Electrolytes For Electrical Devices (e.g., Rectifier, Condenser) Patents (Class 252/62.2)
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Patent number: 10643794Abstract: A roll-up type capacitor includes a cylindrical part, a first external electrode, and a second external electrode. The cylindrical part is a rolled-up laminate in which a lower electrode layer, a dielectric layer and an upper electrode layer are laminated in this order. The first external electrode is electrically connected to the upper electrode layer, and the second external electrode is electrically connected to the lower electrode layer, and the first external electrode and the second external electrode are respectively located on opposed sides of the cylindrical part such that they face to each other.Type: GrantFiled: February 23, 2017Date of Patent: May 5, 2020Assignees: MURATA MANUFACTURING CO., LTD., LEIBNIZ INSTITUTE FOR SOLID STATE AND MATERIALS RESEARCH DRESDENInventors: Shoichiro Suzuki, Akira Ando, Koichi Banno, Oliver G Schmidt, Daniel Grimm
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Patent number: 10644351Abstract: The invention relates to a polymer electrolyte comprising a silicone polymer bearing pending polyoxyalkylene ether groups, at least one fluorinated salt and a solvent, said solvent representing between 10% and 60% by weight, relative to the total weight of the silicone polymer bearing pending polyoxyalkylene ether groups, of the fluorinated salt and of the solvent, and said solvent comprising at least one polyether solvent. In addition, the invention also relates to a process for producing said polymer electrolyte and to the uses thereof as an electrolyte in an electrochemical device, in particular as an electrolyte in a battery or in an electronic display device, in particular an electrochemical device.Type: GrantFiled: April 20, 2016Date of Patent: May 5, 2020Assignee: RHODIA OPERATIONSInventor: Olivier Buisine
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Patent number: 10642024Abstract: An electrowetting device which includes a polarizable liquid; and a nonpolar solution separated from the polarizable liquid by an interface. The polarizable liquid may include a polar solvent, an organic acid, and ammonium hydroxide having at least one alkyl group.Type: GrantFiled: March 27, 2015Date of Patent: May 5, 2020Assignees: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATIONInventors: Kyuhwan Choi, Jungmok Bae, Yongjoo Kwon, Yunhee Kim, Taekdong Chung, Yoonsun Choi
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Patent number: 10636587Abstract: A low-cost electrochemical capacitor is provided which has high capacity and excellent charging and discharging characteristics, simultaneously has excellent safety and reliability, and has the basic performance as a capacitor, achieved in that between a negative electrode and a positive electrode, a solution of a specific polyether copolymer, an inorganic or organic filler, and an electrolyte salt is selected as appropriate as the electrolyte and is held between the two electrodes. This low-cost electrochemical capacitor has the basic performance of a capacitor, has high capacity and excellent charging and discharging characteristics, and simultaneously has excellent safety and reliability.Type: GrantFiled: March 30, 2016Date of Patent: April 28, 2020Assignee: OSAKA SODA CO., LTD.Inventors: Takashi Matsuo, Masato Tabuchi, Hideaki Ueda, Katsuhito Miura
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Patent number: 10629894Abstract: A cathode material for an electrochemical cell, in particular a lithium-sulfur cell, including at least one cathode active material and at least one in particular lithium ion-conducting or lithium ion-conductive polymer electrolyte and/or at least one inorganic ion conductor, in particular a lithium ion conductor. The at least one cathode active material includes a polymer containing in particular covalently bound sulfur. Moreover, also described is a cell and a battery equipped with same.Type: GrantFiled: June 5, 2015Date of Patent: April 21, 2020Assignee: Robert Bosch GmbHInventors: Jean Fanous, Bernd Schumann, Joerg Thielen
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Patent number: 10626228Abstract: Disclosed are a lithium salt/polyacrylonitrile/thermosetting resin composite material and a preparation method therefor. 100 parts of polyacrylonitrile and 550-1100 parts of N,N-dimethyl formamide by mass are stirred at a temperature of 25° C.-80° C., and a uniform and transparent polyacrylonitrile solution is obtained; further, 8-36 parts of a lithium salt is added; and the mixture is stirred until a uniform and transparent lithium salt/polyacrylonitrile solution is obtained. A heat-curable resin is added to the lithium salt/polyacrylonitrile solution, and is uniformly mixed. The obtained composite solution is made into a film, and a lithium salt/polyacrylonitrile/thermosetting resin composite material is then obtained after curing and post-treatment.Type: GrantFiled: November 29, 2016Date of Patent: April 21, 2020Assignee: SOOCHOW UNIVERSITYInventors: Guozheng Liang, Sheng Sun, Aijuan Gu, Li Yuan
