▎ 摘　　要

NOVELTY - Preparation of porous graphene particle material comprises preparing 5-15 mg/L graphene oxide and 5-150 mg/L polyvinyl alcohol, pouring aqueous solution of graphene oxide/polyvinyl alcohol mixture in hydrothermal container in honeycomb panel, treating by hydrothermal reduction to obtain graphene/polyvinyl alcohol hydrogel filled in honeycomb, freeze drying graphene/polyvinyl alcohol hydrogel filled in honeycomb panels to obtain graphene/polyvinyl alcohol aerogels filled in honeycomb panels, separating graphene/polyvinyl alcohol aerogels from honeycomb panels to obtain graphene/polyvinyl alcohol aerogel particles and performing high temperature reduction treatment of graphene/polyvinyl alcohol aerogels. USE - The method is for preparation of porous graphene particle material. ADVANTAGE - The method has simple process and high production efficiency.