Organic Component Is Active Material Patents (Class 429/213)
  • Patent number: 10396397
    Abstract: A material that can be used in a wide temperature range is provided. A graphene compound includes graphene or graphene oxide and a substituted or unsubstituted chain group, the chain group includes two or more ether bonds, and the chain group is bonded to the above graphene or graphene oxide through a Si atom. Alternatively, a method for forming a graphene compound includes a first step and a second step after the first step. In the first step, graphene oxide and a base are stirred under a nitrogen stream. In the second step, the mixture is cooled to room temperature, a silylating agent that has a group having two or more ether bonds is introduced into the mixture, and the obtained mixture is stirred. The base is butylamine, pentylamine, hexylamine, diethylamine, dipropylamine, dibutylamine, triethylamine, tripropylamine, or pyridine.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: August 27, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hiroshi Kadoma, Teppei Oguni, Satoshi Seo
  • Patent number: 10355271
    Abstract: Improved anodes and cells are provided, which enable fast charging rates with enhanced safety due to much reduced probability of metallization of lithium on the anode, preventing dendrite growth and related risks of fire or explosion. Anodes and/or electrolytes have buffering zones for partly reducing and gradually introducing lithium ions into the anode for lithiation, to prevent lithium ion accumulation at the anode electrolyte interface and consequent metallization and dendrite growth. Various anode active materials and combinations, modifications through nanoparticles and a range of coatings which implement the improved anodes are provided.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: July 16, 2019
    Assignee: StoreDot Ltd.
    Inventors: Doron Burshtain, Nir Kedem, Daniel Aronov
  • Patent number: 10344139
    Abstract: An electrically responsive polymer having a electrically responsive bulk polymer matrix, the electrically responsive polymer bulk polymer matrix comprising a base polymer matrix; an electrically responsive component, wherein the electrically responsive component comprises a disulfide, an oligosulfide moiety, or a plurality of thiol moieties; and an electrolyte salt; wherein the electrically responsive polymer is configured to transition from a first elastic modulus to a second elastic modulus when an external stimulus is applied to the electrically responsive polymer.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: July 9, 2019
    Assignee: Cornerstone Research Group, Inc.
    Inventors: Jason Michael Hermiller, Richard D. Hreha
  • Patent number: 10323122
    Abstract: An electrochromic composition is provided. The electrochromic composition includes 0.5˜10 parts by weight of a first oxidizable polymer, 0.5˜10 parts by weight of a reducible organic compound, 0.5˜20 parts by weight of an electrolyte, and 60˜98.5 parts by weight of a solvent. The first oxidizable polymer is a polymer of 1 molar part of diamine and 0.1˜20 molar parts of dicarboxylic acid, diacyl chloride, or dianhydride, a mixture of the aforementioned polymers, or a copolymer of the aforementioned polymers. An electrochromic element including the aforementioned electrochromic composition is also provided.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: June 18, 2019
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Guey-Sheng Liou, Huan-Shen Liu, De-Cheng Huang, Yu-Ruei Kung, Li-Ting Huang, Chyi-Ming Leu
  • Patent number: 10319992
    Abstract: In one embodiment, an electrode for a nonaqueous electrolyte secondary battery has an electrode mixture layer comprising an active material, a conductive agent, and a binding agent to bind the active material and the conductive agent, and a collector on which the electrode mixture layer is laminated. The active material comprises a composite body comprising at least a carbonaceous material, and a metal dispersed in the carbonaceous material or an oxide of the metal. And the binding agent is a polyvinyl alcohol resin of a saponification degree of 87-99.9 mole %.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: June 11, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasuyuki Hotta, Tomokazu Morita, Takashi Kuboki
  • Patent number: 10297829
    Abstract: A rechargeable magnesium ion electrochemical cell comprising an anode, a cathode, and a non-aqueous magnesium electrolyte disposed between the anode and the cathode is described herein. The cathode comprises a redox-active anthraquinone-based polymer comprising one or more of 1,4-polyanthraquinone or 2,6-polyanthraquinone. Both 2,6-polyanthraquinone and 1,4-polyanthraquinone can operate with 1.5-2.0 V with above 100 mAh/g capacities at a reasonable rate, higher than the state-of-the-art Mg—Mg6S8 battery. More than 1000 cycles with very small capacity loss can be realized.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: May 21, 2019
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Chen Liao, Baofei Pan, Anthony Burrell
  • Patent number: 10270086
    Abstract: A negative electrode for nonaqueous electrolyte secondary batteries which suppresses generation of gas and increases power characteristics, including a negative electrode current collector and a negative electrode mixture layer placed on the negative electrode current collector. The negative electrode mixture layer is a mixture of a negative electrode active material, a binding agent, and a conductive agent. The negative electrode active material contains silicon. The binding agent includes a binding agent A made of a rubber polymeric compound. A through-thickness cross section of the negative electrode mixture layer halved into a current collector-side region and a surface-side region, has the amount of the binding agent A in the current collector-side region larger than the amount of the binding agent A in the surface-side region and the amount of the conductive agent in the surface-side region is larger than the amount of the conductive agent in the current collector-side region.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: April 23, 2019
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Masanori Sugimori, Katsunori Yanagida
  • Patent number: 10232347
    Abstract: A preparation method of hollow mesoporous carbon nanosphere composite material loaded with gold nanoparticles includes the following steps: (1) in the presence of an initiator, aniline and pyrrole are polymerized in deionized water containing a surfactant to form hollow carbon precursors, and then calcined to obtain hollow mesoporous carbon nanospheres, (2) said hollow mesoporous carbon nanospheres are immersed in a chloroauric acid solution, stirred and then centrifuged to remove the liquid, finally, hollow mesoporous carbon nanosphere composite material loaded with gold nanoparticles are obtained by reduction treatment.
