Patents Examined by Amanda J Barrow
  • Patent number: 10862124
    Abstract: The present invention relates to a conducting material composition which is allowed to provide an electrode having a higher content of uniformly dispersed carbon nanotubes, thereby providing a lithium rechargeable batteryelectrode having more improved electrical characteristics and life characteristics, a slurry composition for forming a lithium rechargeable batteryelectrode using the same, and a lithium rechargeable battery. The conducting material composition includes carbon nanotube; and a dispersing agent including a plurality of polyaromatic hydrocarbon oxides, in which the dispersing agent contains the polyaromatic hydrocarbon oxides having a molecular weight of 300 to 1000 in an amount of 60% by weight or more.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: December 8, 2020
    Inventors: Kwon Nam Sohn, Kil Sun Lee, Won Jong Kwon, Byung Hun Oh, Su Jin Park, In Young Kim
  • Patent number: 10854904
    Abstract: Disclosed are a polymer electrolyte membrane, a method for manufacturing the same and a membrane-electrode assembly comprising the same, the polymer electrolyte membrane includes a hydrocarbon-containing ion conductive layer; and a fluorine-containing ion conductor discontinuously dispersed on the hydrocarbon-containing ion conductive layer.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: December 1, 2020
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Moo Seok Lee, Yong Cheol Shin, Na Young Kim, Dong Hoon Lee
  • Patent number: 10826112
    Abstract: A negative electrode active material includes a carbon material; a plurality of first particles including a first silicon oxide particle and a carbon layer and a plurality of second particles including a carbon particle and a second silicon oxide particle, and when a first mass of the first silicon oxide particle per gram of the negative electrode active material is referred to as M1 gram, and a second mass of the second silicon oxide particle per gram of the negative electrode active material is referred to as M2 grams, 0.40?M1/(M1+M2)?0.85 is satisfied, and when a first discharge capacity associated with the carbon material and the carbon particle is referred to as CpC, and a second discharge capacity associated with the first silicon oxide particle and the second silicon oxide particle is referred to as CpSO, 0.15?CpSO/(CpC+CpSO)?0.5 is satisfied.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: November 3, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Tadashi Matsushita, Masaki Kuratsuka
  • Patent number: 10818441
    Abstract: An energy storage device can have a first graphite film, a second graphite film and an electrode divider ring between the first graphite film and the second graphite film, forming a sealed enclosure. The energy storage device may be compatible with an aqueous electrolyte or a non-aqueous electrolyte. A method of forming an energy storage device can include providing an electrode divider ring, a first graphite film and a second graphite film. The method can include pressing a first edge of the electrode divider ring into a surface of the first graphite film, and pressing a second opposing edge of the electrode divider ring into a surface of the second graphite film to form a sealed enclosure. The sealed enclosure may have as opposing surfaces the surface of the first graphite film and the surface of the second graphite film.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: October 27, 2020
    Assignee: Maxwell Technologies, Inc.
    Inventors: Porter Mitchell, Thomas J. Dougherty
  • Patent number: 10811670
    Abstract: A method for manufacturing an electrode for a lithium secondary battery having reinforced safety is provided. In some embodiments, the method includes spraying a first mixture on a surface of an active material layer to form an insulating layer, wherein the insulating layer is a porous film and consists of a polymer or consists of the polymer and a first binder material, spraying a second mixture on the insulating layer to form a safety reinforcing layer, wherein the safety reinforcing layer consists of the second binder material and the inorganic oxide, and spraying a third mixture comprising microfilaments and a third binder material on the safety reinforcing layer to form an impregnation property improving layer, wherein a weight ratio of the microfilaments to the third binder material ranges from 10:90 to 30:70, and wherein the microfilaments have diameters of 0.1 to 10 ?m and lengths of 50 to 500 ?m.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: October 20, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Oh Byong Chae, Su Min Lee, Eun Kyung Kim, Sun Young Shin
  • Patent number: 10804505
    Abstract: A battery pack includes a cell group, a bus bar and a terminal member. The cell group includes a plurality of unit cells stacked in a thickness direction. Each of the unit cells includes a battery main body having a power generation element and a flat shape, and an electrode tab protruding out from the battery main body and arranged along a stacking direction. The bus bar is joined to the electrode tabs and electrically connects the electrode tabs. The terminal member is joined to the bus bar to transfer input and output of electric power in the cell group. The terminal member is joined to the bus bar at a terminal joining position that is spaced away from a joining position between the bus bar and the electrode tabs when viewing a surface on which the electrode tabs are arranged from a direction that is orthogonal to the surface.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: October 13, 2020
    Assignee: Envision AESC Japan Ltd.
