The Alkali Metal Is Lithium Patents (Class 429/322)
  • Patent number: 10483586
    Abstract: An all-solid-state battery includes a mixture layer which has a physical mixture of a sulfide-based sodium-containing solid electrolyte material and a sulfide-based lithium-containing solid electrolyte material.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: November 19, 2019
    Assignee: TOYOTA MOTOR EUROPE
    Inventors: Yuki Katoh, Jun Yoshida
  • Patent number: 10446331
    Abstract: Embodiments of the present invention may provide a wafer-capped rechargeable power source. The wafer-capped rechargeable power source may comprise a device wafer, a rechargeable power source disposed on a surface of the device wafer, and a capping wafer to encapsulate the rechargeable power source. The rechargeable power source may include an anode component, a cathode component, and an electrolyte component.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: October 15, 2019
    Assignee: Analog Devices, Inc.
    Inventor: Baoxing Chen
  • Patent number: 10439250
    Abstract: Method of making solid-state electrolyte with composition formula Li7-xLa3Zr2-xBixO12. The method includes making a polymerized complex of the metal-ions of the composition formula, and making an agglomerate therefrom to be calcined and sintered to produce the solid-state electrolyte. A solid-state electrolyte with the composition formula Li7-xLa3Zr2-xBixO12 with superior ionic conductivity by choice of the value of x and processing conditions. A battery employing a solid-state electrolyte of superior ionic conductivity with the composition formula Li7-xLa3Zr2-xBixO12.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: October 8, 2019
    Assignee: Purdue Research Foundation
    Inventors: Derek Karl Schwanz, Esteban Ernesto Marinero-Caceres
  • Patent number: 10403931
    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: Grant
    Filed: October 7, 2014
    Date of Patent: September 3, 2019
    Assignee: QuantumScape Corporation
    Inventors: Tim Holme, Niall Donnelly
  • Patent number: 10396707
    Abstract: An integrated kesterite (e.g., CZT(S,Se)) photovoltaic device and battery is provided. In one aspect, a method of forming an integrated photovoltaic device and battery includes: forming a photovoltaic device having a substrate, an electrically conductive layer, an absorber layer, a buffer layer, a transparent front contact, and a metal grid; removing the substrate and the electrically conductive layer from the photovoltaic device to expose a backside surface of the absorber layer; forming at least one back contact on the backside surface of the absorber layer; and integrating the photovoltaic device with a battery, wherein the integrating includes connecting i) a positive contact of the battery with the back contact on the backside surface of the absorber layer and ii) a negative contact of the battery with the metal grid on the transparent front contact. An integrated photovoltaic device and battery is also provided.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: August 27, 2019
    Assignee: International Business Machines Corporation
    Inventors: Priscilla D. Antunez, Richard A. Haight, James B. Hannon, Teodor K. Todorov
  • Patent number: 10388986
    Abstract: A sulfide solid electrolyte material includes a sulfide phase containing a sulfide material and an oxide phase containing an oxide formed by oxidation of the sulfide material. The oxide phase is located on a surface of the sulfide phase. The sulfide solid electrolyte material satisfies conditions: 1.28?x?4.06 and x/y?2.60, where x denotes the oxygen-to-sulfur elemental ratio measured by XPS depth profiling at the outermost surface of the oxide phase; and y denotes the oxygen-to-sulfur elemental ratio measured by XPS depth profiling at a position 32 nm, estimated from the SiO2 sputtering rate, away from the outermost surface of the oxide phase.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: August 20, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Izuru Sasaki, Junichi Hibino
  • Patent number: 10347901
    Abstract: A method of preparing an electrode for a lithium-ion battery includes mixing a magnetic, electrically conductive material with a lithium conductive polymer; forming tubes of the polymer and magnetic, electrically conductive material; mixing the tubes with a slurry of an electrode material; coating a current collector with the slurry; and applying a magnetic field to the slurry to align the tubes within the slurry in relation to the current collector. The aligned tubes form electrical and ionic conductive pathways within the slurry. The tubes have a length less than half a thickness of the slurry.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: July 9, 2019
    Assignee: Nissan North America, Inc.
