国家/地区 中国（4）
IPC部 C（4） B（2）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/196（4）
发明人 LI J（4）
公开年 2022（2）
申请年 2022（3） 
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

Graphene purifying device has purifying box whose bottom is slidingly connected with baffle plate and is fixedly installed with top portion of purifying pipe.

LI J, ZHAO Q, ZHAO B

Heating oil graphene extracting and purifying device, has separating screen fixedly installed on inner wall of purifying device main body, moving plate fixed on separating screen, and dredging block fixedly installed on bottom end of moving plate.

DONG Y, LI J, ZHANG W

Preparation of single-layer graphene involves preparing graphene nanosheets, mixing graphene nanosheets, nickel and absolute ethanol, centrifuging, placing graphene on copper foil, reacting for preset time, and forming layers of graphene.

LI J, CHEN J, YE L, YU M