The Alkali Metal Is Lithium Patents (Class 429/322)
  • Patent number: 9260320
    Abstract: The present invention provides a ceramic material allowing a pellet having higher density and satisfactory Li ion conduction to be obtained. The ceramic material contains Li, La, Zr, Al and O and has a garnet-type or garnet-like crystal structure, the ratio of the number of moles of Li with respect to La being 2.0 or greater to 2.5 or lower.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: February 16, 2016
    Assignees: NGK Insulators, Ltd., Tokyo Metropolitan University
    Inventors: Kiyoshi Kanamura, Atsushi Kaeriyama, Toshihiro Yoshida, Akihiko Honda, Yosuke Sato
  • Patent number: 9250297
    Abstract: A method for testing a lithium ion battery is disclosed. An under-test lithium ion battery including a cathode active material is provided. A reference voltage value is set according to the cathode active material. The under-test lithium ion battery is over charged, while an actual voltage change of the under-test lithium ion battery is tested during the over charging. A maximum voltage value is recorded before a first decrease in the actual voltage change of the under-test lithium ion battery during the over charging. The maximum voltage value is compared with the reference voltage value. A method for evaluating a safety of a lithium ion battery is also disclosed.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: February 2, 2016
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Xiang-Ming He, Jian-Jun Li, Li Wang, Jian Gao
  • Patent number: 9246188
    Abstract: Solid electrolyte antiperovskite compositions for batteries, capacitors, and other electrochemical devices have chemical formula Li3OA, Li(3-x)Mx/2OA, Li(3-x)Nx/3OA, or LiCOXzY(1-z), wherein M and N are divalent and trivalent metals respectively and wherein A is a halide or mixture of halides, and X and Y are halides.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: January 26, 2016
    Assignee: Los Alamos National Security, LLC
    Inventors: Yusheng Zhao, Luc Louis Daemen
  • Patent number: 9225006
    Abstract: A secondary battery includes: a cathode; an anode; and an electrolytic solution. The cathode includes a lithium composite oxide, a first compound, and a second compound. The lithium composite oxide includes lithium (Li) and a transition metal element as constituent elements. The first compound includes a first metal element different from the transition metal element as a constituent element, the first compound existing on a surface and inside of the lithium composite oxide. The second compound includes a second metal element different from the first metal element as a constituent element, the second compound existing on the surface of the lithium composite oxide.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: December 29, 2015
    Assignee: SONY CORPORATION
    Inventors: Satoshi Fujiki, Hideki Nakai, Yosuke Hosoya
  • Patent number: 9190697
    Abstract: A composition comprised of nanoparticles of lithium ion conducting solid oxide material, wherein the solid oxide material is comprised of lithium ions, and at least one type of metal ion selected from pentavalent metal ions and trivalent lanthanide metal ions. Solution methods useful for synthesizing these solid oxide materials, as well as precursor solutions and components thereof, are also described. The solid oxide materials are incorporated as electrolytes into lithium ion batteries.
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: November 17, 2015
    Assignee: UT-BATTELLE, LLC
    Inventors: Chaitanya K. Narula, Claus Daniel
  • Patent number: 9172112
    Abstract: An object of the present invention is to provide a sulfide solid electrolyte glass with high Li ion conductivity. The present invention achieves the above-mentioned object by providing a sulfide solid electrolyte glass comprising Li4P2S6, characterized by having a glass transition point.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: October 27, 2015
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shigenori Hama, Takamasa Ohtomo, Yuki Kato, Koji Kawamoto
  • Patent number: 9166253
    Abstract: A solid-state battery including: a cathode, an anode, a solid-state electrolyte layer disposed between the cathode and the anode, wherein the solid-state electrolyte layer and at least the cathode of the cathode and the anode includes a sulfide solid-state electrolyte, the sulfide solid-state electrolyte includes an amorphous material and a crystalline material, a first proportion of the amorphous material in at least the cathode of the cathode and the anode is greater than a first proportion of the crystalline material in at least the cathode of the cathode and the anode, and a second proportion of the amorphous material in the solid-state electrolyte layer is less than a second proportion of the crystalline material in the solid-state electrolyte layer.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: October 20, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Satoshi Fujiki, Yuichi Aihara, Koji Hoshiba
  • Patent number: 9160035
    Abstract: A method for manufacturing the lithium ion conductive substance is provided that includes the following steps: (a) a step of forming an inorganic substance that contains predetermined quantities of a Li component, an Al component, a Ti component, a Si component, and a P component, into a sheet shape, and (b) a step of interposing between materials that contain at least one kind of element selected from Zr, Hf, Y, and Sm, and sintering, a sheet-shaped formed body obtained at step (a).
