▎ 摘　　要

NOVELTY - A graphene composite material comprises raw materials comprising electrode material and graphite powder, where mass ratio of electrode material and graphite powder is 400:600-999:1. USE - Graphene composite material for a lithium ion battery. ADVANTAGE - The graphene composite material improves electrochemical performance, conductive characteristics and cycle characteristics of the lithium ion battery, facilitates lithium ions absorbing effect and emergence of lithium ion, and is cost-effective and convenient for mass production. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing the above graphene composite material, which involves providing electrode material and graphite powder, mixing electrode material and graphite powder in a mass ratio of 400:600-999:1 and milling the obtained mixture.