Voltammetric investigation of palladium oxides-I: Their formation/reduction in NaOH

Chi Chang Hu, Ten Chin Wen

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

Cyclic voltammetry is used to investigate the electrochemical behaviour of oxide/hydrous oxide formation and reduction as well as that of the Pd(IV)/Pd(II) redox transition at PdO-coated titanium electrodes, the corresponding oxide-derived Pd electrodes, and a bulk Pd metal electrode. X-ray photoelectron spectroscopy (XPS) is used to generate the information of oxidation states for surface Pdex situ on these PdO and Pd electrodes. The Pd(IV)/Pd(II) redox transition at the PdO-coated titanium electrode possesses an electrocatalytic activity for the ethanol oxidation while this redox transition at the other two Pd electrodes does not.

Original languageEnglish
Pages (from-to)495-503
Number of pages9
JournalElectrochimica Acta
Volume40
Issue number4
DOIs
Publication statusPublished - 1995 Mar

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Electrochemistry

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