Electrodeposition of H+ on Oxide Layers at Pyrite (FeS2) Surfaces

K. K. Mishra, K. Osseo-Asare

Research output: Contribution to journalArticle

30 Scopus citations

Abstract

The electrochemical behavior of pyrite (FeS2) has been studied in 1 mol dm-3 HC104 solution in the potential range of -350-300 mV (SCE). Reversible surface processes are observed in this potential region. The electrochemical i-V behavior is found to be dependent upon the amount of surface oxide below a monolayer that is present and on the pH. These surface processes are attributed to the electroadsorption/desorption of H+ on a surface oxide layer.

Original languageEnglish (US)
Pages (from-to)1898-1901
Number of pages4
JournalJournal of the Electrochemical Society
Volume135
Issue number8
DOIs
StatePublished - Aug 1988

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films
  • Electrochemistry
  • Materials Chemistry

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