公开(公告)号：US20230223521A1

公开(公告)日：2023-07-13

申请号：US18108515

申请日：2023-02-10

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chengdu LIANG ,  Yongchao LIU ,  Na LIU ,  Yingjie GUAN ,  Qisen HUANG ,  Wei FU

IPC: H01M4/36 ,  H01M4/58 ,  H01M4/525 ,  H01M4/505 ,  H01M4/131 ,  C01G53/00

CPC classification number: H01M4/366 ,  H01M4/5825 ,  H01M4/525 ,  H01M4/505 ,  H01M4/131 ,  C01G53/50 ,  C01P2004/51

Abstract: The present invention relates to an electrode active material, a preparation method thereof, an electrode, a battery, and an apparatus. The electrode active material includes: a core and a coating layer, where the core includes a ternary material, the coating layer coats the core, the coating layer includes a reaction product of a sulfur-containing compound and a lithium-containing compound, and the reaction product includes element Li, element S, and element O.