国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC
发明人 LIU G（3）
公开年
申请年 2015（2） 
专利权人 UNIV XIAN SCI TECHNOLOGY（3）

Preparing coal-based graphene quantum dots, comprises crushing natural coal, dispersing into N,N-dimethyl formamide, placing in ultrasonic cell crusher, carrying out ultrasonic crushing, then filtering, and removing N,N-dimethyl formamide.

ZHANG Y, REN S, DANG Y, LIU G, LI K, QIU J

Device for preparing methanol by graphene macroscopic material photocatalytic reduction of carbon dioxide, comprises a reaction tank, where the inner wall of reaction tank is provided with multiple ultraviolet lamps.

CAI J, LI K, LIU G, QIU J, ZHANG Y, ZHOU A

Device useful for preparing graphene film using low rank coal, comprises a horizontal tube furnace, a quartz tube, an argon storage tank, a hydrogen storage tank and a tee pipe.

LIU G, QIU J, ZHANG Y, ZHOU A, DANG Y, SI Y