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: October 13, 2015
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Koichi Hamamoto, Yoshinobu Fujishiro, Danila Victorovich Matveev
  • Patent number: 9160034
    Abstract: A method for producing a sulfide solid electrolyte material having a small amount of hydrogen sulfide generation and a high Li ion conductivity. To achieve the above, a method for producing a sulfide solid electrolyte material is provided, including steps of: a providing step for providing a crystallized sulfide solid electrolyte material prepared by using a raw material composition containing Li2S and P2S5; and an amorphizing step for applying amorphization treatment to the crystallized sulfide solid electrolyte material.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: October 13, 2015
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuki Kato, Koji Kawamoto, Shigenori Hama, Takamasa Otomo
  • Patent number: 9123969
    Abstract: A vehicle propulsion system comprising a plurality of solid state rechargeable battery cells configured to power a drivetrain. In accordance with once aspect of the invention, a transportation system that is powered at least in part by electricity stored in the form of rechargeable electrochemical cells. According to an embodiment of the present invention, these cells are combined in series and in parallel to form a pack that is regulated by charge and discharge control circuits that are programmed with algorithms to monitor state of charge, battery lifetime, and battery health.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: September 1, 2015
    Assignee: Sakti3, Inc.
    Inventors: Ann Marie Sastry, Fabio Albano, Chia-Wei Wang, Robert Kruse, Jeffrey Lebrun
  • Patent number: 9115004
    Abstract: A negative active material comprising lithium titanate oxide having an area ratio of a diffraction peak of a (111) plane that appears at 2?=18.3°±0.4 to a diffraction peak of a (311) plane that appears at 2?=35.5°±0.4, in an XRD spectrum, in the range of about 2.2:1 to about 5.5:1, a negative electrode comprising the negative active material, a lithium secondary battery comprising the negative electrode, and a method of preparing the negative active material.
    Type: Grant
    Filed: June 11, 2012
    Date of Patent: August 25, 2015
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jong-Hee Lee, Yong-Mi Yu, Joa-Young Jeong, Jae-Myung Kim
  • Patent number: 9112236
    Abstract: A lithium secondary battery comprising: a positive electrode and a negative electrode which each has a specific composition and specific properties; and a nonaqueous electrolyte which contains a cyclic siloxane compound represented by general formula (1), fluorosilane compound represented by general formula (2), compound represented by general formula (3), compound having an S—F bond in the molecule, nitric acid salt, nitrous acid salt, monofluorophosphoric acid salt, difluorophosphoric acid salt, acetic acid salt, or propionic acid salt in an amount of 10 ppm or more of the whole nonaqueous electrolyte. This lithium secondary battery has a high capacity, long life, and high output. [In general formula (1), R1 and R2 are an organic group having 1-12 carbon atoms and n is an integer of 3-10. In general formula (2), R3 to R5 are an organic group having 1-12 carbon atoms; x is an integer of 1-3; and p, q, and r each are an integer of 0-3, provided that 1?p+q+r?3.
    Type: Grant
    Filed: October 19, 2006
    Date of Patent: August 18, 2015
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Hidekazu Miyagi, Ryoichi Kato, Takayuki Nakajima, Hitoshi Suzuki, Hiroyuki Oshima
  • Patent number: 9093717
    Abstract: Various embodiments relate to a method comprising combining a chelating agent, one or more non-aqueous organic solvents and one or more metallic compounds to produce an oxide ceramic solid in a non-aqueous solution based reaction, wherein the oxide ceramic solid contains metal-oxygen-metal bonds. The oxide ceramic solid can comprise, for example, a gel or a powder. Various devices, including electrolyte interfaces and energy storage devices, are also provided. In one embodiment, the oxide ceramic solid is a cubic garnet having a nominal formula of Li7La3Zr2O12 (LLZO).
    Type: Grant
    Filed: May 21, 2012
    Date of Patent: July 28, 2015
    Assignee: BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY
    Inventors: Jeffrey Sakamoto, Ezhiyl Rangasamy, Hyunjoong Kim, Yunsung Kim, Ryan Patrick Maloney
  • Patent number: 9093227
    Abstract: Super capacitor including a gel electrolyte and manufacturing method thereof are provided. The gel electrolyte is one selected from a group consisting of a P(AN-EG-AN) copolymer, a P(AN-EG) copolymer, a P(EG-AN-EG) copolymer and a combination thereof.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: July 28, 2015
    Assignee: NATIONAL CHENG KUNG UNIVERSITY
    Inventors: Hsisheng Teng, Sheng-Shu Hou, Ping-Lin Kuo, Cheng-Wei Huang, Ching-An Wu
  • Patent number: 9051201
    Abstract: Glass includes an aggregate of solid electrolyte particles including Li, P, and S, wherein when a Raman spectrum of the glass is repeatedly measured and a peak at 330 to 450 cm?1 in each Raman spectrum is separated to waveforms of individual components, a standard deviation of a waveform area ratio of each component is less than 4.0.
