Journal
JOURNAL OF POWER SOURCES
Volume 215, Issue -, Pages 130-134Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2012.05.008
Keywords
Carbon nanofiber; Formic acid oxidation; Alloy; Formic acid fuel cells
Funding
- Nature Science Foundation of China [21073061]
- open foundation of the State Key Laboratory of Electroanalytical Chemistry (Changchun Institute of Applied Chemistry, Chinese Academy of Sciences)
- Shanghai Key Laboratory of Green Chemistry and Chemical Process (East China Normal University)
- State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology (Zhejiang University of Technology)
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Carbon nanofiber (CNF) supported PdAu nanoparticles are synthesized with sodium citrate as the stabilizing agent and sodium borohydride as the reducing agent. High resolution transmission electron microscopy (HRTEM) characterization indicates that the synthesized PdAu particles are well dispersed on the CNF surface and X-ray diffraction (XRD) characterization indicates that the alloying degree of the synthesized PdAu nanoparticles can be improved by adding tetrahydrofuran to the synthesis solution. The results of electrochemical characterization indicate that the addition of Au can promote the electrocatalytic activity of Pd/C catalyst for formic acid oxidation and the CNF supported high-alloying PdAu catalyst possesses better electrocatalytic activity and stability for formic acid oxidation than either the CNF supported low-alloying PdAu catalyst or the CNF supported Pd catalyst. (C) 2012 Elsevier B.V. All rights reserved.
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