公开(公告)号：US20230117186A1

公开(公告)日：2023-04-20

申请号：US17939983

申请日：2022-09-08

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Dongyang SHI ,  Ning CHEN ,  Shuangshuang LIU ,  Sitong LIU

IPC: H01M4/48 ,  H01M4/04 ,  H01M4/583 ,  H01M10/0525

Abstract: Provided in the present application is a negative electrode plate comprising a current collector and a coating applied to at least one surface of the current collector, the coating comprising a negative electrode active material and a metal powder, wherein the electrode potential of the metal powder in the coating relative to lithium may be between 1.6 and 3.5 V, the negative electrode active material may be a silicon-based material, and relative to the total weight of the silicon-based material and the metal powder, the proportion by weight of the metal powder may be 5 to 20% and the proportion by weight of the silicon-based material may be 80 to 95%.