▎ 摘　　要

NOVELTY - Preparation of carbon nitride titanium carbide graphene three-dimensional composite electrode catalyst comprises preparing graphitized carbon nitride nano sheet dispersion, titanium carbide nano sheet dispersion and graphene oxide dispersion, mixing graphitized carbon nitride nano sheet dispersion, titanium carbide nano sheet dispersion and graphene oxide dispersion by ultrasound to obtain uniform ternary complex suspension, performing hydrothermal reaction on three component complex solution to obtain three-dimensional hydrated gel, performing dialysis on three-dimensional hydrated gel and freeze-drying by ultra pure water. USE - The method is for preparation of carbon nitride titanium carbide graphene three-dimensional composite electrode catalyst. ADVANTAGE - The method is conducive to full wetting contact and electron conduction of electrolyte. The catalyst has large specific surface area, good cycle stability and excellent catalytic performance.