    Type: Grant
    Filed: April 7, 2010
    Date of Patent: June 9, 2015
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryo Aburatani, Minoru Senga, Tsuyoshi Ota, Masaru Nakagawa
  • Patent number: 9034525
    Abstract: Amorphous lithium lanthanum zirconium oxide (LLZO) is formed as an ionically-conductive electrolyte medium. The LLZO comprises by percentage of total number of atoms from about 0.1% to about 50% lithium, from about 0.1% to about 25% lanthanum, from about 0.1% to about 25% zirconium, from about 30% to about 70% oxygen and from 0.0% to about 25% carbon. At least one layer of amorphous LLZO may be formed through a sol-gel process wherein quantities of lanthanum methoxyethoxide, lithium butoxide and zirconium butoxide are dissolved in an alcohol-based solvent to form a mixture which is dispensed into a substantially planar configuration, transitioned through a gel phase, dried and cured to a substantially dry phase.
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: May 19, 2015
    Assignee: Johnson IP Holding, LLC
    Inventors: Davorin Babic, Stanley Jones
  • Patent number: 9034526
    Abstract: A garnet-type solid electrolyte contains a crystal having (110) face, (1-10) face, (112) face, (1-12) face, and (11-2) face, the garnet-type solid electrolyte being Li7La3Zr2O12. A battery includes a solid electrolyte interposed between a positive and a negative electrode, the solid electrolyte being the garnet-type solid electrolyte. A method of producing a garnet-type solid electrolyte represented by a composition formula Li7La3Zr2O12 and has (110) face, (1-10) face, (112) face, (1-12) face, and (11-2) face as a crystal face, including a step of preparing a lithium-containing compound, a lanthanum-containing compound, and a zirconium-containing compound; a step of mixing these compounds such that a molar ratio among the elements satisfies Li:La:Zr=a:b:c (where a is from 120 to 160, b is from 1 to 5, and c is from 1 to 5); and a step of heating the mixture between 400 and 1,200° C.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: May 19, 2015
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, SHINSHU UNIVERSITY
    Inventors: Katsuya Teshima, Masato Hozumi
  • Publication number: 20150132662
    Abstract: An inorganic solid electrolyte glass phase composite is provided comprising a substance of the general formula La2/3-xLi3xTiO3 wherein x ranges from about 0.04 to about 0.17, and a glass material. The glass material is one or more compounds selected from Li2O, Li2S, Li2SO4, Li3PO4, P2O5, P2O3, Al2O3, SiO2, CaO, MgO, BaO, TiO2, GeO2, SiS2, Sb2O3, SnS, TaS2, P2S5, B253, and a combination of two or more thereof. A lithium-ion conducting solid electrolyte composite is disclosed comprising a lithium-ion conductive substance of the general formula La2/3-xLi3xTiO3—Z wherein x ranges form about 0.04 to 0.17, and wherein “Z” is the glass material identified above. A battery is disclosed having at least one cathode and anode and an inorganic solid electrolyte glass phase composite as described above disposed on or between at least one of the cathode and the anode.
    Type: Application
    Filed: September 17, 2014
    Publication date: May 14, 2015
    Inventors: Hui Zhang, Xingbo Liu, Yinglu Jiang
  • Patent number: 9029023
    Abstract: Provided are a multi-layered structure electrolyte including a gel polymer electrolyte on opposite surfaces of a ceramic solid electrolyte, for a lithium ion secondary battery including positive and negative electrodes capable of intercalating/deintercalating lithium ions, and a lithium ion secondary battery including the electrode. The electrolyte includes a gel polymer electrolyte on opposite surfaces of a ceramic solid electrolyte.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: May 12, 2015
    Assignee: Samsung Fine Chemicals Co., Ltd
    Inventor: Shin Jung Choi
  • Patent number: 9023531
    Abstract: Disclosed is a nonaqueous secondary battery (100) comprising a positive electrode (155) having a positive current collector (151) made of a metal, and a positive electrode active material (153) composed of a lithium-metal complex oxide. The surface of the positive electrode active material (153) is coated with a lithium salt (158) having an average thickness of 20-50 nm.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: May 5, 2015
    Assignees: Toyota Jidosha Kabushiki Kaisha, Sumitomo Metal Mining Co., Ltd.
