▎ 摘　　要

NOVELTY - Preparing carbon nanotube-graphene conductive fiber comprises mixing deionized water, aqueous graphene dispersion and anionic dispersant under first stirring condition, adding aqueous carbon nanotube dispersion under second stirring condition, and grinding mixture to obtain mixture, adding acrylate copolymer emulsion and auxiliary agent to mixture, and mixing under third stirring condition to obtain carbon nanotube-graphene dyeing slurry, warping fiber protofilament, moving out from traction device, warping, and conveying pulp groove of carbon nanotube-graphene dyeing slurry, adjusting tension of fiber protofilamen, uniformly sizing, adjusting slurry groove to needed temperature, drawing each fiber precursor into slurry groove dip dyeing and roller multi-stage roller pressing, conveying oven for hot air drying, winding fiber air-dried by hot air on multi-stage drying cylinder for drying, and winding obtained carbon nanotube-graphene conductive fiber by winding cylinder. USE - The method is useful for preparing carbon nanotube-graphene conductive fiber. ADVANTAGE - The method is simple and economical.