▎ 摘　　要

NOVELTY - An electroconductive coating comprises 80-350 pts. wt. graphene-carbon black dispersion liquid, 100 pts. wt. aqueous resin (r1) and 3-10 pts. wt. dispersant (d1). USE - Electroconductive coating is used for electric heating, electromagnetic shielding, printed circuit, membrane switch and lithium battery (all claimed). ADVANTAGE - The electroconductive coating has excellent conductivity, high compatibility and high mechanical property and is obtained economically and environmentally-friendly. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of electroconductive coating.