▎ 摘　　要

NOVELTY - Composite electrode material comprises 20-30 wt.% graphene, 10-15 wt.% platinum nano-particles, 55-70 wt.% organic polymer material. The diameter of graphene sheet is 300nm to 50 mu m. The particle size of platinum nano-particles is 50-500nm. The melting point of organic polymer material is 360 degrees C. The organic polymer material is subjected to melt degradation at 120-260 degrees C. The organic polymer material includes low-density polyethylene, polylactic acid, polylactic acid-glycolic acid copolymer, polycaprolactone, polybutylene glycol and polybutylene succinate. USE - Composite electrode material. ADVANTAGE - The composite electrode material has high homogeneity and high conductivity. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: (1) a method for preparing composite electrode material, which involves adding electrode raw materials to organic solvent in mass to volume ratio of 1:3-1:1 and ultrasonically dispersing for 3-12 hours to obtain uniform dispersion, heating muffle furnace to 650 degrees C and then cooling to 270-350 degrees C, slowly adding argon, coating dispersed mixture on electrode and polishing electrode, transferring to muffle furnace under argon atmosphere, carrying out reaction for 1-5 hours to obtain composite modified electrode, where electrode withstands 350 degrees C high temperature and is selected from glassy carbon electrode or graphite electrode; and (2) conductivity enhancing material, which comprises composite electrode material and high temperature electrically conductive material.