Patents Examined by Anca Eoff
  • Patent number: 10497927
    Abstract: A method of making a negative electrode for an electrochemical cell includes applying a fluoropolymer via a deposition process to one or more surface regions of an electroactive material. The electroactive material may be selected from the group consisting of: lithium metal, silicon metal, silicon-containing alloys, and combinations thereof. The fluoropolymer reacts with lithium to form a composite surface layer on the one or more surface regions that comprises an organic matrix material having lithium fluoride particles distributed therein. Electrochemical cells including such negative electrode are also provided.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: December 3, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Xingcheng Xiao
  • Patent number: 10490783
    Abstract: Disclosed is a pouch-type secondary battery, which prevents a metal layer made of a lamination sheet from being exposed outwards, and a method for manufacturing the same. The pouch-type secondary battery includes a pouch-type battery case; an electrode assembly mounted in the battery case; electrode leads of a positive electrode and a negative electrode, configured to have one end connected to the electrode assembly and the other end protruding out of the battery case; and a sealing portion configured to bond an upper sheet and a lower sheet of the battery case, wherein a tape having a metal foil is bonded to increase a moisture penetration path toward a terminal of the sealing portion.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: November 26, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Seong-Yoon Lim, Jung-Seok Choi
  • Patent number: 10490810
    Abstract: The present invention provides a positive electrode active material for non-aqueous electrolyte secondary battery comprising: core particles comprising a lithium transition metal composite oxide represented by the general formula: LiaNi1?x?yCoxM1yM2zO2 wherein 1.00?a?1.50, 0.00?x?0.50, 0.00?y?0.50, 0.00?z?0.02, 0.00?x+y?0.70, M1 is at least one element selected from the group consisting of Mn and Al, M2 is at least one element selected from the group consisting of Zr, Ta, Nb and Mo, and a surface layer located on a surface of the core particles, the surface layer comprising lithium, boron, tungsten and oxygen.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: November 26, 2019
    Assignee: NICHIA CORPORATION
    Inventor: Kenta Kawai
  • Patent number: 10483519
    Abstract: A battery pack has a cell group and a bus bar. The cell group is stacking a plurality of unit cells in a thickness direction. The unit cells each includes a cell body having a power generation element and a flat shape, and an electrode tab protruding out from the cell body. The electrode tabs have distal end portions bent in a stacking direction of the unit cells. The flat plate shape bus bar connects the distal end portions of the electrode tabs of the unit cells while facing the distal end portions, and electrically connects the electrode tabs of at least two of the unit cells with each other.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: November 19, 2019
    Assignee: Envision AESC Japan Ltd.
    Inventors: Takao Iwasaki, Yasuhiro Yanagihara, Masayuki Nakai, Masahiro Nakamoto, Yusuke Tsuji, Manato Itabashi
  • Patent number: 10481456
    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 a viologen 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: December 22, 2017
    Date of Patent: November 19, 2019
    Assignee: GENTEX CORPORATION
    Inventors: David A. Theiste, Leroy J. Kloeppner, Sue F. Franz, Punam Giri, Rongguang Lin
  • Patent number: 10483555
    Abstract: This disclosure is about invention of fuel cells comprising vertically free-standing graphene-containing carbon nanosheets in the components, and methods of making thereof.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: November 19, 2019
    Inventors: Wei Zheng, Xin Zhao
  • Patent number: 10483595
    Abstract: The invention concerns a high-performance tungsten-based super battery system, which relates to an integrated design and a construction method of a corresponding material, a structure and a process. In the technology, a tungsten-based material is used a negative electrode, and a high-specific-surface-area carbon or lead oxide is used as a positive electrode to assemble four types of super batteries comprising: 1) a tungsten-carbon super battery, 2) a tungsten-tungsten super battery, 3) a tungsten-lead oxide super battery, and 4) a super battery system of a hybridized tungsten super battery (comprising lead oxide, lead, and a carbon material) on which the foregoing two types of super batteries are hybridized in use. The introduction of the tungsten-based material endows a novel class of super batteries with higher power density, higher energy density, longer cycling life, high durability and reliable safety. This will enable a broad range of applications.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: November 19, 2019
    Assignee: SUZHOU HANS ENERGY STORAGE TECHNOLOGY CO., LTD.
