PtSn₂-SnO₂/C nanocatalyst was prepared by co-reduction of Pt and Sn precursor at ca,15℃.The formation of PtSn₂-SnO₂ nanoparticle was determined by XRD,TEM and XPS characterization.This PtSn₂-SnO₂/C nanocatalyst exhibits stronger resistance to CO poisoning and effectively improves methanol electro-catalytic effect,up to 3 times than the commercial Pt/C catalyst.

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