Ammonium Patents (Class 429/201)
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Patent number: 10777368Abstract: Embodiments described herein relate to compositions, devices, and methods for storage of energy (e.g., electrical energy). In some cases, devices including polyacetylene-containing polymers are provided.Type: GrantFiled: October 25, 2017Date of Patent: September 15, 2020Assignee: PolyJoule, Inc.Inventors: Ian W. Hunter, Timothy M. Swager, Zhengguo Zhu
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Patent number: 10161688Abstract: A heat storage apparatus according to the present disclosure includes a heat storage material and a member. The heat storage material forms a clathrate hydrate by cooling. The member has a surface with a plurality of holes. In the case that the lattice constant of the clathrate hydrate is denoted by L and the outside diameter of a cage included in the clathrate hydrate is denoted by D, the plurality of holes are spaced at intervals of 1L to 10L, and each of the plurality of holes has a hole diameter of 1D to 20D.Type: GrantFiled: March 18, 2015Date of Patent: December 25, 2018Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Hironobu Machida, Motohiro Suzuki, Shinsuke Takeguchi, Kentaro Shii
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Patent number: 10065936Abstract: The present invention relates to the preparation of sulfur containing ammonium and phosphonium borates KA, wherein K is a compound of formula (I), and A is an anion of formulae (IIa) or (IIb) by bringing into contact ammonium borates with sulfur containing ammonium or phosphonium halides or sulfonates.Type: GrantFiled: February 5, 2016Date of Patent: September 4, 2018Assignee: Gotion Inc.Inventors: Nicole Holub, Juergen Herbel
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Publication number: 20150125760Abstract: There is provided an improvement for capacitors having activated carbon electrodes by the use of an electrolyte solution containing a carbonate of the formula RO(C?O)OR1 and a conductive salt such as a lithium salt or a quaternary ammonium salt at a concentration of from 0.6 to 3 mol/l.Type: ApplicationFiled: November 6, 2013Publication date: May 7, 2015Inventors: W. Novis Smith, Joel R. McCloskey
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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: 8940444Abstract: Hybrid radical energy storage devices, such as batteries or electrochemical devices, and methods of use and making are disclosed. Also described herein are electrodes and electrolytes useful in energy storage devices, for example, radical polymer cathode materials and electrolytes for use in organic radical batteries.Type: GrantFiled: May 21, 2012Date of Patent: January 27, 2015Assignee: Alliance for Sustainable Energy, LLCInventors: Thomas Gennett, David S. Ginley, Wade Braunecker, Chunmei Ban, Zbyslaw Owczarczyk
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Publication number: 20140220456Abstract: The present application is generally directed to energy storage materials such as activated carbon comprising enhanced particle packing properties and devices containing the same. The energy storage materials find utility in any number of devices, for example, in electric double layer capacitance devices and batteries. Methods for making the energy storage materials are also disclosed.Type: ApplicationFiled: January 8, 2014Publication date: August 7, 2014Applicant: EnerG2 Technologies, Inc.Inventors: Henry R. Costantino, Chad Goodwin, William D. Scott, Aaron M. Feaver
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Publication number: 20140199597Abstract: The present disclosure provides an embodiment of an integrated structure that includes a first electrode of a first conductive material embedded in a first semiconductor substrate; a second electrode of a second conductive material embedded in a second semiconductor substrate; and a electrolyte disposed between the first and second electrodes. The first and second semiconductor substrates are bonded together through bonding pads such that the first and second electrodes are enclosed between the first and second semiconductor substrates. The second conductive material is different from the first conductive material.Type: ApplicationFiled: January 15, 2013Publication date: July 17, 2014Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chyi-Tsong Ni, I-Shi Wang, Yi Hsun Chiu, Ching-Hou Sue
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Publication number: 20140193707Abstract: The invention relates to sulfur-containing compounds of the formula I, to their preparation, and to their use as additives in electrochemical or electrooptical devices, more particularly in electrolytes for lithium batteries, lithium ion batteries, double layer capacitors, lithium ion capacitors, solar cells, electrochromic displays, sensors and/or biosensors.Type: ApplicationFiled: August 22, 2012Publication date: July 10, 2014Applicant: BASF SEInventors: Michael Schmidt, Nikolai Ignatyev, Guenter Semrau, Walter Frank, Peter Barthen, Christoph Breitenstein
