发明名称 |
Nonaqueous electrolyte secondary battery using lithium cobalt oxide as a positive active material and a nonaqueous electrolyte containing a sulfonyl-containing compound |
摘要 |
A nonaqueous electrolyte secondary battery including a negative electrode containing a graphite material as the negative active material, a positive electrode containing lithium cobalt oxide as a main component of the positive active material and a nonaqueous electrolyte solution, the battery being characterized in that the lithium cobalt oxide contains a group IVA element and a group IIA element of the periodic table, the nonaqueous electrolyte solution contains 0.2-1.5% by weight of a sulfonyl-containing compound and preferably further contains 0.5-4% by weight of vinylene carbonate.
|
申请公布号 |
US7767343(B2) |
申请公布日期 |
2010.08.03 |
申请号 |
US20050563124 |
申请日期 |
2005.02.18 |
申请人 |
UBE INDUSTRIES LTD.;SANYO ELECTRIC CO., LTD. |
发明人 |
ABE KOJI;MIYOSHI KAZUHIRO;TAKAHASHI YASUFUMI;FUJIMOTO HIROYUKI;KINOSHITA AKIRA;TODE SHINGO;NAKANE IKURO;FUJITANI SHIN |
分类号 |
H01M4/58;H01M10/40;H01M4/02;H01M4/48;H01M4/52;H01M6/16;H01M10/36;H01M10/42 |
主分类号 |
H01M4/58 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|