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Patent number: 10601031Abstract: A polymer or a polymer electrolyte and cathode material for an alkali metal cell, in particular for a lithium-sulfur cell. To improve the performance and reliability of alkali metal cells, for example lithium-sulfur cells, a polymer based on the general chemical formula (I) is provided, where -[A]- stands for a unit which forms a polymer backbone, X stands for a spacer, x stands for the number of spacers X and is 1 or 0, Q stands for a positively charged group Q+ and a counterion Z?, or Q stands for a negatively charged group Q? and a counterion Z+, or Q stands for an uncharged group. Moreover, the invention relates to the use thereof, and a cathode, a separator, a protective layer, and a cell.Type: GrantFiled: June 5, 2015Date of Patent: March 24, 2020Assignee: Robert Bosch GmbHInventors: Jean Fanous, Bernd Schumann, Joerg Thielen
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Patent number: 10600579Abstract: An electrolytic capacitor includes an anode body, a first conductive polymer layer, and a second conductive polymer layer. The anode body includes a dielectric layer. The first conductive polymer layer covers at least a part of the dielectric layer. The second conductive polymer layer covers at least a part of the first conductive polymer layer. The first conductive polymer layer includes a first conductive polymer. The second conductive polymer layer includes a second conductive polymer. At least one of the first conductive polymer layer and the second conductive polymer layer further includes a hydroxy compound. The hydroxy compound has two or more alcoholic hydroxy groups or two or more phenolic hydroxy groups, and has a melting point ranging from 40° C. to 150° C., inclusive.Type: GrantFiled: September 12, 2017Date of Patent: March 24, 2020Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Youichirou Uka, Katsuya Miyahara, Hiroshi Kojima
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Patent number: 10601076Abstract: The present invention relates to a composition for a gel polymer electrolyte and a gel polymer electrolyte prepared using the same, and specifically provides a composition for a gel polymer electrolyte including a lithium salt, an organic solvent, and a polymer A having an epoxy group represented by Formula 1, and a polymer B having an amine group and a cyanide group represented by Formula 2, wherein the polymers A and B are included in an amount of 1 to 20 wt % based on the total weight of the composition for a gel polymer electrolyte, and wherein a gel polymer electrolyte for a secondary battery can be prepared that includes a polymer network formed by combining the polymer A having an epoxy group represented by Formula 1 and the polymer B having an amine group and a cyanide group represented by Formula 2 in a three-dimensional structure.Type: GrantFiled: March 30, 2017Date of Patent: March 24, 2020Assignee: LG Chem, Ltd.Inventors: Kyoung Ho Ahn, Jung Hoon Lee, Chul Haeng Lee, Jeong Woo Oh, Yi Jin Jung, Sol Ji Park
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Patent number: 10593488Abstract: The present invention provides a nonaqueous electrolytic solution that provides an electric double layer capacitor having excellent durability. The nonaqueous electrolytic solution of the present invention is a nonaqueous electrolytic solution for electric double layer capacitors prepared by dissolving a quaternary ammonium salt as an electrolyte in a nonaqueous solvent, and the nonaqueous electrolytic solution has an alkali metal cation concentration of 0.1 to 30 ppm.Type: GrantFiled: December 11, 2014Date of Patent: March 17, 2020Assignee: OTSUKA CHEMICAL CO., LTD.Inventors: Yoshihisa Tokumaru, Yoshihiro Okada, Taiji Nakagawa, Shoji Hiketa, Koichi Sorajo
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Patent number: 10581049Abstract: A nonaqueous electrolyte secondary battery (100) includes a positive electrode (30), a negative electrode (40), a separator (50), a nonaqueous electrolytic solution, and a battery case (10). The positive electrode includes a positive electrode current collector (32) and a positive electrode active material layer (34). The separator includes a separator substrate (52) and a heat resistance layer (54). The separator substrate has an opposite surface opposite the positive electrode active material layer. The heat resistance layer constitutes at least a part of the opposite surface and contains a heat-resistant filler and a binder. The positive electrode active material layer has an adjacent region (X). The heat resistance layer has an opposite region (Y) opposite at least an end portion of the adjacent region. The end portion of the adjacent region is adjacent to a positive electrode current collector exposure portion (33). The opposite region contains at least a calcium salt of carboxymethyl cellulose.Type: GrantFiled: April 15, 2015Date of Patent: March 3, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideyuki Saka, Tatsuya Hashimoto, Yusuke Fukumoto, Keisuke Ohara, Kouichi Toriyama
