Ethanol: Tolerant Oxygen Reduction Reaction Catalysts in Alkaline Media

Chakkrapong Chaiburi, Bernd Cermenek, Birgit Elvira Pichler, Christoph Grimmer, Viktor Hacker

Publikation: Beitrag in einer FachzeitschriftArtikel

Abstract

This paper describes electrocatalysts for the oxygen reduction reaction (ORR) in alkaline direct ethanol fuel cells (ADEFCs), using the non-noble metal electrocatalyst Ag/C, MnO2/C and AgMnO2/C. These electrocatalysts showed tolerance toward ethanol in alkaline media and therefore resistance to ethanol crossover in ADEFCs. Transmission electron microscopy, X-ray spectroscopy (EDX), cyclic voltammetry, and rotating disk electrode (RDE) were employed to determine the morphology, composition, and electrochemical activity of the catalysts. The herein presented results confirm that the AgMnO2/C electrocatalyst significantly outperforms the state-of-the art ORR catalyst platinum.
Originalspracheenglisch
AufsatznummerJEECS-16-1071
Seiten (von - bis)021004
Seitenumfang6
FachzeitschriftJournal of Electrochemical Energy Conversion and Storage
Jahrgang16
Ausgabenummer2
DOIs
PublikationsstatusVeröffentlicht - 2019

Fields of Expertise

  • Mobility & Production
  • Sustainable Systems

Treatment code (Nähere Zuordnung)

  • Basic - Fundamental (Grundlagenforschung)
  • Experimental

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  • NAWI Graz

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