To improve the catalytic activity and lower the noble-metal loading of electrocatalysts for ethanol electrooxidation, a carbon-supported Pt-RuCo catalyst (atomic ratio of Pt : Ru : Co = 1 : 2.5 : 5.2) is prepared by a two-step route. The as-prepared catalyst is characterized by means of X-ray diffraction (XRD), transmission electron microscopy (TEM), as well as cyclic voltammetry technique. The Pt-RuCo/C sample is found to possess good elctrocatalytic performance, long-term durability and high CO-tolerance, which should have potential application in electrocatalyst of direct ethanol fuel cell.
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Li et al. (2011) studied this question.
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