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Patent number: 10559432Abstract: An electrolytic capacitor includes a capacitor element. The capacitor element includes: an anode foil having a dielectric layer thereon, and a cathode layer including a conductive polymer and in contact with the dielectric layer. The capacitor element is impregnated with a liquid containing at least one of polyalkylene glycol and derivatives selected from a group consisting of polyethylene glycol glyceryl ether, polyethylene glycol diglyceryl ether, polyethylene glycol sorbitol ether, polypropylene glycol glyceryl ether, polypropylene glycol diglyceryl ether, polypropylene glycol sorbitol ether, copolymers of ethylene glycol and propylene glycol, copolymers of ethylene glycol and butylene glycol, and copolymers of propylene glycol and butylene glycol.Type: GrantFiled: March 27, 2018Date of Patent: February 11, 2020Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Hiroyuki Matsuura, Shigetaka Furusawa, Hidehiro Sasaki, Tatsuji Aoyama
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Patent number: 10530008Abstract: The present invention relates to a method for producing lithium fluorosulfonate which comprises reacting a lithium salt and fluorosulfonic acid in a nonaqueous solvent, wherein the lithium salt is a lithium salt not generating water through the reaction step.Type: GrantFiled: October 11, 2013Date of Patent: January 7, 2020Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Daisuke Kawakami, Ryo Yamaguchi, Hiroyuki Tokuda, Masahiro Takehara
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Patent number: 10522287Abstract: A multilayer ceramic electronic component in which an interface of an edge region of an external electrode that extends around to a side surface of a ceramic body and the ceramic configuring a surface of the ceramic body, an inorganic matter is present containing 26 mol % or more and less than 45 mol % of SiO2 and having a molar ratio (TiO2+ZrO2)/(SiO2+TiO2+ZrO2) of 0.154 or more, or an inorganic matter is present containing 45 mol % or more of SiO2 and having a molar ratio (TiO2+ZrO2)/(SiO2+TiO2+ZrO2) of 0.022 or more. Furthermore, the inorganic matter may contain B2O3 having a molar ratio relative to SiO2 within 0.25?B2O3/SiO2?0.5.Type: GrantFiled: May 21, 2018Date of Patent: December 31, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Seiji Koga, Takashi Omori, Jun Ikeda
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Patent number: 10510971Abstract: Described are materials and methods for fabricating low-voltage MHz ion-gel-gated thin film transistor devices using patternable defect-free ionic liquid gels. Ionic liquid gels made by the initiated chemical vapor deposition methods described herein exhibit a capacitance of about 1 ?F cm?2 at about 1 MHz, and can be as thin as about 20 nm to about 400 nm.Type: GrantFiled: July 18, 2018Date of Patent: December 17, 2019Assignee: Massachusetts Institute of TechnologyInventors: Andong Liu, Karen K. Gleason, Minghui Wang
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Patent number: 10505228Abstract: The present invention provides a method for producing low-water-content electrolyte solutions. In particular, the present invention provides a method of removing water from a liquid solution comprising a non-aqueous solvent, a hygroscopic metal salt and water. It also provides a method for producing a low-water content electrolyte solution without isolation of the metal salt. The method of the invention is useful in producing low water content electrolyte solutions for batteries such as lithium- or lithium-ion batteries.Type: GrantFiled: January 30, 2018Date of Patent: December 10, 2019Assignee: Synthio Chemicals, LLCInventors: Joseph Carl Poshusta, Jerry Lynn Martin
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Patent number: 10476108Abstract: A non-aqueous electrolyte solution for a secondary battery, including a boron compound represented by Formula (1). In Formula (1), R represents an alkyl group having from 1 to 12 carbon atoms, an alkenyl group having from 2 to 12 carbon atoms, or a group represented by Formula (2). In Formula (2), each of R1 to R3 independently represents a hydrogen atom, a halogen atom, an alkyl group having from 1 to 12 carbon atoms, an alkenyl group having from 2 to 12 carbon atoms, or an aryl group having from 6 to 12 carbon atoms, and * represents a bonding site with an oxygen atom in Formula (1).Type: GrantFiled: November 2, 2016Date of Patent: November 12, 2019Assignees: MITSUI CHEMICALS, INC., GS YUASA INTERNATIONAL LTD.Inventors: Masataka Miyasato, Takashi Hayashi, Satoko Fujiyama, Akira Kishimoto, Hiroe Nakagawa
