Patents Examined by Alexander Usyatinsky
  • Patent number: 10411290
    Abstract: Li-ion batteries are provided that include a cathode, an anode comprising active particles, an electrolyte ionically coupling the anode and the cathode, a separator electrically separating the anode and the cathode, and at least one hydrofluoric acid neutralizing agent incorporated into the anode or the separator. Li-ion batteries are also provided that include a cathode, an anode comprising active particles, an electrolyte ionically coupling the anode and the cathode, and a separator electrically separating the anode and the cathode, where the electrolyte may be formed from a mixture of an imide salt and at least one salt selected from the group consisting of LiPF6, LiBF4, and LiClO4. Li-ion battery anodes are also provided that include an active material core and a protective coating at least partially encasing the active material core, where the protective coating comprises a material that is resistant to hydrofluoric acid permeation.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: September 10, 2019
    Assignees: Sila Nanotechnologies, Inc., Georgia Tech Research Corporation
    Inventors: Gleb Nikolayevich Yushin, Bogdan Zdyrko, Kara Evanoff
  • Patent number: 10403919
    Abstract: An iron redox flow battery system, comprising a redox electrode, a plating electrolyte tank, a plating electrode, a redox electrolyte tank with additional acid additives that may be introduced into the electrolytes in response to electrolyte pH. The acid additives may act to suppress undesired chemical reactions that create losses within the battery and may be added in response to sensor indications of these reactions.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: September 3, 2019
    Assignee: ESS Tech, Inc.
    Inventors: Craig E. Evans, Yang Song
  • Patent number: 10388937
    Abstract: A battery bushing for rechargeable batteries has mounting and contacting sections and a torque ring between these sections. The torque ring or the outer surface can be endowed with several indentations. The mounting section is configured to hold the battery bushing within a battery cover, into which it is preferably injection molded. The battery bushing is a hollow body with outer and inner walls. At the contacting section, the outer wall is conically shaped. At the mounting section, the outer wall has at least one circumferential projection forming a labyrinth. The inner wall comprises at least an upper section, approximately surrounded by the contacting section and preferably having a conical shape, and a lower section approximately surrounded by the mounting section. The lower section preferably has (in a lateral sectional view) a concave shape. Between the upper and lower sections, there may be an edge or a step.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: August 20, 2019
    Assignee: WEGMANN AUTOMOTIVE GMBH & CO. KG
    Inventor: Andreas Heid
  • Patent number: 10374239
    Abstract: The present invention provides an aqueous redox flow battery comprising a negative electrode immersed in an aqueous liquid negative electrolyte, a positive electrode immersed in an aqueous liquid positive electrolyte, and a cation-permeable separator (e.g., a porous membrane, film, sheet, or panel) between the negative electrolyte from the positive electrolyte. During charging and discharging, the electrolytes are circulated over their respective electrodes. The electrolytes each comprise an electrolyte salt (e.g., a lithium or sodium salt), a redox reactant. The negative redox reactant comprises a pyridinium compound of Formula (I) as described in the specification.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: August 6, 2019
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Zhengcheng Zhang, Jinhua Huang, Kevin Gallagher
  • Patent number: 10374243
    Abstract: Provided is a porous current collector which is used for a fuel electrode and has a high gas reforming function and high durability. A porous current collector 9 is provided adjacent to a fuel electrode 4 of a fuel cell 101 that includes a solid electrolyte layer 2, the fuel electrode 4 disposed on one side of the solid electrolyte layer, and an air electrode 3 disposed on the other side. The porous current collector includes a porous metal body 1 and a first catalyst 20. The porous metal body has an alloy layer 12a at least on a surface thereof, the alloy layer containing nickel (Ni) and tin (Sn). The first catalyst, which is in the form of particles, is supported on a surface of the alloy layer, the surface facing pores of the porous metal body, and is capable of processing a carbon component contained in a fuel gas that flows inside the pores.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: August 6, 2019
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takahiro Higashino, Masatoshi Majima, Hiromasa Tawarayama, Naho Mizuhara, Kazuki Okuno, Chihiro Hiraiwa, Yohei Noda, Masahiro Kato
  • Patent number: 10367181
    Abstract: A separator includes a separation functional layer and a support layer. The separation functional layer is configured as a denser layer with a smaller pore size and a lower porosity than the support layer. Accordingly, movement of metal foreign objects from the positive electrode plate side to the negative electrode plate side, and precipitation of metal foreign objects on the negative electrode plate side can be inhibited, thereby making it possible to ensure battery performance and safety.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: July 30, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Yoshinori Shishida, Kenji Date, Takao Kuromiya
  • Patent number: 10361430
