基本信息:
- 专利标题： SECONDARY-BATTERY POSITIVE ELECTRODE
- 申请号：EP21850915.6 申请日：2021-06-24
- 公开(公告)号：EP4191701A1 公开(公告)日：2023-06-07
- 发明人： ASAKA Keisuke , SAKATA Motohiro
- 申请人： Panasonic Intellectual Property Management Co., Ltd.
- 申请人地址： JP Osaka-shi, Osaka 540-6207 1-61, Shiromi 2-chome, Chuo-ku,
- 代理机构： Novagraaf International SA
- 优先权： JP2020129944 20200731
- 国际公布： WO2022024605 20220203
- 主分类号： H01M4/131
- IPC分类号： H01M4/131 ; H01M4/505 ; H01M4/525 ; H01M4/62
摘要：
The positive electrode for a secondary battery includes a positive electrode mixture layer including a positive electrode active material and a conductive material; the positive electrode active material includes a lithium transition metal composite oxide including at least Ni; and the conductive material includes a carbon fiber having an average fiber diameter d of 5 µm or more and 30 µm or less, and an average fiber length L of 50 µm or more and 2000 µm or less.
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 |
| ------------H01M4/131 | ...基于混合氧化物或氢氧化物、或氧化物或氢氧化物的混合物的电极，例如LiCoOx的 |