    Inventor: Yuhong Zhang
  • Patent number: 10474032
    Abstract: In one aspect, coating compositions are provided that comprise a component a component that comprises one or more silicon, antimony, aluminum, yttrium, cerium, lanthanum, tin, titanium, zirconium, hafnium, indium or zinc compounds. In another aspect, coating compositions are provided that comprise a plurality of discrete particles. Preferred coating compositions of the invention are useful for antireflective purposes, particularly with an underlaying photoresist coating layer, as well as for a barrier layer in immersion lithography.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: November 12, 2019
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Gregory P. Prokopowicz, Michael K. Gallagher
  • Patent number: 10476048
    Abstract: The secondary battery of the present invention includes: a top cover, a first electrode terminal, a second electrode terminal, an electrode-tab pad-plate, an electrode assembly, a first electrode-tab and a second electrode-tab; the first and second electrode terminal are arranged on the top cover, the electrode-tab pad-plate is a strip-plate shaped structure, and is located between the top cover and electrode assembly, the first electrode-tab includes a connecting part, a folding part and a welding part, the connecting part is beneath the electrode tab pad plate, the welding part is above the electrode tab pad plate, and the connecting part is connected with the electrode assembly, the welding part is connected with the first electrode terminal, the folding part is connected with the connecting part and welding part bypassing the electrode-tab pad-plate; the second electrode terminal is connected with the electrode assembly through the second electrode-tab.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: November 12, 2019
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Jian Guo, Quankun Li, Pinghua Deng, Peng Wang, Lingbo Zhu, Qingkui Chi
  • Patent number: 10476077
    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 12, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Chihiro Yada, Shingo Ohta
  • Patent number: 10468692
    Abstract: A technique of reducing the possibility that the thickness of an adhesive layer in a seal member becomes non-uniform is provided. There is provided a fuel cell comprising a membrane electrode gas diffusion layer assembly; a seal member; and a first separator and a second separator arranged to place the diffusion layer assembly and the seal member therebetween. The seal member includes a first adhesive layer facing the first separator, a second adhesive layer facing the second separator, and a core layer that is placed between, and is harder than, the first and second adhesive layers. Each of the first and second separators includes an opposed surface that faces the corresponding adhesive layer and a convex protruded from the opposed surface in a direction toward the seal member. A circumference of the convex in the opposed surface adheres to the corresponding facing adhesive layer.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: November 5, 2019
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Nobuaki Nonoyama
  • Patent number: 10468658
    Abstract: A rechargeable battery is disclosed. In one aspect, the battery includes an electrode assembly having a thickness and including a positive electrode and a negative electrode. The battery also includes a case accommodating the electrode assembly. The electrode assembly further includes a plurality of first electrode tabs protruding from the positive electrode and a plurality of second electrode tabs protruding from the negative electrode. The first electrode tabs have a width and are aligned in the thickness dimension of the electrode assembly. A distance TG between the first electrode tabs and the second electrode tabs satisfies the following equations: 1.2TW1<TG<6TW1 and TG>5SW1, where TW1 is the width of the first electrode tabs and SW1 is the minimum distance between the first electrode tabs and a lateral end of the electrode assembly.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: November 5, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seong-Gi Choo, Sung-Hwa Eo, Da-Woon Han, Jan-Dee Kim
  • Patent number: 10446876
    Abstract: Energy storage devices, battery cells, and batteries of the present technology may include a housing characterized by a first end and a second end opposite the first end. The housing may include a circumferential indentation proximate the first end. The housing may define a first interior region between the first end and the circumferential indentation, and the housing may define a second interior region between the circumferential indentation and the second end. The batteries may include a set of electrodes located within the housing. The set of electrodes may be positioned within the second interior region of the housing. The batteries may include a cap at least partially contained within the first interior region of the housing. The batteries may also include a first insulator positioned within the housing. The first insulator may extend across the circumferential indentation from the cap to the set of electrodes.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: October 15, 2019
    Assignee: Apple Inc.
    Inventors: Christopher R. Pasma, YooEup Hyung, Brian K. Shiu, Stephen J. Wisler
  • Patent number: 10446763
    Abstract: An organometallic compound including a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer includes an emission layer, and wherein the organic layer further includes a first material represented by Formula 1 and a second material represented by Formula 2: wherein in Formulae 1 and 2, groups and variables are the same as described in the specification.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: October 15, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., INDUSTRY-ACADEMIC COOPOERATION FOUNDATION, DANKOOK UNIVERSITY, SAMSUNG SDI CO., LTD.
