Nanoporous PdNi/C Electrocatalyst Prepared by Dealloying High‐Ni‐content PdNi Alloy for Formic Acid Oxidation | Zendy

Wang Wei | Zendy; Ji Shan | Zendy; Wang Hui | Zendy; Wang Rongfang | Zendy

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Nanoporous PdNi/C Electrocatalyst Prepared by Dealloying High‐Ni‐content PdNi Alloy for Formic Acid Oxidation

Author(s) -

Wang Wei,

Ji Shan,

Wang Hui,

Wang Rongfang

Publication year - 2012

Publication title -

fuel cells

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.485

H-Index - 69

eISSN - 1615-6854

pISSN - 1615-6846

DOI - 10.1002/fuce.201200098

Subject(s) - nanoporous , catalysis , formic acid , electrocatalyst , alloy , materials science , x ray photoelectron spectroscopy , electrochemistry , chemical engineering , inorganic chemistry , chemistry , nanotechnology , metallurgy , electrode , organic chemistry , engineering

To improve the electrochemical performance of Pd‐based catalysts for formic acid oxidation, a carbon supported nanoporous PdNi catalyst is prepared by dealloying high‐Ni‐content PdNi alloy nanoparticles in acid solution. The structure of nanoporous PdNi/C catalyst is characterized by X‐ray diffraction, transmission electron microscopy and X‐ray photoelectron spectroscopy. The electrocatalytic results show that the activity of the nanoporous PdNi/C catalyst is higher than that of nonporous Pd/C catalyst. The results demonstrate that the carbon‐supported nanoporous PdNi catalyst has a potential for application in direct formic acid fuel cells.

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