发明公开
EP4456180A1 NEGATIVE ELECTRODE MATERIAL FOR SECONDARY BATTERY, AND PREPARATION METHOD THEREOF
审中-实审
基本信息:
- 专利标题： NEGATIVE ELECTRODE MATERIAL FOR SECONDARY BATTERY, AND PREPARATION METHOD THEREOF
- 申请号：EP22911722.1 申请日：2022-12-09
- 公开(公告)号：EP4456180A1 公开(公告)日：2024-10-30
- 发明人： LEE, Seunggwan , JEONG, Eunhye , CHI, Eunok
- 申请人： OCI Company Ltd.
- 申请人地址： KR Seoul 04532 94 Sogong-ro Jung-gu
- 专利权人： OCI Company Ltd.
- 当前专利权人： OCI Company Ltd.
- 当前专利权人地址： KR Seoul 04532 94 Sogong-ro Jung-gu
- 代理机构： Zacco Sweden AB
- 优先权： KR 210185025 2021.12.22
- 国际申请： KR2022020070 2022.12.09
- 国际公布： WO2023121089 2023.06.29
- 主分类号： H01M4/134
- IPC分类号： H01M4/134 ; H01M4/131 ; H01M4/36 ; H01M4/48 ; H01M4/38 ; H01M4/62 ; H01M4/587 ; H01M4/1395 ; H01M4/1391
摘要：
Disclosed are a negative electrode material for a secondary battery and a preparation method thereof, the negative electrode material enhancing the initial discharge capacity, initial efficiency and life characteristics of the secondary battery. The negative electrode material for a secondary battery according to the present disclosure comprises an active material having a carbon-coated surface, a conductive material, and a binder. The active material comprises a magnesium-doped composite. The magnesium-doped composite comprises silicon oxide (SiOx, 0.5
IPC结构图谱:
| H | 电学 |
| --H01 | 基本电气元件 |
| ----H01M | 用于直接转变化学能为电能的方法或装置，例如电池组 |
| ------H01M4/00 | 电极 |
| --------H01M4/02 | .由活性材料组成或包括活性材料的电极 |
| ----------H01M4/06 | ..一次电池的电极 |
| ------------H01M4/134 | ...基于金属、硅或合金的电极 |