发明授权
- 专利标题: Negative electrode material for nonaqueous secondary battery
- 专利标题(中): 非水系二次电池用负极材料
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申请号: US13126968申请日: 2009-10-30
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公开(公告)号: US08697285B2公开(公告)日: 2014-04-15
- 发明人: Hiroyuki Uono , Hideharu Sato , Hitoshi Matsumoto , Atsuyoshi Inoue
- 申请人: Hiroyuki Uono , Hideharu Sato , Hitoshi Matsumoto , Atsuyoshi Inoue
- 申请人地址: JP Tokyo
- 专利权人: Mitsubishi Chemical Corporation
- 当前专利权人: Mitsubishi Chemical Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权: JPP.2008-282025 20081031
- 国际申请: PCT/JP2009/068705 WO 20091030
- 国际公布: WO2010/050595 WO 20100506
- 主分类号: H01M4/133
- IPC分类号: H01M4/133
摘要:
To provide a carbon material capable of suppressing excessive reactivity with an electrolytic solution and excellent in a rapid charge/discharge characteristics.A carbon material for lithium ion secondary batteries, which satisfies: (i) a tap density≧0.75 g/cm3; (ii) a Raman R value≧0.23 and a half width of D band ΔνD
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