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    METHOD FOR PRODUCING LAYERED BATTERY, AND LAYERED BATTERY
    1.
    发明公开
    METHOD FOR PRODUCING LAYERED BATTERY, AND LAYERED BATTERY 审中-实审

    公开(公告)号：EP4391141A1

    公开(公告)日：2024-06-26

    申请号：EP23216462.4

    申请日：2023-12-13

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： OKURA, Toshinori ,  TERANISHI, Tadashi ,  MORI, Hideto

    IPC分类号： H01M10/0585 ,  H01M50/184 ,  H01M50/186 ,  H01M50/197 ,  H01M50/627 ,  H01M50/636 ,  H01M10/04

    CPC分类号： H01M10/0418 ,  H01M10/044 ,  H01M10/0585 ,  H01M50/184 ,  H01M50/186 ,  H01M50/197 ,  H01M50/627 ,  H01M50/636

    摘要： A main object of the present disclosure is to provide a method for producing a layered battery with which a layered battery with high structural reliability can be produced. The present disclosure achieves the object by providing the method including: a preparing step of preparing an electrode layered body including a plurality of electrode layered in a z axis direction; an arranging step of arranging a liquid injection frame made of a resin including a liquid injection port, in a side surface of the electrode layered body; a liquid injection step of injecting a liquid electrolyte into the electrode layered body from the liquid injection port of the liquid injection frame; a first sealing step of sealing the liquid injection port by arranging a first member including a resin layer A on a surface of the liquid injection frame, of which normal direction is an x axis direction orthogonal to the z axis direction, after the liquid injection step; a battery treatment step of performing at least one of charging and aging after the first sealing step; a penetration hole forming step of forming a penetration hole communicating the liquid injection port in the first member after the battery treatment step; and a second sealing step of sealing the liquid injection port while covering the penetration hole by using a second member including a resin layer B and a metal layer, and arranging the resin layer B in the second member on a surface of the first member of which normal direction is the x axis direction.

    METHOD OF MANUFACTURING POWER STORAGE MODULE AND POWER STORAGE MODULE
    3.
    发明公开
    METHOD OF MANUFACTURING POWER STORAGE MODULE AND POWER STORAGE MODULE 审中-公开

    公开(公告)号：EP4187709A1

    公开(公告)日：2023-05-31

    申请号：EP22197044.5

    申请日：2022-09-22

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： OKURA, Toshinori ,  MORI, Hideto ,  SUZUKI, Shinji

    IPC分类号： H01M50/645

    摘要： A method of manufacturing a power storage module (1) includes a preparation process of preparing at least one power storage cell (10) each having a pouring port (16h), a fixing process of attaching and fixing a sealing member (20) to a pouring member (16), a measurement process of measuring the shape of the sealing member (20), a pressure reduction process of reducing the pressure in the power storage cell (10), a re-measuring process of measuring the shape of the sealing member (20) again after the pressure reduction process, and a determination process of calculating the displacement amount of the sealing member (20) based on a measurement result in the measurement process and a measurement result in the re-measuring process, and determining that the internal pressure of the power storage cell (10) is appropriate when the displacement amount is equal to or greater than a reference value.