▎ 摘　　要

NOVELTY - Preparing graphene/carbon nanotube composite involves mixing graphene and carbon nanotubes to obtain a first composite powder, mixing the first composite powder with first adhesion aid, and performing a stirring treatment to obtain a second composite powder, mixing the second composite powder with a solvent and a second adhesion aid, and performing a dispersion treatment to obtain a dispersion, centrifuging the dispersion to remove supernatant to obtain a graphene/carbon nanotube paste, performing pressure sieving on the graphene/carbon nanotube paste to obtain a preliminary product of graphene/carbon nanotube composite, and performing pressurizing granulation of the graphene/carbon nanotube composite preliminary product to obtain the graphene/carbon nanotube composite. USE - Method for preparing graphene/carbon nanotube composite (claimed). ADVANTAGE - The method provides graphene/carbon nanotube composite having a large apparent density, thus the polymer material has good and uniform electrical conductivity and mechanical properties, and can simultaneously reduce safety hazards, improve the processing environment, and control transportation costs. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing a conductive functional polymer, which involves preparing a graphene/carbon nanotube composite, melt-extruding and extrudingwith a polymer to form the conductive functional polymer.