    Inventors: Ying Liu, Taehee Han, Yoshitaka Uehara
  • Patent number: 10333123
    Abstract: A high capacity solid state composite cathode contains an active cathode material dispersed in an amorphous inorganic ionically conductive metal oxide, such as lithium lanthanum zirconium oxide and/or lithium carbon lanthanum zirconium oxide. A solid state composite separator contains an electronically insulating inorganic powder dispersed in an amorphous, inorganic, ionically conductive metal oxide. Methods for preparing the composite cathode and composite separator are provided.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: June 25, 2019
    Assignee: Johnson IP Holding, LLC
    Inventors: Joykumar S. Thokchom, Davorin Babic, Lonnie G. Johnson, Lazbourne Alanzo Allie, David Ketema Johnson, William Rauch
  • Patent number: 10326164
    Abstract: A solid electrolyte for a lithium battery includes Li3+xGexAs1-xS4 where x=0 to 0.50. The value of x can be a range of any high value and any lower value from 0 to 0.50. For example, x can be 0.25 to 0.50, and x can be 0.3 to 0.4, among many other possible ranges. In one embodiment x=0.33 such that the solid electrolyte is Li3.334Ge0.334As0.666S4. A solid electrolyte for a lithium battery can include LiAsS4 wherein ½ to ? of the As is substituted with Ge. A lithium battery and a method for making a lithium battery are also disclosed.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: June 18, 2019
    Assignee: UT-BATTELLE, LLC
    Inventors: Chengdu Liang, Nancy J. Dudney, Ezhiylmurugan Rangasamy, Gayatri Sahu
  • Patent number: 10326162
    Abstract: A composite solid electrolyte, including: a lithium ion conductor, and a coating layer on the lithium ion conductor, the coating layer including a silane compound represented by Formula 1: (—O)y—Si—(R1)x??Formula 1 wherein, in Formula 1, 1?x?3; 1?y?3; x+y=4; R1 is hydrogen, a halogen, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C2-C30 alkenyl group, a substituted or unsubstituted C2-C30 alkynyl group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 aryloxy group, a substituted or unsubstituted C7-C30 arylalkyl group, a substituted or unsubstituted C2-C30 heteroaryl group, a substituted or unsubstituted C2-C30 heteroaryloxy group, a substituted or unsubstituted C3-C30 heteroarylalkyl group, a substituted or unsubstituted C4-C30 carbocyclic group, a substituted or unsubstituted C5-C30 carbocyclic alkyl group, a substituted or unsubstituted C2-C30 heterocyclic group, or a substituted or unsubstituted C2-C30 heterocyclic alkyl group
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: June 18, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wonsung Choi, Mokwon Kim, Sangbok Ma, Kyounghwan Choi, Myungjin Lee
  • Patent number: 10319985
    Abstract: There are provided a lithium-containing garnet crystal high in density and ionic conductivity, and an all-solid-state lithium ion secondary battery using the lithium-containing garnet crystal. The lithium-containing garnet crystal has a chemical composition represented by Li7-xLa3Zr2-xTaxO12 (0.2?x?1), and has a relative density of 99% or higher, belongs to a cubic system, and has a garnet-related structure. The lithium-containing garnet crystal has a lithium ion conductivity of 1.0×10?3 S/cm or higher. Further, this solid electrolyte material has a lattice constant a of 1.28 nm?a?1.30 nm, and lithium ions occupy 96h-sites in the crystal structure. The all-solid-state lithium ion secondary battery has a positive electrode, a negative electrode and a solid electrolyte, and the solid electrolyte is constituted of the lithium-containing garnet crystal according to the present invention.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: June 11, 2019
    Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Kunimitsu Kataoka, Junji Akimoto
  • Patent number: 10320029
    Abstract: All-solid-state lithium-sulfur electrochemical cells and production methods thereof are described. The Li—S electrochemical cells comprise at least one multilayer component which comprises an ion-conductive solid electrolyte film, a positive electrode film containing a sulfur composite, and a negative electrode film containing lithium. Positive electrodes films, prefabricated electrolyte-positive electrode elements, their uses as well as methods of their production are also described.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: June 11, 2019
    Assignee: HYDRO-QUÉBEC
    Inventors: Karim Zaghib, Chisu Kim, Abdelbast Guerfi, Francis Barray, Catherine Gagnon, Julie Trottier
