▎ 摘　　要

NOVELTY - Preparation of three-dimensional graphene powder with multi-stage pore structure, involves mixing resin and 0.6-1 mol/L catalyst metal ion salt solution, stirring, cleaning, adding pore-forming agent solution, drying, crushing, heating at 800-1200 degrees C at the rate of 1-10 degrees C/minute under protective atmosphere for 0.5-4 hours, pickling for 2-12 hours, filtering and drying. USE - Preparation of three-dimensional graphene powder with multi-stage pore structure (claimed). ADVANTAGE - The method efficiently and economically provides three-dimensional graphene powder with multi-stage pore structure having high specific surface area and conductivity, with high productivity by simple method in short period of time.