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Patent number: 8673477Abstract: Li/air battery cells are configurable to achieve very high energy density. The cells include a protected a lithium metal or alloy anode and an aqueous catholyte in a cathode compartment. In addition to the aqueous catholyte, components of the cathode compartment include an air cathode (e.g., oxygen electrode) and a variety of other possible elements.Type: GrantFiled: June 12, 2009Date of Patent: March 18, 2014Assignee: PolyPlus Battery CompanyInventors: Steven J. Visco, Lutgard C. De Jonghe, Yevgeniy S. Nimon, Alexei Petrov, Kirill Pridatko, Bruce Katz
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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: 20140017558Abstract: 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 capacitor. A representative liquid or gel separator comprises a plurality of particles selected from the group consisting of: diatoms, diatomaceous frustules, diatomaceous fragments, diatomaceous remains, and mixtures thereof; a first, ionic liquid electrolyte; and a polymer or, in the printable composition, a polymer or a polymeric precursor. Another representative embodiment further comprises a second electrolyte different from the first electrolyte; 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”). Additional components, such as additional electrolytes and solvents, may also be included.Type: ApplicationFiled: August 9, 2012Publication date: January 16, 2014Applicant: NthDegree Technologies Worldwide Inc.Inventors: Vera Nicholaevna Lockett, Mark David Lowenthal, Neil O. Shotton, William Johnstone Ray, Theodore I. Kamins
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Publication number: 20130309527Abstract: An electrode, the electrode including a conducting layer configured to act, in use, as a charge collector to provide an electrical path for generated and/or stored charge through the conducting layer; a barrier layer, the barrier layer configured to cover a portion of a surface of said conducting layer such that, when the electrode is in contact with an electrolyte, the electrolyte is prevented from substantially contacting and corroding the conducting layer at the covered portion; and an active electrode element configured for use in generation and/or storing charge, the active electrode element positioned in a non-covered portion in electrical contact with the conducting layer to prevent the electrolyte from substantially contacting and corroding the conducting layer in the non-covered portion and to also be exposed to said electrolyte to allow for the generation and/or storage of charge and provide the generated/stored charge to the conducting layer.Type: ApplicationFiled: May 18, 2012Publication date: November 21, 2013Inventors: Yinglin LIU, Pritesh Hiralal, Markku Rouvala, Piers Andrew, Tapani Ryhanen
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Patent number: 8507132Abstract: A battery capable of obtaining a high energy density and obtaining superior cycle characteristics is provided. A spirally wound electrode body 20 having a lamination structure composed of a cathode 21, an anode 22, and a separator 23 is contained in a battery can 11. In the cathode 21, a cathode active material layer 21B containing an ambient temperature molten salt and a cathode active material is provided on a cathode current collector 21A. The content ratio of the ambient temperature molten salt in the cathode active material layer 21B is in the range from 0.1 mass % to 5 mass %. The ambient temperature molten salt is, for example, a tertiary or quaternary ammonium salt that is composed of a tertiary or quaternary ammonium cation and an anion having a fluorine atom.Type: GrantFiled: September 19, 2007Date of Patent: August 13, 2013Assignee: Sony CorporationInventors: Shinya Wakita, Izaya Okae
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Publication number: 20130164610Abstract: A nonaqueous electrolyte of the present invention includes an ionic liquid including a first alicyclic quaternary ammonium cation having one or more substituents, a second alicyclic quaternary ammonium cation having an alicyclic skeleton that is the same as an alicyclic skeleton of the first alicyclic quaternary ammonium cation, and a counter anion to the first alicyclic quaternary ammonium cation and the second alicyclic quaternary ammonium cation and an alkali metal salt. In the second alicyclic quaternary ammonium cation, one of substituents bonded to a nitrogen atom in the alicyclic skeleton is a substituent including a halogen element. In the ionic liquid, the amount of a salt including the second alicyclic quaternary ammonium cation is less than or equal to 1 wt % per unit weight of the ionic liquid, or is less than or equal to 0.8 wt % per unit weight of the nonaqueous electrolyte.Type: ApplicationFiled: December 19, 2012Publication date: June 27, 2013Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventor: Semiconductor Energy Laboratory Co., Ltd.