    Inventors: Tomoyoshi Ueki, Yutaka Oyama, Takuichi Arai, Kazuhiro Ohkawa, Koichi Yokoyama, Ryuichi Kuzuo, Katsuya Kase, Syuhei Oda
  • Publication number: 20150118573
    Abstract: A solid electrolyte includes a plurality of particles having lithium ionic conductivity and a matrix which is interposed among the particles so as to be in contact with each of the particles and is formed from an amorphous material containing the following (a) and (b): (a) lithium atoms; and (b) an oxide of at least one element selected from the group consisting of boron, a Group 14 element in period 3 or lower, and a Group 15 element in period 3 or lower.
    Type: Application
    Filed: October 22, 2014
    Publication date: April 30, 2015
    Inventors: Tomofumi YOKOYAMA, Tsutomu TERAOKA
  • Publication number: 20150118572
    Abstract: The present disclosure generally provides for a solid-state battery, and methods of fabricating embodiments of the solid-state battery. Embodiments of the present disclosure may include an electrode for a solid-state battery, the electrode including: a current collector region including a conductive, lithium electroactive material; and a plurality of nanowires contacting the current collector region.
    Type: Application
    Filed: October 29, 2013
    Publication date: April 30, 2015
    Applicant: BATTERY ENERGY STORAGE SYSTEMS-TECHNOLOGIES
    Inventors: Isaac Lund, Fernando Gomez-Baquero, Bruce Toyama
  • Publication number: 20150118571
    Abstract: A lithium lanthanum zirconium oxide (LLZO) having a garnet crystal structure contains fluorine in an amount up to 40 mol %. The fluorine, which may be in the form of a lithium compound such as lithium fluoride, may act as a sintering aid and promote formation of the cubic garnet phase. The sintered oxide may be a dense ceramic that includes a plurality of distributed closed pores. Solid electrolyte membranes comprising the oxide can have an ionic conductivity of at least 1×10?4 S/cm.
    Type: Application
    Filed: October 17, 2014
    Publication date: April 30, 2015
    Applicant: SHANGHAI INSTITUTE OF CERAMICS, CHINESE ACADAMY OF SCIENCES
    Inventors: Cai Liu, Zhaoyin Wen
  • Publication number: 20150118574
    Abstract: A positive electrode for a lithium-ion secondary battery includes a positive electrode particle including a positive active material including a lithium salt, and a coating layer including an amorphous carbonaceous layer on a surface of the positive active material, and a sulfide solid electrolyte contacting the coating layer, wherein the sulfide solid electrolyte includes a solid sulfide.
    Type: Application
    Filed: October 31, 2014
    Publication date: April 30, 2015
    Inventors: Heidy Visbal, Yuichi Aihara
  • Patent number: 9017876
    Abstract: A method of producing a positive electrode active material, comprising the steps of: preparing a solution by dissolving, in a solvent, respective predetermined amounts of a lithium source, a M source, a phosphorus source and a X source necessary for forming a positive electrode active material represented by the following general formula (1) having an olivine structure; gelating the obtained solution by addition of a cyclic ether; and calcinating the generated gel to obtain a carbon-coated lithium-containing composite oxide, wherein the positive electrode active material is represented by the general formula (1): LixMyP1-zXzO4??(1) wherein M is at least one element selected from the group consisting of Fe, Ni, Mn, Zr, Sn, Al and Y, X is at least one selected from the group consisting of Si and Al, and 0<x?2, 0.8?y?1.2, 0?z?1.
    Type: Grant
    Filed: October 18, 2011
    Date of Patent: April 28, 2015
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Toshitsugu Sueki, Motoaki Nishijima, Koji Ohira, Shogo Esaki, Isao Tanaka, Yukinori Koyama, Katsuhisa Tanaka, Koji Fujita, Shunsuke Murai
  • Publication number: 20150111111
    Abstract: An all-solid battery that includes a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer. At least one of the positive electrode layer and the negative electrode layer contains an electrode active material and a solid electrolyte, and a difference between a resistivity associated with ion migration and a resistivity associated with electron migration is 0 k?·cm or more and 100 k?·cm or less in the electrode layer containing the electrode active material and the solid electrolyte.
