国家/地区 中国（2）
IPC部 B（2）
IPC大类 B82（2）
IPC小类 B82Y（2）
IPC B82Y040/00（2）
发明人
公开年 2020（2）
申请年 2020（2） 
专利权人

Graphene oxide-based water retaining agent preparation involves adding aniline monomer to hydrochloric acid solution, and then configuring into aniline monomer solution after ultrasonic treatment.

GUO Y

Iron-nitrogen co-doped graphene nanofiber oxygen reduction catalyst comprises ferric ion modified mesoporous polyimide and three-dimensional porous graphene.

SHI K