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Publication number: 20130136998Abstract: An electrolyte composition including a macro azo initiator containing a polyethylene oxide repeating unit, and a multi-functional urethane acrylate-based monomer, a gel polymer electrolyte including the electrolyte composition, and a lithium battery including the gel polymer electrolyte.Type: ApplicationFiled: September 12, 2012Publication date: May 30, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung-sik Hwang, Moon-seok Kwon, Myung-hoon Kim, Jeong-kuk Shon, Min-sang Song, Jae-man Choi
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Publication number: 20130115521Abstract: A magnesium battery electrode assembly is described, including a current collector comprising a metal, an overlayer material on the metal and an electrode layer comprising an electrode active material disposed on the current collector. The overlayer material passivates the metal, or inhibits a corrosion reaction that would occur between the metal and an electrolyte in the absence of the overlayer material.Type: ApplicationFiled: December 21, 2012Publication date: May 9, 2013Applicant: PELLION TECHNOLOGIES, INC.Inventors: Robert Ellis Doe, Kristin A. Persson, David Eaglesham, Andrew Gmitter
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Publication number: 20130095392Abstract: The invention generally encompasses phosphonium ionic liquids, salts, compositions and their use in many applications, including but not limited to: as electrolytes in electronic devices such as memory devices including static, permanent and dynamic random access memory, as electrolytes in energy storage devices such as batteries, electrochemical double layer capacitors (EDLCs) or supercapacitors or ultracapacitors, electrolytic capacitors, as electrolytes in dye-sensitized solar cells (DSSCs), as electrolytes in fuel cells, as a heat transfer medium, among other applications. In particular, the invention generally relates to phosphonium ionic liquids, salts, compositions, wherein the compositions exhibit superior combination of thermodynamic stability, low volatility, wide liquidus range, ionic conductivity, and electrochemical stability. The invention further encompasses methods of making such phosphonium ionic liquids, salts, compositions, operational devices and systems comprising the same.Type: ApplicationFiled: December 5, 2012Publication date: April 18, 2013Inventors: Joon Ho Shin, Benjamin L. Rupert, Levi J. Irwin, Leanne Beer, Shilpa A. Worlikar, Steven Z. Shi
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Publication number: 20130065115Abstract: An electrolyte solution comprising an additive wherein the additive is not substantially consumed during charge and discharge cycles of the electrochemical cell. Additives include Lewis acids, electron-rich transition metal complexes, and electron deficient pi-conjugated systems.Type: ApplicationFiled: September 12, 2012Publication date: March 14, 2013Applicant: WILDCAT DISCOVERY TECHNOLOGIES, INC.Inventors: Steven Kaye, Cory O'Neill, Wei Tong
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Publication number: 20130029232Abstract: A lithium ion secondary battery includes a positive electrode, a negative electrode, a separator and an ionic liquid electrolyte. The separator is a polar porous membrane. The ionic liquid electrolyte and the separator made of the polar porous are used in the lithium ion secondary batteries, which can improve the electrochemical performance of the lithium ion secondary batteries.Type: ApplicationFiled: July 25, 2012Publication date: January 31, 2013Applicant: Microvast New Materials (Huzhou) Co., LTD.Inventors: ZHUOQUN ZHENG, Bin Gu, Hong Wang, Liaoying Ke, Yunhua Nie
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Publication number: 20130004860Abstract: A quaternary ammonium salt of the formula (1), a composition containing the quaternary ammonium salt and an organic solvent, and an electrochemical device using the salt wherein R1 and R2 are both methyl and X? is BF4? or N(CF3SO2)2?.Type: ApplicationFiled: September 13, 2012Publication date: January 3, 2013Inventors: Tetsuo NISHIDA, Yasutaka Tashiro, Megumi Tornisaki, Masashi Yamamoto, Kazutaka Hirano, Akihiro Nabeshima, Hiroaki Tokuda, Kenji Sato, Takashi Higono
