发明授权
- 专利标题： Positive electrode active element and lithium secondary battery
- 专利标题（中）： 正极活性元素和锂二次电池
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申请号： US12861013申请日： 2010-08-23
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公开(公告)号： US08790830B2公开(公告)日： 2014-07-29
- 发明人: Yukinobu Yura , Nobuyuki Kobayashi , Tsutomu Nanataki , Kazuyuki Kaigawa
- 申请人： Yukinobu Yura , Nobuyuki Kobayashi , Tsutomu Nanataki , Kazuyuki Kaigawa
- 申请人地址： JP Nagoya
- 专利权人： NGK Insulators, Ltd.
- 当前专利权人： NGK Insulators, Ltd.
- 当前专利权人地址： JP Nagoya
- 代理机构： Burr & Brown, PLLC
- 优先权： JP2009-225125 20090929; JP2010-140076 20100621
- 主分类号： H01M4/50
- IPC分类号： H01M4/50
摘要：
A positive electrode active material containing a large number of crystal grains which contain, by 70 areal % or more, primary particles of non-octahedral shape, having particle diameters of 5 to 20 μm, and composed of lithium manganate of spinel structure containing lithium and manganese as the constituent elements.
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