WO 3  Nanoparticles Synthesized Through Ion Exchange Route as Pt Electrocatalyst Support for Alcohol Oxidation | Zendy

Yan Z. | Zendy; Xie J. | Zendy; Fang Y. | Zendy; Chen M. | Zendy; Wei X. | Zendy; Lü X. | Zendy

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WO 3 Nanoparticles Synthesized Through Ion Exchange Route as Pt Electrocatalyst Support for Alcohol Oxidation

Author(s) -

Yan Z.,

Xie J.,

Fang Y.,

Chen M.,

Wei X.,

Lü X.

Publication year - 2014

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.201200133

Subject(s) - electrocatalyst , materials science , electrochemistry , methanol , catalysis , nanoparticle , carbonization , chemical engineering , nanomaterials , nanocrystal , ion exchange , alcohol oxidation , oxide , inorganic chemistry , electrode , chemistry , nanotechnology , ion , organic chemistry , composite material , metallurgy , scanning electron microscope , engineering

Tungsten oxide (WO 3 ) nanocrystals with the diameter <5 nm supported on porous carbonized resin (denoted as C‐WO 3 ) are synthesized. The WO 3 precursors are dispersed at ion level through ion exchange route, then reduced to WO 3 nanocrystals. Pt nanoparticles are loaded on the porous C‐WO 3 matrix (denoted as Pt/C‐WO 3 ) and used as electrocatalyst in fuel cell for alcohol oxidation, in which WO 3 is found efficient promotion effect on Pt electrocatalyst in the electrochemical activity and stability. Thereinto, Pt/C‐WO 3 gives 1.63 times higher current densities than the commercial Pt/C (TKK) for methanol oxidation at the same Pt loadings. Moreover, Pt/C‐WO 3 electrocatalyst shows excellent properties in mass transfer than Pt/C (TKK). The present method can be readily scaled up for the production of other nanomaterials as well as WO 3 .

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