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Publication number: 20120295166Abstract: Hybrid radical energy storage devices, such as batteries or electrochemical devices, and methods of use and making are disclosed. Also described herein are electrodes and electrolytes useful in energy storage devices, for example, radical polymer cathode materials and electrolytes for use in organic radical batteries.Type: ApplicationFiled: May 21, 2012Publication date: November 22, 2012Applicant: ALLIANCE FOR SUSTAINABLE ENERGY, LLCInventors: Thomas GENNETT, David S. GINLEY, Wade BRAUNECKER, Chunmei BAN
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Publication number: 20120164541Abstract: A lithium-free, anion based charge transport electrochemical system that uses fluoride ion transporting electrolytes, including ionic liquids, with and without various additives to improve performance, is described. The fluoride ion transporting electrolyte can be wholly or partly an ionic liquid that is typically liquid at temperatures less than 200 degrees Celsius. In other embodiments, electrolytes that remain liquid at less than 100 degrees Celsius are useful.Type: ApplicationFiled: October 14, 2011Publication date: June 28, 2012Applicant: Contour Energy Systems, Inc.Inventors: Isabelle Darolles, Cedric M. Weiss, Maksudul M. Alam, Arunkumar Tiruvannamalai, Simon Christopher Jones
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Publication number: 20120141860Abstract: A method of stabilizing a metal oxide or lithium-metal-oxide electrode comprises contacting a surface of the electrode, prior to cell assembly, with an aqueous or a non-aqueous acid solution having a pH greater than 4 but less than 7 and containing a stabilizing salt, for a time and at a temperature sufficient to etch the surface of the electrode and introduce stabilizing anions and cations from the salt into said surface. The structure of the bulk of the electrode remains unchanged during the acid treatment. The stabilizing salt comprises fluoride and at least one cationic material selected from the group consisting of ammonium, phosphorus, titanium, silicon, zirconium, aluminum, and boron.Type: ApplicationFiled: February 14, 2012Publication date: June 7, 2012Applicant: UCHICAGO ARGONNE, LLCInventors: Michael M. THACKERAY, Sun-Ho KANG, Christopher S. JOHNSON
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Publication number: 20120082905Abstract: Compositions and methods of making are provided for a high energy density aluminum battery. The battery comprises an anode comprising aluminum metal. The battery further comprises a cathode comprising a material capable of intercalating aluminum or lithium ions during a discharge cycle and deintercalating the aluminum or lithium ions during a charge cycle. The battery further comprises an electrolyte capable of supporting reversible deposition and stripping of aluminum at the anode, and reversible intercalation and deintercalation of aluminum or lithium at the cathode.Type: ApplicationFiled: September 28, 2011Publication date: April 5, 2012Inventors: Gilbert M. Brown, Mariappan Parans Paranthaman, Sheng Dai, Nancy J. Dudney, Arumugan Manthiram, Timothy J. McIntyre, Xiago-Guang Sun, Hansan Liu
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Patent number: 8148017Abstract: An electrochemical energy storage device includes a negative electrode which contains a carbon material and has a negative electrode potential of 1.4 V or less relative to a lithium reference when being charged, and a non-aqueous electrolyte solution prepared by dissolving a lithium salt, an ammonium salt, and at least one kind of fluorinated benzene selected among hexafluorobenzene, pentafluorobenzene, 1,2,3,4-tetrafluorobenzene, 1,2,3,5-tetrafluorobenzene, 1,2,4,5-tetrafluorobenzene and 1,2,3-trifluorobenzene, in a non-aqueous solvent.Type: GrantFiled: March 1, 2007Date of Patent: April 3, 2012Assignee: Panasonic CorporationInventors: Tooru Matsui, Masaki Deguchi, Hiroshi Yoshizawa
