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

Preparation of iron cobalt sulfide-nitrogen and sulfur heteroatom reduction oxidation graphene, involves using calcining method to thiourea, and using two-step hydrothermal method.

LI C, YU F, YU W, HE T, DUAN Y, WANG L, YANG D, LIU S, ZHANG W

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