国家/地区 中国（2）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3） C25B（3）
IPC C25B001/00（3）
发明人 ZHANG J（2）
公开年 2017（3）
申请年 2017（2） 
专利权人 HARBIN BAIDU.（2）

Device useful for preparing graphene by using electrolysis and ultrasonic wave comprises a container, a metal wire, a conductive plate, weak acid electrolyte, a power supply, expanded graphite worm and multiple metal wires.

ZHANG J

Graphene preparation device comprises weak acid electrolyte, power supply, container, expandable graphite cake, conductive metal net, and metal plate.

ZHANG J

Graphene mass production equipment for mass producing of graphene, has roller that is rotated by linkage mechanism and is equipped with screen disposed on cylindrical wall of roller having through holes with prescribed size.

YAO P