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Patent number: 8080327Abstract: An electrical storage device utilizing a pyrazine-based cyanoazacarbon or pyrazine-based cyanoazacarbon polymer as a redox active material which can undergo both oxidation and reduction. The device has an ion selective barrier with a cathode side and an anode side; a cathode compartment which is functionally attached to the cathode side of the ion selective barrier and contains a mixture of pyrazine-based cyanoazacarbons, solvent, and positive ions of pyrazine-based cyanoazacarbons; an anode compartment which is functionally attached to the anode side of the ion selective barrier and contains a mixture of pyrazine-based cyanoazacarbons, solvent, and negative ions of pyrazine-based cyanoazacarbons; a cathode which is electrically connected to the cathode compartment; and an anode which is electrically connected to the anode compartment.Type: GrantFiled: June 27, 2011Date of Patent: December 20, 2011Assignee: Vinazene, Inc.Inventor: Paul George Rasmussen
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Publication number: 20110274965Abstract: A nonaqueous electrolyte includes: a solvent, an electrolyte salt, and at least one of heteropolyacid salt compounds represented by the following formulae (I) and (II): HxAy[BD12O40].zH2O (I), HpAq[B5D30O110].rH2O (II). A represents Li, Na, K, Rb, Cs, Mg, Ca, Al, NH4, or an ammonium salt or phosphonium salt; B represents P, Si, As or Ge; D represents at least one element selected from Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Zr, Nb, Mo, Tc, Rh, Cd, In, Sn, Ta, W, Re and Tl; x, y and z are values falling within the ranges of (0?x?1), (2?y?4) and (0?z?5), respectively; and p, q and r are values falling within the ranges of (0?p?5), (10?q?15) and (0?r?15), respectively.Type: ApplicationFiled: February 23, 2011Publication date: November 10, 2011Applicant: SONY CORPORATIONInventors: Ichiro Yamada, Shunsuke Saito, Haruo Watanabe, Tadahiko Kubota
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Publication number: 20110274981Abstract: A nonaqueous electrolytic solution includes: a solvent, an electrolyte salt, a polyacid and/or a polyacid compound, and a monofluorophosphate and/or a difluorophosphate.Type: ApplicationFiled: February 23, 2011Publication date: November 10, 2011Applicant: SONY CORPORATIONInventors: Ichiro Yamada, Shunsuke Saito, Haruo Watanabe, Tadahiko Kubota
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Patent number: 7998615Abstract: The present invention relates to a nonaqueous electrolyte for electrochemical devices, and to electric double-layer capacitor and secondary battery using the said nonaqueous electrolyte. The nonaqueous electrolyte according to the present invention comprises a room temperature molten salt and a fluorohydrocarbon. The nonaqueous electrolyte is flame resistant and can suppress the rise in its viscosity. Therefore, high quality electrochemical devices can be obtained by using the nonaqueous electrolyte. The electric double-layer capacitor according to the present invention comprises a pair of polarizable electrode plates, a separator interposed between the pair of electrode plates, and the inventive nonaqueous electrolyte.Type: GrantFiled: January 12, 2005Date of Patent: August 16, 2011Assignee: Panasonic CorporationInventors: Tooru Matsui, Masaki Deguchi, Hiroshi Yoshizawa
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Publication number: 20110143219Abstract: A fluoride ion battery includes a substantially lithium-free anode and cathode. At least one of the anode or cathode contains fluorine, and a substantially lithium-free liquid electrolyte is used for charge transport. The electrolyte is liquid at temperatures below about 200 degrees Celsius, and can be formed from an organic-soluble fluoride salt dissolved in selected classes of solvents.Type: ApplicationFiled: December 9, 2010Publication date: June 16, 2011Applicant: Contour Energy Systems, Inc.Inventors: Cedric M. Weiss, Simon Christopher Jones, Arunkumar Tiruvannamalai, Isabelle Darolles, Maksudul M. Alam, Sohrab Hossain
