国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/194（3） C01B032/184（2）
发明人 ZHANG P（4）
公开年 2022（4）
申请年 2021（4）
专利权人 HANGZHOU JIA.（3）

Preparing nitrogen-doped graphene-metal nano-particle film used in e.g. energy storage, involves mixing oxidized graphene solution, metal nanoparticles and water-soluble amine cross-linking agent, and coating obtained mixture.

CHENG J, LI Y, ZHANG P, AN X

Preparing nitrogen-doped graphene noble metal composite film, comprises coating mixture made of graphene oxide solution, water-soluble noble metal compound and water-soluble amine cross-linking agent e.g ethylenediamine, drying film, and heating under the protection of inert gas.

CHENG J, LI Y, ZHANG P, AN X

Preparing nitrogen-doped graphene film, comprises mixing graphene oxide solution and water-soluble amine cross-linking agent uniformly, coating mixture to form film, drying and subjecting amine-based cross-linked graphene oxide film to heat treatment.

CHENG J, LI Y, ZHANG P, AN X

Multi-tube device for preparing graphene, has corundum tube for passing through multiple groups of heating rod.

HAN Y, YU P, NI D, GAO G, LI Y, ZHANG P, CHENG J, AN X