    Abstract: According to one embodiment, an active material is provided. This active material includes active material particles each allowing lithium to be inserted thereinto and extracted therefrom in the range of 0.5 V to 2V (vs. Li+/Li), and carbon material layers at least partially coating the active material particles. The active material has a BET specific surface area S of 2 m2/g to 20 m2/g in accordance with a nitrogen adsorption method. Between the BET specific surface area S and the proportion M (mass %) of the mass of the carbon material layers to the total mass of the active material particles and carbon material layers, the ratio of S/M (m2/g) meets 0.5?S/M?5.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: July 23, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuki Ise, Yasuhiro Harada, Norio Takami
  • Patent number: 10361037
    Abstract: An energy storage apparatus includes: an energy storage device; an outer covering; an end plate which is disposed on a side of the energy storage device and is fixed to the outer covering; and a binding member which is mounted on the end plate and applies a binding force to the energy storage device. The end plate includes a first region on which the binding member is mounted, a second region which is fixed to the outer covering, and a third region which differs from the first region and the second region and has higher rigidity than the first region and the second region.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: July 23, 2019
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventor: Masamitsu Tononishi
  • Patent number: 10347876
    Abstract: A packaging material for batteries, which is not susceptible to the formation of a pinhole or cracking during the forming, while having excellent formability, and is effectively suppressed in curling after the forming, which is formed of a laminate with at least a base layer, an adhesive layer, a metal layer and a thermally fusible resin layer in this order, and wherein: the tensile modulus of elasticity of the base layer in one direction and the tensile modulus of elasticity of the base layer in a perpendicular direction in the same plane are both within the range of from 400 N/15 mm to 1,000 N/15 mm (inclusive); and the absolute value of the difference between the tensile modulus of elasticity of the base layer in the one direction and the tensile modulus of elasticity of the base layer in the other is 150 N/15 mm or less.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: July 9, 2019
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventor: Atsuko Takahagi
  • Patent number: 10343527
    Abstract: Between an anode active material layer and a separator, a recess impregnation region of an anode side in which electrolytes and solid particles are disposed and including a recess that is located between adjacent anode active material particles positioned on the outermost surface of the anode active material layer is formed. Between a cathode active material layer and a separator, a recess impregnation region of a cathode side in which electrolytes and solid particles are disposed and including a recess that is located between adjacent cathode active material particles positioned on the outermost surface of the cathode active material layer is formed. The solid particles in the recess impregnation regions of the cathode side and the anode side have a concentration that is 30 volume % or more.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: July 9, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Kazuhito Hatta, Nobuaki Shimosaka, Masaki Machida, Manabu Aoki, Masahiro Miyamoto
  • Patent number: 10340527
    Abstract: A lithium-ion secondary battery that includes a positive electrode including a sulfur-based positive active material containing at least sulfur and a negative electrode including a silicon-based negative active material containing at least silicon or a tin-based negative active material containing tin, in which lithium ions are easily implanted and moved. A positive electrode includes a positive current collector and a sulfur-based positive active material containing at least sulfur (S). A negative electrode includes a negative current collector and a silicon-based negative active material containing at least silicon (Si) or a tin-based negative active material containing tin (Sn). The positive current collector is made of an aluminum foil having a plurality of through holes. The negative current collector is made of a copper foil having a plurality of through holes. The positive electrode and the negative electrode are stacked via a separator to form an electrode group.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: July 2, 2019
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Yoshiki Hama, Masaaki Sekiya
  • Patent number: 10333172
    Abstract: A non-aqueous liquid electrolyte secondary battery using negative-electrode active material having Si, Sn and/or Pb, with high charge-capacity, superior characteristics including discharge-capacity retention rate over long is provided. The non-aqueous liquid electrolyte of the battery contains carbonate having unsaturated bond and/or halogen and and an anhydride compound.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: June 25, 2019
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Takashi Fujii, Noriko Shima, Youichi Ohashi, Shinichi Kinoshita
  • Patent number: 10326168
    Abstract: A surface-enabled, metal ion-exchanging battery device comprising a cathode, an anode, a porous separator, and a metal ion-containing electrolyte, wherein the metal ion is selected from (A) non-Li alkali metals; (B) alkaline-earth metals; (C) transition metals; (D) other metals such as aluminum (Al); or (E) a combination thereof; and wherein at least one of the electrodes contains therein a metal ion source prior to the first charge or discharge cycle of the device and at least the cathode comprises a functional material or nano-structured material having a metal ion-capturing functional group or metal ion-storing surface in direct contact with said electrolyte, and wherein the operation of the battery device does not involve the introduction of oxygen from outside the device and does not involve the formation of a metal oxide, metal sulfide, metal selenide, metal telluride, metal hydroxide, or metal-halogen compound.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: June 18, 2019
    Assignee: Nanotek Instruments, Inc.
