知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

9 条记录 (耗时 0.017 秒)

    ELECTRODE AND ALL-SOLID-STATE BATTERY
    2.
    发明申请
    ELECTRODE AND ALL-SOLID-STATE BATTERY 有权

    公开(公告)号：US20210143434A1

    公开(公告)日：2021-05-13

    申请号：US17092707

    申请日：2020-11-09

    申请人： Toyota Jidosha Kabushiki Kaisha

    发明人： Shingo Komura

    IPC分类号： H01M4/66 ,  H01M4/525 ,  H01M4/505 ,  H01M4/136 ,  H01M4/134 ,  H01M4/131 ,  H01M4/58 ,  H01M10/0525 ,  H01M10/0562

    摘要： An electrode active material layer satisfies relations represented by an expression (1) “2.2≤X0≤15.0” and an expression (2) “|(X5−X1)/X1|≤25%”. X0 represents a ratio of a mass concentration of a first component (Ni, Co, Mn, Al, Fe, Ti, Si) to a mass concentration of a second component (S, P) in a cross section of the electrode active material layer. X1 represents a ratio of a mass concentration of the first component to a mass concentration of the second component in a region of the cross section closest to the electrode current collector; and X5 represents a ratio of a mass concentration of the first component to a mass concentration of the second component in a region of the cross section farthest from the electrode current collector.

    Method of producing cathode slurry, cathode and all-solid-state battery, and cathode and all-solid-state battery
    3.
    发明授权
    Method of producing cathode slurry, cathode and all-solid-state battery, and cathode and all-solid-state battery 有权

    公开(公告)号：US11522175B2

    公开(公告)日：2022-12-06

    申请号：US16781011

    申请日：2020-02-04

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： Shingo Komura

    IPC分类号： H01M4/36 ,  H01M4/62 ,  H01M4/485 ,  H01M4/04 ,  H01M10/0562 ,  H01M4/02

    摘要： In conventional arts, it is impossible to form a good solid-solid interface in cathode mixture layers of all-solid-state batteries, which significantly deteriorates resistance of the all-solid-state battery after the charge/discharge cycle, which is problematic. A cathode slurry is produced by a method including: a first step of dispersing a conductive additive constituted of carbon in a solvent to obtain a first slurry; a second step of dispersing a sulfide solid electrolyte in the first slurry to obtain a second slurry; and a third step of dispersing a cathode active material in the second slurry to obtain a third slurry, to be used to form a cathode mixture layer. This may suppress agglomeration of the cathode active material as using the conductive additive as a core, and may lower the proportion of agglomerate present in the cathode mixture layer. As a result, a good solid-solid interface may be formed in the cathode mixture layer of the all-solid-state battery, and the resistance increase of the all-solid-state battery after the charge/discharge cycle may be suppressed.

    Method of producing electrode body and method of producing battery
    5.
    发明授权
    Method of producing electrode body and method of producing battery 有权

    公开(公告)号：US10249869B2

    公开(公告)日：2019-04-02

    申请号：US15602710

    申请日：2017-05-23

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： Masakazu Umehara ,  Takahiro Kuhara ,  Shingo Komura

    IPC分类号： H01M4/04 ,  H01M4/62 ,  H01M4/139 ,  H01M4/36 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0587 ,  H01M10/0585

    摘要： A method of producing an electrode body includes obtaining a state in which an electrode active material layer in a wet state which includes a first solid component containing electrode active material particles and a first liquid phase component and which includes the first solid component at a weight ratio in a range of 70 to 85% is present on the collecting foil, and applying an insulating particle paint which includes a second solid component containing insulating particles and a second liquid phase component and which includes the second solid component at a weight ratio in a range of 35 to 50% onto the electrode active material layer in the wet state, wherein a surface tension value of the first liquid phase component is in a range of 90 to 110% of a surface tension value of the second liquid phase component.

    Manufacturing method and manufacturing apparatus of electrode body
    6.
    发明授权
    Manufacturing method and manufacturing apparatus of electrode body 有权

    公开(公告)号：US10164232B2

    公开(公告)日：2018-12-25

    申请号：US15270501

    申请日：2016-09-20

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： Masakazu Umehara ,  Takahiro Kuhara ,  Shingo Komura

    IPC分类号： H01M2/16 ,  H01M4/04 ,  H01M10/04 ,  H01M10/0585

    摘要： An electrode body comprising a positive electrode mixture layer, a negative electrode mixture layer, and a thermoplastic-resin separator layer interposed therebetween is manufactured. A manufacturing method of the electrode body includes a preprocessing step of preprocessing a portion to be cut in a long-strip shaped integrated structure in which the separator layer as an accumulated layer of resin particles are interposed at least between the positive and negative electrode mixture layers such that the positive electrode mixture layer, the negative electrode mixture layer, and the separator layer are lowered their volume porosities to 10 to 20%, 10 to 20%, and 5% or less, respectively, and a cutting step of cutting the portion of the long-strip shaped integrated structure having been lowered the volume porosity by a cutting blade.

    Separator-integrated electrode plate and capacitor element
    8.
    发明授权
    Separator-integrated electrode plate and capacitor element 有权

    公开(公告)号：US10665843B2

    公开(公告)日：2020-05-26

    申请号：US15675886

    申请日：2017-08-14

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： Shingo Komura

    IPC分类号： H01G11/52 ,  H01M10/42 ,  H01M2/16 ,  H01M10/0525 ,  H01M10/052 ,  H01G9/02 ,  H01M10/0585

    摘要： A separator-integrated electrode plate includes a current collecting sheet; an active material layer provided on the current collecting sheet, and a separator layer provided on the active material layer and configured to allow ions in electrolyte to pass through. The separator layer includes a polyimide layer provided on the active material layer and made of polyimide that has been melted in a solvent and then deposited as a film, and a polyolefin particle layer provided on the polyimide layer and made of polyolefin resin particles accumulated on the polyimide layer, the polyolefin resin particles having a melting point of 140° C. or less.