▎ 摘　　要

NOVELTY - The preparation method of graphene-based conductive ink filler involves functionally modifying the surface of graphene using polymeric ionic liquid having conductive ability. USE - The method is useful for preparing graphene-based conductive ink filler, which is useful for producing UV light curing conductive ink. ADVANTAGE - The method enables simple and rapid preparation of graphene-based conductive ink filler with high performance and strength.