    Type: Grant
    Filed: December 25, 2017
    Date of Patent: March 19, 2019
    Assignee: SOOCHOW UNIVERSITY
    Inventors: Jianmei Lu, Dongyun Chen, Jun Jiang
  • Patent number: 10224565
    Abstract: A lithium ion battery includes a positive electrode comprising carbon fibers, a binder composition with conductive carbon, and a lithium rich composition. The lithium rich composition comprises at least one selected from the group consisting of Li1+x(My MzII MwIII)O2 where x+y+z+w=1, and xLi2MnO3(1?x)LiMO2, where x=0.2-0.7, and where M, MII and MIII are interchangeably manganese, nickel and cobalt, and LiM2?xMxIIO4, where M and MII are manganese and nickel, respectively, with x=0.5. A negative electrode comprises carbon fibers having bound thereto silicon nanoparticles, and a mesophase pitch derived carbon binder between the silicon nanoparticles and the carbon fibers. An electrolyte is interposed between the positive electrode and the negative electrode. Methods of making positive and negative electrodes are also disclosed.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: March 5, 2019
    Assignee: UT-BATTELLE, LLC
    Inventors: Jagjit Nanda, Nancy J. Dudney, Chaitanya Kumar Narula, Sreekanth Pannala, Raymond Robert Unocic, Surendra Kumar Martha
  • Patent number: 10211462
    Abstract: Provided is a lithium ion cell having a power generation part provided with a single cell obtained by stacking a positive electrode current collector, a positive electrode active material layer, a separator, a negative electrode active material layer, and a negative electrode current collector in the order, and an exterior cell container for accommodating the power generation part, in which the positive electrode active material layer is a non-bound material of a positive electrode active material particle, the negative electrode active material layer is a non-bound material of a negative electrode active material particle, and the single cell has flexibility.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: February 19, 2019
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yasuhiro Shindo, Yusuke Mizuno, Kenichi Kawakita, Yasuhiko Ohsawa, Yuki Kusachi, Hajime Satou, Hiroshi Akama, Hideaki Horie
  • Patent number: 10193188
    Abstract: An aqueous electrolyte composition suitable for a lithium ion battery is provided. The aqueous electrolyte composition contains water, at least one of a linear ether and a cyclic ether and a lithium fluoroalkylsulfonyl salt. A lithium ion battery containing the aqueous electrolyte and a vehicle at least partially powered by the battery are also provided.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: January 29, 2019
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: Kensuke Takechi, Ruidong Yang
  • Patent number: 10193354
    Abstract: An electrochemical cell having a positive electrode; a negative electrode and an electrolyte, wherein the electrochemical cell contains reversible ions in an amount sufficient to maintain a negative electrode potential verses reference level below a negative electrode damage threshold potential of the cell and a positive electrode potential verses reference level above a positive electrode damage threshold potential of the cell under an applied load at a near zero cell voltage state, such that the cell is capable of recharge from the near zero cell voltage state, and method for its production is disclosed.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: January 29, 2019
    Assignee: Rochester Institute of Technology
    Inventors: Kyle Crompton, Brian Landi
  • Patent number: 10193144
    Abstract: Described herein is an electrochemical device including a cathode containing an electroactive material including LO2 or L2O2, wherein each L is independently selected from Li, Na, K, Be, Mg, Ca, and Al; the electroactive material is carbon-coated, metal-coated, metal oxide-coated, nano-sized, or doped; and the electroactive material is substantially free of transition metal catalyst.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: January 29, 2019
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Jun Lu, Rui Xu, Xiangyi Luo, Khalil Amine
  • Patent number: 10177384
    Abstract: A positive active material for a rechargeable lithium battery includes a positive active material compound including a metal compound for intercalating and deintercalating lithium, a coating particle having an embedded portion embedded into the active material compound and a protruding portion protruding from the surface of the active material, and a rechargeable lithium battery including the positive active material.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: January 8, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hee-Young Chu, Sung-Hwan Moon, Jae-Hyuk Kim, Myung-Hwan Jeong, Chang-Ui Jeong, Jong-Seo Choi
