发明授权
- 专利标题： Lithium ion secondary battery and method for manufacturing the same
- 专利标题（中）： 锂离子二次电池及其制造方法
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申请号： US13805565申请日： 2011-07-29
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公开(公告)号： US08956762B2公开(公告)日： 2015-02-17
- 发明人: Ryuichi Kasahara , Jiro Iriyama , Tetsuya Kajita , Hiroo Takahashi , Tatsuji Numata , Daisuke Kawasaki
- 申请人： Ryuichi Kasahara , Jiro Iriyama , Tetsuya Kajita , Hiroo Takahashi , Tatsuji Numata , Daisuke Kawasaki
- 申请人地址： JP Tokyo JP Kanagawa
- 专利权人： NEC Corporation,NEC Energy Devices, Ltd.
- 当前专利权人： NEC Corporation,NEC Energy Devices, Ltd.
- 当前专利权人地址： JP Tokyo JP Kanagawa
- 代理机构： Sughrue Mion, PLLC
- 优先权： JP2010-170760 20100729; JP2011-047784 20110304
- 国际申请： PCT/JP2011/067449 WO 20110729
- 国际公布： WO2012/015033 WO 20120202
- 主分类号： H01M4/134
- IPC分类号： H01M4/134 ; H01M4/38 ; H01M4/04 ; H01M4/1395 ; H01M4/62 ; H01M10/0525 ; H01M10/0585
摘要：
In a lithium ion secondary battery including a positive electrode, a separator, a negative electrode, and a package body, the negative electrode includes simple substance silicon as a negative electrode active material, and a negative electrode binder, and is doped with lithium, and the following formulas (1) and (2) are satisfied: 1.2≦Ma/Mc≦1.9 (1) 1.0
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