▎ 摘　　要

NOVELTY - Preparing porous graphene material, comprises (i) preparing a mixed aqueous solution of 5-15 mg/ml graphene oxide and 5-150 mg/ml polyvinyl alcohol, (ii) freezing and drying the graphene oxide/polyvinyl alcohol mixed aqueous solution to form a graphene oxide/polyvinyl alcohol aerogel, and drying, and (iii) subjecting the graphene oxide/polyvinyl alcohol aerogel to a high-temperature reduction treatment. USE - The method is useful for preparing porous graphene material. ADVANTAGE - The method: is simple; has high production efficiency; utilizes polyvinyl alcohol as a binder and aqueous solution which has low viscosity; maintains at very low viscosity after mixing with graphene; is easy to produce by using high temperature heat treatment; and removes the added polyvinyl alcohol.