  • Patent number: 10150245
    Abstract: An article has a curved surface. Disposed upon the curved surface is a plurality of patterns. Each pattern is defined by a plurality of spaced apart features attached to or projected into the curved surface. The plurality of features each have at least one neighboring feature having a substantially different geometry, wherein an average spacing between adjacent features is about 1 nanometer and about 1 millimeter in at least a portion of the curved surface. The plurality of spaced apart features are represented by a periodic function.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: December 11, 2018
    Assignee: University of Florida Research Foundation, Inc.
    Inventors: Kenneth K. Chung, Anthony B. Brennan, Joseph W. Bagan, Mark M. Spiecker
  • Patent number: 10147923
    Abstract: Provided is a laminated porous film suitable as a non-aqueous electrolyte secondary battery separator, which includes a heat resistant layer excellent in morphological stability at a high temperature and ion permeability and more resistant to fall-off of a filler. A laminated porous film in which a heat resistant layer including a binder resin and a filler and a base porous film including a polyolefin as a principal component are laminated, wherein the filler included in the heat resistant layer substantially consists of an inorganic filler (a) having a primary particle diameter of 0.2 to 1 ?m and an inorganic filler (b) having a primary particle diameter of 0.01 to 0.1 ?m, and the particle diameter of secondary aggregates of the inorganic filler (b) is not more than 2 times the primary particle diameter of the inorganic filler (a) in the heat resistant layer.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: December 4, 2018
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Hirohiko Hasegawa, Yasunori Nishida, Yasuo Shinohara
  • Patent number: 10121608
    Abstract: 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: Grant
    Filed: August 18, 2015
    Date of Patent: November 6, 2018
    Assignee: Printed Energy Pty Ltd
    Inventors: Vera Nicholaevna Lockett, Mark David Lowenthal, Neil O. Shotton, William Johnstone Ray, Theodore I. Kamins
  • Patent number: 10115949
    Abstract: This invention provides a lithium secondary battery which degrades less upon high-rate charge/discharge cycles (thus durable). The lithium secondary battery comprises positive electrode 10 having positive electrode active material layer 14, negative electrode 20 having negative electrode active material layer 24, organic porous material layer 32 placed between positive electrode active material layer 14 and negative electrode active material layer 24, inorganic porous material layer 34 placed between organic porous material layer 32 and negative electrode active material layer 24. Inorganic porous material layer 34 comprises an inorganic filler that does not store lithium at a potential higher than the lithium-storing potential of the negative electrode active material layer, and a Li absorber that irreversibly stores lithium at a potential higher than the lithium-storing potential.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: October 30, 2018
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Koji Kinoshita, Takayuki Shirane
  • Patent number: 10074853
    Abstract: [Problems] To provide an electrode material for a lithium-ion rechargeable battery capable of improving the battery characteristics, durability, and stability of a lithium-ion rechargeable battery, an electrode for a lithium-ion rechargeable battery, and a lithium-ion rechargeable battery. [Means] An electrode material for a lithium-ion rechargeable battery of the present invention is an electrode material for a lithium-ion rechargeable battery formed by coating the surface of an electrode active material represented by General Formula LixAyDzPO4 (here, A represents at least one element selected from Co, Mn, Ni, Fe, Cu, and Cr, D represents at least one element selected from Mg, Ca, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, Sc, and Y, 1?x?1.1, 0<y?1, 0?z<1, 0.9<y+z?1) with a carbonaceous film, in which a saturated adsorbed moisture amount in a carbonaceous film single body, which is detected in a temperature range of room temperature or more and 250° C.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: September 11, 2018
    Assignee: SUMITOMO OSAKA CEMENT CO., LTD.
