▎ 摘　　要

NOVELTY - The electrophoretic deposition method of graphene coating on carbon steel substrate involves placing graphene nanopowder in concentrated hydrochloric acid, stirring, and filtering to obtain hydrogen-doped graphene nanoparticles, mixing graphene nanoparticles with mixed organic solvent, ultrasonically processing, magnetically stirring, and dispersing, performing electrophoretic deposition by using graphene colloidal solution as electrolyte, platinum sheet as positive electrode and carbon steel as negative electrode, and vacuum drying. USE - Electrophoretic deposition of graphene coating on carbon steel substrate (claimed). ADVANTAGE - The method enables simple electrophoretic deposition of graphene coating on carbon steel substrate with excellent corrosion resistance, electrical and thermal conductivity, and wear resistance. DETAILED DESCRIPTION - The electrophoretic deposition method of graphene coating on carbon steel substrate involves placing graphene nanopowder in concentrated hydrochloric acid in ratio of 1:(90-200), stirring for 30-50 minutes, and filtering solution to obtain hydrogen-doped graphene nanoparticles, mixing hydrogen-doped graphene nanoparticles with 5-30 g/l mixed organic solvent of N-methylpyrrolidone/acetonitrile, ultrasonically processing for 10-30 minutes, magnetically stirring for 24-26 hours, and dispersing to obtain graphene colloidal solution, performing electrophoretic deposition by using graphene colloidal solution as electrolyte, platinum sheet as positive electrode and carbon steel as negative electrode, and applying electric field of 30-120 V/cm between positive and negative electrodes for 30-90 minutes, and vacuum drying.