公开(公告)号：EP4310057A1

公开(公告)日：2024-01-24

申请号：EP23185369.8

申请日：2023-07-13

申请人： Guizhou Zhenhua E-CHEM Inc.

发明人： ZHOU, Chaoyi ,  XIANG, Qianxin ,  LI, Jinkai ,  WU, Yang ,  WU, Xingping

IPC分类号： C01G53/00 ,  C01G45/00 ,  C01G45/12 ,  C01G49/00 ,  H01M4/00

摘要： The present invention related to the technical field of sodium ion batteries, and particularly related to a mono-crystalline cathode material for sodium-ion battery and a preparation method and battery thereof. The mono-crystalline cathode material for sodium-ion battery has a chemical composition formula of Na 1+a Ni 1-x-y-z Mn x Fe y M z O 2 , wherein -0.40

公开(公告)号：EP4335825A1

公开(公告)日：2024-03-13

申请号：EP23194664.1

申请日：2023-08-31

申请人： Guizhou Zhenhua E-CHEM Inc.

发明人： ZHOU, Chaoyi ,  XIANG, Qianxin ,  WU, Yang ,  LI, Jinkai ,  WU, Xingping ,  GU, Ran

IPC分类号： C01G53/00 ,  H01M4/04 ,  H01M4/1391 ,  H01M4/36 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/054

摘要： The present disclosure is in the technical field of sodium ion batteries, and particularly relates to a cathode material for a sodium ion battery having a coating structure and a preparation method and use thereof. The general chemical formula of the cathode material for a sodium ion battery having a coating structure is Na 1 + a Ni x Mn y Fe z A m B n O 2 , where -0.35≤ a ≤ 0.20, 0.08 x ≤ 0.5, 0.05 y ≤ 0.48, 0.03