    Inventors: Ryuuta Yamaya, Satoru Oshitari, Masataka Oyama
  • Patent number: 10048221
    Abstract: A method of detecting chlorate in soil includes contacting soil wetted with a solvent containing an electrically conductive salt with an electrode comprising layers of vanadium-substituted phosphomolybdate alternating with layers of para-rosaniline, and performing voltammetry with the electrode, wherein a catalytic reduction current indicates a likelihood of the presence or absence of chlorate in the soil. A system includes a potentiostat operably connected to the electrode and in communication with hardware and software sufficient to produce an output indicating a chlorate level in soil.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: August 14, 2018
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventors: Walter J. Dressick, Scott A. Trammell, Lisa C. Shriver-Lake
  • Patent number: 10020510
    Abstract: The present invention pertains to the selection of cathode materials. The cathode materials of concern are the conducting polymer or backbone and the redox active species or sulfur species. The selection of the materials is based on the characteristics of the materials relating to the other components of the batteries and to each other. The present invention also pertains to the resultant cathode materials, particularly a selected cathode material of a single component sulfur-based conducting polymer with the sulfur species covalently linked to the conducting polymer, and most particularly a thiophene based polymer with covalently linked sulfur species. The conducting polymers have been covalently-derivatized with sulfides and/or sulfide-containing groups as battery cathode materials. The present invention also pertains to a battery employing the selection method and resultant cathode materials.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: July 10, 2018
    Assignee: THE BLUE SKY GROUP INC
    Inventors: John Pope, Dan Buttry, Shannon White, Robert Corcoran
  • Patent number: 9945811
    Abstract: A method of detecting chlorate in soil includes contacting soil wetted with a solvent containing an electrically conductive salt with an electrode comprising layers of vanadium-substituted phosphomolybdate alternating with layers of para-rosaniline, and performing voltammetry with the electrode, wherein a catalytic reduction current indicates a likelihood of the presence or absence of chlorate in the soil. A system includes a potentiostat operably connected to the electrode and in communication with hardware and software sufficient to produce an output indicating a chlorate level in soil.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: April 17, 2018
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventors: Walter J. Dressick, Scott A. Trammell, Lisa C. Shriver-Lake
  • Patent number: 9941511
    Abstract: A core-shell-type electrode material is used as an electrode active material layer of a non-aqueous electrolyte secondary battery, the core-shell-type electrode material having a core part in which at least a part of a surface of an electrode active material is coated with a first conductive material and a shell part in which a second conductive material is contained in a base material formed by a gel-forming polymer having a tensile elongation at break of 10% or more in a gel state.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: April 10, 2018
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Yasuhiko Ohsawa, Hideaki Horie, Hiroshi Akama, Yuki Kusachi, Yuta Murakami, Kenichi Kawakita, Yusuke Mizuno, Yasuhiro Tsudo, Yasuhiro Shindo
  • Patent number: 9941512
    Abstract: A core-shell-type electrode material is used as an electrode active material layer of a non-aqueous electrolyte secondary battery, the core-shell-type electrode material having a core part including an electrode active material and a shell part in which a conductive material is contained in a base material formed by a gel-forming polymer having a tensile elongation at break of 10% or more in a gel state.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: April 10, 2018
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Yasuhiko Ohsawa, Hideaki Horie, Hiroshi Akama, Yuki Kusachi, Yuta Murakami, Kenichi Kawakita, Yusuke Mizuno, Yasuhiro Tsudo, Yasuhiro Shindo
  • Patent number: 9905846
    Abstract: A lithium ion secondary battery includes: an electrode mixture layer that contains an electrode active material and an organic ferroelectric having a dielectric constant of 25 or higher; and an electrolytic solution that contains lithium bis(fluorosulfonyl)imide and a nonaqueous solvent. A content of the organic ferroelectric is 0.5 parts by mass to 10 parts by mass with respect to 100 parts by mass of the electrode active material. A proportion of a high-polarity solvent having a dielectric constant of 10 or higher in the nonaqueous solvent is 10 vol % or lower.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: February 27, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya Umeyama, Naoto Onodera, Naoyuki Wada, Yusuke Fukumoto, Tatsuya Hashimoto, Yuji Yokoyama, Hideki Sano
  • Patent number: 9871253
    Abstract: A ion-conductive fused-ring quinone polymer includes recurring units of formula (1) and/or (2) below wherein each X is independently a single bond or a divalent group, and A1 and A2 are each independently an aromatic hydrocarbon ring or an oxygen atom or sulfur atom-containing aromatic heterocycle that forms together with two carbon atoms on a benzoquinone skeleton. This polymer is a material having charge-storing properties which, when used as an electrode active material, is capable of providing a high-performance battery possessing high capacity, high rate characteristics and high cycle characteristics.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: January 16, 2018
    Assignees: WASEDA UNIVERSITY, NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Hiroyuki Nishide, Kenichi Oyaizu, Takuma Kawai, Takuji Yoshimoto
  • Patent number: 9831044
    Abstract: 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: Grant
    Filed: March 13, 2013
    Date of Patent: November 28, 2017
    Assignee: PolyJoule, Inc.
