国家/地区 中国（2）
IPC部 H（2）
IPC大类 H01（2）
IPC小类 H01G（2）
IPC
发明人 WANG C（2）
公开年 2020（2）
申请年 2019（2） 
专利权人 GUANGDONG POWER GRID CO LTD（2）

Electrode sheet for ultra-capacitor of lithium ion battery and sodium ion battery, has current collector provided with active material, conductive agent and binder, where conductive agent is formed as graphene quantum dot.

XIAO X, WANG C, ZHONG G, XU K, WU S, ZENG J, SU W, WEI Z

Preparing graphene material comprises mixing chitosan, activator, acetic acid and solvent, stirring, adding cross-linking agent, cross-linking reaction, drying the paste precursor, activating in alkaline solution, and carbonizing.

WANG C, XIAO X, ZHONG G, XU K, WU S, SU W, ZHAO W, LV W