国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3） D01（3）
IPC小类 C01B（3）
IPC D01F009/16（3）
发明人 SHI J（2）
公开年 2019（2）
申请年 2018（3）
专利权人 SHI J（2）

Preparing graphene-carbonized fiber sponge used in chemical application, by drying cigarette end impregnated with graphene oxide solution, carbonizing, and coating polypyrrole on graphene-carbonized fiber sponge by chemical oxidation method.

JI Y

Preparation of graphene composite sponge involves washing discarded cigarette ends, drying, immersing in graphene oxide solution, drying, heating, washing natural cotton, mixing with urea solution, freeze-drying and heating.

SHI J

Preparing nitrogen-doped graphene-carbonized fiber composite sponge, by washing and drying natural cotton, mixing with urea solution in mold, freeze-drying, heating in tube furnace and cooling to room temperature.

SHI J