▎ 摘　　要

NOVELTY - Preparing graphene powder by aqueous phase-enhanced exfoliation method involves opening interlayer of flake graphite under action of concentrated sulfuric acid and oxidant. USE - Method for preparing graphene powder by aqueous phase-enhanced exfoliation method. ADVANTAGE - The method enables to prepare graphene powder, which is environment friendly, facilitates industrial production, and is not easily agglomerated; is safe and reliable, and reduces process cycle, saving time and cost.