    Type: Application
    Filed: December 23, 2014
    Publication date: April 23, 2015
    Inventors: Tadaaki Matsumura, Mika Tagami
  • Patent number: 9005821
    Abstract: A nonaqueous electrolyte secondary battery includes: a positive electrode; a negative electrode; and a nonaqueous electrolyte, wherein an open circuit voltage in a completely charged state per pair of a positive electrode and a negative electrode is from 4.25 to 6.
    Type: Grant
    Filed: February 11, 2010
    Date of Patent: April 14, 2015
    Assignee: Sony Corporation
    Inventors: Toru Odani, Tadahiko Kubota
  • Publication number: 20150099190
    Abstract: 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. Also 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. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) 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: Application
    Filed: October 7, 2014
    Publication date: April 9, 2015
    Inventors: Tim Holme, Niall Donnelly, Sriram Iyer, Adrian Winoto, Mohit Singh, Will Hudson, Dong Hee Anna Choi, Oleh Karpenko
  • Publication number: 20150099197
    Abstract: A lithium-lanthanum-titanium oxide sintered material has a lithium ion conductivity 3.0×10?4 Scm?1 or more at a measuring temperature of 27° C., the material is described by one of general formulas (1?a)LaxLi2-3xTiO3-aSrTiO3, (1?a)LaxLi2-3xTiO3-aLa0.5K0.5TiO3, LaxLi2-3xTi1-aMaO3-a, Srx-1.5aLaaLi1.5-2xTi0.5Ta0.5O3 (0.55?x?0.59, 0?a?0.2, M=at least one of Fe or Ga), amount of Al contained is 0.35 mass % or less as Al2O3, amount of Si contained is 0.1 mass % or less as SiO2, and average particle diameter is 18 ?m or more.
    Type: Application
    Filed: April 22, 2013
    Publication date: April 9, 2015
    Applicants: Toho Titanium Co., Ltd., NAKASHIMA SANGYO CO., LTD., THE GAKUSHUIN SCHOOL CORPORATION
    Inventors: Mamoru Nakashima, Yoshiyuki Inaguma, Mikio Nakashima
  • Patent number: 8999588
    Abstract: A method for producing a lithium alkali transition metal oxide for use as a positive electrode material for lithium secondary batteries by a precipitation method. The positive electrode material is a lithium alkali transition metal composite oxide and is prepared by mixing a solid state mixed with alkali and transition metal carbonate and a lithium source. The mixture is thermally treated to obtain a small amount of alkali metal residual in the lithium transition metal composite oxide cathode material.
    Type: Grant
    Filed: September 18, 2012
    Date of Patent: April 7, 2015
    Assignee: UChicago Argonne, LLC
    Inventors: Sang-Ho Park, Khalil Amine
  • Publication number: 20150093652
    Abstract: A sulfide solid electrolyte including a sulfide product prepared by mixing at least Li2S and P2S5 in an organic solvent, wherein the organic solvent includes a tetrahydrofuran compound optionally substituted with a C1-C6 hydrocarbon group or a C1-C6 hydrocarbon group including an ether group, or a C2-C7 non-cyclic ether compound.
    Type: Application
    Filed: October 2, 2014
    Publication date: April 2, 2015
    Inventors: Yuich AIHARA, Nobuya MACHIDA, Seitaro ITO
  • Patent number: 8993176
    Abstract: An object of the present invention is to provide a sulfide solid electrolyte glass producing a tiny amount of hydrogen sulfide. The present invention attains the above-mentioned object by providing a sulfide solid electrolyte glass including Li3PS4, characterized in that Li4P2S7 is not detected by 31P NMR measurement and the content of Li2S as determined by XPS measurement is 3% by mol or less.
    Type: Grant
    Filed: July 22, 2010
    Date of Patent: March 31, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yuki Kato, Koji Kawamoto, Shigenori Hama, Takamasa Otomo
  • Publication number: 20150086875
    Abstract: [Problem] To provide an electrode for all-solid-state secondary batteries, which is capable of improving the high-temperature cycle characteristics of an all-solid-state secondary battery. [Solution] An electrode for all-solid-state secondary batteries of the present invention comprises a collector, a conductive adhesive layer and an electrode mixture layer. The electrode mixture layer contains a binder, an inorganic solid electrolyte that contains sulfur atoms, and an electrode active material. The conductive adhesive layer contains conductive particles and a binder for adhesive layers, said binder being composed of a diene polymer. The diene polymer contains 10-75% by mass of a diene monomer unit, and has an iodine number of 5-350 mg/100 mg. The sulfur atoms contained in the inorganic solid electrolyte and carbon-carbon double bonds of the diene polymer are crosslinked with each other.
