国家/地区 中国（3） 世界知识产权组织（2）
IPC部 H（4）
IPC大类 H01（4）
IPC小类 H01M（4）
IPC H01M004/13（4） H01M010/0525（4） H01M004/525（2）
H01M004/62（2） H01M004/66（2）
发明人 LIU S（4）
公开年 2021（3）
申请年 2020（3） 
专利权人 NINGDE AMPEREX TECHNOLOGY LTD（4）

Electrochemical device, e.g., lithium ion battery for use in electronic device, comprises electrolyte having compound with sulfur-oxygen double bond, and intermediate layer and active material layer having specific area ratio.

WANG K, HAN D, GUO J, LIU S

Anode useful in electrochemical device and electronic device, comprises e.g. anode active material layer located on current collector, where anode active material layer comprises anode active material and graphene.

WANG K, HAN D, LIU S, CAI X

Anode pole piece used in electrochemical device of electronic device, has anode active material layer arranged on two surfaces of anode current collector, where mass percentage of graphene in active material layer is in specific range.

LIU S, HAN D, ZHANG Q, ZHU R

Performing metal foil treatment process for electrode pole piece of electrochemical device, involves carrying out plasma treatment on the surface of the metal foil, and collecting above-mentioned plasma-treated metal foil into a roll.

LIU X, WANG K, LIU S, ZHANG Q