    Inventors: Ian W. Hunter, Timothy M. Swager, Zhengguo Zhu
  • Patent number: 9815914
    Abstract: A solid electrolyte includes an interpenetrating polymer network and a lithium salt dispersed in the interpenetrating polymer network. The interpenetrating polymer network includes CH2—CH2On segments, and is formed by polymerizing a first monomer R1—OCH2—CH2—OnR2, a second monomer R3—OCH2—CH2—OmR4 and an initiator. Each “R1”, “R2” and “R3” includes —C?C— group or —C?C— group. The “R4 . . . ” includes an alkyl group or a hydrogen atom. The “m” and “n” are integer. Molecular weights of the first monomer and the second monomer are more than or equal to 100, and less than or equal to 800. The first monomer is less than or equal to 50% of the second monomer by weight. The lithium salt is less than or equal to 10% the second monomer by weight. A lithium based battery using the solid electrolyte is also provided.
    Type: Grant
    Filed: October 16, 2012
    Date of Patent: November 14, 2017
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Li Wang, Xiang-Ming He, Jian-Jun Li, Jian Gao, Chang-Yin Jiang
  • Patent number: 9812264
    Abstract: Disclosed is a high-capacity electrochemical energy storage device in which a conversion reaction proceeds as the oxidation-reduction reaction, and the separation (hysteresis) between the electrode potentials for oxidation and reduction is small. The electrochemical energy storage device includes a first electrode including a first active material, a second electrode including a second active material, and a non-aqueous electrolyte interposed between the first and second electrodes. At least one of the first and second active materials is a metal salt having a polyatomic anion and a metal ion, and the metal salt is capable of oxidation-reduction reaction involving reversible release and acceptance of the polyatomic anion.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: November 7, 2017
    Assignee: PANASONIC CORPORATION
    Inventors: Tooru Matsui, Zempachi Ogumi, Toshiro Hirai, Akiyoshi Nakata
  • Patent number: 9761877
    Abstract: The use of a methylated amorphous silicon alloy as the active material in an anode of Li-ion battery is described. Lithium storage batteries and anodes manufactured using the material, as well as a method for manufacturing the electrodes by low-power PECVD are also described.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: September 12, 2017
    Assignees: ECOLE POLYTECHNIQUE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, CENTRE DE RECHERCHE EN TECHNOLOGIE DES SEMI-CONDUCTEURS POUR L'ENERGETIQUE (CRTSE)
    Inventors: Michel Rosso, Larbi Touahir, Abdelhak Cheriet, Ionel Solomon, Jean-Noel Chazalviel, Francois Ozanam, Noureddine Gabouze
  • Patent number: 9755239
    Abstract: Disclosed is a positive electrode composition for a lithium secondary battery and a secondary lithium battery using the same. The positive electrode composition for a lithium secondary battery includes a positive active material, a binder, and a compound represented by the following Chemical Formula 1. The above Chemical Formula 1 is the same as defined in the detailed description.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: September 5, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventor: Dae-Sik Kim
  • Patent number: 9728783
    Abstract: The present invention relates to a cathode active material for a lithium secondary battery comprising: a core including a compound represented by chemical formula 1, and a shell including a compound represented by chemical formula 2, wherein the material composition of the core and the material composition of the shell are different; and a lithium secondary battery including the cathode active material for a lithium secondary battery.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: August 8, 2017
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FONDATION HANYANG UNIVERSITY
    Inventors: Yang-Kook Sun, Won-Gi Kim, Seung-Min Oh
  • Patent number: 9722240
    Abstract: The present invention is concerned with novel compounds derived from polyquinonic ionic compounds and their use in electrochemical generators.
