发明授权
- 专利标题： Positive active material and positive electrode and lithium battery including positive active material
- 专利标题（中）： 正极活性物质和正极和锂电池包括正极活性物质
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申请号： US13827526申请日： 2013-03-14
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公开(公告)号： US09406931B2公开(公告)日： 2016-08-02
- 发明人: Mi-Ran Song , Yong-Seon Kim , Yong-Chul Park , Gyeong-Jae Heo , Do-Yu Kim , Hyun-Deok Lee , Jin-Hyoung Seo , Min-Ju Kim
- 申请人： Samsung SDI Co., Ltd.
- 申请人地址： KR Yongin, Gyeonggi-do
- 专利权人： SAMSUNG SDI CO., LTD.
- 当前专利权人： SAMSUNG SDI CO., LTD.
- 当前专利权人地址： KR Yongin, Gyeonggi-do
- 代理机构： Knobbe Martens Olson & Bear LLP
- 优先权： KR10-2012-0084985 20120802
- 主分类号： H01M4/36
- IPC分类号： H01M4/36 ; H01M4/131 ; H01M4/505 ; H01M4/525 ; H01M4/58 ; H01M4/02 ; H01M10/052
摘要：
A positive active material and a lithium battery including the positive active material. The positive active material includes a large diameter active material and a small diameter active material, wherein the small diameter active material includes a Ni-based lithium-transition metal composite oxide and a coating layer including a Mn-containing compound on at least a portion of the surface thereof.
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