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    ALL SOLID BATTERY AND EVALUATION METHOD OF THE SAME
    52.
    发明公开
    ALL SOLID BATTERY AND EVALUATION METHOD OF THE SAME 审中-公开

    公开(公告)号：US20240283042A1

    公开(公告)日：2024-08-22

    申请号：US18689283

    申请日：2022-08-12

    Applicant: TAIYO YUDEN CO., LTD.

    Inventor： Ryoichi WATABE ,  Chie KAWAMURA

    IPC: H01M10/48 ,  H01M10/0585 ,  H01M10/44 ,  H02J7/00

    CPC classification number: H01M10/48 ,  H01M10/0585 ,  H01M10/44 ,  H01M2300/0065 ,  H02J7/0047

    Abstract: An all solid battery includes a solid electrolyte layer, a first electrode layer that is provided on a first main face of the solid electrolyte layer and includes an electrode active material, and a second electrode layer that is provided on a second main face of the solid electrode layer and includes an electrode active material. when the all solid battery is heated with an increase rate of 20° C./min, CO2 of 30 mg/cm3 or more and 53 mg/cm3 or less is externally generated from the all solid battery from 550° C. to 700° C. and CO2 of 90 mg/cm3 or more and 155 mg/cm3 or less is externally generated from the all solid battery from 550° C. to 750° C., per a unit volume (cm3) of the all solid battery.

    METHOD OF MANUFACTURING SOLID-STATE BATTERY, AND SOLID-STATE BATTERY
    53.
    发明公开
    METHOD OF MANUFACTURING SOLID-STATE BATTERY, AND SOLID-STATE BATTERY 审中-公开

    公开(公告)号：US20240283030A1

    公开(公告)日：2024-08-22

    申请号：US18442720

    申请日：2024-02-15

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA ,  Panasonic Holdings Corporation

    Inventor： Sachie AKIBA ,  Akio KANEYAMA

    IPC: H01M10/0585 ,  H01M4/62 ,  H01M10/0562

    CPC classification number: H01M10/0585 ,  H01M4/621 ,  H01M10/0562 ,  H01M2300/0065

    Abstract: The method of manufacturing a solid-state battery includes preparing a solid-state battery having an electrode body that has a positive electrode layer, a solid electrolyte layer, a negative electrode layer and an insulating layer and in which the positive electrode layer, the solid electrolyte layer and the negative electrode layer are layered in that order, and the insulating layer is disposed so as to contact a surface, which is at the positive electrode layer side, of the solid electrolyte layer in a layering direction, and so as to contact side surfaces of the positive electrode layer in a direction orthogonal to the layering direction and a longitudinal direction of the electrode body; and hot pressing the solid-state battery from both sides in the layering direction, wherein the insulating layer contains a first binder having a reaction force at a temperature of the hot pressing of from 0.60 N/mm2 to 1.50 N/mm2, and the positive electrode layer and the solid electrolyte layer contain a second binder having a reaction force at the temperature of the hot pressing of from 0.01 N/mm2 to 0.40 N/mm2.

    Sealed battery
    58.
    发明授权
    Sealed battery 有权

    公开(公告)号：US12057591B2

    公开(公告)日：2024-08-06

    申请号：US17339014

    申请日：2021-06-04

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Ryo Kagami

    IPC: H01M50/197 ,  H01M10/04 ,  H01M10/0585 ,  H01M50/124 ,  H01M50/553

    CPC classification number: H01M50/197 ,  H01M10/0413 ,  H01M10/0436 ,  H01M10/0585 ,  H01M50/124 ,  H01M50/553

    Abstract: Provided is a technique capable of suppressing movement of an electrode body inside an exterior body. According to the technique disclosed herein, a sealed battery is provided, which includes an electrode body having a wide face having a rectangular shape, an exterior body made of a laminated film, and positive electrode and negative electrode current collector terminals. The exterior body includes a housing part housing the electrode body, and a sealed part formed around the housing part to isolate the inside and the outside of the exterior body from each other. The housing part has a flat face facing the wide face of the electrode body and four side walls corresponding to four sides of the wide face respectively, the four side walls being formed so as to rise from the sealed part toward the flat face. A pair of the side walls corresponding to long sides of the wide face curves toward the electrode body and inward of the exterior body so as to closely approach the electrode body.

    Solid-State Traction Battery Having Battery Cells with Overhanging Electrode
    59.
    发明公开
    Solid-State Traction Battery Having Battery Cells with Overhanging Electrode 审中-公开

    公开(公告)号：US20240243365A1

    公开(公告)日：2024-07-18

    申请号：US18097671

    申请日：2023-01-17

    Applicant: Ford Global Technologies, LLC

    Inventor： Xin Liu ,  Andrew Robert Drews ,  Christian Edward Shaffer ,  Hyukkeun Oh

    IPC: H01M10/0585 ,  B60L50/64 ,  H01M10/0525

    CPC classification number: H01M10/0585 ,  B60L50/64 ,  H01M10/0525 ,  H01M2220/20

    Abstract: A battery cell of a solid-state battery, such as a solid-state traction battery of an electrified vehicle, includes first and second electrodes and a solid electrolyte sandwiched between the electrodes in a stack. The first electrode overhangs the second electrode in the stack. The solid electrolyte may have a surface area that is the same as the surface area of the first electrode with the solid electrolyte together with the first electrode overhang the second electrode in the stack. The battery cell may further include a current collector having a main portion and a tab region extending therefrom. The current collector is arranged in the stack with the second electrode sandwiched between the main portion of the current collector and the solid electrolyte and with the first electrode overhanging the tab region of the current collector. An electrical insulation layer is applied to the tab region of the current collector.

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