中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

11 records (took 0.013 seconds)

    ANODE, AND SULFIDE SOLID-STATE BATTERY
    2.
    发明申请
    ANODE, AND SULFIDE SOLID-STATE BATTERY 审中-公开

    公开(公告)号：US20190305294A1

    公开(公告)日：2019-10-03

    申请号：US16354426

    申请日：2019-03-15

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Mitsuru TATEISHI ,  Yusuke OKUHATA ,  Hajime HASEGAWA ,  Hirokazu KAWAOKA ,  Hideaki MIYAKE

    IPC: H01M4/134 ,  H01M10/0562 ,  H01M4/66 ,  H01M4/38 ,  H01M10/0585

    Abstract: Copper reacts with a sulfide solid electrolyte to generate copper sulfide when an anode current collector layer made from copper, and an anode mixture layer containing the sulfide solid electrolyte are used to compose an anode, and the resistance of the interface between the anode current collector layer and the anode mixture layer increases. To alloy an anode current collector layer to lower the reactivity to a sulfide solid electrolyte, specifically, an anode includes: an anode mixture layer; and an anode current collector layer that is in contact with the anode mixture layer, wherein the anode mixture layer contains an anode active material and a sulfide solid electrolyte, and at least a surface of the anode current collector layer is made from material that contains an alloy of copper and metal of a higher ionization tendency than copper, the surface being in contact with the anode mixture layer.

    STACKED BATTERY
    3.
    发明申请
    STACKED BATTERY 审中-公开

    公开(公告)号：US20180316065A1

    公开(公告)日：2018-11-01

    申请号：US15952450

    申请日：2018-04-13

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Hajime HASEGAWA ,  Yuki MATSUSHITA ,  Hideaki NISHIMURA ,  Yusuke OKUHATA ,  Norihiro OSE ,  Mitsuru TATEISHI ,  Shigetaka NAGAMATSU ,  Takayuki UCHIYAMA ,  Shigenori HAMA ,  Dai KATO ,  Naohiro MASHIMO ,  Hideyo EBISUZAKI ,  Ayano KOBAYASHI ,  Hisataka FUJIMAKI

    IPC: H01M10/42 ,  H01M10/0585 ,  H01M2/26 ,  H01M4/38

    Abstract: A main object of the present disclosure is to provide a stacked battery in which sneak current caused by an unevenness of a short circuit resistance among a plurality of cells, is suppressed. The present disclosure achieves the object by providing a stacked battery comprising: a plurality of cells in a thickness direction, wherein the plurality of cells are electrically connected in parallel; each of the plurality of cells includes a cathode current collector with a cathode current collecting tab, a cathode active material layer, a solid electrolyte layer, an anode active material layer, and an anode current collector with an anode current collecting tab, in this order; the stacked battery includes a surface-side cell that is located on a surface side of the stacked battery, and a center-side cell that is located on a center side rather than the surface-side cell; and the surface-side cell and the center-side cell satisfy at least one of: condition i) a resistance of the cathode current collecting tab in the surface-side cell is more than a resistance of the cathode current collecting tab in the center-side cell; and condition ii) a resistance of the anode current collecting tab in the surface-side cell is more than a resistance of the anode current collecting tab in the center-side cell.

    STACKED BATTERY
    4.
    发明申请
    STACKED BATTERY 审中-公开

    公开(公告)号：US20180316066A1

    公开(公告)日：2018-11-01

    申请号：US15952493

    申请日：2018-04-13

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Hajime HASEGAWA ,  Yuki MATSUSHITA ,  Hideaki NISHIMURA ,  Yusuke OKUHATA ,  Norihiro OSE ,  Mitsuru TATEISHI ,  Shigetaka NAGAMATSU ,  Takayuki UCHIYAMA ,  Shigenori HAMA ,  Dai KATO ,  Naohiro MASHIMO ,  Hideyo EBISUZAKI ,  Ayano KOBAYASHI ,  Hisataka FUJIMAKI

    IPC: H01M10/42 ,  H01M10/0525 ,  H01M4/64 ,  H01M4/38

    Abstract: A main object of the present disclosure is to provide a stacked battery in which the unevenness of short circuit resistance among a plurality of cells is suppressed. The present disclosure achieves the object by providing a stacked battery comprising: a plurality of cells in a thickness direction, wherein the plurality of cells are electrically connected in parallel; each of the plurality of cells includes a cathode current collector, a cathode active material layer, a solid electrolyte layer, an anode active material layer, and an anode current collector, in this order; the stacked battery includes a surface-side cell that is located on a surface side of the stacked battery, and a center-side cell that is located on a center side rather than the surface-side cell; and the surface-side cell and the center-side cell satisfy at least one of: condition i) an elongation rate of the cathode current collector in the surface-side cell is less than an elongation rate of the cathode current collector in the center-side cell; and condition ii) an elongation rate of the anode current collector in the surface-side cell is less than an elongation rate of the anode current collector in the center-side cell.

