发明授权
- 专利标题: Electrode for secondary battery
- 专利标题(中): 二次电池用电极
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申请号: US971831申请日: 1993-02-19
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公开(公告)号: US5401598A公开(公告)日: 1995-03-28
- 发明人: Mitsutaka Miyabayashi , Manabu Hayashi
- 申请人: Mitsutaka Miyabayashi , Manabu Hayashi
- 申请人地址: JPX Tokyo
- 专利权人: Mitsubishi Petrochemical Co., Ltd.
- 当前专利权人: Mitsubishi Petrochemical Co., Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX3-174787 19910620
- 主分类号: H01M4/133
- IPC分类号: H01M4/133 ; H01M4/36 ; H01M4/587 ; H01M4/66 ; H01M10/05 ; H01H4/02
摘要:
An electrode for a secondary battery is described comprising an alkali metal carried on a carrier composed mainly of a carbonaceous material satisfying the following characteristics (1) and (2), and having a multiphasic structure comprising a nucleus and a surface layer around the nucleus,(1) a true density .rho. of 1.80 g/cm.sup.3 or more, and(2) in the Raman spectrum analysis using an argon ion laser beam with a wavelength of 5145 .ANG., it has a peak P.sub.A in the range of 1580 to 1620 cm.sup.-1 and a peak P.sub.B in the range of 1350 to 1370 cm.sup.-1, and the ratio of intensity I.sub.B Of the P.sub.B to intensity I.sub.A of the P.sub.A, R=I.sub.B /I.sub.A iS 0.4 or more.
公开/授权文献
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