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Publication number: 20110070486Abstract: An object of the invention is to provide an ionic liquid having a low viscosity and low melting point, and having a high electrical conductivity and thermal stability. The ionic liquid comprises fluorosulfonyl(trifluoromethylsulfonylamide) (FTA) as an anion and a cation selected from N1111, N1112, N1113, N1122, N1133, N2221, N1224, DEME, N2222, N3333, N4444, N5555, AS44, DMI, PMI, BMI, Py11, Py12, Py14, PP11, PP12, PP13, PP14, P2222, and PS44.Type: ApplicationFiled: May 1, 2009Publication date: March 24, 2011Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Hajime Matsumoto, Naohiro Terasawa, Hikari Sakaebe, Seiji Tsuzuki
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Publication number: 20110039149Abstract: A battery is described. The battery includes an anode, a cathode, a separator disposed between the cathode and the anode, and an electrolyte. The cathode further includes manganese.Type: ApplicationFiled: August 14, 2009Publication date: February 17, 2011Inventors: Yichun Wang, James Joseph Cervera, Tatjana Mezini, Kirakodu S. Nanjundaswamy, Fan Zhang
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Patent number: 7641807Abstract: Process for the manufacture of tetraalkylammonium tetrafluoroborate-containing electrolyte compositions characterized in that said process comprises step (i): (i) mixing of at least one tetraalkylammonium halide with at least one metal tetrafluoroborate in at least one organic solvent, which is partially or completely miscible with water.Type: GrantFiled: October 31, 2003Date of Patent: January 5, 2010Assignee: Honeywell International IncInventors: Alfred Siggel, Michael Fooken, Christian Liepelt, Michael Theissen
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Patent number: 7582389Abstract: A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode and a non-aqueous electrolyte, wherein the non-aqueous electrolyte includes an onium compound, a lithium salt and a chain carbonate having a C?C unsaturated bond. The onium compound is preferably at least one selected from the group consisting of a chain quaternary ammonium compound, a pyrrolidinium compound and a piperidinium compound. The chain carbonate having a C?C unsaturated bond is preferably at least one selected from the group consisting of diallyl carbonate and allyl phenyl carbonate.Type: GrantFiled: August 29, 2005Date of Patent: September 1, 2009Assignee: Panasonic CorporationInventors: Tooru Matsui, Masaki Deguchi, Hiroshi Yoshizawa
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Patent number: 7524587Abstract: An aluminum secondary battery exhibiting favorable characteristics is provided. The present invention relates to a non-aqueous electrolyte comprising an electrolyte containing Al(CF3SO3)3 and a room temperature molten salt of a quaternary ammonium salt where CF3SO3? is anion, and to an aluminum secondary battery containing that non-aqueous electrolyte.Type: GrantFiled: May 11, 2007Date of Patent: April 28, 2009Assignee: Panasonic CorporationInventor: Atsushi Omote
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Patent number: 7407725Abstract: In a non-aqueous electrolyte secondary cell including a positive electrode, a negative electrode and a non-aqueous electrolyte, the negative electrode includes a material capable of absorbing or releasing lithium and wherein the non-aqueous electrolyte contains a room-temperature molten salt having a melting point of 60° C. or less and a lithium salt.Type: GrantFiled: October 21, 2002Date of Patent: August 5, 2008Assignee: Sanyo Electric Co., Ltd.Inventors: Masahide Miyake, Masahisa Fujimoto, Hideyuki Koga, Hisaki Tarui, Shin Fujitani, Masaharu Itaya
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Patent number: 7258947Abstract: The present invention provides electrolyte that can suppress reduction of battery efficiencies and capacities with increased cycles of charge/discharge of the battery, a method for producing the same, and a redox flow battery using the same electrolyte. The redox flow battery uses the electrolyte having a NH4 content of not more than 20 ppm and a relation of Si concentration (ppm)×electrolyte quantity (m3)/electrode area (m2) of less than 5 ppm·m3/m2. By limiting a quantity of contaminants in the electrolyte, a clogging of carbon electrodes to cause reduction of the battery performances with increased charge/discharge operations can be suppressed.Type: GrantFiled: April 30, 2002Date of Patent: August 21, 2007Assignees: Sumitomo Electric Industries, Ltd., The Kansai Electric Power Co., Inc.Inventors: Michiru Kubata, Hiroyuki Nakaishi, Nobuyuki Tokuda