  • Patent number: 10305140
    Abstract: An object of the present invention is to provide a sulfide solid electrolyte material having satisfactory ion conductivity. In the present invention, the above object is solved by providing a sulfide solid electrolyte material comprising a Li element, a Si element, a P element, a S element, and an X element (in which X represents at least one of F, Cl, Br and I), the sulfide solid electrolyte material having a crystal phase B having a peak at the position of 2?=30.12°±1.00° measured by X-ray diffractometry using CuK? ray.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: May 28, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuki Kato, Takamasa Ohtomo
  • Patent number: 10297864
    Abstract: A composite electrolyte including a polymeric ionic liquid; and an oligomeric electrolyte, wherein the oligomeric electrolyte includes an oligomer.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: May 21, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jusik Kim, Jenam Lee, Soyeon Kim, Hyunseok Kim, Joungwon Park, Seoksoo Lee, Hyorang Kang
  • Patent number: 10297874
    Abstract: A method of manufacturing an all-solid-state battery includes a lamination step of laminating a deactivated lithium-containing negative electrode active material layer containing deactivated lithium, a solid electrolyte layer for the all-solid-state battery, and a positive electrode active material layer for the all-solid-state battery such that the solid electrolyte layer for the all-solid-state battery is disposed between the deactivated lithium-containing negative electrode active material layer and the positive electrode active material layer for the all-solid-state battery.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: May 21, 2019
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Keisuke Omori, Hajime Hasegawa, Kengo Haga, Mitsutoshi Otaki, Norihiro Ose, Daichi Kosaka, Masato Hozumi
  • Patent number: 10280109
    Abstract: A method for producing sulfide glass wherein phosphorus sulfide satisfying the following formula (1) is used as a raw material: 100×A/B?37??(1) wherein in the formula, A is peak areas of peaks that appear at peak positions in a range of 57.2 ppm or more and 58.3 ppm or less, and 63.0 ppm or more and 64.5 ppm or less in 31PNMR spectroscopy, and B is the total of peak areas of all peaks measured in 31PNMR spectroscopy.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: May 7, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Akiko Nakata, Junpei Maruyama
  • Patent number: 10269507
    Abstract: A hybrid supercapacitor, including at least one negative electrode that includes a statically capacitive active material, an electrochemical redox active material, or a mixture thereof, at least one positive electrode that includes a statically capacitive active material, an electrochemical redox active material, or a mixture thereof, at least one separator that is situated between the at least one negative electrode and the at least one positive electrode, and an electrolyte composition, with the condition that at least one electrode includes a statically capacitive active material, and at least one electrode includes an electrochemical redox active material, the electrolyte composition being a liquid electrolyte composition and including at least one liquid, aprotic, organic solvent, at least one conducting salt, and at least one additive.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: April 23, 2019
    Assignee: Robert Bosch GmbH
    Inventors: Elisabeth Buehler, Mathias Widmaier, Severin Hahn, Thomas Eckl
  • Patent number: 10243209
    Abstract: An active material composite particle is capable of suppressing a reaction with a sulfide solid electrolyte material at high temperature. The active material composite particle may include an oxide active material of rock salt bed type and a coat layer containing lithium niobate formed on a surface of the oxide active material, wherein a thickness of the coat layer is in the range of 25 nm to 94 nm.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: March 26, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Nariaki Miki, Yuki Matsushita, Kouichi Sugiura
  • Patent number: 10236549
    Abstract: A lithium air battery includes: a composite cathode including a porous material and a first electrolyte; an anode including lithium metal, and an oxygen blocking layer disposed between the composite cathode and the anode, wherein a weight ratio of the porous material and the first electrolyte in the composite cathode is less than about 1:3. Also a method of manufacturing the lithium air battery.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: March 19, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Taeyoung Kim, Hyukjae Kwon, Kihyun Kim, Dongjoon Lee, Hyunpyo Lee, Heungchan Lee, Dongmin Im