    Inventors: Masayuki Nakai, Yasuhiro Yanagihara
  • Patent number: 10727470
    Abstract: A battery terminal having a post-engaging portion configured to receive a battery post. The post-engaging portion has an arcuate portion having a first portion, a second portion and a slot separating the first portion from the second portion. Wherein in response to the lever being moved toward a closed position, the first portion and second portion are subjected to a tensile force, causing the first portion and the second portion to elongate while not exceeding the yield strength of the first portion and the second portion generating stored energy in the first portion and the second portion. The stored energy results in a constant normal force being applied by the first portion and the second portion of to the battery post to provide and maintain a gastight electrical contact interface between the first portion and the second portion and the battery post.
    Type: Grant
    Filed: January 8, 2016
    Date of Patent: July 28, 2020
    Assignee: TYCO ELECTRONICS BRASIL LTDA.
    Inventors: Joannes Willem Maria Roosdorp, Fabio Fortunato Christiano
  • Patent number: 10727535
    Abstract: Electrochemical cells that cycle lithium ions are provided. The electrochemical cells have an electrode that includes a silicon-containing electroactive material that undergoes volumetric expansion and contraction during the cycling of the electrochemical cell; and an electrolyte system that promotes passive formation of a flexible protective layer comprising a lithium fluoride-polymer composite on one or more exposed surface regions of the silicon-containing electroactive material. The electrolyte system includes a lithium salt, at least one cyclic carbonate, and two or more linear carbonates. At least one of the two or more linear carbonate-containing co-solvents is a fluorinated carbonate-containing co-solvent. The electrolyte system accommodates the volumetric expansion and contraction of the silicon-containing electroactive material to promote long term cycling stability.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: July 28, 2020
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Li Yang, Mei Cai, Peng Lu, Fang Dai
  • Patent number: 10720682
    Abstract: An encapsulation structure for preventing thermal damage to a battery includes a cooling module air guide formed on a front outer peripheral surface of a cooling module so as to protrude in a forward direction of a vehicle; an outside air line communicating with the cooling module air guide such that outside air flowing into the cooling module air guide is introduced through the outside air line; and a battery case formed to enclose the battery. The battery case communicates with the outside air line.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: July 21, 2020
    Assignee: Hyundai Motor Company
    Inventors: Dang-Hee Park, Yong-Beom Park, Bong-Soo Kim
  • Patent number: 10714719
    Abstract: A housing of vehicle lithium battery-modules, each battery-module having an evacuation opening and a parallelepipedal shape, where a plurality of horizontal plates are arranged inside the housing, parallel to each other, alternated with layers of the battery-modules, wherein each one of the horizontal plates is joined to perimetral surfaces of the housing to convey heat towards the external environment, wherein each battery-module is arranged so that the evacuation openings are vertically aligned, and wherein each one of the horizontal plates comprises corresponding openings equipped with appropriate gaskets on both the opposite faces of the horizontal plates, in order to define continuous and gastight evacuation channels between the battery-modules.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: July 14, 2020
    Assignees: IVECO S.p.A., NICE POWER S.r.l.
    Inventors: Marco Aimo Boot, Giorgio Mantovani, Marino Sergi
  • Patent number: 10714721
    Abstract: The present invention provides a secondary battery including: a housing, the housing being provided with an explosion proof valve at a bottom thereof, a cell pallet received in the housing and located at a bottom of the housing, the cell pallet being provided with a first through-hole and at least one groove, the first through-hole being aligned with the explosion proof valve and extending through the cell pallet to communicate a space above the cell pallet and a space below the cell pallet, the at least one groove being provided on an upper surface and/or a lower surface of the cell pallet, and the first through-hole communicating with at least one side edge of the cell pallet through the at least one groove; a bare cell received in the housing and seated on the cell pallet; and a top cover assembled to a top side of the housing.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: July 14, 2020
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Quankun Li, Pinghua Deng, Peng Wang, Kai Wu, Yongshou Lin
  • Patent number: 10707540
    Abstract: A battery packing includes: a bare cell; a protective circuit module electrically connected to the bare cell; a first lead plate connecting the protective circuit module and a terminal of the bare cell; and a first cover at an upper portion of the bare cell, wherein a portion of the first cover protrudes outward and accommodates the protective circuit module.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: July 7, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Hyungshin Kim
  • Patent number: 10686204
    Abstract: A solid oxide fuel cell system includes a primary fuel supply passage for supplying fuel, plural fuel cell stacks each uses a solid oxide fuel cell and that are provided in line on the primary fuel supply passage and includes at least a first fuel cell stack and a second fuel cell stack, a first reformer that is provided on an upstream side from the first fuel cell stack on the primary fuel supply passage and reforms the fuel by utilizing endothermic reforming reactions, a second reformer that is provided between the first fuel cell stack and the second fuel cell stack on the primary fuel supply passage and reforms the fuel by utilizing endothermic reforming reactions and exothermic methanation reactions, and a secondary fuel supply passage connected between the first fuel cell stack and the second reformer.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: June 16, 2020
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Maki Hoshino, Tatsuya Yaguchi
  • Patent number: 10651481
    Abstract: A cell stack device (1) according to the present invention includes a plurality of cells (3) having a columnar shape; and electrically conductive members (4) interposed between adjacent cells (3) of the plurality of cells (3), and connected to the each adjacent cell (3) with a bonding material (15) having electrically conductive property. The bonding material (15) contains electrically conductive particles and fibrous bodies (16) having electrically insulating properties, and a major axis direction of the fibrous bodies (16) is oriented in a predetermined direction in regions where the electrically conductive members (4) face to the each adjacent cell (3).
