国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（2） H01（2）
IPC小类 C01B（2）
IPC
发明人 DUAN L（4）
公开年 2021（4）
申请年 2020（3） 
专利权人 SHANGHAI JIN.（2）

Graphene production device, has rotating shafts located on peripheral side of inner part of box body and fixedly installed with agitating blade, where inner bottom wall of body is installed with ultrasonic vibrator.

DONG S, ZHANG Z, NIU N, DUAN L, LIU J, YU Y, YU M, LI M

Hard alloy with graphene added as reinforcing phase is prepared from raw materials comprising tungsten carbide, cobalt alloy powder, and graphene oxide.

DONG X, ZHANG K, ZHANG X, DUAN L, CHEN G

Sodium ion battery cathode material comprises tin and organic complexing agent to form complex, prepared by e.g. adding tin salt aqueous solution into organic complexing agent aqueous solution, adding graphene, reacting and drying.

DONG X, DUAN L, ZHANG X, CHEN G

Preparing perovskite battery of electronic transmission layer comprises e.g. preparing electronic transmission layer on surface covered with conductive film on substrate, and preparing perovskite absorbing layer on graphene oxide layer.

LIU S, SUN Y, FENG J, CAO Y, DUAN L, WANG H, DU M, WANG L, WANG K