发明授权
- 专利标题： Positive active material and nonaqueous electrolyte secondary battery
- 专利标题（中）： 正极活性物质和非水电解质二次电池
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申请号： US11300081申请日： 2005-12-14
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公开(公告)号： US08298707B2公开(公告)日： 2012-10-30
- 发明人: Takehiko Tanaka , Yosuke Hosoya , Yoshikatsu Yamamoto , Kiyohiko Suzuki , Keizo Koga
- 申请人： Takehiko Tanaka , Yosuke Hosoya , Yoshikatsu Yamamoto , Kiyohiko Suzuki , Keizo Koga
- 申请人地址： JP Tokyo
- 专利权人： Sony Corporation
- 当前专利权人： Sony Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： SNR Denton US LLP
- 优先权： JPP2000-403455 20001228; JPP2000-403460 20001228; JPP2000-403463 20001228
- 主分类号： H01M4/48
- IPC分类号： H01M4/48 ; H01M4/52
摘要：
A positive active material including a compound expressed by a general formula LimMxM′yM″zO2 (here, M designates at least one kind of element selected from Co, Ni and Mn, M′ designates at least one kind of element selected from Al, Cr, V, Fe, Cu, Zn, Sn, Ti, Mg, Sr, B, Ga, In, Si and Ge, and M″ designates at least one kind of element selected from Mg, Ca, B and Ga. Further, x is designated by an expression of 0.9≦x
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