国家/地区 中国（3）
IPC部 B（3）
IPC大类 B82（3）
IPC小类 B82Y（3）
IPC B82Y040/00（3）
发明人
公开年 2020（3）
申请年 2020（3） 
专利权人

Polyaniline-barium ferrite-graphene electromagnetic shielding material comprises cobalt-titanium co-doped barium ferrite, three-dimensional porous graphene, aniline, and ammonium persulfate.

XIANG H

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

SHI K

Nano-nickel ferrite-supported graphene-based absorbing material comprises phosphorus-doped graphene oxide, nanoporous nickel ferrite (NiFe2O4), and paraffin wax.

ZHANG R