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Carbon-Supported PtSnCu, PtCu and PtSn Electrocatalysts for Ethanol Oxidation in Acid Media

Carbon supported ternary PtSnCu (1:1:1) catalysts were synthesized by reduction of the metal precursors in ethanol reflux and characterized by EDX, XRD and TEM analyses. Their activity for ethanol oxidation was compared with that of binary PtSn/C and PtCu/C prepared with the same method. A drastic decrease of the onset potential for ethanol electrochemical reaction on PtSnCu was observed.



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