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: May 12, 2020
    Assignee: KYOCERA Corporation
    Inventor: Kazunari Sugihara
  • Patent number: 10629969
    Abstract: A battery manufacturing method including the steps of testing a cathode assembly that includes an air cathode and a battery can cathode portion that is not connected to a battery can anode portion, and joining an anode assembly, including a battery can anode portion in which anode material is located, to the tested cathode assembly.
    Type: Grant
    Filed: July 27, 2014
    Date of Patent: April 21, 2020
    Assignee: Sonova AG
    Inventors: Chuangang Lin, Stuart Wenzel, Paul Wagner, Michael Au
  • Patent number: 10622683
    Abstract: This disclosure relates to a method for operating a battery of a motor vehicle, wherein parameters are continuously monitored by means of a system of the motor vehicle, said parameters representing the state of the battery, and at least one risk minimizing strategy that includes measures for changing the battery situation is implemented if an evaluating unit of the system generates an alarm signal on the basis of a parameter that is being monitored.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: April 14, 2020
    Assignee: Ford Global Technologies, LLC
    Inventors: Mark Eifert, Eckhard Karden
  • Patent number: 10622626
    Abstract: The present invention is a negative electrode material for a secondary battery with a non-aqueous electrolyte comprising at least a silicon-silicon oxide composite and a carbon coating formed on a surface of the silicon-silicon oxide composite, wherein at least the silicon-silicon oxide composite is doped with lithium, and a ratio I(SiC)/I(Si) of a peak intensity I(SiC) attributable to SiC of 2?=35.8±0.2° to a peak intensity I(Si) attributable to Si of 2?=28.4±0.2° satisfies a relation of I(SiC)/I(Si)?0.03, when x-ray diffraction using Cu-K? ray. As a result, there is provided a negative electrode material for a secondary battery with a non-aqueous electrolyte that is superior in first efficiency and cycle durability to a conventional negative electrode material.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: April 14, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Nobuo Kawada
  • Patent number: 10622647
    Abstract: A fuel cell includes a first separator including a reactant gas buffer portion which includes a first buffer region and a second buffer region. The first buffer region has a first depth in the stacking direction. First embossed portions are formed in the first buffer region. Each of the first embossed portions has a first diameter and a first radius of a corner at a distal end of each of the first embossed portions. The second buffer region has a second depth in the stacking direction larger than the first depth. Second embossed portions are formed in the second buffer region. Each of the second embossed portions has a second diameter and a second radius of a corner at a distal end of each of the second embossed portions. The second diameter is smaller than the first diameter or the second radius is smaller than the second diameter.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: April 14, 2020
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Naoki Yamano, Narutoshi Sugita, Jun Kondo
  • Patent number: 10615417
    Abstract: One variation of a method for fabricating an electrolyte includes: depositing an electrolyte material over a substrate, the electrolyte material including a monomer miscible in a first volume of solvent, a polymer semi-miscible in the monomer and miscible in the first volume of solvent, and a photoinitiator; exposing the electrolyte material to electromagnetic radiation to disassociate the photoinitiator into a reactive subspecie that crosslinks the monomer to form an electrolyte structure with the polymer phase-separated from the electrolyte structure; dissolving the polymer out of the electrolyte structure with a second volume of solvent to render a network of open-cell pores in the electrolyte structure; and exposing the electrolyte structure to a third volume of solvent and ions to fill the network of open-cell pores with solvated ions.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: April 7, 2020
    Assignee: Millibatt, Inc.
    Inventors: Leland Smith, Janet Hur, Cheolwoong Lim, Guangyi Sun
  • Patent number: 10615439
    Abstract: The present invention is concerned with improved fuel cell systems and methods.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: April 7, 2020
    Assignee: CERES INTELLECTUAL PROPERTY COMPANY LIMITED
    Inventors: Paul Barnard, Mark Selby, Andrew Hazell, Christopher John Evans