Optimisation of air cooled, open-cathode fuel cells: Current of lowest resistance and electro-thermal performance mapping

Quentin Meyer, Krisztian Ronaszegi, Gan Pei-June, Oliver Curnick, Sean Ashton, Tobias Reisch, Paul Adcock, Paul R. Shearing, Daniel J.L. Brett

Research output: Contribution to journalArticle

22 Citations (Scopus)
1 Downloads (Pure)

Abstract

Selecting the ideal operating point for a fuel cell depends on the application and consequent trade-off between efficiency, power density and various operating considerations. A systematic methodology for determining the optimal operating point for fuel cells is lacking; there is also the need for a single-value metric to describe and compare fuel cell performance. This work shows how the 'current of lowest resistance' can be accurately measured using electrochemical impedance spectroscopy and used as a useful metric of fuel cell performance. This, along with other measures, is then used to generate an 'electro-thermal performance map' of fuel cell operation. A commercial air-cooled open-cathode fuel cell is used to demonstrate how the approach can be used; in this case leading to the identification of the optimum operating temperature of ∼45 °C.

Original languageEnglish
Pages (from-to)261-269
Number of pages9
JournalJournal of Power Sources
Volume291
Early online date19 May 2015
DOIs
Publication statusPublished - 22 May 2015
Externally publishedYes

Fingerprint

low resistance
fuel cells
Fuel cells
Cathodes
cathodes
optimization
air
Air
operating temperature
Electrochemical impedance spectroscopy
Hot Temperature
radiant flux density
impedance
methodology
spectroscopy

Bibliographical note

© 2015 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/)

Keywords

  • Air-cooled open-cathode polymer electrolyte fuel cell
  • Current of lowest resistance
  • Electro-thermal performance mapping
  • Electrochemical impedance spectroscopy
  • Forced convection
  • Optimum operating temperature

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

Cite this

Optimisation of air cooled, open-cathode fuel cells : Current of lowest resistance and electro-thermal performance mapping. / Meyer, Quentin; Ronaszegi, Krisztian; Pei-June, Gan; Curnick, Oliver; Ashton, Sean; Reisch, Tobias; Adcock, Paul; Shearing, Paul R.; Brett, Daniel J.L.

In: Journal of Power Sources, Vol. 291, 22.05.2015, p. 261-269.

Research output: Contribution to journalArticle

Meyer, Quentin ; Ronaszegi, Krisztian ; Pei-June, Gan ; Curnick, Oliver ; Ashton, Sean ; Reisch, Tobias ; Adcock, Paul ; Shearing, Paul R. ; Brett, Daniel J.L. / Optimisation of air cooled, open-cathode fuel cells : Current of lowest resistance and electro-thermal performance mapping. In: Journal of Power Sources. 2015 ; Vol. 291. pp. 261-269.
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