▎ 摘　　要

NOVELTY - Graphene heating ink composition and preparation method, include 5-6 %mass graphene, 1-3 %mass graphite, 10-13 %mass biochar, 4-8 %mass carbon black, 21-28 %mass resin, 45-50 %mass mixed solvent and 0.14-0.7 %mass additives. USE - As graphene heating ink. ADVANTAGE - The ink has high-resistance and low-resistance value.