    Type: Application
    Filed: March 27, 2013
    Publication date: March 26, 2015
    Applicant: ZEON CORPORATION
    Inventor: Naoki Yoshida
  • Patent number: 8986895
    Abstract: An all-solid-state lithium ion secondary battery containing a novel garnet-type oxide serving as a solid electrolyte. The garnet-type lithium ion-conducting oxide is one represented by the formula Li5+XLa3(ZrX, A2-X)O12, wherein A is at least one selected from the group consisting of Sc, Ti, V, Y, Nb, Hf, Ta, Al, Si, Ga, Ge, and Sn and X satisfies the inequality 1.4?X<2, or is one obtained by substituting an element having an ionic radius different from that of Zr for Zr sites in an garnet-type lithium ion-conducting oxide represented by the formula Li7La3Zr2O12, wherein the normalized intensity of an X-ray diffraction (XRD) pattern with a diffraction peak, as normalized on the basis of the intensity of a diffraction peak, is 9.2 or more.
    Type: Grant
    Filed: February 2, 2010
    Date of Patent: March 24, 2015
    Assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Shingo Ohta, Tetsuro Kobayashi, Takahiko Asaoka, Mitsuru Asai
  • Publication number: 20150079481
    Abstract: A method of fabricating an electrochemical device comprising a lithium metal electrode, may comprise: providing a substrate with a lithium metal electrode on the surface thereof; depositing a first layer of dielectric material on the lithium metal electrode, the depositing the first layer being sputtering Li3PO4 in an argon ambient; after the depositing the first layer, inducing and maintaining a nitrogen plasma over the first layer of dielectric material to provide ion bombardment of the first layer for incorporation of nitrogen therein; and after the depositing, the inducing and the maintaining, depositing a second layer of dielectric material on the ion bombarded first layer of dielectric material, the depositing the second layer being sputtering Li3PO4 in a nitrogen-containing ambient. Electrochemical devices may comprise a barrier layer between the lithium metal electrode and the LiPON electrolyte.
    Type: Application
    Filed: January 2, 2014
    Publication date: March 19, 2015
    Inventors: Lizhong SUN, Chong JIANG, Byung-Sung Leo KWAK, Joseph G. GORDON, II
  • Publication number: 20150064576
    Abstract: A lithium-ion conductive glass-ceramic article has a crystalline component characterized by the formula MA2(XO4)3, where M represents one or more monovalent or divalent cations selected from Li, Na and Zn, A represents one or more trivalent, tetravalent or pentavalent cations selected from Al, Cr, Fe, Ga, Si, Ti, Ge, V and Nb, and X represents P cations which may be partially substituted by B cations.
    Type: Application
    Filed: August 27, 2014
    Publication date: March 5, 2015
    Inventors: Bruce Gardiner Aitken, Nadja Teresia Lonnroth
  • Patent number: 8968939
    Abstract: A solid electrolyte material that can react with an electrode active material to forms a high-resistance portion includes fluorine.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: March 3, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yasushi Tsuchida, Koji Kawamoto, Yukiyoshi Ueno, Shigenori Hama, Masato Kamiya, Hiroshi Nagase
  • Publication number: 20150056517
    Abstract: An example of a flexible membrane includes a porous membrane and a solid electrolyte coating formed on at least a portion of a surface of the porous membrane, in pores of the porous membrane, or both on the surface and in the pores. The solid electrolyte coating includes i) a polymer chain or ii) an inorganic ionically conductive material. The polymer chain or the inorganic material includes a group to interact or react with a polysulfide through covalent bonding or supramolecular interaction.
    Type: Application
    Filed: August 4, 2014
    Publication date: February 26, 2015
    Inventors: Weidong Zhou, Xingcheng Xiao, Mei Cai
  • Publication number: 20150056520
    Abstract: An impregnated solid state composite cathode is provided. The cathode contains a sintered porous active material, in which pores of the porous material are impregnated with an inorganic ionically conductive amorphous solid electrolyte. A method for producing the impregnated solid state composite cathode involves forming a pellet containing an active intercalation cathode material; sintering the pellet to form a sintered porous cathode pellet; impregnating pores of the sintered porous cathode pellet with a liquid precursor of an inorganic amorphous ionically conductive solid electrolyte; and curing the impregnated pellet to yield the composite cathode.
