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Dead-ended anode polymer electrolyte fuel cell stack operation investigated using electrochemical impedance spectroscopy, off-gas analysis and thermal imaging

Authors
  • Meyer, Quentin
  • Ashton, Sean
  • Curnick, Oliver
  • Reisch, Tobias
  • Adcock, Paul
  • Ronaszegi, Krisztian
  • Robinson, James B.
  • Brett, Daniel J.L.1, 2, 3, 4
  • 1 Electrochemical Innovation Lab
  • 2 Department of Chemical Engineering
  • 3 UCL
  • 4 Intelligent Energy
Type
Published Article
Journal
Journal of Power Sources
Publisher
Elsevier
Publication Date
Jan 01, 2013
Accepted Date
Nov 27, 2013
Volume
254
Pages
1–9
Identifiers
DOI: 10.1016/j.jpowsour.2013.11.125
Source
Elsevier
Keywords
License
Unknown

Abstract

•Dynamics of anode dead-end/purge operation investigated.•Reconstructive impedance allows complete spectra with high temporal resolution.•Water build-up and N2 cross-over cause performance loss in dead-end mode.

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