    Inventors: Aruna Zhamu, Bor Z Jang
  • Patent number: 10326149
    Abstract: The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: June 18, 2019
    Assignee: LG FUEL CELL SYSTEMS INC.
    Inventors: Richard Goettler, Zhien Liu
  • Patent number: 10305099
    Abstract: Provided is an electrode alloy powder that is useful to obtain a nickel-metal hydride storage battery having a high battery capacity and a reduced self-discharge. The alloy powder is: a mixture including particles of a first hydrogen storage alloy having an AB5-type crystal structure, and particles of at least one second hydrogen storage alloy selected from the group consisting of a hydrogen storage alloy a having an AB2-type crystal structure and a hydrogen storage alloy b having an AB3-type crystal structure, wherein an amount of the first hydrogen storage alloy included in the mixture is greater than 50 mass %.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: May 28, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hideaki Ohyama, Akiko Okabe, Fumio Kato
  • Patent number: 10290901
    Abstract: A non-aqueous liquid electrolyte secondary battery using negative-electrode active material having Si, Sn and/or Pb, with high charge-capacity, superior characteristics including discharge-capacity retention rate over long is provided. The non-aqueous liquid electrolyte of the battery contains carbonate having unsaturated bond and/or halogen and and an anhydride compound.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: May 14, 2019
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Takashi Fujii, Noriko Shima, Youichi Ohashi, Shinichi Kinoshita
  • Patent number: 10276874
    Abstract: A flow cell battery includes at least one anode compartment and at least one cathode compartment, with a separator membrane disposed between each anode compartment and each cathode compartment. Each anode compartment and cathode compartment includes a bipolar plate, a fluid electrolyte, and at least a carbon nanomaterial on the surface of the bipolar plate, wherein the fluid electrolyte flows around the carbon nanomaterial.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: April 30, 2019
    Assignee: Lockheed Martin Corporation
    Inventors: Steven L. Sinsabaugh, Gregory Pensero, Han Liu, Lawrence P. Hetzel
  • Patent number: 10270129
    Abstract: A rechargeable battery is designed with cells having a specific combination of anode, cathode, and electrolyte compositions to maintain long cycle life at extreme high temperatures and deliver high power at extreme low temperatures. These properties can significantly reduce or altogether eliminate the need for thermal management circuitry, reducing weight and cost. Applications in telecommunications backup, transportation, and military defense are contemplated.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: April 23, 2019
    Assignee: A123 Systems LLC
    Inventor: Jeong Ju Cho
  • Patent number: 10263301
    Abstract: A heat exchanger for thermal management of battery units made-up of plurality of battery cells or battery cell containers is disclosed. The heat exchanger has a main body portion defining at least one primary heat transfer surface for surface-to-surface contact with a corresponding surface of at least one of the battery cells or containers. A plurality of alternating first and second fluid flow passages are formed within the main body portion each defining a flow direction, the flow direction through the first fluid flow passages being generally opposite to the flow direction through the second fluid flow passages providing a counter-flow heat exchanger. In some embodiments the heat exchanger has a two pairs of inlet and outlet manifolds, the heat exchanger providing a single-pass, counter-flow arrangement. In other embodiments the first and second fluid flow passages are interconnected by turn portions forming a U-flow, counter-flow heat exchanger.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: April 16, 2019
    Assignee: Dana Canada Corporation
    Inventors: Benjamin A. Kenney, Andrew J. M. Buckrell, Colin A. Shore, Doug Vanderwees, Kenneth M. A. Abels
  • Patent number: 10263226
    Abstract: A battery cell configured to have a structure in which an electrode assembly, including a positive electrode, a negative electrode, and a separator interposed therebetween, is mounted in a battery case, the electrode assembly including two or more unit cells having different planar sizes, the unit cells being stacked in the height direction on the basis of a plane, at least one first unit cell selected from among the unit cells has an asymmetric structure formed on at least one side of the outer edge thereof on the basis of a middle axis crossing a main body of the first unit cell when viewed from above, and at least one second unit cell selected from among the unit cells has an indented portion indented from at least one side of the second unit cell toward the middle of the second unit cell.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: April 16, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Park, Hyung Ku Yun, In Gu An, Eun Seok Choi, Jin Woo Choi, Yoo Jin An