国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B031/04（3）
发明人 WANG N（4）
公开年 2012（4）
申请年 2012（3） 
专利权人 CHINESE ACAD.（2）

Preparation of nano-dispersed graphene oxide comprises preparing graphene oxide solution, adding cationic polyelectrolyte, stirring uniformly, putting mixed polyelectrolyte/graphene oxide solution, and ultrasonically crushing.

JI S, LI J, WANG L, WANG N, ZHANG G

Producing graphene powder comprises adding graphite blocks to container, pouring liquid, dipping graphite blocks, centrifuging, precipitating graphite particles and graphite sheet, and concentrating and separating supernatant.

GUO G, KONG M, QIN X, SONG C, WANG N, XIN H, ZHANG J, ZHU X

Graphene material preparation by stirring graphite suspension in container installed with gear set at low speed, then high speed centrifuging to obtain upper layer solution as single layer graphene solution, and concentrating solution.

GUO G, KONG M, QIN X, SONG C, WANG N, XIN H, ZHANG J, ZHU X

Metal-base graphene for composite electric contact material contains mostly base metal with graphite that is uniformly dispersed in metal basal body material.

CHEN H, DOU Y, WANG N, HE H