  • Patent number: 10236504
    Abstract: Achieved is a nickel-cobalt-manganese composite hydroxide which is excellent in reactivity with a lithium compound, and able to achieve a positive electrode active material which has excellent thermal stability and battery characteristics. The nickel-cobalt-manganese composite hydroxide is intended to serve as a precursor for a positive electrode active material of a non-aqueous electrolyte secondary battery, and represented by a general formula: Ni1-x-y-zCoxMnyMz(OH)2 (0<x??, 0<y??, 0?z?0.1, M represents one or more elements selected from Mg, Al, Ca, Ti, V, Cr, Zr, Nb, Mo, and W), and the nickel-cobalt-manganese composite hydroxide has a specific surface area of 3.0 to 11.0 m2/g as measured by a BET method through nitrogen adsorption, and an average valence of 2.4 or more for Co and Mn as obtained by redox titration.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: March 19, 2019
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Yasutaka Kamata, Hiroyuki Toya
  • Patent number: 10211495
    Abstract: Disclosed is a hybrid electrochemical cell with a first conductor having at least one portion that is both a first capacitor electrode and a first battery electrode. The hybrid electrochemical cell further includes a second conductor having at least one portion that is a second capacitor electrode and at least one other portion that is a second battery electrode. An electrolyte is in contact with both the first conductor and the second conductor. In some embodiments, the hybrid electrochemical cell further includes a separator between the first conductor and the second conductor to prevent physical contact between the first conductor and the second conductor, while facilitating ion transport between the first conductor and the second conductor.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: February 19, 2019
    Assignee: The Regents of the University of California
    Inventors: Maher F. El-Kady, Richard B. Kaner
  • Patent number: 10186730
    Abstract: An electrolyte for a secondary battery, the electrolyte including: an organic solvent; and a lithium ion conductive solid electrolyte represented by the formula LiaPbSc wherein 3<a<5, 1<b<3, and 6<c<8, and wherein at least a portion of the solid electrolyte is dissolved in the organic solvent.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: January 22, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ryo Omoda, Yuichi Aihara, Seitaro Ito, Takanobu Yamada
  • Patent number: 10173921
    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: Grant
    Filed: August 27, 2014
    Date of Patent: January 8, 2019
    Assignee: Corning Incorporated
    Inventors: Bruce Gardiner Aitken, Nadja Teresia Lonnroth
  • Patent number: 10135084
    Abstract: A solid ion conductor including a garnet oxide represented by Formula 1: L5+xE3(Mez,M2-z)Od??Formula 1 wherein L includes Li and is at least one of a monovalent cation and a divalent cation; E is a trivalent cation; Me and M are each independently one of a trivalent, tetravalent, pentavalent, and hexavalent cation; 0<x?3, 0?z<2, and 0<d?12; and O is partially or totally substituted with at least one of a pentavalent anion, a hexavalent anion, and a heptavalent anion.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: November 20, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-myung Lee, Tae-young Kim, Young-sin Park, Seung-wook Baek
  • Patent number: 10135091
    Abstract: A lithium secondary battery (solid electrolyte battery) includes a positive electrode which includes a positive electrode active material layer containing lithium oxide, a negative electrode which includes a negative electrode active material layer, a first solid electrolyte layer which is provided in contact with the positive electrode active material layer between the positive electrode and the negative electrode and contains lithium and oxygen, and a second solid electrolyte layer which is provided in contact with the negative electrode active material layer between the positive electrode and the negative electrode and contains lithium, nitrogen, and oxygen. It is preferred that each of the first solid electrolyte layer and the second solid electrolyte layer further contains boron.