    Type: Grant
    Filed: June 2, 2010
    Date of Patent: August 1, 2017
    Assignees: ACEP INC., SCIENTIFIQUE (CNRS), CENTRE NATIONAL DE LA RECHERCHE, UNIVERSITE DE MONTREAL
    Inventors: Michel Armand, Christophe Michot, Nathalie Ravet
  • Patent number: 9711297
    Abstract: A method of pre-doping an anode of an energy storage device can include immersing the anode and a dopant source in an electrolyte, and coupling a substantially constant current between the anode and the dopant source. A method of pre-doping an anode of an energy storage device can include immersing the anode and a dopant source in an electrolyte, and coupling a substantially constant voltage across the anode and the dopant source. An energy storage device can include an anode having a lithium ion pre-doping level of about 60% to about 90%.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: July 18, 2017
    Assignee: Maxwell Technologies, Inc.
    Inventors: Santhanam Raman, Xiaomei Xi, Xiang-Rong Ye
  • Patent number: 9666904
    Abstract: The present invention relates to a secondary battery, comprising an electrode element in which a positive electrode and a negative electrode are opposed to each other, and an electrolyte solution, wherein the negative electrode active material comprises a metal alloyable with lithium and/or a metal oxide capable of intercalating/deintercalating lithium ions, and the electrolyte solution is a nonaqueous electrolyte solution comprising an electrolyte salt dissolved in a nonaqueous solvent, and comprises a carbonyl compound represented by the following formula (1): wherein two R1s may be the same or different from each other, and each independently represents hydrogen atom, substituted or unsubstituted alkyl group, cycloalkyl group, alkenyl group, alkynyl group, substituted or unsubstituted aromatic group, oxyalkylene group, substituted or unsubstituted alkoxy group, cycloalkyloxy group, alkenyloxy group, alkynyloxy group, substituted or unsubstituted aromatic oxy group, or oxyalkyleneoxy group.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: May 30, 2017
    Assignee: NEC Corporation
    Inventors: Masahiro Suguro, Midori Shimura
  • Patent number: 9666899
    Abstract: A preloaded cathode layer, comprising: (A) An integral porous structure having massive surfaces greater than 100 m2/g or pores with a size from 1.0 nm to 100 nm, wherein multiple conductive particles, platelets or filaments, without a conductive filler, form a 3-D conductive network; and (B) a metal polysulfide preloaded in the pores or deposited on the massive surfaces, selected from: (a) an MxSy, (x=1-3 and y=1-10) wherein M is a metal element selected from a non-lithium alkali metal, an alkaline metal selected from Mg or Ca, a transition metal, a metal from groups 13 to 17, or a combination thereof, or (b) Li2S6, Li2S7, Li2S8, Li2S9, or Li2S10, wherein the metal polysulfide contains a thin coating or small particles with a thickness or diameter less than 20 nm and occupies a weight fraction of from 1% to 99%.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: May 30, 2017
    Assignee: Nanotek Instruments, Inc.
    Inventors: Hui He, Aruna Zhamu, Bor Z. Jang
  • Patent number: 9666865
    Abstract: A rechargeable magnesium-sulfur cell comprising an anode layer, an electrolyte, a metal polysulfide-preloaded active cathode layer, wherein the active cathode layer comprises: (a) an integral porous structure having massive surfaces (specific surface area >100 m2/g) or pores with a size from 1.0 nm to 100 nm and wherein multiple particles; and (b) a metal polysulfide, MxSy, preloaded in the pores or deposited on the massive surfaces, wherein x is an integer from 1 to 3 and y is an integer from 1 to 10, and M is a metal element selected from an alkali metal, an alkaline metal, a transition metal, a metal from groups 13 to 17 of the periodic table, or a combination thereof. The metal polysulfide is in a form of solid-state thin coating or small particles with a thickness or diameter less than 50 nm.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: May 30, 2017
    Assignee: Nanotek Instruments, Inc.
