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    LEAD STORAGE BATTERY
    136.
    发明公开
    LEAD STORAGE BATTERY 审中-公开

    公开(公告)号：EP3680977A1

    公开(公告)日：2020-07-15

    申请号：EP18873325.7

    申请日：2018-10-05

    申请人： GS Yuasa International Ltd.

    发明人： KYO, Masaaki ,  INAGAKI, Satoshi ,  WADA, Hidetoshi

    IPC分类号： H01M10/06 ,  H01M2/18 ,  H01M4/14 ,  H01M4/62 ,  H01M10/12

    摘要： A lead-acid battery includes a positive electrode plate, a negative electrode plate, a separator interposed between the positive electrode plate and the negative electrode plate, and an electrolyte solution. The separator includes a rib on at least the negative electrode plate side. The negative electrode plate includes a negative electrode material, and the negative electrode material contains carbon particles. The carbon particles include first carbon particles having a particle size of less than 32 µm, and the first carbon particles include second carbon particles having a particle size smaller than an average pore size of the separator. A content of the first carbon particles in the negative electrode material is 0.2% by mass or more and 2% by mass or less.