015Assignee: Sony CorporationInventors: Toru Odani, Tadahiko Kubota
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Publication number: 20150099167Abstract: A positive electrode active material layer comprises positive electrode active material particles containing a Li compound or a Li solid solution selected from LixNiaCobMncO2, LixCobMncO2, LixNiaMncO2, LixNiaCobO2 and Li2MnO3 wherein 0.5?x?1.5, 0.1?a<1, 0.1?b<1, and 0.1?c<1, a bonding portion for bonding the positive electrode active material particles with each other and bonding the positive electrode active material particles with a current collector, and an organic coating layer for coating at least part of surfaces of at least the positive electrode active material particles. Having a high strength of bonding with the Li compound, the organic coating layer suppresses direct contact of the positive electrode active material particles and an electrolytic solution even when a lithium-ion secondary battery is used at a high voltage.Type: ApplicationFiled: April 25, 2013Publication date: April 9, 2015Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Hiroki Oshima, Takeshi Maki, Yuki Hasegawa
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Publication number: 20150099166Abstract: A magnesium electrochemical cell having a positive electrode containing a carbon cluster compound as an active material is provided. In a preferred embodiment the carbon cluster material is a comminuted fullerene.Type: ApplicationFiled: October 4, 2013Publication date: April 9, 2015Applicant: Toyota Motor Engineering & Manufacturing North America, Inc.Inventors: Ruigang ZHANG, Fuminori MIZUNO
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Publication number: 20150093624Abstract: A positive electrode composition is provided. The positive electrode composition includes at least one electroactive metal, a first alkali metal halide, an electrolyte comprising a complex metal halide having a second alkali metal halide; and sodium iodide. The electroactive metal is selected from the group consisting of nickel, cobalt, iron, zinc, tin, vanadium, niobium, manganese and antimony; and the first alkali metal halide and the second alkali metal halide independently comprise a halide selected from chlorine, bromine, and fluorine. The composition includes sodium iodide present in an amount in a range from about 0.1 weight percent to about 0.9 weight percent, based on a total weight of metal halides in the positive electrode composition. Related devices also form embodiments of this invention.Type: ApplicationFiled: December 3, 2014Publication date: April 2, 2015Inventors: David Charles Bogdan, JR., Michael Alan Vallance, Richard Louis Hart