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: November 20, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Yasushi Yamazaki
  • Patent number: 10128532
    Abstract: Sulfide solid electrolyte material with favorable ion conductivity, wherein charge and discharge efficiency is inhibited from decreasing. Solves problem by providing a sulfide solid electrolyte material including a Li element, Si element, P element, S element and O element, having peak at position of 2?=29.58°±0.50° in X-ray diffraction measurement using CuK? ray, wherein sulfide solid electrolyte material does not have peak at position of 2?=27.33°±0.50° in X-ray diffraction measurement using CuK? ray, or in case of having peak at position of 2?=27.33°±0.50°, value of IB/IA is 1 or less when diffraction intensity at peak of 2?=29.58°±0.50° is regarded as IA and diffraction intensity at peak of 2?=27.33°±0.50° is regarded as IB; and wherein molar fraction of O element to total of S element and O element is larger than 0.2.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: November 13, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuki Kato, Mayuko Osaki
  • Patent number: 10096818
    Abstract: An electrode complex includes: a complex which includes a porous active material molded body which is formed by being three-dimensionally connected with a plurality of particulate active material particles containing a lithium double oxide and a plurality of particulate noble metal particles containing a noble metal with a melting point of 1000° C. or higher and includes a communication hole, and a solid electrolyte layer formed on the surface of the active material molded body containing the communication hole of the active material molded body; and a current collector which is provided by being bonded to the active material molded body on one surface of the complex.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: October 9, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tsutomu Teraoka, Tomofumi Yokoyama
  • Patent number: 10084168
    Abstract: Embodiments of solid-state batteries, battery components, and related construction methods are described. The components include one or more embodiments of a low melt temperature electrolyte bonded solid-state rechargeable battery electrode and one or more embodiments of a composite separator having a low melt temperature electrolyte component. Embodiments of methods for fabrication of solid-state batteries and battery components are described. These methods include co-extrusion, hot pressing and roll casting.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: September 25, 2018
    Assignee: JOHNSON BATTERY TECHNOLOGIES, INC.
    Inventors: Lonnie G. Johnson, David Ketema Johnson
  • Patent number: 10074871
    Abstract: A method for preparing a lithium ion conductive sulfide, which is capable of independently controlling the elemental ratio of lithium (Li), phosphorus (P), sulfur (S), etc, is provided. The method for preparing a lithium ion conductive sulfide can provide a lithium ion conductive sulfide having a crystal structure and an anion cluster distribution distinguished from those of existing ones.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: September 11, 2018
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyoung Chul Kim, Hun Gi Jung, Jong Ho Lee, Hae Weon Lee, Byung Kook Kim, Ji Won Son, Wo Dum Jung
  • Patent number: 10056607
    Abstract: Provided is an active material composite particle with which the reaction resistance of a battery can be reduced. The active material composite particle includes an active material and a lithium niobate layer formed on a surface of the active material, wherein the lithium niobate layer includes nitrogen.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: August 21, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Nariaki Miki
  • Patent number: 10050268
    Abstract: A composite positive active material includes a composite, the composite including: a first metal oxide having a layered crystal structure; and a second metal oxide having a rocksalt crystal structure, wherein the composite includes at least one doping element selected from Group 1 and Group 2 of the Periodic Table wherein the doping element is not Li.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: August 14, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Byungjin Choi, Andrei Kapylou, Donghan Kim, Jinhwan Park, Jayhyok Song, Sungjin Ahn, Donghee Yeon, Byongyong Yu
  • Patent number: 10038215
    Abstract: A main object of the present invention is to provide a method for producing sulfide solid electrolytes, by which sulfide solid electrolytes whose productivity, recovery rate, and ionic conductivity are improved can be produced. The method of the present invention includes the steps of: pulverizing a mixture that is obtained by mixing a sulfide solid electrolyte containing sulfides and a single type of halides or a raw material thereof, an ether compound, and a solvent to obtain a pulverized product; and carrying out heating treatment wherein the obtained pulverized product is heated to obtain a crystallized sulfide solid electrolyte, wherein formulas “0.44?C/(A+B+C)?0.70” and “0.10?B/(A+B+C)?0.36” are satisfied, where “A [g]” denotes a weight of the sulfide solid electrolyte or the raw material thereof, “B [g]” denotes a weight of the ether compound, and “C [g]” denotes a weight of the solvent.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: July 31, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koichi Sugiura, Miwako Ohashi, Masako Nita
  • Patent number: 9991556
    Abstract: A garnet-type Li-ion conductive oxide contains Li, La, Zr, and oxygen and contains at least one type of element among elements represented by M1, M2, M3, and M4. M1, M2, M3, and M4 are as follows: M1: One or more types of elements selected from the group consisting of Mg, Ca, Sr, Ba, and Zn; M2: One or more types of elements selected from the group consisting of Al, Ga, Co, Fe, and Y; M3: One or more types of elements selected from the group consisting of Sn and Ge; and M4: One or more types of elements selected from the group consisting of Ta and Nb.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: June 5, 2018
