Patents Examined by Anca Eoff
  • Patent number: 10969685
    Abstract: A photoresist composition comprising: a resin which has an acid-labile group; an acid generator; a compound which has a sulfide bond and a mercapto group; and a solvent.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: April 6, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masako Sugihara, Maki Kawamura, Maiko Goda
  • Patent number: 10971786
    Abstract: A cell stack includes adjacent first and second battery cells respectively having a positive cell tab, a negative cell tab, and an outer surface. The outer surfaces are flush. The positive cell tab of the first battery cell protrudes from the outer surface of the first battery cell, and the negative cell tab of the second battery cell protrudes from the outer surface of the second battery cell. An isolative shield is positioned adjacent to the outer surfaces, and defines through-slots receiving therein a respective one of the cell tabs. A method includes providing the cell stack, inserting the cell tabs into the pair of through-slots of the isolative shield, positioning a primary surface of the isolative shield adjacent to the outer surfaces of the adjacent battery cells after inserting the cell tabs, and affixing the primary surface of the isolative shield to the cell stack.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: April 6, 2021
    Assignee: GM Global Technology Operations LLC
    Inventors: Nicholas Compton, Igor M. Kan, Sami A. Syed, Jason Mazza, Steven D. Lorentz
  • Patent number: 10971718
    Abstract: An energy storage device includes a cathodic material in an activated state; and an anodic material in an activated state; wherein: the cathodic material is covalently attached to, or confined within, a first polymer matrix, the first polymer matrix is configured to prevent or minimize substantial diffusion of the cathodic material in the activated state; and the anodic material is a phenazine, a phenothiazine, a triphenodithiazine, a carbazole, a indolocarbazole, a biscarbazole, or a ferrocene covalently attached to, or confined within, a second polymer matrix, the second polymer matrix is configured to prevent or minimize substantial diffusion of the anodic material in the activated state.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: April 6, 2021
    Assignee: GENTEX CORPORATION
    Inventors: David A Theiste, Leroy J. Kloeppner, Sue F. Franz, Punam Giri, Rongguang Lin
  • Patent number: 10957936
    Abstract: A lithium ion secondary battery includes a positive electrode containing a spinel-type lithium-nickel-manganese composite oxide as a positive electrode active material; a negative electrode containing, as a negative electrode active material, an active material in which introduction and release of lithium ions take place at a potential of 1.2 V or higher relative to a lithium potential; a separator inserted between the positive electrode and the negative electrode; and an electrolytic solution, wherein a capacity ratio of a negative electrode capacity of the negative electrode to a positive electrode capacity of the positive electrode (negative electrode capacity/positive electrode capacity) is 1 or lower, and the electrolytic solution contains dimethyl carbonate as a non-aqueous solvent at a content ratio of higher than 70% by volume with respect to a total amount of the non-aqueous solvent.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: March 23, 2021
    Assignee: Showa Denko Materials Co., Ltd.
    Inventor: Yuma Gogyo
  • Patent number: 10955485
    Abstract: There is provided a battery comprising an electrochemical unit comprising at least one electrochemical cell. The at least one electrochemical cell comprises a cell anode, a cell cathode and an electrolyte in contact with said cell anode and cell cathode. The electrochemical unit further comprises a first contact electrode mounted on a surface of the electrochemical unit. The battery further comprises a second contact electrode positioned adjacent to the electrochemical unit, whereby the first and second contact electrodes face each other to allow a contact resistance between the first contact electrode and second contact electrode to be measured.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: March 23, 2021
    Assignee: Oxis Energy Limited
    Inventor: Lukasz Kabacik
  • Patent number: 10930964
    Abstract: A fuel cell stack includes a pair of end plates disposed on opposing sides of a fuel cell stacked body in a first direction, a coupling bar that bridges between the end plates, a fastening member that connects the end plates and the coupling bar in the first direction, and a cylindrical knock disposed inside an end plate side mounting hole and a coupling bar side mounting hole of the end plates and the coupling bar in the first direction, and being externally fitted to the fastening member inside the end plate side mounting hole and the coupling bar side mounting hole. A first seal member in close contact with at least an inner circumferential surface of the end plate side mounting hole and the fastening member is disposed in a portion located between the cylindrical knock and the fastening member inside the end plate side mounting hole.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: February 23, 2021
    Assignee: Honda Motor Co., Ltd.
