- 专利标题： POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRIC APPARATUS
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申请号： US18527284申请日： 2023-12-02
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公开(公告)号： US20240120480A1公开(公告)日： 2024-04-11
- 发明人: Yao JIANG , Xinxin ZHANG , Chuying OUYANG , Bin DENG , Tianci YUAN , Zhiqiang WANG , Bo XU , Shangdong CHEN
- 申请人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- 申请人地址： CN Ningde
- 专利权人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- 当前专利权人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- 当前专利权人地址： CN Ningde
- 主分类号： H01M4/58
- IPC分类号： H01M4/58 ; H01M4/36 ; H01M4/38 ; H01M4/485 ; H01M4/583 ; H01M4/60 ; H01M4/88 ; H01M10/052
摘要：
A positive electrode active material includes a core containing Li1+xMn1yAyP1−zRzO4, a first coating layer covering the core and containing a crystalline pyrophosphate MaP2O7 and a crystalline oxide M′bOc, and a second coating layer covering the first coating layer.
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