国家/地区 中国（2）
IPC部 H（2）
IPC大类 H01（2）
IPC小类 H01M（2）
IPC H01M010/0525（2）
发明人 WU F（2）
公开年 2021（2）
申请年
专利权人 NINGDE AMPEREX TECHNOLOGY LTD（2）

Electrochemical device for electronic device, has first current charged with constant current to first voltage, then charge with constant current of second current smaller than first current to second voltage higher than first voltage.

ZHU S, GUAN T, WU F

Pole piece useful for electronic device, has current collector provided with first edge region, second edge region and middle region, and first coating layer set with first and second part, and second coating layer set with active material.

ZHU S, GUAN T, WU F, ZENG Q