    Inventors: Hosuk Kang, Junyeob Lee, Jongsoo Kim, Jeonga Seo, Myungsun Sim, Chilwon Lee, Sooghang Ihn
  • Patent number: 10439252
    Abstract: It is an object of the present invention to provide an electrochemical device having an electrolytic solution having high current density, as well as high safety, where dissolution and deposition of magnesium progress repeatedly and stably. Furthermore, the present invention relates to an electrolytic solution for an electrochemical device, comprising (1) a supporting electrolyte comprising a magnesium salt, and (2) at least one or more kinds of the compound represented by following general formula (I) (wherein n represents an integer of 0 to 6, and n pieces of R1 and n pieces of R2 each independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or a halogenoalkyl group having 1 to 6 carbon atoms.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: October 8, 2019
    Assignee: FUJIFILM Wako Pure Chemical Corporation
    Inventors: Tsutomu Watahiki, Takahiro Kiyosu, Kazuhiko Sato, Goro Mori, Kuniaki Okamoto
  • Patent number: 10431804
    Abstract: A secondary battery includes an electrode assembly including first and second electrodes, an outer body having an opening and housing the electrode assembly, a conductive sealing plate sealing the opening, and a deformable member. The sealing plate has a first through-hole. The deformable member seals the first through-hole. When the opening of the outer body faces upward, a second electrode connecting member electrically connected to the second electrode is above the deformable member. A conductive conducting member is disposed between the second electrode connecting member and the deformable member. The diameter of the conducting member is larger than the diameter of the first through-hole. When the pressure inside the outer body becomes equal to or higher than a predetermined value, the deformable member is deformed and brings the conducting member into contact with the second electrode connecting member and electrically connects the sealing plate and the second electrode connecting member.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: October 1, 2019
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Ryoichi Wakimoto, Yasuhiro Yamauchi
  • Patent number: 10431853
    Abstract: Energy storage devices, battery cells, and batteries of the present technology may include a housing characterized by a first end and a second end opposite the first end. The housing may include a circumferential indentation proximate the first end. The housing may define a first interior region between the first end and the circumferential indentation, and the housing may define a second interior region between the circumferential indentation and the second end. The batteries may include a set of electrodes located within the housing. The set of electrodes may be positioned within the second interior region of the housing. The batteries may include a cap at least partially contained within the first interior region of the housing. The batteries may also include a first insulator positioned within the housing. The first insulator may extend across the circumferential indentation from the cap to the set of electrodes.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: October 1, 2019
    Assignee: Apple Inc.
    Inventors: Christopher R. Pasma, YooEup Hyung, Brian K. Shiu, Stephen J. Wisler
  • Patent number: 10424801
    Abstract: A cell structure includes a cathode, an anode, and a protonically conductive solid electrolyte layer between the cathode and the anode. The solid electrolyte layer contains a compound having a perovskite structure and containing zirconium, cerium, and a rare-earth element other than cerium. If the solid electrolyte layer has a thickness of T, the elemental ratio of zirconium to cerium at a position 0.25 T from a surface of the solid electrolyte layer opposite the cathode, ZrC/CeC, and the elemental ratio of zirconium to cerium at a position 0.25 T from a surface of the solid electrolyte layer opposite the anode, ZrA/CeA, satisfy ZrC/CeC>ZrA/CeA, and ZrC/CeC>1.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: September 24, 2019
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takahiro Higashino, Yohei Noda, Chihiro Hiraiwa, Naho Mizuhara, Hiromasa Tawarayama, Hisao Takeuchi, Masatoshi Majima
  • Patent number: 10418646
    Abstract: The present specification relates to a composite membrane containing an ion transfer polymer and a method for preparing the same.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: September 17, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sikwon Moon, Tae Geun Noh, Bong Hyun Jeong, Geungi Min, Jeongbae Lee, Sujin Byun
  • Patent number: 10418612
    Abstract: A secondary battery according to one embodiment includes, an electrode group which is a cathode and an anode wound with a separator being interposed therebetween, a first lead having a first welding surface, a second lead having a second welding surface which is bent with respect to a winding axial direction of the electrode group, a first current collecting tab which is extended from one end of the electrode group on the winding axial direction, and welded onto the first welding surface of the first lead, a second current collecting tab which is extended from the other end of the electrode group on the winding axial direction, and welded onto the second welding surface of the second lead, a first terminal connected to the first lead, and a second terminal connected to the second lead.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: September 17, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tatsuya Shinoda, Tatsuya Hashimoto, Koichi Kawamura, Nobuyasu Negishi, Koichi Takeshita, Yasuaki Murashi