▎ 摘　　要

NOVELTY - The preparation of porous carbon/graphene composite material involves coating polyacrylonitrile nano fiber cloth with an aqueous solution of graphene, drying at 200-300 degrees C for 1-3 hours, carbonizing at 600-1000 degrees C, activating, washing and drying. USE - Preparation of porous carbon/graphene composite material used as super capacitor electrode (claimed). ADVANTAGE - The method enables preparation of porous carbon/graphene composite material with excellent performance, high specific energy and prolonged service life. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for porous carbon/graphene composite material.