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Patent number: 10476105Abstract: Systems and methods of providing self-healing gel-type electrolyte composites for metal batteries are disclosed. According to aspects of the disclosure, a method includes preparing a ternary mixture including an electrolyte portion, a matrix precursor portion, and a self-healing portion, forming a self-healing gel-electrolyte membrane by initiating polymerization of the gel-forming precursor and the gel-forming initiator to thereby form a polymer matrix, and disposing the self-healing gel-electrolyte membrane between an anode and a cathode. The self-healing portion includes a self-healing precursor that is flowable and a self-healing initiator. The matrix precursor portion includes a gel-forming precursor and a gel-forming initiator. The electrolyte portion and the self-healing portion are disposed substantially throughout the polymer matrix and the polymer matrix includes a plurality of gel-forming active sites.Type: GrantFiled: August 18, 2017Date of Patent: November 12, 2019Assignee: GM Global Technology Operations LLCInventors: Fang Dai, Mahmoud Abd Elhamid, Mei Cai, Anne M. Dailly, Robert M. Lapierre
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Patent number: 10453618Abstract: An electrolytic capacitor includes a capacitor element and an electrolyte solution. The capacitor element includes: an anode foil on which a dielectric layer is formed; a cathode foil which is opposite to the anode foil; and a conductive polymer layer that is interposed between the anode foil and the cathode foil, conductive polymer layer including a conductive polymer. A conductive layer provided with a carbon layer including conductive carbon is formed on the cathode foil. The conductive polymer layer is a layer formed with use of a dispersion or a solution containing the conductive polymer. And a proportion of water in the electrolyte solution ranges from 0.1% by mass to 6.0% by mass, inclusive.Type: GrantFiled: October 5, 2017Date of Patent: October 22, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Yasuhiro Tsuda
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Patent number: 10446871Abstract: The present invention is concerned with (1) a lithium salt compound including a lithium cation including, as a ligand, at least one ether compound selected from 2,5,8,11-tetraoxadodecane and 2,5,8,11,14-pentaoxapentadecane and a difluorophosphate anion; (2) a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing the aforementioned lithium salt compound; (3) a lithium ion secondary battery including a positive electrode, a negative electrode, and the aforementioned nonaqueous electrolytic solution; (4) a lithium ion capacitor using the aforementioned nonaqueous electrolytic solution; and (5) a production method of the aforementioned lithium salt compound, including bringing the aforementioned ether compound and lithium difluorophosphate into contact with each other.Type: GrantFiled: December 21, 2015Date of Patent: October 15, 2019Assignee: UBE INDUSTRIES, LTD.Inventor: Junichi Chika
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Patent number: 10403932Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Set forth herein are methods for preparing novel structures, including dense thin free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.Type: GrantFiled: February 10, 2017Date of Patent: September 3, 2019Assignee: QuantumScape CorporationInventors: Dong Hee Anna Choi, Niall Donnelly, Tim Holme, Will Hudson, Sriram Iyer, Oleh Karpenko, Mohit Singh, Adrian Winoto
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Patent number: 10388988Abstract: Salts of bicyclic imidazole compounds (IV) having general structural formulae in which A represents a monovalent cation, X represents independently a carbon atom, an oxygen atom, a sulphur atom or a nitrogen atom. Also, an associated production method and a use thereof, in particular as an electrolyte component for batteries.Type: GrantFiled: April 25, 2013Date of Patent: August 20, 2019Assignee: ARKEMA FRANCEInventor: Grégory Schmidt
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Patent number: 10381169Abstract: An aqueous electrolyte for a capacitor contains at least one transition metal complex. An aqueous electrolyte containing at least one transition metal complex can be used in a supercapacitor, in a pseudocapacitor, or in a hybrid supercapacitor. A hybrid supercapacitor contains an aqueous electrolyte, which contains at least one transition metal complex.Type: GrantFiled: February 23, 2017Date of Patent: August 13, 2019Assignee: Robert Bosch GmbHInventors: Elisabeth Buehler, Mathias Widmaier, Pallavi Verma, Severin Hahn, Thomas Eckl
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Patent number: 10374252Abstract: A fluoride ion battery in which an occurrence of a short circuit is suppressed achieves the object by providing a fluoride ion battery including: an electrode layer that includes a first metal element or a carbon element and has capability of fluorination and defluorination; a solid electrolyte layer containing a solid electrolyte material, the solid electrolyte material including a second metal element with lower fluorination potential and defluorination potential than the potentials of the first metal element or the carbon element; and an anode current collector, in this order; and an anode active material layer being not present between the solid electrolyte layer and the anode current collector; and at least one of the solid electrolyte layer and the anode current collector includes a simple substance of Pb, Sn, In, Bi, or Sb, or an alloy containing one or more of these metal elements.Type: GrantFiled: September 19, 2017Date of Patent: August 6, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Hidenori Miki
