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Platinum and Platinum Group Metal-Free Catalysts for Anion Exchange Membrane Fuel Cells

Abstract

The development of active hydrogen oxidation reaction (HOR) and oxygen reduction
reaction (ORR) catalysts for use in anion exchange membrane fuel cells (AEMFCs), which are
free from platinum group metals (PGMs), is expected to bring this technology one step closer to
commercial applications. This paper reports our recent progress developing HOR Pt-free and PGM-free
catalysts (Pd/CeO2 and NiCo/C, respectively), and ORR PGM-free Co3O4 for AEMFCs. The catalysts
were prepared by different synthesis techniques and characterized by both physical-chemical and
electrochemical methods. A hydrothermally synthesized Co3O4 + C composite ORR catalyst used in
combination with Pt/C as HOR catalyst shows good H2/O2 AEMFC performance (peak power density
of ~388 mW cm−2
), while the same catalyst coupled with our flame spray pyrolysis synthesised
Pd/CeO2 anode catalysts reaches peak power densities of ~309 mW cm−2
. Changing the anode
to nanostructured NiCo/C catalyst, the performance is significantly reduced. This study confirms
previous conclusions, that is indeed possible to develop high performing AEMFCs free from Pt;
however, the challenge to achieve completely PGM-free AEMFCs still remains.
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Category

Academic article

Language

English

Author(s)

  • Van Men Truong
  • Julian Richard Tolchard
  • Jørgen Svendby
  • Maidhily Manikandan
  • Hamish Miller
  • Svein Sunde
  • Yang Hsiharng
  • Dario Dekel
  • Alejandro Oyarce Barnett

Affiliation

  • SINTEF Industry / Sustainable Energy Technology
  • Italy
  • Norwegian University of Science and Technology
  • National Chung Hsing University, Taichung
  • Technion - Israel Institute of Technology

Date

27.01.2020

Year

2020

Published in

Energies

Volume

13

Issue

3

View this publication at Norwegian Research Information Repository