An investigation of thermally prepared electrodes for oxygen reduction in alkaline solution

Chia Chin Chang, Ten Chin Wen

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

The electrocatalytic activity and stability of various thermally prepared electrodes (of metal species Pd, Pt, Ir, Co, Ru, and Ni) for oxygen reduction in 1 M KOH are investigated. Electrocatalytic activity is elucidated by potentiostatic polarization and galvanostatic electrolysis. Tafel slopes, exchange current densities and onset potentials are derived from potentiostatic polarization and are used to explain the different processes of oxygen reduction on various electrodes. In order to evaluate electrode stability, CV, SEM and XRD are used to test for changes in electrode surface.

Original languageEnglish
Pages (from-to)203-210
Number of pages8
JournalMaterials Chemistry and Physics
Volume47
Issue number2-3
DOIs
Publication statusPublished - 1997 Feb

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

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