国家/地区 中国（3）
IPC部 B（3）
IPC大类 F26（3）
IPC小类 F26B（3）
IPC F26B025/02（3）
发明人 BAO L（2） WANG Q（2） ZHAN F（2）
公开年 2022（3）
申请年 2022（2） 
专利权人 ANHUI INNOVA.（2）

Nitrogen-doped graphene composite electrode preparation device has supporting table rotatably provided with operation piece raw material, where supporting table is fixed with first driving piece for driving operation of operation piece.

CHEN C, SUN X, BAO L, ZHAN F, WANG Q

Raw material processing device for nano-particle graphene composite catalyst preparation, has moving piece that is matched with cover plate to form cylinder, and is rotatably provided with frame body for sieving raw material.

PI X, WANG R, ZHAN F, WANG Q, BAO L

Drying device for manufacturing graphene, has stirring rod whose one end is connected with elastic rod through torsional spring structure, where one end of elastic rod is rotatably connected with guide wheel.

ZHOU W, XIAO W