▎ 摘　　要

NOVELTY - The method for industrially preparing graphene, involves (1) carrying out oxidation of strong acid to obtain graphite oxide, (2) ultrasonically dispersing graphite oxide solution with nano-silica powder to obtain graphene oxide dispersion, (3) spray-drying obtained graphene oxide dispersion to obtain graphene oxide powder, and (4) subjecting graphene oxide powder to low temperature thermal reduction. USE - Method for industrially preparing graphene. ADVANTAGE - The method enables industrially preparing graphene ensuring enhanced stability by simple, safe, environmentally-friendly and economical process.