▎ 摘　　要

NOVELTY - A graphene composite material comprises graphite powder, hydrogen peroxide, concentrated sulfuric acid, copper powder and additive material. USE - Graphene composite material for wires. ADVANTAGE - The composite material is economical, can be prepared using rich source of raw materials, has simple preparation process, improves the conductive effect and the service life of the wires. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the graphene composite material, which involves using 1 g graphene powder with the particle size of 20-25 mu m, 100 ml concentrated sulfuric acid and 10 ml hydrogen peroxide to obtain graphene oxide powder, and mixing graphene oxide powder and raw copper powder in a ratio of 1:(3.25-3.5).