    Inventors: Hui He, Aruna Zhamu, Bor Z Jang
  • Patent number: 9647293
    Abstract: A gel polymer composite electrolyte, a polymer lithium ion battery comprising the gel polymer composite electrolyte and methods of preparing the polymer lithium ion battery are provided. The gel polymer composite electrolyte is formed by swelling after a polymer membrane absorbs an electrolyte, wherein the polymer membrane is formed by thermocuring a polymer mixture comprising an acrylic emulsion, water and ammonia water, and the acrylic emulsion has a glass transition temperature ranging from about ?30° C. to about 50° C.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: May 9, 2017
    Assignee: BYD COMPANY LIMITED
    Inventors: Jun Shan, Ronghua Liu, Lina Jin
  • Patent number: 9640335
    Abstract: An electrode of the present invention includes: an electrically conductive support (11); and an active material layer (12) provided on the electrically conductive support (11), containing an electrode active material (13) and an electrical conductivity assistant (14), wherein: the electrode active material (13) includes at least one of a first polymer compound having a tetrachalcogenofulvalene structure in a repetition unit of a main chain, and a second polymer compound which is a copolymer between a first unit which has the tetrachalcogenofulvalene structure in a side chain and a second unit which does not have the tetrachalcogenofulvalene structure in the side chain; and in active material layer (13), the electrode active material (13) does not form particles but covers at least a portion of a surface of the electrical conductivity assistant (14).
    Type: Grant
    Filed: December 24, 2010
    Date of Patent: May 2, 2017
    Assignee: PANASONIC CORPORATION
    Inventors: Takafumi Tsukagoshi, Yu Ohtsuka, Nobuhiko Hojo, Takakazu Yamamoto, Hiroki Fukumoto
  • Patent number: 9620259
    Abstract: Methods of forming composites that incorporate networks of conductive polymer nanofibers are provided. Networks of less-than conductive polymers are first formed and then doped with a chemical dopant to provide networks of conductive polymers. The networks of conductive polymers are then incorporated into a matrix in order to improve the conductivity of the matrix. The formed composites are useful as conductive coatings for applications including electromagnetic energy management on exterior surfaces of vehicles.
    Type: Grant
    Filed: April 1, 2013
    Date of Patent: April 11, 2017
    Assignee: University of Washington through its Center for Commercialization
    Inventors: Lilo Danielle Pozzo, Gregory Newbloom
  • Patent number: 9608260
    Abstract: Provided is an anode active material including lithium metal oxide particles having an internal porosity ranging from 3% to 8% and an average particle diameter (D50) ranging from 5 ?m to 12 ?m. According to the present invention, since the high-density lithium metal oxide particles are included, the adhesion to an anode may be significantly improved even by using the same or smaller amount of a binder that is required during the preparation of an anode slurry, and high rate characteristics of a secondary battery may be improved by decreasing the average particle diameter of the lithium metal oxide particles.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: March 28, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Byung Hun Oh, Je Young Kim, Hyun Woong Yun, Ye Ri Kim
  • Patent number: 9577262
    Abstract: A positive electrode material for a lithium ion secondary cell, includes: a binding agent in which an active material formed from a lithium metal oxide are dispersed together with barium titanate and conductive carbon.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: February 21, 2017
    Assignee: Fujikura Kasei Co., Ltd.
    Inventor: Takeshi Kan
  • Patent number: 9577283
    Abstract: A redox flow battery is described, mainly including a charge/discharge cell, a cathode electrolyte tank, and an anode electrolyte tank. The inside of the charge/discharge cell is divided into a cathode cell and an anode cell by a diaphragm. A collector plate and a cathode are contained in the cathode cell. An aqueous solution containing a Mn-polyethyleneimine complex is supplied from the cathode electrolyte tank to the cathode through a supply pipe. Thereby, an energy storage battery that has durability sufficient for practical applications in a wide range of fields can be provided.
    Type: Grant
    Filed: May 1, 2012
    Date of Patent: February 21, 2017
    Assignee: NISSIN ELECTRIC CO., LTD.