    Assignee: TDK CORPORATION
    Inventors: Teiichi Tanaka, Takeo Tsukada, Taisuke Masuko
  • Patent number: 9991554
    Abstract: A method for producing sulfide-based glass ceramics including crystallizing a glass solid electrolyte, wherein the glass solid electrolyte includes: sulfide-based glass comprising at least a sulfur element and a lithium element; and a nitrile compound incorporated into the sulfide-based glass.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: June 5, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryo Aburatani, Tadanori Junke
  • Patent number: 9972826
    Abstract: A main object of the present invention is to provide a method for producing a cathode active material for a solid state battery, which is capable of reducing resistance. The present invention solves the problem by providing a method for producing a cathode active material for a solid state battery comprising steps of: a coating step of coating a coating material represented by LixPOy (2?x?4, 3?y?5) on a surface of a cathode active material containing an Ni element and being an oxide by using a sputtering method; and a heat-treating step of forming a coating portion in such a manner that the cathode active material coated with the coating material is heat-treated within a range of 400° C. to 650° C. to diffuse the Ni element into the coating material.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: May 15, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masatsugu Kawakami, Takamasa Ohtomo, Yuki Kato, Hisatsugu Yamasaki
  • Patent number: 9929571
    Abstract: An integrated battery control system for energy storage incorporates a power control system to reliably provide power to a load and protects lithium ion batteries from over-charging and over-discharging. One or more power sources, such as renewable power sources, such as solar or wind power generators, or a generator, may be coupled with the integrated battery control system to provide power for charging the battery pack and/or for supplying power to said load. A portion of the power from a power source may be used to charge the battery pack and a portion may be provided to a load. A control circuit and one or more microprocessors may control the components of the system to provide power in an efficient manner. Power to and from the battery may run through an inverter and a control system may open and close switches to control flow of power in the system.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: March 27, 2018
    Assignee: Elite Power Solutions LLC
    Inventors: Yuan Dao, William Jeffrey Schlanger
  • Patent number: 9917299
    Abstract: Highly porous synergistic combinations of silicon and carbon materials are provided, along with articles that incorporate such materials and processes for producing the materials. The compositions have novel properties and provide significant improvements in Coulombic efficiency, dilithiation capacity, and cycle life when used as anode materials in lithium battery cells including solid state batteries.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: March 13, 2018
    Assignee: CORNING INCORPORATED
    Inventors: Francis Martin Behan, Indrajit Dutta, Shawn Michael O'Malley, Vitor Marino Schneider
  • Patent number: 9882234
    Abstract: An all-solid battery having stacked therein, in order, a positive electrode laminate, an intermediate solid electrolyte layer, and a negative electrode laminate is manufactured by a first pressing step (i) of applying pressure to the positive electrode laminate, a second pressing step (ii) of applying pressure to the negative electrode laminate, and a third pressing step (iii) of applying pressure to the positive electrode laminate, the intermediate solid electrolyte layer, and the negative electrode laminate.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: January 30, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daichi Kosaka, Norihiro Ose, Kengo Haga, Tomoya Suzuki, Hajime Hasegawa, Keisuke Omori
  • Patent number: 9853322
    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: Grant
    Filed: August 7, 2014
    Date of Patent: December 26, 2017
    Assignee: HITACHI, LTD.
    Inventors: Jun Kawaji, Takahiro Yamaki
  • Patent number: 9780408
    Abstract: A garnet-type Li-ion conductive oxide containing LixLa3Zr2O12 (6?x?8) contains Al and element T (T is one or more from Ni, Cu, Co, and Fe). The content of Al is, in terms of Al2O3, 2.5 mol %?Al2O3?15 mol % with respect to a total amount of LixLa3Zr2O12 contained in the garnet-type Li-ion conductive oxide. The content of element T is 25 mol %?T?100 mol % with respect to the total amount of LixLa3Zr2O12 contained in the garnet-type Li-ion conductive oxide.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: October 3, 2017
    Assignee: TDK CORPORATION
    Inventors: Taisuke Masuko, Teiichi Tanaka, Takeo Tsukada
  • Patent number: 9761905
    Abstract: A lithium ion-conducting compound, having a garnet-like crystal structure, and having the general formula: Lin[A(3-a?-a?)A?(a?)A?(a?)][B(2-b?-b?)B?(b?)B?(b?)][C?(c?)C?(c?)]O12, where A, A?, A? stand for a dodecahedral position of the crystal structure, where A stands for La, Y, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm and/or Yb, A? stands for Ca, Sr and/or Ba, A? stands for Na and/or K, 0<a?<2 and 0<a?<1, where B, B?, B? stand for an octahedral position of the crystal structure, where B stands for Zr, Hf and/or Sn, B? stands for Ta, Nb, Sb and/or Bi, B? stands for at least one element selected from the group including Te, W and Mo, 0<b?<2 and 0<b?<2, where C and C? stand for a tetrahedral position of the crystal structure, where C stands for Al and Ga, C? stands for Si and/or Ge, 0<c?<0.5 and 0<c?<0.4, and where n=7+a?+2·a??b??2·b??3·c??4·c? and 5.5<n<6.875.
