发明授权
- 专利标题: Secondary battery
- 专利标题(中): 二次电池
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申请号: US10582855申请日: 2004-12-14
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公开(公告)号: US08227116B2公开(公告)日: 2012-07-24
- 发明人: Daisuke Kawasaki , Yuki Kusachi , Tatsuji Numata , Koji Utsugi
- 申请人: Daisuke Kawasaki , Yuki Kusachi , Tatsuji Numata , Koji Utsugi
- 申请人地址: JP Tokyo
- 专利权人: NEC Corporation
- 当前专利权人: NEC Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Young & Thompson
- 优先权: JP2003-416516 20031215; JP2004-317282 20041029
- 国际申请: PCT/JP2004/018656 WO 20041214
- 国际公布: WO2005/057713 WO 20050623
- 主分类号: H01M6/16
- IPC分类号: H01M6/16 ; H01M6/04 ; H01M4/13 ; H01M4/50 ; H01M4/58
摘要:
A lithium secondary battery which has excellent characteristics such as energy density and electromotive force and is excellent in cycle life and storage stability is provided. The secondary battery comprises a positive electrode, a negative electrode, and an electrolyte solution comprising an aprotic solvent having at least an electrolyte dissolved therein, wherein the positive electrode comprises a lithium-manganese composite oxide having a spinel structure as a positive electrode active material, and the electrolyte solution comprises a compound represented by the general formula (1).
公开/授权文献
- US20070154815A1 Secondary battery 公开/授权日:2007-07-05