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Patent number: 10343527Abstract: Between an anode active material layer and a separator, a recess impregnation region of an anode side in which electrolytes and solid particles are disposed and including a recess that is located between adjacent anode active material particles positioned on the outermost surface of the anode active material layer is formed. Between a cathode active material layer and a separator, a recess impregnation region of a cathode side in which electrolytes and solid particles are disposed and including a recess that is located between adjacent cathode active material particles positioned on the outermost surface of the cathode active material layer is formed. The solid particles in the recess impregnation regions of the cathode side and the anode side have a concentration that is 30 volume % or more.Type: GrantFiled: January 20, 2015Date of Patent: July 9, 2019Assignee: Murata Manufacturing Co., Ltd.Inventors: Kazuhito Hatta, Nobuaki Shimosaka, Masaki Machida, Manabu Aoki, Masahiro Miyamoto
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Patent number: 10340089Abstract: A method for producing an electrolytic capacitor according to the present disclosure includes a first step of preparing a capacitor element that includes an anode body having a dielectric layer; a second step of impregnating the capacitor element with a first treatment solution containing at least a conductive polymer and a first solvent; and a third step of impregnating, after the second step, the capacitor element, in which at least a part of the first solvent remains, with a second treatment solution containing a coagulant to coagulate the conductive polymer.Type: GrantFiled: December 14, 2016Date of Patent: July 2, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tatsuji Aoyama, Yukiya Shimoyama, Junya Kushizaki, Takuya Maruta
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Patent number: 10325731Abstract: An electrolytic capacitor includes a capacitor element and an electrolyte solution. The capacitor element includes an anode foil, a cathode foil opposite to the anode foil, and a conductive polymer layer interposed between the anode foil and the cathode foil. A dielectric layer is formed on the anode foil. An inorganic conductive layer is formed on the cathode foil. The conductive polymer layer includes a conductive polymer. The cathode foil has a roughened surface on which the inorganic conductive layer is formed. A proportion of water in the electrolyte solution ranges from 0.1% by mass to 6.0% by mass, inclusive.Type: GrantFiled: November 14, 2017Date of Patent: June 18, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Yasuhiro Tsuda
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Patent number: 10307719Abstract: A polymeric invert emulsifier is provided which is particularly suitable for use in demanding environments.Type: GrantFiled: June 9, 2016Date of Patent: June 4, 2019Assignee: Ethox Chemicals, LLCInventors: William C Floyd, III, Charles F Palmer, Jr.
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Patent number: 10305141Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Set forth herein are methods for preparing novel structures, including dense thin free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.Type: GrantFiled: February 10, 2017Date of Patent: May 28, 2019Assignee: QuantumScape CorporationInventors: Dong Hee Anna Choi, Niall Donnelly, Tim Holme, Will Hudson, Sriram Iyer, Oleh Karpenko, Mohit Singh, Adrian Winoto
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Patent number: 10297860Abstract: Provided are a lithium secondary battery including a cathode, an anode, a separator, and a gel polymer electrolyte, wherein i) the anode includes a silicon (Si)-based anode active material, ii) the gel polymer electrolyte is formed by polymerizing a composition that includes a monomer having a functional group bondable to metal ions, and iii) a charge voltage of the battery is in a range of 3.0 V to 5.0 V. Since the lithium secondary battery of the present invention may prevent the movement of metal ions dissolved from a cathode to an anode or reduce the precipitation of metal on the anode, the lifetime of the battery may not only be improved but capacity characteristics of the battery may also be excellent even in the case in which the battery is charged at a high voltage as well as normal voltage.Type: GrantFiled: April 8, 2014Date of Patent: May 21, 2019Assignee: LG Chem, Ltd.Inventors: Sung Hoon Yu, Yoo Sun Kang, Kyung Mi Lee, Jin Hyun Park, Jung Don Suk, Doo Kyung Yang