    Inventors: Hideharu Naito, Yusuke Nara
  • Patent number: 10919918
    Abstract: An object of the present invention is to provide: a tetracarboxylic dianhydride which can lead to a polyimide usable as a base resin of a photosensitive resin composition capable of forming a fine pattern and obtaining high resolution without impairing excellent characteristics such as mechanical strength and adhesiveness; a polyimide resin obtained by using the tetracarboxylic dianhydride; and a method for producing the polyimide resin. The tetracarboxylic dianhydride is shown by the following general formula (1).
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: February 16, 2021
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiroyuki Urano, Hiroki Takano, Masashi Iio, Katsuya Takemura, Kazuya Honda
  • Patent number: 10910651
    Abstract: Provided is a binder for an electrode that enables production of a slurry for an electrode that has excellent dispersibility and can cause a secondary battery to display excellent output characteristics and high-temperature cycle characteristics. The binder for an electrode contains a polymer and an organic solvent. The polymer includes a structural unit derived from a monofunctional ethylenically unsaturated carboxylic acid ester monomer in a proportion of at least 45 mass % and not more than 69.9 mass %, a structural unit derived from an aromatic vinyl monomer in a proportion of at least 30 mass % and not more than 54.9 mass %, and a structural unit derived from an ethylenically unsaturated nitrile monomer in a proportion of at least 0.1 mass % and not more than 10 mass %.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: February 2, 2021
    Assignee: ZEON CORPORATION
    Inventors: Tomoya Murase, Masahiro Onoe
  • Patent number: 10910679
    Abstract: An electrochemical cell includes a cathode, an anode, a non-aqueous electrolyte, and a cathode illumination source.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: February 2, 2021
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Christopher S. Johnson, Anna Lee
  • Patent number: 10903521
    Abstract: The present disclosure is directed to a triazine-modified ionic liquid compound, the synthesis thereof and an electrochemical cell electrolyte containing the triazine-modified ionic liquid compound.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: January 26, 2021
    Assignee: NOHMS Technologies, Inc.
    Inventors: Surya Moganty, Yue Wu, Luigi Abbate, Kevin Brown, John Sinicropi, Gabriel Torres
  • Patent number: 10896785
    Abstract: In an electric storage element, a negative electrode has a negative-electrode collector and a negative-electrode active material layer provided on a principal face of the negative-electrode collector, the positive electrode having a positive-electrode collector and a positive-electrode active material layer provided on a principal face of the positive-electrode collector, and the separator insulating the negative electrode and the positive electrode, are stacked and wound together. A negative-electrode terminal and a positive-electrode terminal are electrically connected to the negative-electrode collector and the positive-electrode collector, respectively, and projects from a winding structure along a direction of a center axis of winding. A first protective tape covers the negative-electrode terminal and has lower ion permeability than that of the separator.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: January 19, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Koji Kano, Katsunori Yokoshima
  • Patent number: 10892467
    Abstract: A nonaqueous electrolyte secondary battery includes an electrode assembly including a negative plate and a positive plate including a positive electrode active material mix layer, a nonaqueous electrolyte, a battery case that houses the electrode assembly and the nonaqueous electrolyte, and a pressure-sensitive safety system that operates when the pressure in the battery case reaches a value greater than or equal to a predetermined value. The positive electrode active material mix layer contains lithium carbonate and lithium phosphate. The average particle size of lithium carbonate contained in the positive electrode active material mix layer is greater than the average particle size of lithium phosphate contained in the positive electrode active material mix layer. The number of particles of lithium carbonate contained in the positive electrode active material mix layer is less than the number of particles of lithium phosphate contained in the positive electrode active material mix layer.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: January 12, 2021
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Yuu Takanashi, Masao Inoue, Toyoki Fujihara
  • Patent number: 10882839
    Abstract: A salt containing a group represented by the formula (aa): wherein Xa and Xb independently each represent an oxygen atom or a sulfur atom, a ring W represents a C3-C18 heterocycle which has a carbonate ester structure and which can have a substituent, and * represents a binding position is provided.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: January 5, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tatsuro Masuyama, Natsuki Okada, Koji Ichikawa
  • Patent number: 10879509
    Abstract: A rechargeable battery includes an electrode assembly including a first electrode and a second electrode; a case receiving the electrode assembly; and at least one block layer between the case and the electrode assembly, wherein the block layer is made of a fiber material.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: December 29, 2020
    Assignee: SAMSUNG SDI CO., LTD.
