国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B01（2） C01（2）
IPC小类 B01J（2）
IPC B01J019/18（2）
发明人 LI J（2）
公开年 2020（2）
申请年 2020（2） 
专利权人 ZHENGZHOU SO.（2）

Graphene preparation oxidation tank comprises tank body, which is clamped with feeding seat, where tank body is equipped with stirring structure, tank body is fixedly installed with multiple annular electric heater and multiple annular mounting seat.

LI J, RAO Y

Acid adding device for graphene production, has production device whose bottom wall is provided with discharging port and upper wall of acid storage chamber is fixedly connected with feeding hopper.

LI Y, LI J