▎ 摘　　要

NOVELTY - A composite material comprises 1.2-3.6 wt.% graphene, 0.5-1.0 wt.% tin, 0.05-0.3 wt.% nickel and rest is copper. USE - Composite material for preparing electrochemical sensor. ADVANTAGE - The composite material can be prepared with better electrical conduction, abrasion resistance, corrosion resistance and thermal conductivity and high tensile strength, in a simple and rapid manner. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing composite material.