国家/地区 中国（7）
IPC部 C（7）
IPC大类 C01（7）
IPC小类 C01B（7）
IPC C01B031/04（7）
发明人 DONG L（3） LU H（3） LIN S（2）
WU P（2）
公开年 2014（7）
申请年 2013（5）  2014（2） 
专利权人 UNIV FUDAN（7）

Preparation of large-sized graphene with high quality and controllable layer number involves stirring graphite powder or crystalline flake graphite and intercalating agent, repeatedly washing with water and acetone, filtering, and drying.

DONG L, LIN S, LU H, YANG C, ZHANG J

Large-scale production of graphene involves applying intercalating agent for raw materials to obtain intercalated graphite, filtering, dispersing in strong aqueous alkaline solution, carrying out ultrasonic treatment and spray-drying.

DONG L, LIN S, LU H

Preparation of graphene/carbon composite material used for, e.g. preparing capacitor, by mixing natural compound and graphene oxide suspension, hydrothermally reacting, water-cooling, and heating under inert gas protective atmosphere.

ZHANG Z, WU P

Preparation of graphene/polypyrrole hybrid airgel, e.g. used for super-capacitor electrode, by carrying out ultrasonic dispersion of graphene oxide nanotube and polypyrrole, liquid nitrogen quenching, freeze-drying, and hot processing.

FENG J, YE S

Preparing graphene powder, comprises adding graphite into pure acid solution, heating and stirring, filtering and washing with water, drying, adding active solution to acid treated graphite material, ultrasonic treatment and filtering.

DONG L, LU H

Preparing nitrogen-phosphorus-doped porous graphene comprises e.g. placing 4-vinyl benzyl chloride, triphenylphosphine and acetone in flask, reacting, filtering, drying to obtain polyionic liquid product and adding e.g. allyl glycidyl ether.

LIU Y, WU P

Graphene belt based spin valve contains edged carbon atoms as graphene nanometer belt spin transport channel, and is prepared by cleaning doped silicon substrate and applying silicon dioxide layer on silicon substrate.

WANG P, ZHOU P, ZHANG W, SUN Q, WANG L