Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 6, Issue 12, Pages 9481-9487Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am501859k
Keywords
palladium; gold; nanowire networks; ethanol; electrooxidation
Funding
- National Natural Science Foundation of China [21190040, 11174105, 91227114]
- 973 projects [2010CB933600]
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In recent years, direct ethanol fuel cells (DEFCs) are attracting increasing attention owing to their wide applications. However, a significant challenge in the development of DEFC technology is the urgent need for highly active anode catalysts for the ethanol oxidation reaction. In this work, a facile and reproducible method for the high-yield synthesis of PdAu nanowire networks is demonstrated. The whole synthetic process is very simple, just mixing Na2PdCl4, HAuCl4, and KBr in an aqueous solution and using polyvinylpyrrolidone as a protective reagent while sodium borohydride as a reductant. The whole synthetic process can be simply performed at room temperature and completed in min, which can greatly simplify the synthetic process and lower the preparation cost. Electrochemical catalytic measurement results prove that the as-prepared catalysts exhibit dramatically enhanced electrocatalytic activity for ethanol electrooxidation in alkaline solution. The facile synthetic process and excellent catalytic performance of the as-prepared catalysts demonstrate that they can be used as a promising catalyst for DEFCs.
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