Abstract
Platinum-based catalysts in some cases can improve the functional characteristics of the fuel cell. This study presents different methods for the synthesis of trimetallic catalysts with different architectures of nanoparticles for the reactions of methanol and ethanol electrooxidation in alkaline electrolytes. The catalysts were studied using powder diffraction, transmission electron microscopy, X-ray fluorescence analysis, and cyclic voltammetry. According to the results of chronoamperometry, the material obtained in one stage of synthesis shows higher initial values of the specific currents of oxidation of alcohols than the material obtained in two stages and commercial Pt/C. In ethanol oxidation reaction for the material obtained in one stage, this value is 1.2 and 2 times higher than the corresponding values of the material obtained in two stages and Pt/C catalyst, respectively. In the methanol oxidation reaction, the initial value of specific currents for this material is 1.5 times higher in comparison with other catalysts presented in the article.
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