- 专利标题： Cathode active material for lithium-ion secondary batteries, method for producing same, and lithium-ion secondary battery comprising same
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申请号： US15540519申请日： 2015-08-21
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公开(公告)号： US10468673B2公开(公告)日： 2019-11-05
- 发明人: Ji Yoon Kim , Dong Gyu Chang , Jong Min Kim , Mi Sun Lee , Young Joo Chae
- 申请人： Samsung SDI Co., Ltd.
- 申请人地址： KR Yongin-si
- 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-si
- 代理机构： Lewis Roca Rothgerber Christie LLP
- 优先权： KR10-2014-0193323 20141230
- 国际申请： PCT/KR2015/008732 WO 20150821
- 国际公布： WO2016/108384 WO 20160707
- 主分类号： H01M4/36
- IPC分类号： H01M4/36 ; H01M4/485 ; H01M4/525 ; H01M4/02 ; H01M10/0525 ; H01M4/58 ; H01M10/052
摘要：
Provided are a positive active material for a lithium secondary battery, a method of preparing the positive active material, and a lithium ion secondary battery including the positive active material, the positive active material including a lithium-containing compound represented by the formula of Li2−xM′O3−y (wherein M′ is at least one element selected from Mg, Al, Ca, Ti, V, Cr, Fe, Cu, Zn, Ga, Sr, Y, Zr, Nb, Mo, Ru, and F; 0≤x≤1; and 0≤y≤3) on a surface or inside of a lithium metal oxide represented by the formula of Li1−xNiyM1−yO2−z (wherein M is at least one element selected from Co and Mn; 0≤x≤0.05; 0.6≤y≤1; and 0≤z≤0.05).
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