The reduction of ClO4- ions on Rh electrodes

M. Wasberg, G. Horányi

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

The literature data and the most important factors relevant to the reduction of perchloric acid at Rh electrodes (smooth polycrystalline, single-crystal faces and rhodized systems) are surveyed. The consequences of model assumptions are analysed for rhodized electrodes. The central role of some adsorption processes was demonstrated using a combined voltammetric and impinging jet method. The experimental results obtained confirm the assumption that the reduction process, which involves several consecutive steps, takes place exclusively on the surface of the electrode and Cl- ions are the main products. The latter species are responsible for the well-known self-inhibition phenomena.

Original languageEnglish
Pages (from-to)63-70
Number of pages8
JournalJournal of Electroanalytical Chemistry
Volume385
Issue number1
Publication statusPublished - Mar 21 1995

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Ions
Electrodes
Single crystals
Adsorption
Acids
perchlorate
Perchloric Acid

Keywords

  • Perchlorate ions
  • Reduction mechanism
  • Rhodium

ASJC Scopus subject areas

  • Electrochemistry
  • Analytical Chemistry
  • Chemical Engineering(all)

Cite this

The reduction of ClO4- ions on Rh electrodes. / Wasberg, M.; Horányi, G.

In: Journal of Electroanalytical Chemistry, Vol. 385, No. 1, 21.03.1995, p. 63-70.

Research output: Contribution to journalArticle

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