▎ 摘　　要

NOVELTY - An expanded graphite-graphene composite material is obtained by connecting expanded graphite and graphene sheets together, and obtaining three-dimensional network structure. The expanded graphite-graphene composite material has thermal conductivity of 50 W/(m.K) or more and rebound rate of 90% or more. USE - Expanded graphite-graphene composite material (claimed). ADVANTAGE - The economical expanded graphite-graphene composite material has excellent resilience, and thermal conductivity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of expanded graphite-graphene composite material.