▎ 摘 要
NOVELTY - Graphite is dispersed in an ionic liquid, to obtain ionic liquid mixture of graphite. The obtained liquid mixture is placed in a ball mill, ball-milled, obtained slurry is removed from the milling container and centrifuged to obtain graphene solution. The filtered solution is washed, and dried to obtain graphene. USE - Preparation of graphene (claimed). ADVANTAGE - The method efficiently provides graphene having high dispersibility, yield and specific surface area.