▎ 摘　　要

NOVELTY - Graphene conductive composite material comprises 0.01-10 pts. wt. graphene nano-platelets, 1-10 pts. wt. carbon nanotubes, 5-20 pts. wt. conductive carbon black and 10-100 pts. wt. polymer matrix. USE - Used as graphene conductive composite material. ADVANTAGE - The material has simple preparation process, excellent quality and electrical conductivity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing graphene conductive composite material comprises (i) adding aqueous dispersion of graphene nano-platelets, carbon nanotubes and then mixing to obtain first mixture liquid, (ii) adding polymer matrix into first mixture liquid, mixing and then sonicating to obtain second mixture liquid, and (iii) adding conductive carbon black into second mixture liquid, mixing, placing in an oven, drying, removing water to obtain polymer matrix conductive composite containing graphene nanosheets and carbon nanotubes.