发明申请
- 专利标题: Nonaqueous electrolyte secondary battery
- 专利标题(中): 非水电解质二次电池
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申请号: US10563124申请日: 2005-02-18
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公开(公告)号: US20060166096A1公开(公告)日: 2006-07-27
- 发明人: Koji Abe , Kazuhiro Miyoshi , Yasufumi Takahashi , Hiroyuki Fujimoto , Akira Kinoshita , Shingo Tode , Ikuro Nakane , Shin Fujitani
- 申请人: Koji Abe , Kazuhiro Miyoshi , Yasufumi Takahashi , Hiroyuki Fujimoto , Akira Kinoshita , Shingo Tode , Ikuro Nakane , Shin Fujitani
- 优先权: JP2004-099430 20040330
- 国际申请: PCT/JP05/02576 WO 20050218
- 主分类号: H01M4/58
- IPC分类号: H01M4/58 ; H01M4/52 ; H01M10/40
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.