发明申请
- 专利标题： NEGATIVE ELECTRODE ACTIVE MATERIAL FOR ELECTRIC DEVICE, NEGATIVE ELECTRODE FOR ELECTRIC DEVICE AND ELECTRIC DEVICE
- 专利标题（中）： 用于电气设备的负极活性材料，用于电气设备和电气设备的负极
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申请号： US14003167申请日： 2012-03-06
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公开(公告)号： US20140001401A1公开(公告)日： 2014-01-02
- 发明人: Manabu Watanabe , Osamu Tanaka , Masao Yoshida
- 申请人： Manabu Watanabe , Osamu Tanaka , Masao Yoshida
- 专利权人： NISSAN MOTOR CO., LTD.
- 当前专利权人： NISSAN MOTOR CO., LTD.
- 优先权： JP2011-048813 20110307; JP2011-116891 20110525
- 国际申请： PCT/JP2012/055667 WO 20120306
- 主分类号： H01M4/38
- IPC分类号： H01M4/38 ; H01G4/008
摘要：
A negative electrode active material for an electric device includes an alloy containing silicon in a range from 27% by mass to 100% by mass exclusive, aluminum in a range from 0% by mass to 73% by mass exclusive, niobium in a range from 0% by mass to 58% by mass exclusive, and inevitable impurities as a residue. The negative electrode active material can be obtained with a multi DC magnetron sputtering apparatus by use of, for example, silicon, aluminum and niobium as targets. An electric device using the negative electrode active material can achieve a high cycle property while keeping a high discharge property.
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