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Patent number: 10290895Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Set forth herein are methods for preparing novel structures, including dense thin free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.Type: GrantFiled: October 7, 2014Date of Patent: May 14, 2019Assignee: QuantumScape CorporationInventors: Tim Holme, Niall Donnelly, Sriram Iyer, Adrian Winoto, Mohit Singh, Will Hudson, Dong Hee Anna Choi, Oleh Karpenko
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Patent number: 10276893Abstract: The present invention relates to a composition for a gel polymer electrolyte comprising a liquid electrolyte solvent, a lithium salt, a polymerization initiator, and a mixed compound of a first compound and a second compound, and a lithium secondary battery comprising a positive electrode, a negative electrode, a separator, and a gel polymer electrolyte, wherein the gel polymer electrolyte is formed by polymerizing the composition for a gel polymer electrolyte. By comprising a mixed compound of a first compound and a second compound in which the first compound is an amine-based compound comprising polyethylene glycol as a functional group and the second compound is an epoxy-based compound, a composition for a gel polymer electrolyte of the present invention exhibits, when used in a lithium secondary battery, enhanced battery lifespan, excellent high temperature storability, and enhanced battery capacity property by readily inducing a hopping phenomenon.Type: GrantFiled: October 1, 2015Date of Patent: April 30, 2019Assignee: LG Chem, Ltd.Inventors: Sol Ji Park, Kyoung Ho Ahn, Jeong Woo Oh, Chul Haeng Lee, Yi Jin Jung
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Patent number: 10270129Abstract: A rechargeable battery is designed with cells having a specific combination of anode, cathode, and electrolyte compositions to maintain long cycle life at extreme high temperatures and deliver high power at extreme low temperatures. These properties can significantly reduce or altogether eliminate the need for thermal management circuitry, reducing weight and cost. Applications in telecommunications backup, transportation, and military defense are contemplated.Type: GrantFiled: November 6, 2015Date of Patent: April 23, 2019Assignee: A123 Systems LLCInventor: Jeong Ju Cho
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Patent number: 10270114Abstract: An electrolyte for a lithium air battery includes a compound represented by Formula 1 wherein the definitions of A and R1-R10 are disclosed herein. Also a lithium air battery including an anode, a cathode, and at least one selected from the herein-described electrolyte and a reaction product thereof.Type: GrantFiled: May 23, 2016Date of Patent: April 23, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dongjoon Lee, Eunha Park, Kihyun Kim, Taeyoung Kim, Victor Roev, Hyunpyo Lee, Heungchan Lee, Dongmin Im
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Patent number: 10256460Abstract: The disclosed technology relates generally to apparatuses and methods of fabricating solid-state electrochemical cells having redox-active polymers. In one aspect, an electrochemical cell comprises a negative electrode including a first redox-active polymer and configured to be reversibly oxidized during a discharging operation and further configured to be reversibly reduced during a charging operation. The electrochemical cell additionally comprises a positive electrode including a second redox-active polymer and configured to be reversibly reduced during the discharging operation and further configured to be reversibly oxidized during the charging operation. The electrochemical cell further comprises an electrolyte including a solid ion-exchange polymer, the electrolyte interposed between positive and negative electrodes and configured to conduct ions therebetween.Type: GrantFiled: March 5, 2014Date of Patent: April 9, 2019Assignee: Fluidic, Inc.Inventors: Cody A. Friesen, Jose Antonio Bautista-Martinez
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Patent number: 10233289Abstract: A process includes utilizing biorenewable resveratrol or a resveratrol-derived material as a bio-derived crosslinker to form a crosslinked polymeric material.Type: GrantFiled: November 10, 2017Date of Patent: March 19, 2019Assignee: International Business Machines CorporationInventors: Scott B. King, Brandon M. Kobilka, Joseph Kuczynski, Jason T. Wertz
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Patent number: 10233290Abstract: A process includes utilizing biorenewable cis-3-hexenol to form a bio-derived cross-linker and utilizing the bio-derived cross-linker to form a cross-linked polymeric material.Type: GrantFiled: January 4, 2018Date of Patent: March 19, 2019Assignee: International Business Machines CorporationInventors: Sarah K. Czaplewski, Brandon M. Kobilka, Joseph Kuczynski, Jason T. Wertz
