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Title: Nanostructured Pt/C and Pd/C catalysts for direct formic acid fuel cells
Authors: Liu, Z.
Hong, L. 
Tham, M.P.
Lim, T.H.
Jiang, H.
Keywords: Catalytic activity
Formic acid
Fuel cell
Palladium nanoparticles
Platinum nanoparticles
Power density
Issue Date: 27-Oct-2006
Citation: Liu, Z., Hong, L., Tham, M.P., Lim, T.H., Jiang, H. (2006-10-27). Nanostructured Pt/C and Pd/C catalysts for direct formic acid fuel cells. Journal of Power Sources 161 (2) : 831-835. ScholarBank@NUS Repository.
Abstract: Platinum (Pt) and palladium (Pd) nanoparticles supported on Vulcan XC-72 carbon are prepared by a microwave-assisted polyol process. The catalysts are characterized by transmission electron microscopy and X-ray diffraction analysis. The average particle size of Pt and Pd nanoparticles, which are uniformly dispersed on carbon, is 4 and 5 nm, respectively. The Pt/C and Pd/C catalysts exhibit four diffraction peaks that are indexed to the {1 1 1}, {2 0 0}, {2 2 0}, and {3 1 1} planes of Pt and Pd, respectively. The electrooxidation of formic acid is examined by cyclic voltammetry and chronoamperometry. The Pd/C catalyst is found to have a higher electrocatalytic activity for formic acid oxidation than a comparative Pt/C catalyst. Preliminary data from a single-stack test cell of a direct formic acid fuel cell (DFAFC) using Pd/C as the anode catalyst yield high power density. © 2006 Elsevier B.V. All rights reserved.
Source Title: Journal of Power Sources
ISSN: 03787753
DOI: 10.1016/j.jpowsour.2006.05.052
Appears in Collections:Staff Publications

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