    Type: Application
    Filed: March 1, 2013
    Publication date: February 26, 2015
    Inventors: Joykumar S. Thokchom, Davorin Babic, Lonnie G. Johnson, Lazbourne Alanzo Allie, David Ketema Johnson, William Rauch
  • Publication number: 20150056518
    Abstract: Amorphous lithium lanthanum zirconium oxide (LLZO) is formed as an ionically-conductive electrolyte medium. The LLZO comprises by percentage of total number of atoms from about 0.1% to about 50% lithium, from about 0.1% to about 25% lanthanum, from about 0.1% to about 25% zirconium, from about 30% to about 70% oxygen and from 0.0% to about 25% carbon. At least one layer of amorphous LLZO may be formed through a sol-gel process wherein quantities of lanthanum methoxyethoxide, lithium butoxide and zirconium butoxide are dissolved in an alcohol-based solvent to form a mixture which is dispensed into a substantially planar configuration, transitioned through a gel phase, dried and cured to a substantially dry phase.
    Type: Application
    Filed: October 31, 2014
    Publication date: February 26, 2015
    Applicant: JOHNSON IP HOLDING, LLC
    Inventors: Davorin BABIC, Lonnie G. JOHNSON, William RAUCH, David Ketema JOHNSON, Stanley JONES, Lazbourne Alanzo ALLIE, Adrian M. GRANT
  • Patent number: 8962194
    Abstract: A lithium-ion-conducting sulfide-based crystallized glass including: lithium (Li), phosphorus (P), and sulfur (S) elements, wherein the glass has diffraction peaks at 2?=17.8±0.3 deg, 18.2±0.3 deg, 19.8±0.3 deg, 21.8±0.3 deg, 23.8±0.3 deg, 25.9±0.3 deg, 29.5±0.3 deg and 30.0±0.3 deg in X-ray diffraction (CuK?: ?=1.5418 ?).
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: February 24, 2015
    Assignees: Idemitsu Kosan Co., Ltd.
    Inventors: Minoru Senga, Yoshikatsu Seino, Masahiro Tatsumisago, Akitoshi Hayashi
  • Patent number: 8962195
    Abstract: A lithium transition metal-based compound powder for a lithium secondary battery positive electrode material that can achieve both improvements of load characteristics such as rate and output characteristics and a higher density is a lithium transition metal-based compound powder containing, as a main component, a lithium transition metal-based compound that has a function of allowing elimination and insertion of lithium ions, and including a crystal structure belonging to a layer structure, wherein primary particles are aggregated to form secondary particles, the ratio A/B of a median diameter A of the secondary particles to an average diameter (average primary particle diameter B) is in the range of 8 to 100, and 0.01?FWHM(110)?0.5 where FWHM(110) is the half width of a (110) diffraction peak present near a diffraction angle 2? of 64.5° in a powder X-ray diffraction analysis using a CuK? line.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: February 24, 2015
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Kenji Shizuka, Kaoru Terada, Kenji Okahara, Tomohiro Kusano
  • Publication number: 20150044576
    Abstract: An all-solid-state cell, which includes a lithium-containing anode, a cathode and a lithium ions-conducting solid-state electrolyte separator situated between the anode and the cathode. To improve the safety and cycle stability of the cell, the cathode includes a composite material including at least one lithium titanate and at least one lithium ions-conducting solid-state electrolyte. Furthermore, the invention relates to a corresponding all-solid-state battery and a mobile or stationary system equipped with it.
    Type: Application
    Filed: January 24, 2013
    Publication date: February 12, 2015
    Applicant: Robert Bosch GmbH
    Inventors: Ulrich Eisele, Alan Logeat, Hideki Ogihara
  • Publication number: 20150044575
    Abstract: In a Li ion conductivity oxide solid electrolyte containing lithium, lanthanum, and zirconium, a part of oxygen is substituted by an element M (M=N, Cl, S, Se, or Te) having smaller electronegativity than oxygen.
    Type: Application
    Filed: August 7, 2014
    Publication date: February 12, 2015
    Applicant: Hitachi, Ltd.
    Inventors: JUN KAWAJI, Takahiro YAMAKI
  • Patent number: 8951675
    Abstract: The disclosed embodiments provide a battery cell. The battery cell includes a cathode current collector containing graphene, a cathode active material, an electrolyte, an anode active material, and an anode current collector. The graphene may reduce the manufacturing cost and/or increase the energy density of the battery cell.
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: February 10, 2015
    Assignee: Apple Inc.