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Patent number: 10227288Abstract: Provided herein are functionally substituted fluoropolymers suitable for use in liquid and solid non-flammable electrolyte compositions. The functionally substituted fluoropolymers include perfluoropolyethers (PFPEs) having high ionic conductivity. Also provided are non-flammable electrolyte compositions including functionally substituted PFPEs and alkali-metal ion batteries including the non-flammable electrolyte compositions.Type: GrantFiled: February 1, 2016Date of Patent: March 12, 2019Assignee: Blue Current, Inc.Inventors: Alexander Teran, Benjamin Rupert, Eduard Nasybulin, Joanna Burdynska
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Patent number: 10224536Abstract: Technologies are described herein for implementing a space-efficient internal energy storage apparatus in a data storage device or other electronic device have a metallic or otherwise electrically-conductive housing or case structure. The energy storage apparatus comprises an interior surface of the metallic housing, a conductive layer disposed parallel to the interior surface of the metallic housing, and a separator disposed between the interior surface and the conductive layer. The metallic housing is configured to act as a first electrode of the energy storage apparatus and the conductive layer is configured to act as an opposing electrode to the first electrode.Type: GrantFiled: April 21, 2015Date of Patent: March 5, 2019Assignee: Seagate Technology LLCInventors: Dana Lynn Simonson, John Wayne Shaw, II
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Patent number: 10224568Abstract: It is an object of the present invention to provide an electrolytic solution capable of suppressing gas generation. The present exemplary embodiment is an electrolytic solution comprising a supporting salt, a nonaqueous solvent that dissolves the supporting salt, a cyclic sulfonic acid ester compound represented by predetermined formula (1), and an acid anhydride. According to the exemplary embodiment, an electrolytic solution capable of suppressing gas generation can be provided.Type: GrantFiled: July 11, 2014Date of Patent: March 5, 2019Assignee: NEC CorporationInventors: Noboru Yoshida, Shinsaku Saitho, Kazuaki Matsumoto, Ikiko Shimanuki, Daisuke Kawasaki, Yuukou Katou, Hitoshi Ishikawa
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Patent number: 10224570Abstract: The invention provides a lithium ion secondary battery which exhibits excellent output characteristics and in which decline in the power characteristics is suppressed for a long period of time even after charge-discharge cycling. The lithium ion secondary battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte solution. The positive electrode has a maximum achievable potential of 4.5 V or more versus metallic lithium. The nonaqueous electrolyte solution includes (A) a nonfluorinated cyclic carbonate, (B) a fluorinated cyclic carbonate, and (C) a fluorinated acyclic carbonate. The nonfluorinated cyclic carbonate (A) accounts for more than 10% by volume of (A), (B) and (C) combined.Type: GrantFiled: March 28, 2014Date of Patent: March 5, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takeshi Abe, Toshiyuki Kawai, Akira Kouyama
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Patent number: 10199176Abstract: An electrolytic capacitor includes an anode body, a dielectric layer formed on the anode body, and a solid electrolyte layer covering at least a portion of the dielectric layer. The solid electrolyte layer includes a first conductive polymer layer covering at least a portion of the dielectric layer, and a second conductive polymer layer covering at least a portion of the first conductive polymer layer. The second conductive polymer layer includes a second conductive polymer and a water-soluble polymer. The water-soluble polymer is a copolymer including a hydrophilic monomer unit having a hydrophilic group. The hydrophilic group is at least one group selected from the group consisting of a carboxyl group, an acid anhydride group, a phenolic hydroxyl group, and a C2-3 alkylene oxide group.Type: GrantFiled: August 11, 2016Date of Patent: February 5, 2019Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Youichirou Uka, Makoto Nagashima, Tetsuro Iwasa, Koji Okamoto
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Patent number: 10199681Abstract: A sulfide solid electrolyte material exhibiting Li ion conductivity contains an organic compound having a molecular weight within a range of 30 to 300, wherein the organic compound has a content of 0.8 wt % or less.Type: GrantFiled: December 18, 2013Date of Patent: February 5, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Koichi Sugiura, Shigenori Hama, Miwako Ohashi
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Patent number: 10199179Abstract: An electrolytic solution for electric double layer capacitors includes an organic solvent and quaternary ammonium salt dissolved in the organic solvent. The organic solvent consists of sulfolane and chain sulfone. The quaternary ammonium salt is at least one of diethyl dimethyl ammonium salt and ethyl trimethyl ammonium salt.Type: GrantFiled: February 14, 2013Date of Patent: February 5, 2019Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Yasuyuki Ito, Hiroyuki Yanagisawa
