公开(公告)号：US20240030495A1

公开(公告)日：2024-01-25

申请号：US17978994

申请日：2022-11-02

申请人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

发明人： Qian ZHAO ,  Guodong DU ,  Qifan ZOU

IPC分类号： H01M10/058 ,  H01M50/547 ,  H01M50/531

CPC分类号： H01M10/058 ,  H01M50/547 ,  H01M50/531 ,  H01M2220/20

摘要： This application discloses an electrode assembly, a battery cell, a battery, and an electric device. The electrode assembly may include a first electrode plate and a second electrode plate that have opposite polarities, where the first electrode plate and the second electrode plate may be stacked. The first electrode plate may include a first active substance portion and a plurality of first inactive substance portions protruding from the first active substance portion, and the plurality of first inactive substance portions may be stacked. A connection layer may be disposed between at least two adjacent first inactive substance portions, and the connection layer may be spaced from the first active substance portion in a first direction and connect two adjacent first inactive substance portions, where the first direction is a direction in which the first inactive substance portions protrude from the first active substance portion.