国家/地区 美国（3） 世界知识产权组织（3） 中国（2）
IPC部 B（4）
IPC大类 B01（4） C01（4） B82（3）
H01（3）
IPC小类 B01J（4）
IPC B01J019/10（4）
发明人
公开年 2011（4）
申请年 2010（2） 
专利权人

Ultrasonic chemical preparation of graphene quantum dot involves adding dispersing agent into carbon black or graphite powder, and ultrasonically processing to obtain graphene quantum dot.

CHEN X, JI R, LIU S, LU Z, MA Y, SONG L, TANG L, WANG Y, ZHUANG J

Preparing dispersion of graphene particles/sheets in liquid medium comprises providing bar/block of solid material made of graphite, rubbing material on substrate surface and dipping substrate in medium and subjecting medium to ultrasound.

JANOWSKA I, BEGIN D, CHIZARI K, ERSEN O, BERNHARDT P, ROMERO T, LEDOUX M, PHAMHUU CUONG, PHAM H C, PHAMHUU C

Composition useful for preparing reduced graphene oxide material used in ultracapacitor, comprises a suspension of a graphite material or a graphene material in a non-aqueous liquid.

RUOFF R S, STOLLER M D, ZHU Y

Production of pristine nano graphene platelets by dispersing pristine graphitic material particles comprising graphite crystallite in liquid medium having no surfactant, and exposing suspension to direct ultrasonication.

ZHAMU A, JANG B Z