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Patent number: 10170788Abstract: Examples are disclosed herein that relate to curved batteries. One example provides a battery comprising an anode arranged on an anode substrate, a cathode arranged on a cathode substrate, the anode substrate being curved at a first curvature and the cathode substrate being curved at a second curvature, and a separator between the anode and the cathode. A thickness of the anode substrate and a thickness of the cathode substrate are determined based on the curvature of the respective substrate, such that the one of the anode substrate and the cathode substrate with a larger curvature has a larger thickness.Type: GrantFiled: November 14, 2017Date of Patent: January 1, 2019Assignee: MICROSOFT TECHNOLOGY LICENSING, LLCInventors: Michael Nikkhoo, Vijayasekaran Boovaragavan, Dongli Zeng, Tzu-Yuan Lin, John Christopher Collins
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Patent number: 10170791Abstract: Provided are a lithium secondary battery including a cathode, an anode, a separator, and a gel polymer electrolyte, wherein the gel polymer electrolyte includes an acrylate-based polymer and a charge voltage of the battery is in a range of 4.3 V to 5.0 V, and a method of preparing the lithium secondary battery. A high-voltage lithium secondary battery of the present invention has excellent capacity characteristics at a high voltage of 4.3 V or more.Type: GrantFiled: April 4, 2014Date of Patent: January 1, 2019Assignee: LG Chem, Ltd.Inventors: Sung Hoon Yu, Doo Kyung Yang, Sun Sik Shin, Song Taek Oh, Yoo Sun Kang, Kyung Mi Lee, Jin Hyun Park, Jung Don Suk
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Patent number: 10164289Abstract: A lithium ion-conductive solid electrolyte including a freestanding inorganic vitreous sheet of sulfide-based lithium ion conducting glass is capable of high performance in a lithium metal battery by providing a high degree of lithium ion conductivity while being highly resistant to the initiation and/or propagation of lithium dendrites. Such an electrolyte is also itself manufacturable, and readily adaptable for battery cell and cell component manufacture, in a cost-effective, scalable manner.Type: GrantFiled: November 30, 2015Date of Patent: December 25, 2018Assignee: POLYPLUS BATTERY COMPANYInventors: Steven J. Visco, Yevgeniy S. Nimon, Lutgard C. De Jonghe, Bruce D. Katz, Vitaliy Nimon
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Patent number: 10157713Abstract: An electrolyte for an electrochemical double layer capacitor and an EDLC utilizing such an electrolyte are disclosed. The electrolyte can include a solution of an organic salt or a combination of organic salts, the salts including cations and anions, and a single organic solvent or a mixture of organic solvents, wherein the electrolyte has a boiling point above 100° C., electrochemical stability at voltages between 2.7 V, and a viscosity below 2 mPa·s at a temperature of 100° C. The electrolyte may contain an organic solvent or a mixture of organic solvents having boiling points above 100° C. and melting points below 0° C.Type: GrantFiled: November 28, 2016Date of Patent: December 18, 2018Assignee: YUNASKO, Ltd.Inventors: Natalia Stryzhakova, Sergii Zelinskyi, Dmytro Tretyakov, Yurii Maletin
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Patent number: 10147968Abstract: A standalone lithium ion-conductive solid electrolyte including a freestanding inorganic vitreous sheet of sulfide-based lithium ion conducting glass is capable of high performance in a lithium metal battery by providing a high degree of lithium ion conductivity while being highly resistant to the initiation and/or propagation of lithium dendrites. Such an electrolyte is also itself manufacturable, and readily adaptable for battery cell and cell component manufacture, in a cost-effective, scalable manner.Type: GrantFiled: November 30, 2015Date of Patent: December 4, 2018Assignee: POLYPLUS BATTERY COMPANYInventors: Steven J. Visco, Yevgeniy S. Nimon, Lutgard C. De Jonghe, Bruce D. Katz, Vitaliy Nimon
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Patent number: RE47435Abstract: An electrolyte for activating an electrolytic or electrochemical capacitor is described. The electrolyte preferably includes a mixed solvent of water and ethylene glycol having an ammonium salt dissolved therein. An acid such as phosphoric or acetic acid is used to provide a pH of about 3 to 6. The electrolyte is particularly useful for activating a ruthenium oxide/tantalum capacitor having an anode breakdown voltage in the range of 175 to 300 volts.Type: GrantFiled: March 12, 2015Date of Patent: June 11, 2019Assignee: Greatbatch Ltd.Inventors: Ashish Shah, Christina Scheuer, Lauren (Miller) Matyjas, Barry C. Muffoletto