- 专利标题： POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
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申请号： EP21911357.8申请日： 2021-12-13
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公开(公告)号： EP4266407A1公开(公告)日： 2023-10-25
- 发明人: NAM, Sang Cheol , CHOI, Kwon Young , SONG, Jung Hoon , LEE, Sanghyuk
- 申请人： POSCO Holdings Inc. , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY , POSCO Chemical Co., Ltd
- 申请人地址： KR Seoul 06194 440, Teheran-ro Gangnam-gu; KR Pohang-si, Gyeongsangbuk-do 37673 67 Cheongam-ro, Nam-gu,; KR Gyeongsangbuk-do 37918 (Cheongnim-dong) 110, Sinhang-ro Nam-gu Pohang-si
- 代理机构： Potter Clarkson
- 优先权： KR20200179584 20201221
- 国际公布： WO2022139290 20220630
- 主分类号： H01M4/36
- IPC分类号： H01M4/36 ; H01M4/525 ; H01M4/505 ; H01M4/62 ; C01G53/00 ; H01M10/052
摘要：
The present exemplary embodiments provide a positive electrode active material, a manufacturing method thereof, and a lithium secondary battery including the same. The positive electrode active material according to an exemplary embodiment is a metal oxide particle including a center and a surface portion positioned on the surface of the center, but the metal oxide particle is composed of a single particle, and the surface portion includes a film in which no peak is observed during XRD measurement.
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