公开(公告)号：US20240304791A1

公开(公告)日：2024-09-12

申请号：US17923610

申请日：2022-04-18

申请人： HENGDIAN GROUP DMEGC MAGNETICS CO., LTD.

发明人： Haoyang ZHANG ,  Yisheng JIANG ,  Zhanzhou WANG

IPC分类号： H01M4/36 ,  C01G53/00 ,  H01M4/02 ,  H01M4/505 ,  H01M4/525 ,  H01M10/054

CPC分类号： H01M4/366 ,  C01G53/50 ,  H01M4/505 ,  H01M4/525 ,  H01M10/054 ,  C01P2004/84 ,  C01P2006/40 ,  H01M2004/028

摘要： The present disclosure provides a sodium ion cathode electrode material, a preparation method thereof, and a sodium ion battery. The sodium ion cathode electrode material includes a manganese-based cathode electrode material and a coating layer coated on the manganese-based cathode electrode material. A general chemical formula of the manganese-based cathode electrode material is NaxMnyM1-yO2, herein M is selected from any one of Cu, Fe, Co, and Ni, and 0.5≤x≤1, 0.5≤y≤1, the coating layer is a lithium-containing ternary material, and a general chemical formula of the lithium-containing ternary material is LiNiaCobMncO2, 0