    Inventor: Seung-Mo Kim
  • Patent number: 10873073
    Abstract: Provided is positive electrode material for a highly safe lithium-ion secondary battery that can charge and discharge a large current while having long service life. Disclosed are composite particles comprising: at least one carbon material selected from the group consisting of (i) fibrous carbon material, (ii) chain-like carbon material, and (iii) carbon material produced by linking together fibrous carbon material and chain-like carbon material; and lithium-containing phosphate, wherein at least one fine pore originating from the at least one carbon material opens to outside the composite particle. Preferably, the composite particles are coated with carbon. The fibrous carbon material is preferably a carbon nanotube with an average fiber size of 5 to 200 nm. The chain-like carbon material is preferably carbon black produced by linking, like a chain, primary particles with an average particle size of 10 to 100 nm.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: December 22, 2020
    Assignees: DENKA COMPANY LIMITED, SEI CORPORATION
    Inventors: Takashi Kawasaki, Nobuyuki Yoshino, Hiroshi Murata, Takehiko Sawai, Shinji Saito, Kazunori Urao
  • Patent number: 10862098
    Abstract: A power storage device includes an electrode assembly, a case, first and second electrode terminals, and a current interrupting mechanism. The current interrupting mechanism interrupts a current through an electrical current-carrying path when the internal pressure of the case reaches a preset pressure. The current interrupting mechanism includes a mechanism insulating portion, which insulates the first electrode terminal including the current interrupting mechanism from an end face of the electrode assembly, and a terminal insulating portion, which insulates the second electrode terminal from the end face of the electrode assembly. The projecting dimension from a wall portion to the mechanism insulating portion including the first electrode terminal is equal to the projecting dimension from the wall portion to the terminal insulating portion including the second electrode terminal.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: December 8, 2020
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Tomohiro Nakamura, Takayuki Hirose, Hirokuni Akiyama
  • Patent number: 10854906
    Abstract: A redox flow battery where the negative electrode uses carbon dioxide based redox couples. The negative electrode contains a bifunctional catalyst that allows for the reduction of carbon dioxide to carbonaceous species (e.g., formic acid, oxalic acid or their salts) in the battery charge (i.e., energy storage) mode, and for the oxidation of the above-mentioned carbonaceous species in the battery discharge (i.e., energy generation) mode. The positive electrode of the battery can utilize a variety of redox couples including but not restricted to bromine-bromide, chlorine-chloride, vanadium (IV)-vanadium (V), chromium (III)-dichromate (VII), cerium (III)-cerium (IV), oxygen-water (or hydroxide).
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: December 1, 2020
    Assignee: AGORA ENERGY TECHNOLOGIES LTD.
    Inventor: Elod Lajos Gyenge
  • Patent number: 10847794
    Abstract: An oxide electrolyte sintered body with high lithium ion conductivity and a method for producing the same, which can obtain the oxide electrolyte sintered body with high lithium ion conductivity by sintering at lower temperature than ever before. The method for producing an oxide electrolyte sintered body may comprise the steps of: preparing crystal particles of a garnet-type ion-conducting oxide which comprises Li, H, at least one kind of element L selected from the group consisting of an alkaline-earth metal and a lanthanoid element, and at least one kind of element M selected from the group consisting of a transition element that can be 6-coordinated with oxygen and typical elements belonging to the Groups 12 to 15, and which is represented by a general formula (Lix?3y?z,Ey,Hz)L?M?O? (where E is at least one kind of element selected from the group consisting of Al, Ga, Fe and Si, 3?x?3y?z?7, 0?y<0.22, 0<z?2.8, 2.5???3.5, 1.5???2.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: November 24, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Chihiro Yada, Shingo Ohta
  • Patent number: 10844037
    Abstract: Acid generators comprising a carbocyclic aryl or heteroaromatic group substituted with at least one acetate moiety are provided. These acid generators are particularly useful as a photoresist composition component.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: November 24, 2020
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventor: Paul J. Labeaume
  • Patent number: 10847789
    Abstract: The present application relates to the field of secondary batteries and, particularly, relates to a negative electrode material for the secondary battery, a method for preparing the same, and a secondary battery containing the same. The negative electrode material includes a kernel particle, a connection carbon layer, a conductive carbon microparticle, the connection carbon layer is coated on a surface of the kernel particle, and the conductive carbon microparticle is distributed on a surface of the connection carbon layer. A high-molecular polymer is used as binder. A layer of conductive carbon microparticle is uniformly coated on a surface of the negative electrode active material, so that a stable and effective conductive network is formed in the electrode plate, thereby significantly improving a dynamic performance of the negative electrode material and providing a battery containing the negative electrode material with high rate performance and fast charging capability.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: November 24, 2020
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Rui Shen, Libing He, Shuli Li, Jianjun Ma