发明名称 |
Lithium secondary battery |
摘要 |
Provided is a lithium secondary battery excellent in initial charge/discharge characteristics and high in capacity comprising lithium-rechargeable cathode and anode and a nonaqueous electrolyte, wherein at least one of the cathode and the anode contains one of the following (A), (B) and (C): (A) a composite material comprising a carbon powder and a binder, which is treated with a silane coupling agent, (B) a composite material comprising a binder and a mixed carbon powder containing 70-99% by weight of a graphite powder and 30-1% by weight of a pseudo-graphitic carbon black, and (C) a composite material comprising a composite oxide powder of lithium and a transition metal, a conductive powder and a binder, which is treated with a silane coupling agent.
|
申请公布号 |
US5571638(A) |
申请公布日期 |
1996.11.05 |
申请号 |
US19940313832 |
申请日期 |
1994.09.28 |
申请人 |
SUMITOMO CHEMICAL COMPANY LIMITED |
发明人 |
SATOH, TOMOARI;TATENO, TATSUO;FURUKAWA, YASUHITO;DEGUCHI, TOSHIHISA |
分类号 |
H01M4/02;H01M4/58;H01M4/62;(IPC1-7):H01M2/16 |
主分类号 |
H01M4/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|