    Type: Grant
    Filed: May 21, 2012
    Date of Patent: September 12, 2017
    Assignee: Robert Bosch GmbH
    Inventors: Ulrich Eisele, Thomas Koehler, Stefan Hinderberger, Boris Kozinsky, Alan Logeat
  • Patent number: 9761906
    Abstract: A main object of the present invention is to provide a method for manufacturing a sulfide solid electrolyte that enables a sulfide solid electrolyte whose ion-conducting characteristic is easy to be improved, to be manufactured. The present invention is a method for manufacturing a sulfide solid electrolyte including loading a raw material for manufacturing a sulfide solid electrolyte which is mainly composed of a substance represented by the general formula of (100?x)(0.75Li2S.0.25P2S5).xLiI (here, 0<x<100), into a vessel; and amorphizing the raw material after said loading, wherein a reaction site temperature in the vessel is controlled so that x included in the general formula and the reaction site temperature y [° C.] in the vessel in said amorphizing satisfy y<?2.00x+1.79×102.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: September 12, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takuo Yanagi, Takumi Tanaka, Shinichiro Kitsunai
  • Patent number: 9744874
    Abstract: An electric vehicle includes: a vehicle drive apparatus configured to receive electricity to generate vehicle drive power and to generate electricity; a secondary battery that selectively receives and outputs electricity from/to the vehicle drive apparatus; a current sensor that selectively detects (a) an electric current to be input into the secondary battery and (b) an electric current output from the secondary battery; and an electronic control unit configured to control charging and discharging of the secondary battery, and configured to calculate, using a detected value from the current sensor, an evaluation value indicating a degree of deterioration of the secondary battery due to non-uniformity in salt concentration in the secondary battery caused by charging and discharging of the secondary battery. The electronic control unit is configured to execute a capacity-raising control in which a remaining capacity of the secondary battery is raised when the evaluation value reaches a prescribed threshold.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: August 29, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroyuki Obata, Teruo Ishishita, Koichiro Muta, Hideki Kamatani
  • Patent number: 9748603
    Abstract: A sulfide solid electrolyte material includes Li, K, Si, P and S elements; a peak at 2?=29.58°±0.50° and not having a peak at a position of 2?=27.33°±0.50° in X-ray diffraction measurement using a CuK? ray, or when a diffraction intensity at the peak of 2?=29.58°±0.50° is regarded as IA and a diffraction intensity at the peak of 2?=27.33°±0.50° is regarded as IB having a peak at the position of 2?=27.33°±0.50°, a value of IB/IA is less than 1; a P element molar fraction (P/(Si+P)) to a Si element total and the P element satisfies 0.5?P/(Si+P)?0.7, and a K element molar fraction (K/(Li+K)) to a Li element total and the K element satisfies 0<K/(Li+K)?0.1.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: August 29, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hisatsugu Yamasaki, Yuki Kato, Takamasa Ohtomo, Masatsugu Kawakami
  • Patent number: 9738827
    Abstract: The present invention is directed to a method of preparing a carbon quantum dot. The carbon quantum dot can be prepared from a carbon precursor, such as a fullerene, and a complex metal hydride. The present invention also discloses a carbon quantum dot made by reacting a carbon precursor with a complex metal hydride and a polymer containing a carbon quantum dot made by reacting a carbon precursor with a complex metal hydride.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: August 22, 2017
    Assignee: Savannah River Nuclear Solutions, LLC
    Inventors: Ragaiy Zidan, Joseph A. Teprovich, Aaron L. Washington
  • Patent number: 9711825
    Abstract: A lithium ion secondary battery comprising a negative electrode comprising one or more types of carbon selected from the group consisting of natural graphite, artificial graphite, non-graphitizable carbon and easily graphitizable carbon; and an electrolyte solution comprising a cyclic sulfonic acid ester represented by the following formula (1): wherein in the formula (1), R1 and R2 are each independently a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, a halogen group or an amino group with the proviso that R1 and R2 are not hydrogen atoms at the same time; R3 represents a linkage group selected from the group consisting of an alkylene group having 1 to 5 carbon atoms, a carbonyl group, a sulfonyl group, a fluoroalkylene group having 1 to 6 carbon atoms, and a divalent group having 2 to 6 carbon atoms in which alkylene units or fluoroalkylene units are bonded through an ether group.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: July 18, 2017
