Tungsten carbide promoted Pd and Pd–Co electrocatalysts for formic acid electrooxidation

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Abstract

Tungsten carbide (WC) promoted palladium (Pd) and palladium–cobalt (Pd–Co) nanocatalysts are prepared and characterized for formic acid electrooxidation. The WC as the dopant to carbon supports is found to enhance the CO tolerance and promote the activity of the Pd-based catalysts for formic acid oxidation. Alloying of Pd with Co further improves the electrocatalytic activity and stability of the WC supported catalysts, attributable to a synergistic effect of the carbide support and PdCo alloy nanoparticles.
Original languageEnglish
JournalJournal of Power Sources
Volume219
Pages (from-to)106-111
ISSN0378-7753
DOIs
Publication statusPublished - 2012

Keywords

  • Catalysts
  • Electrooxidation
  • Formic acid
  • Palladium-cobalt
  • Tungsten carbide

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