▎ 摘　　要

NOVELTY - A graphene grafted polyaniline composite material is prepared by taking p-aminobenzoic acid in concentrated hydrochloric acid, cooling, adding sodium nitrite aqueous solution, stirring, adding graphene oxide ice water, stirring, heating, taking product, washing, filtering, freeze drying, mixing with ethylene glycol, ultrasonicating, adding ammonia water, reacting, cooling, taking product, washing, filtering, freeze drying, mixing with hydrochloric acid, adding aniline, stirring, ice bath cooling, adding ammonium persulfate in hydrochloric acid, stirring, taking product, washing, filtering, freeze drying, dispersing into ultrapure water, drawing into glassy carbon electrode surface, drying, obtaining working electrode, taking saturated calomel electrode as additive electrode, platinum plate electrode as counter electrode and sulfuric acid as electrolyte, and carrying out constant current charge and discharge test. USE - Method for preparing graphene grafted polyaniline composite material for electrochemical energy storage (claimed).