Abstract
PtRu/Carbon hybrid materials with different metallic loadings (5, 10 and 20 wt%) were prepared by hydrothermal carbonization using cellulose as carbon source and reducing agent and H 2 PtCl 6 .6H 2 O and RuCl 3 .xH 2 O as metals sources and catalysts of the carbonization process. The as-synthesized materials were further treated under argon atmosphere at 900 o C and characterized by energy-dispersive X-ray spectroscopy (EDX), thermogravimetric analysis (TGA), X-ray diffraction (XRD), transmission electron microscope (TEM) and cyclic voltammetry (CV). The electro-oxidation of methanol was studied by chronoamperometry. The material prepared using a metallic load of 5 wt% showed the best electroactivity for methanol electrooxidation compared to others obtained materials probably due to the smaller particle size and content of oxides on surface of material.
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