公开(公告)号：EP4443630A3

公开(公告)日：2024-10-30

申请号：EP24172681.9

申请日：2020-11-30

申请人： Contemporary Amperex Technology (Hong Kong) Limited

发明人： CHENG, Cong ,  HONG, Haiyi ,  LAN, Yuanyuan ,  YANG, Jianrui ,  LIU, Na ,  JIN, Haizu

IPC分类号： H01M50/446 ,  H01M50/451 ,  H01M50/403 ,  H01M50/417 ,  H01M50/42 ,  H01M50/449 ,  H01M50/489 ,  H01M10/42 ,  H01M50/414 ,  H01M50/431 ,  H01M50/491 ,  H01M50/494 ,  H01M50/443

摘要： The present application relates to a separator in the electrochemical field and a preparation method therefor, and to a secondary battery comprising the separator, a device comprising the secondary battery. The separator of the present application is prepared by a simple process and has excellent heat resistance performance. Moreover, the secondary batteries and devices comprising the separator of the present application have good safety performance and cycling performance.

公开(公告)号：EP4443630A2

公开(公告)日：2024-10-09

申请号：EP24172681.9

申请日：2020-11-30

申请人： Contemporary Amperex Technology (Hong Kong) Limited

发明人： CHENG, Cong ,  HONG, Haiyi ,  LAN, Yuanyuan ,  YANG, Jianrui ,  LIU, Na ,  JIN, Haizu

IPC分类号： H01M50/443

CPC分类号： H01M50/403 ,  H01M50/451 ,  Y02E60/10 ,  H01M50/446 ,  H01M50/414 ,  H01M50/431 ,  H01M50/491 ,  H01M50/494 ,  H01M10/4235 ,  H01M50/417 ,  H01M50/42 ,  H01M50/449 ,  H01M50/489 ,  H01M50/443

摘要： The present application relates to a separator in the electrochemical field and a preparation method therefor, and to a secondary battery comprising the separator, a device comprising the secondary battery. The separator of the present application is prepared by a simple process and has excellent heat resistance performance. Moreover, the secondary batteries and devices comprising the separator of the present application have good safety performance and cycling performance.