国家/地区 中国（5）
IPC部 B（5）
IPC大类 B05（5）
IPC小类 B05B（5）
IPC B05B013/02（5）
发明人
公开年 2022（2） 2023（2）
申请年 2021（3） 
专利权人

Hydrophobic agent composition useful for long-life hydrogen fuel cell gas diffusion layer, comprises polytetrafluoroethylene micropowder, polypropylene powder, nano-graphene powder and polyvinyl alcohol as granulation binder.

LIN H, WANG J, ZHOU Z

Graphene lithium battery pole piece processing device for use in electrode sheet processing technology field, has supporting rod fixed with upper surface of bottom plate, and fourth rotating shaft whose outer surface is provided with aluminum film.

YU Z, LI W, JIA M

Coating device of lithium battery graphene, has puller bolt and movable rod that contact inner top surface of frame portion is provided with two telescopic rods sleeved with spring.

HU W

Graphene lithium battery pole piece processing device comprises bottom plate connected with back surfaces of two roller sets, support roller and two roller groups provided with same battery pole piece, bottom plate connected with box body and extraction pump connected with feed pipe.

WEN S

Graphene radio-frequency identification antenna manufacturing device, has pump connected with controller that controls switch state of valves to control spraying state of nozzles, and feeding main circuit set with pressure and flow meters.

LIU Z, CHEN S, MA Y, LIU J, LI J, LV Z, QI X