    Inventors: Hiroshige Deguchi, Lan Huang, Yuki Uemura, Shosuke Yamanouchi
  • Patent number: 9548490
    Abstract: An anode active material includes: a core including a metal or a metalloid that can incorporate and deincorporate lithium ions; and a plurality of coating layers on a surface of the core, each coating layer including a metal oxide, an amorphous carbonaceous material, or combination thereof. Also, a lithium battery including the anode active material, and a method of preparing the anode active material.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: January 17, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Junhwan Ku, Seungsik Hwang, Jonghwan Park, Inhyuk Son, Jeongkuk Shon, Jaemyung Lee, Yeonji Chung, Jaeman Choi
  • Patent number: 9543622
    Abstract: The main object of the present invention is to provide a lithium solid state secondary battery system capable of restoring the decrease of output characteristics of a lithium solid state secondary battery without deteriorating an anode. The present invention attains the above-mentioned object by providing a lithium solid state secondary battery system including a lithium solid state secondary battery and an overdischarge treating unit, wherein an anode active material layer of the above-mentioned lithium solid state secondary battery contains an anode active material and a sulfide solid electrolyte material containing Li, A (A is at least one kind of P, S, Ge, Al and B) and S and having an ortho-composition, and the above-mentioned anode current collector includes a metal.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: January 10, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroshi Nagase, Shigenori Hama
  • Patent number: 9536678
    Abstract: Embodiments described herein relate generally to electric double layer capacitors having an electrolyte formulation that includes a quantity of a stabilizing additive such that the electrochemical double layer capacitors retain cell capacitance for longer periods of time, generate less gas during operation, and experience less long term ESR. In some embodiments, an electrolyte formulation includes an ionic species, a solvent, and a stabilizer. In some embodiments the stabilizer contains a moiety that promotes adsorption to a surface, such as a carbon surface, and a moiety that promotes polarity of the stabilizer. In some embodiments, the solvent can be a nitrile compound and the stabilizer can be a compound of the formula I: Such that R is H, saturated or unsaturated, linear or branched, acyclic carbon group, OH, halogen NH2, NO2, S(O)2CF3, or monocyclic or polycyclic aryl, and n is an integer from 0 to 5.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: January 3, 2017
    Assignee: IOXUS, INC.
    Inventors: George Lane, Ken Rudisuela
  • Patent number: 9496548
    Abstract: Disclosed are a negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same. The negative active material includes a composite particle including a silicon particle and a carbon coating layer coated on the surface of the silicon particle and a porous space formed by the entangled carbon nanofibers, the composite particle contacting the external surface of the carbon nanofibers in the porous space of the carbon nanofiber structure, and the carbon nanofibers have a larger diameter than that of the composite particle and a diameter ranging from about 100 nm to about 2000 nm.
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: November 15, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sung Soo Park, Sang-Hun Lee, Jae-Hyun Shim, Jun-Kyu Cha, Ki-Jun Kim, Jae-Myung Kim, Su-Bin Song, Eun-Cheol Lee
  • Patent number: 9444119
    Abstract: In one embodiment, the present disclosure relates to a rechargeable Li—S battery including a cathode including a firbrous carbon material, a catholyte including a polysulfide, and an anode. In another embodiment, the present disclosure relates to a charged or partially charged rechargeable Li—S battery including a cathode including a fibrous carbon material and amorphous microparticles of elemental sulfur, a catholyte including high-order polysulfides having a general formula of Li2Sn, wherein n is at least eight, and an anode. In another embodiment, the present disclosure relates to a discharged or partially discharged rechargeable Li—S battery including a cathode including a fibrous carbon material and amorphous microparticles of Li2S, a catholyte including a negligible amount of polysulfides, and an anode.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: September 13, 2016
    Assignee: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
    Inventors: Arumugam Manthiram, Yongzhu Fu
  • Patent number: 9425481
    Abstract: A secondary battery includes: a cathode; an anode; and a non-aqueous electrolytic solution, wherein the cathode includes a second lithium-containing compound having an olivine-type crystal structure, a photoelectron spectrum of oxygen 1s obtained by surface analysis of the cathode with the use of X-ray photoelectron spectroscopy includes a third peak and a fourth peak, the third peak having an apex in a range in which binding energy is equal to or larger than 530 electron volts and less than 533 electron volts, and the fourth peak having an apex in a range in which binding energy is from 533 electron volts to 536 electron volts both inclusive and having spectrum intensity smaller than spectrum intensity of the third peak, and a ratio IE/ID between a spectrum intensity ID of the third peak and a spectrum intensity IE of the fourth peak is larger than ¼.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: August 23, 2016
    Assignee: Sony Corporation
    Inventors: Toshio Nishi, Masayuki Ihara, Hideki Nakai, Akinori Kita
  • Patent number: 9419280
    Abstract: A cathode active material of the present invention is a cathode active material having a composition represented by General Formula (1) below, LiFe1?xMxP1?ySiyO4??(1), where: an average valence of Fe is +2 or more; M is an element having a valence of +2 or more and is at least one type of element selected from the group consisting of Zr, Sn, Y, and Al; the valence of M is different from the average valence of Fe; 0<x?0.5; and y=x×({valence of M}?2)+(1?x)×({average valence of Fe}?2). This provides a cathode active material that not only excels in terms of safety and cost but also can provide a long-life battery.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: August 16, 2016
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Koji Ohira, Motoaki Nishijima, Toshitsugu Sueki, Shogo Esaki, Isao Tanaka, Yukinori Koyama, Katsuhisa Tanaka, Koji Fujita, Shunsuke Murai