    Inventors: Ramesh C. Bhardwaj, Richard M. Mank
  • Publication number: 20150037689
    Abstract: Provided is a lithium secondary battery with three-dimensional network porous bodies as current collectors in which the internal resistance does not increase even after repeated charging and discharging. A lithium secondary battery including a positive electrode and a negative electrode each having as a current collector a three-dimensional network porous body, the positive electrode and the negative electrode being formed by filling at least an active material into pores of the three-dimensional network porous bodies, wherein the three-dimensional network porous body for the positive electrode is a three-dimensional network aluminum porous body having a hardness of 1.2 GPa or less, and the three-dimensional network porous body for the negative electrode is a three-dimensional network copper porous body having a hardness of 2.6 GPa or less.
    Type: Application
    Filed: February 22, 2013
    Publication date: February 5, 2015
    Inventors: Junichi Nishimura, Kazuhiro Gotou, Akihisa Hosoe, Kentarou Yoshida
  • Publication number: 20150037688
    Abstract: An all-solid-state cell contains at least a positive electrode layer, a solid electrolyte layer, and a negative electrode layer, which are arranged in a stack. The positive electrode layer contains only a positive electrode active material, and a predetermined crystal plane of the positive electrode active material is oriented in a direction of lithium ion conduction. The negative electrode layer contains a carbonaceous material, and the volume ratio of the carbonaceous material to the negative electrode layer is 70% or greater.
    Type: Application
    Filed: July 25, 2014
    Publication date: February 5, 2015
    Applicant: NGK INSULATORS, LTD.
    Inventors: Haruo Otsuka, Naomi Hashimoto, Toshihiro Yoshida, Kenshin Kitoh
  • Publication number: 20150037687
    Abstract: A main object of the present invention is to provide a sulfide solid electrolyte material having favorable ion conductivity and low reduction potential. The present invention solves the above-mentioned problem by providing a sulfide solid electrolyte material including an M1 element (such as a Li element), an M2 element (such as a Ge element, a Si element and a P element) and a S element, wherein the material has a peak at a position of 2?=29.58°±0.50° in X-ray diffraction measurement using a CuK? line; and when a diffraction intensity at the peak of 2?=29.58°±0.50° is regarded as IA and a diffraction intensity at a peak of 2?=27.33°±0.50° is regarded as IB, a value of IB/IA is less than 0.50, and M2 contains at least P and Si.
    Type: Application
    Filed: February 5, 2013
    Publication date: February 5, 2015
    Inventors: Ryoji Kanno, Masaaki Hirayama, Yuki Kato, Takamasa Otomo, Mitsuru Sakano
  • Patent number: 8945781
    Abstract: The present invention provides a non-aqueous electrolyte secondary battery wherein a reaction between a non-aqueous electrolyte and an electrode is suppressed and decrease in battery capacity under high temperature is restricted, so that long time excellent battery characteristics can be obtained. A non-aqueous solvent of the non-aqueous electrolyte contains: chain fluorinated carboxylic acid ester represented by the formula R1-CH2—COO—R2 where R1 represents hydrogen or alkyl group and R2 represents alkyl group and the sum of the carbon numbers of R1 and R2 is 3 or less, and in the case that R1 is hydrogen, at least one part of hydrogen in R2 is replaced with fluorine, and, in the case that R1 is alkyl group, at least one part of hydrogen in R1 and/or R2 is replaced with fluorine; and a film forming chemical compound decomposed in the range of +1.0 to 3.0 V based on an equilibrium potential between metal lithium and lithium ion.
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: February 3, 2015
    Assignees: SANYO Electric Co., Ltd., Kanto Denka Kogyo Co., Ltd.
    Inventors: Takanobu Chiga, Keiji Saisho, Ryo Mogi, Osamu Omae
  • Patent number: 8945779
    Abstract: A main object of the present invention is to provide a solid electrolyte material having excellent Li ion conductivity. To attain the object, the present invention provides a solid electrolyte material represented by a general formula: Lix(La1-aM1a)y(Ti1-bM2b)zO?, characterized in that “x”, “y”, and “z” satisfy relations of x+y+z=1, 0.652?x/(x+y+z)?0.753, and 0.167?y/(y+z)?0.232; “a” is 0?a?1; “b” is 0?b?1; “?” is 0.8???1.2; “M1” is at least one selected from the group consisting of Sr, Na, Nd, Pr, Sm, Gd, Dy, Y, Eu, Tb, and Ba; and “M2” is at least one selected from the group consisting of Mg, W, Mn, Al, Ge, Ru, Nb, Ta, Co, Zr, Hf, Fe, Cr, and Ga.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: February 3, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Chihiro Yada, Hiroshi Suyama, Shoji Yokoishi, Brian Elliott Hayden, Thierry Le Gall, Duncan Clifford Alan Smith, Christopher Edward Lee