A highly selective Ag‐W2C/C electrocatalyst for oxygen reduction is developed for potential application in mixed‐reactant alcohol fuel cells. The catalysts are prepared by an intermittent microwave heating (IMH) method. Both the W2C/C and Ag‐W2C/C show catalytic activity for oxygen reduction in alkaline media. The introduction of W2C into the Ag/C results in an enhanced activity that is evidenced by a positive movement in the onset potential and an increased current density at the same conditions. The novelty of the Ag‐W2C/C catalyst is the high selectivity for oxygen reduction in the presence of alcohol.
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Meng et al. (2006) studied this question.
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