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Patent number: 6911281Abstract: A non-aqueous electrolyte is disclosed, which comprises a non-aqueous solvent and a solute represented by the general formula(1): MBR1R2R3R4, wherein M is an alkali metal atom or an ammonium group and R1 to R4 are each independently electron withdrawing groups or electron withdrawing atoms bound to B where at least one of R1 to R4 is other than a fluorine atom. The solute has a thermal stability substantially equal to that of LiBF4 and an anion portion having a high electronegativity, and easily dissociates into ions. Therefore, a non-aqueous electrolyte containing this solute has a high ionic conductivity and is difficult to cause a generation of a gas or deterioration in characteristics due to the decomposition of the solute, which occurs during use at high temperatures or after storage at high temperatures.Type: GrantFiled: July 10, 2001Date of Patent: June 28, 2005Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kumiko Sonoda, Atsushi Ueda, Kazuya Iwamoto
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Patent number: 6589692Abstract: There is provided an aluminum battery which comprises a positive electrode, a negative electrode containing at least one kind of active material selected from the group consisting of aluminum metal and aluminum alloys, and an electrolyte containing a halogen ion and at least one kind of ion selected from the group consisting of sulfate ion (SO42−) and nitrate ion (NO3−).Type: GrantFiled: February 28, 2001Date of Patent: July 8, 2003Assignee: Kabushiki Kaisha ToshibaInventor: Norio Takami
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Patent number: 6558838Abstract: A non-aqueous electrolyte comprises an aluminum halide and a quaternary ammonium halide dissolved in a non-aqueous solvent. A non-aqueous electrolytic cell is also described, which comprises an anode made od Al or its alloy, an cathode and the non-aqueous electrolyte provided between the anode and the cathode. The non-aqueous electrolyte is suitable for electrodeposition of aluminum from the electrolyte. Because aluminum is reversibly electrodeposited from and dissolved in the electrolyte, the electrolyte is usable for making secondary cells having good charge and discharge characteristics and a high energy density.Type: GrantFiled: February 11, 2000Date of Patent: May 6, 2003Assignee: Sony CorporationInventors: Kazuhiro Noda, Kenichi Takahashi, Koichi Tanaka, Haruo Watanabe
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Patent number: 6492057Abstract: An alkaline electrochemical cell having a hydrogen absorbing alloy negative electrode. The electrochemical cell comprises an alkaline electrolyte comprising an additive material which reduces cell pressure by decreasing hydrogen gas evolution.Type: GrantFiled: April 14, 1999Date of Patent: December 10, 2002Assignee: Ovonic Battery Company, Inc.Inventors: Stanford R. Ovshinsky, Srinivasan Venkatesan, Boyko Alajov, Kevin Fok, Thomas J. Hopper, James L. Strebe
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Patent number: 5660947Abstract: Disclosed is a stable and environmentally compatible explosion-safe electrolyte for use in a galvanic cell. The electrolyte comprises salts of the composition ABL.sub.2, wherein A is lithium or a quarternary ammonium ion, B is boron, and L is a bidentate ligand which is bound to the central boron atom by two oxygen atoms. Described are the production and the electrochemical properties of several compositions.Type: GrantFiled: February 20, 1996Date of Patent: August 26, 1997Inventor: Manfred Wuhr
