▎ 摘　　要

NOVELTY - Preparation of porous graphene/polypyrrole electrode material involves placing graphite oxide solution in a beaker, ultrasonically-processing for 2 hours to obtain graphene oxide, adding ethanol, water and certain amount of pyrrole, stirring, adding graphene oxide, mixing to obtain a mixed solution, adding certain amount of ferrous chloride tetrahydrate, stirring, adding certain amount of hydrogen peroxide, reacting for 24 hours, adding reducing agent, heating in water bath for 12 hours, filtering and drying at 60 degrees C. USE - Preparation of porous graphene/polypyrrole electrode material for capacitive deionization. ADVANTAGE - The method enables simple and efficient preparation of porous graphene/polypyrrole electrode material.