- 专利标题： NEGATIVE ELECTRODE MATERIAL, COMPOSITE NEGATIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, SECONDARY BATTERY, AND TERMINAL DEVICE
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申请号： EP22762519.1申请日： 2022-03-01
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公开(公告)号： EP4290609A1公开(公告)日： 2023-12-13
- 发明人: LI, Zhengjie , SUN, Yongming , XIA, Shengan , LI, Yangxing , XIE, Fengchao
- 申请人： Huawei Technologies Co., Ltd.
- 申请人地址： CN Shenzhen, Guangdong 518129 Huawei Administration Building Bantian Longgang District
- 代理机构： MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB
- 优先权： CN202110225698 20210301
- 国际公布： WO2022184054 20220909
- 主分类号： H01M4/36
- IPC分类号： H01M4/36 ; H01M10/00 ; H01M10/0525 ; H01M4/58
摘要：
This application provides an anode material, a composite anode material, a preparation method thereof, a secondary battery, and a terminal device. The anode material includes a core (01) and a coating layer (02) disposed on a surface of the core. The core (01) is a substance that can be reversibly inserted into or removed from a cathode material active ion or a substance that can perform reversible oxidation-reduction reaction with the cathode material active ion. A material of the coating layer (02) includes AxMy, where 0
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