国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B032/184（2）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Preparing graphene in large quantity under high pressure useful in electromagnetic shielding, comprises e.g. dissolving biocatalyst catalyst material, stirring and pre-reducing, performing ultrasonic vibration treatment and washing.

ZHANG H, ZHONG Y, YANG B

Device for preparing graphene composite wave-absorbing material, comprises support frame, and purification component including purifying tank, fixing plate, stirring plate, electromagnetic coil, heating coil and intercepting filter screen.

XUE S, DONG W, KONG Q, ZHU L