国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B032/196（2）
发明人 ZHANG J（2）
公开年 2023（2）
申请年
专利权人

Direct manufacture of graphene from anthracite involves mixing pulverized coal sample of anthracite and copper chloride and drying to obtain mixed pulverized coal, grinding and irradiating to obtain coarse product of coal-based graphene, separating crude graphene product and purifying.

DONG W, LI J, ZHANG J, NIU H, KANG J, CHEN C, HUANG J, LI K

Removing impurities, used in hydrogen halide reduction-oxidation graphene film, involves using hot water to fumigate or multiple times to act on oxidized graphene film of hydrogen halide reduction, making water molecule enter into interlayer of graphene oxide, extruding halogen element to interlayer.

QU Y, GENG B, ZHANG J, GE M, TANG R, WU Y