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Patent number: 5616274Abstract: A stable ion-conductive polymer electrolyte for an electrolytic capacitor comprises: a polymer made up of a prepolymer which has a polyol skeletal structure including polyalkylene oxide units, at least one ammonium salt, and at least one organic solvent. The skeletal structure is exemplified as trimethylol propane, trimethylolol ethane or tetramethylol methane.Type: GrantFiled: October 18, 1994Date of Patent: April 1, 1997Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Teruhisa Kanbara, Yuichiro Tsubaki, Kenichi Takeyama
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Patent number: 4948490Abstract: Electrochemically stable, non-hygroscopic ionically conducting solid electrolyte films for use in environmental sensors feature an amount of tetraalkylammonium salt in one or more aprotic solvents together with an amount of organic polymeric matrix material and an amount of a plasticizer, if desired.Type: GrantFiled: July 28, 1989Date of Patent: August 14, 1990Assignee: Honeywell Inc.Inventor: H. V. Venkatasetty
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Patent number: 4877695Abstract: An electrochemical cell comprising an anode composed of a molten mixture of non-lithium alkali metals, a cathode comprising an electrically conductive carbonaceous material and an electrolyte comprising an electrolyte salt and a non-aqueous solvent.Type: GrantFiled: November 1, 1988Date of Patent: October 31, 1989Assignee: The Dow Chemical CompanyInventors: Robert A. Cipriano, R. Vernon Snelgrove, Francis P. McCullough, Jr.
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Patent number: 4780380Abstract: Porous lithium electrodes for use in nonaqueous electrochemical cells are prepared by depositing lithium from solution in liquid ammonia.Type: GrantFiled: June 7, 1984Date of Patent: October 25, 1988Assignee: Standard Oil Company (Indiana)Inventor: Keith B. Prater
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Patent number: 4753859Abstract: A nonaqueous, lithium cell is described which exhibits excellent safety characteristics when exposed to abusive testing, as well as high energy density, good charge and discharge rates, and long recycle life. Particularly unique is the composition of the electrolyte which contains such substances as ethylene carbonate, propylene carbonate and one or more polyethylene glycol dialkyl ethers.Type: GrantFiled: October 13, 1987Date of Patent: June 28, 1988Assignee: American Telephone and Telegraph Company, AT&T LaboratoriesInventors: Laura E. Brand, Ignacio Chi, Shelie M. Granstaff, Jr., Brijesh Vyas
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Patent number: 4684590Abstract: A solvated electron lithium electrode comprising a solution of lithium dissolved in liquid ammonia with a lithium intercalating membrane is provided for use in rechargeable high energy density lithium-based cells utilizing a lithium ion conducting liquid non-aqueous electrolyte with a solid positive electrode, or utilizing liquid lithium ion conducting positive electroactive material. The rechargeable lithium-based cell according to the present invention reduces coulombic efficiency losses associated with surface morphological changes at a solid lithium electrode, and is suitable for electrical vehicle propulsion and load leveling applications.Type: GrantFiled: August 29, 1986Date of Patent: August 4, 1987Assignee: Eltron Research, Inc.Inventor: Anthony F. Sammells
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Patent number: 4668593Abstract: A solvated electron lithium electrode comprising a solution of lithium dissolved in liquid ammonia is provided for use in rechargeable high energy density lithium-based cells utilizing a lithium ion conducting solid electrolyte to separate the liquid solvated negative electrode from liquid positive electroactive material or electrolyte. The rechargeable lithium-based cell according to the present invention reduces coulombic efficiency losses associated with surface morphological changes at a solid lithium electrode, and is suitable for electrical vehicle propulsion and load leveling applications.Type: GrantFiled: August 29, 1986Date of Patent: May 26, 1987Assignee: Eltron Research, Inc.Inventor: Anthony F. Sammells