国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3） D01（2）
IPC小类 C01B（3）
IPC C01B032/194（3）
发明人 SHI J（3）
公开年 2019（3）
申请年 2018（3）
专利权人 SHI J（3）

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 a graphene-graphene nano-ribbon composite sponge comprises preparing experimental materials and instruments, mixing graphene oxide and graphene oxide nano-ribbons in deionized water and freeze-drying.

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