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    All-solid battery and method of manufacturing the same
    1.
    发明授权
    All-solid battery and method of manufacturing the same 有权

    公开(公告)号：US11444319B2

    公开(公告)日：2022-09-13

    申请号：US16714593

    申请日：2019-12-13

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： Toshiyuki Kojima ,  Akihiro Horikawa ,  Motohiro Okochi ,  Kazufumi Miyatake

    IPC: H01M6/04 ,  H01M10/0562 ,  H01M4/36 ,  H01M4/02

    Abstract: An all-solid battery includes a positive-electrode layer, a negative-electrode layer, and a solid electrolyte layer. The positive-electrode layer includes a positive-electrode current collector, a positive-electrode bonding layer containing at least a conductive agent comprising non-metal and formed on the positive-electrode current collector, and a positive-electrode mixture layer containing at least a positive-electrode active material and a solid electrolyte and formed on the positive-electrode bonding layer. The negative-electrode layer includes a negative-electrode current collector and a negative-electrode mixture layer containing at least a negative-electrode active material and the solid electrolyte. The solid electrolyte layer is disposed between the positive-electrode mixture layer and the negative-electrode mixture layer and contains the solid electrolyte. A concentration of a binder contained in the positive-electrode mixture layer is less than or equal to 100 ppm and a concentration of a solvent contained in the positive-electrode mixture layer is less than or equal to 50 ppm.

    Method for producing halide
    2.
    发明授权
    Method for producing halide 有权

    公开(公告)号：US12180085B2

    公开(公告)日：2024-12-31

    申请号：US17933097

    申请日：2022-09-17

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： Takashi Kubo ,  Kazufumi Miyatake ,  Keita Mizuno ,  Tetsuya Asano ,  Akihiro Sakai

    IPC: C01F17/36 ,  H01B1/06 ,  H01M10/0562

    Abstract: The production method of the present disclosure includes heat-treating a material mixture containing a compound containing Y, a compound containing Sm, NH4α, Liβ, and Caγ2 in an inert gas atmosphere. The compound containing Y is at least one selected from the group consisting of Y2O3 and Yδ3, and the compound containing Sm is at least one selected from the group consisting of Sm2O3 and Smε3. The material mixture contains at least one selected from the group consisting of Y2O3 and Sm2O3, and α, β, γ, δ, and ε are each independently at least one selected from the group consisting of F, Cl, Br, and I.

    All-solid-state battery
    3.
    发明授权
    All-solid-state battery 有权

    公开(公告)号：US11431023B2

    公开(公告)日：2022-08-30

    申请号：US16703354

    申请日：2019-12-04

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： Kazufumi Miyatake ,  Akihiro Horikawa ,  Motohiro Okochi

    IPC: H01M10/0562 ,  H01M4/02 ,  H01M4/13 ,  H01M10/0525 ,  H01M10/0585 ,  H01M4/62

    Abstract: An all-solid-state battery includes: a positive electrode layer including a positive electrode current collector and a positive electrode mixture layer; a negative electrode layer including a negative electrode current collector and a negative electrode mixture layer; and a solid electrolyte layer. The solid electrolyte layer is disposed between the positive electrode mixture layer and the negative electrode mixture layer. On a plane perpendicular to a stacking axis, an area of the negative electrode mixture layer is larger than an area of the positive electrode mixture layer. On the stacking axis, an entire portion of the positive electrode mixture layer overlaps a portion of the negative electrode mixture layer.

    All-solid-state battery
    6.
    发明授权
    All-solid-state battery 有权

    公开(公告)号：US11476503B2

    公开(公告)日：2022-10-18

    申请号：US16701198

    申请日：2019-12-03

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： Kazufumi Miyatake ,  Motohiro Okochi ,  Akihiro Horikawa

    IPC: H01M10/0585 ,  H01M10/0525

    Abstract: An all-solid-state battery includes: a positive electrode layer including a positive electrode current collector and a positive electrode mixture layer; a negative electrode layer including a negative electrode current collector and a negative electrode mixture layer; and a solid electrolyte layer. The solid electrolyte layer is disposed between the positive electrode mixture layer and the negative electrode mixture layer. A weight per unit area of a first portion of the negative electrode mixture layer overlapping the positive electrode mixture layer on a stacking axis is greater than a weight per unit area of a second portion of the negative electrode mixture layer not overlapping the positive electrode mixture layer on the stacking axis.

    All-solid battery
    8.
    发明授权
    All-solid battery 有权

    公开(公告)号：US11342592B2

    公开(公告)日：2022-05-24

    申请号：US16714604

    申请日：2019-12-13

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： Akihiro Horikawa ,  Kazufumi Miyatake ,  Motohiro Okochi

    IPC: H01M10/0585 ,  H01M4/13 ,  H01M4/36 ,  H01M10/0525 ,  H01M10/0562 ,  H01M4/02

    Abstract: An all-solid battery includes a positive-electrode layer having a positive-electrode current collector and a positive-electrode mixture layer, a negative-electrode layer having a negative-electrode current collector and a negative-electrode mixture layer, and a solid electrolyte layer. The positive-electrode mixture layer contains a positive-electrode active material and a solid electrolyte. The solid electrolyte layer is disposed between the positive-electrode mixture layer and the negative-electrode mixture layer. In the positive-electrode mixture layer, the active material volume proportion is larger and the porosity is smaller in a portion closer to the positive-electrode current collector than in a portion far from the positive-electrode current collector.

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