    Assignee: NEC Corporation
    Inventors: Takeshi Azami, Noboru Yoshida, Ikiko Shimanuki
  • Patent number: 9685275
    Abstract: Provided is a method for manufacturing a power storage device in which a crystalline silicon layer including a whisker-like crystalline silicon region is formed as an active material layer over a current collector by a low-pressure CVD method in which heating is performed using a deposition gas containing silicon. The power storage device includes the current collector, a mixed layer formed over the current collector, and the crystalline silicon layer functioning as the active material layer formed over the mixed layer. The crystalline silicon layer includes a crystalline silicon region and a whisker-like crystalline silicon region including a plurality of protrusions which project over the crystalline silicon region. With the protrusions, the surface area of the crystalline silicon layer functioning as the active material layer can be increased.
    Type: Grant
    Filed: April 18, 2011
    Date of Patent: June 20, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kazutaka Kuriki, Mikio Yukawa, Yuji Asano
  • Patent number: 9653725
    Abstract: The lithium rechargeable battery of the present invention is provided with a current collector and an active material layer containing active material particles 10 supported on this current collector. The active material particles 10 are secondary particles 14 in which a plurality of primary particles 12 of a lithium transition metal oxide are aggregated, and have a hollow structure that contains a hollow section 16 formed inside the secondary particle 14 and a shell section 15 that surrounds the hollow section 16. A through hole 18 that penetrates from the outside to the hollow section 16 is formed in the secondary particle 14. The ratio (A/B) in a powder x-ray diffraction pattern of the active material particles 10, where A is the full width at half maximum of the diffraction peak obtained for the (003) plane and B is the full width at half maximum of the diffraction peak obtained for the (104) plane, satisfies the equation (A/B)?0.7.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: May 16, 2017
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hiroki Nagai, Yutaka Oyama
  • Patent number: 9640837
    Abstract: The present invention is to provide a method for producing such a sulfide solid electrolyte that it has high lithium ion conductivity and the total amount of heat generated by the reaction with the charged anode material that proceeds at around 315° C., is reduced. Disclosed is a method for producing a sulfide solid electrolyte, wherein the method includes: a first step of preparing Li3PS4 having a ? structure, and a second step in which a second step mixture that contains the Li3PS4 having the ? structure obtained in the first step and LiX (where X is halogen) is non-crystallized, and the non-crystallized second step mixture is heated in a temperature range of more than 150° C. and less than 190° C.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: May 2, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Takayoshi Doi
  • Patent number: 9634354
    Abstract: The present invention provides an energy storage device comprising a cathode region or other element. The device has a major active region comprising a plurality of first active regions spatially disposed within the cathode region. The major active region expands or contracts from a first volume to a second volume during a period of a charge and discharge. The device has a catholyte material spatially confined within a spatial region of the cathode region and spatially disposed within spatial regions not occupied by the first active regions. The device has a protective material formed overlying exposed regions of the cathode material to substantially maintain the sulfur species within the catholyte material. Also included is a novel dopant configuration of the LiaMPbSc (LMPS) [M=Si, Ge, and/or Sn] containing material.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: April 25, 2017
    Assignee: QuantumScape Corporation
    Inventors: Cheng Chieh Chao, Zhebo Chen, Tim Holme, Marie A. Mayer, Gilbert N. Riley, Jr.