- 专利标题: GRAPHITE-BASED ANODE MATERIAL AND PREPARATION METHOD THEREFOR
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申请号: EP22898851.5申请日: 2022-10-20
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公开(公告)号: EP4439711A1公开(公告)日: 2024-10-02
- 发明人: LEE, Ga Eul , JUNG, Ji Kwon , LEE, Heon Young , LEE, Kyoung Muk , KWON, Hae Jun , MIN, Jin Wook
- 申请人: Posco Future M Co., Ltd
- 申请人地址: KR Pohang-si, Gyeongsangbuk-do 37918 110, Sinhang-ro Nam-gu
- 专利权人: Posco Future M Co., Ltd
- 当前专利权人: Posco Future M Co., Ltd
- 当前专利权人地址: KR Pohang-si, Gyeongsangbuk-do 37918 110, Sinhang-ro Nam-gu
- 代理机构: Meissner Bolte Partnerschaft mbB
- 优先权: KR 210163061 2021.11.24
- 国际申请: KR2022015995 2022.10.20
- 国际公布: WO2023096169 2023.06.01
- 主分类号: H01M4/36
- IPC分类号: H01M4/36 ; H01M4/587 ; H01M4/62 ; H01M10/0569 ; H01M10/0525 ; C01B32/21
摘要:
The present exemplary embodiments relate to a graphite-based negative electrode material, a method of manufacturing the same, a negative electrode including the same, and a lithium secondary battery including the same. The graphite-based negative electrode material according to an exemplary embodiment includes: a graphite oxide obtained by oxidizing a surface of first graphite, and a graphite coating including second graphite and low crystalline carbon positioned on a surface of the second graphite, wherein the graphite coating to the graphite oxide is 1/9 to 1/3.
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