▎ 摘　　要

NOVELTY - Preparing graphene powder involves mixing the oxidized graphene aqueous solution, medium and emulsifier to obtain graphene oxide emulsion and mixing with reducing agent to obtain reduced oxide graphene-based emulsion. The obtained emulsion is reduced the oxidized part of the graphene-based emulsion and added to heat dielectric to obtain turbid liquid. The obtained turbid liquid is performed the solid-liquid separation and subjected to heat treatment to obtain graphene powder. USE - Method for preparing graphene powder used as electrode material of super-capacitor (claimed). ADVANTAGE - The method enables to prepare graphene powder realizes the effective control of the final graphene powder particle size and shape, controls the later powder bulk density, has uniform size and high degree of densification.