国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 LIU D（2）
公开年
申请年 2020（2）
专利权人 LIU D（2）

Graphene puffing device comprises first main board, second main board and feeding plate, where bottom of first main board is provided with second main board, feeding board is fixedly connected at top end of first main board.

LIU D

Hierarchical structure carbon-nickel cobalt sulfide-graphene supercapacitor electrode active material is prepared by stirring sodium alginate-chitosan-graphene composite hydrogel, nickel nitrate and cobalt nitrate, reacting and calcining.

LIU D