▎ 摘　　要

NOVELTY - A graphene-reinforced polyimide-based composite aerogel comprises graphene and polyimide. The mass ratio of graphene and polyimide is 6:100-20:100. USE - Graphene-reinforced polyimide-based composite aerogel (claimed). ADVANTAGE - The graphene-reinforced polyimide-based composite aerogel has excellent flame retardance, thermal resistance and mechanical property. The graphene-reinforced polyimide-based composite aerogel is environmentally-friendly. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene-reinforced polyimide-based composite aerogel.