    STACKED BATTERY
    7.
    发明申请
    STACKED BATTERY 审中-公开

    公开(公告)号：US20180294470A1

    公开(公告)日：2018-10-11

    申请号：US15936970

    申请日：2018-03-27

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Hajime HASEGAWA ,  Yuki MATSUSHITA ,  Mitsuru TATEISHI ,  Hideyo EBISUZAKI ,  Hideaki NISHIMURA ,  Yusuke OKUHATA ,  Shigenori HAMA ,  Norihiro OSE

    IPC: H01M2/34 ,  H01M2/20 ,  H01M10/0585

    Abstract: A short-circuit current shunt part does not cause any short circuit during normal battery use, causes stable short circuits in nail penetration, and suppresses sudden temperature rise after nail penetration. A stacked battery includes at least one short-circuit current shunt part including first and second current collector layers, and an insulating layer between the first and second current collector layers, and electric elements each including a cathode current collector layer, a cathode material layer, an electrolyte layer, an anode material layer, and an anode current collector layer, with all layers being stacked. The first current collector layer is electrically connected with the cathode current collector layer, the second current collector layer is electrically connected with the anode current collector layer, the electric elements are electrically connected to each other in parallel, and the short-circuit current shunt part insulating layer formed of a thermosetting resin sheet.

    ALL-SOLID-STATE BATTERY AND METHOD FOR PRODUCING ALL-SOLID-STATE BATTERY
    8.
    发明申请
    ALL-SOLID-STATE BATTERY AND METHOD FOR PRODUCING ALL-SOLID-STATE BATTERY 审中-公开

    公开(公告)号：US20180294469A1

    公开(公告)日：2018-10-11

    申请号：US15935687

    申请日：2018-03-26

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Hajime HASEGAWA ,  Yuki MATSUSHITA ,  Mitsuru TATEISHI ,  Hideaki NISHIMURA ,  Hideyo EBISUZAKI ,  Yusuke OKUHATA ,  Norihiro OSE ,  Shigenori HAMA

    IPC: H01M2/34 ,  H01M10/0585

    Abstract: In an all-solid-state battery including at least one short-circuit current shunt part and at least one electric element which are stacked, when the battery is constrained, cracking etc. of the adhesive in the short-circuit current shunt pail is prevented.The all-solid-state battery includes at least one short-circuit current shunt part and at least one electric element which are stacked, to the all-solid-state battery constraint pressure being applied by a constraining member in a direction of stacking the short-circuit current shunt part and the electric element, wherein the short-circuit current shunt part includes a first current collector layer, a second current collector layer, and an insulating layer provided between the first and second current collector layers, all of these layers being stacked along the direction, to be adhered to each other with adhesive, the electric element includes a cathode current collector layer, a cathode material layer, a solid electrolyte layer, an anode material layer, and an anode current collector layer, all of these layers being stacked along the direction, the first current collector layer is electrically connected with the cathode current collector layer, the second current collector layer is electrically connected with the anode current collector layer, and the adhesive is provided for a zone in the short-circuit current shunt part, to the zone the constraint pressure from the constraining member not being applied.

    ALL-SOLID-STATE BATTERY
    10.
    发明申请
    ALL-SOLID-STATE BATTERY 审中-公开

    公开(公告)号：US20180294468A1

    公开(公告)日：2018-10-11

    申请号：US15924487

    申请日：2018-03-19

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Hajime HASEGAWA ,  Yuki MATSUSHITA ,  Mitsuru TATEISHI ,  Hideyo EBISUZAKI ,  Hideaki NISHIMURA ,  Yusuke OKUHATA ,  Shigenori HAMA ,  Norihiro OSE

    IPC: H01M2/34 ,  H01M10/0585 ,  H01M10/0562 ,  H01M4/66

    Abstract: Disclosed is an all-solid-state battery that makes it possible for a larger rounding current flow into a short-circuit current shunt part than to each electric element when the short-circuit current shunt part and the electric elements short-circuit in nail penetration testing. The all-solid-state battery includes at least one short-circuit current shunt part and a plurality of electric elements, the short-circuit current shunt part and the electric elements being stacked, wherein the short-circuit current shunt part includes a first current collector layer, a second current collector layer, and an insulating layer provided between the first and second current collector layers, all of the layers being stacked, each of the electric elements includes a cathode current collector layer, a cathode material layer, a solid electrolyte layer, an anode material layer, and an anode current collector layer, all of the layers being stacked, the electric elements are electrically connected to each other in parallel, the first current collector layer is electrically connected with the cathode current collector layer, the second current collector layer is electrically connected with the anode current collector layer, and contact resistance between the first and second current collector layers when pressure at 100 MPa is applied is lower than that between the cathode and anode current collector layers when pressure at 100 MPa is applied.

Patent Agency Ranking