▎ 摘　　要

NOVELTY - Doped graphene loading platinum-ruthenium (PtRu) alloy nano electro-catalyst comprises 1-30 wt.% platinum-ruthenium alloy, 70-90 wt.% doped graphite alkene. The PtRu alloy particle has diameter of 0.5-9.5 nm. USE - As doped graphene loading platinum-ruthenium (PtRu) alloy nano electro-catalyst (claimed), used in portable electric product, and electric vehicle, airplane. ADVANTAGE - The doped graphene loading platinum-ruthenium (PtRu) alloy nano electro-catalyst has simple technique and low energy consumption, good stability, nano-particle dispersion uniformity and controllable particle diameter. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparing doped graphene loading platinum-ruthenium alloy nano electro-catalyst involving mixing graphene oxide solution, H2PtCl6.6H2O solution and RuCl3.3H2O solution stir uniform, a uniform dispersion suspension, where the graphene oxide mass ratio of H2PtCl6.6H2O, RuCl3.3H2O is 70-90:15-65:5-40, concentration of grapheme oxide solution is concentration of 2-10 g/L, H2PtCl6.6H2O solution of concentration of 5-20 g/L, RuCl3.3H2O solution is 5-20 g/L, (2) adding scattered suspension liquid, stir to dissolve, at 2-60 degrees C lower drying at constant temperature, a precursor, where the dopant is urea and one of a dopant to graphene oxide of mass ratio in boric (3) a precursor of a grinding, a precursor powder, (4) precursor powder in the inert gas protection at 40-l00 degrees C, lower solid phase reaction for 5-120 minutes, then cooling to obtain the process to black solid powder, where the inert gas is nitrogen pneuma and argon pneuma, (5) using distilled water and anhydrous ethanol to wash, then drying to obtain the graphene doped PtRu alloy nano electro-catalyst loading.