国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B032/196（2）
发明人 ZHANG J（3）
公开年 2018（2）
申请年 2018（2） 
专利权人 UNIV WUHAN SCI TECHNOLOGY（3）

Separating and purifying graphene comprises e.g. taking biomass carbon or resin-modified asphalt and heating with oxygen to obtain graphene-containing mixture, and taking mixture in solvent to separate graphene by liquid phase separation.

HU Y, WU L, ZHANG J, LIU Y, YANG X

Graphene separation and purification involves adding solvent to pulverized high-temperature carbonized product powder, dispersing at high speed to obtain mixed solution, and then separating mixed solution by centrifugation.

WU L, ZHANG J, HU Y, LIU Y, SHU S, XU J, LIU J, SONG Q, HUANG Z

Preparation of mesophase pitch-derived carbon graphene involves taking mesophase pitch-derived carbon, carbonizing, soaking in inorganic molten salt system, carrying out high temperature heat processing, and taking reaction product.

YUAN G, CUI Z, DONG Z, LI X, CONG Y, ZHANG J, ZHU H, LI Y