国家/地区 中国（5）
IPC部 C（5）
IPC大类 C01（5）
IPC小类 C01B（5）
IPC C01B032/184（3）
发明人 DUAN Y（5）
公开年 2021（5）
申请年 2020（2）  2021（2） 
专利权人

Removing impurities during preparation of graphene involves repeatedly sieving graphene oxide containing metallic impurities and non-metallic impurities during sieving process, and adsorbing some metallic impurities by magnets.

DUAN Y

Ultrasonic peeling device for preparing graphene, has fixing frame which is fixedly installed on outer surface of support frame, and cover which is fixedly installed at bottom of horizontal end of fixing frame respectively.

DUAN Y

Preparing highly conductive and internally continuous graphene hybrid film, comprises hybridizing graphene oxide with metal nanoparticles, graphene oxide sheets cross-linked by metal nanoparticles reusing and thermally reducing hybrid film.

WANG B, ZHU Y, DUAN Y, XIAO H, MING Y

Preparing graphene/cellulose aqueous dispersion comprises e.g. expanding graphite flakes, carrying out primary oxidation and secondary oxidation, adjusting pH value of reaction system, mixing cellulose and ball milling.

DUAN Y, LIU K, ZHANG J, TIAN Z, KONG Z, LIANG S

Graphene aerogel modification process comprises e.g. orderly adding reducing agent and modifying agent into graphene oxide dispersion liquid, reacting, washing, then placing in aqueous alcohol solution for dialysis treatment, freeze-drying.

ZHANG J, LI J, DUAN Y