Effect of Nafion® gradient in dual catalyst layer on proton exchange membrane fuel cell performance

Kyoung Heon Kim, H. J. Kim, Kwan Young Lee, J. H. Jang, S. Y. Lee, E. Cho, I. H. Oh, T. H. Lim

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

The role of Nafion® binder in the electrodes was evaluated by changing its content for the membrane electrode assembly (MEA) fabrication. In the study, we prepared MEAs that have two different compositions of catalyst layers in electrodes. One layer which is close to the electrolyte membrane has the higher Nafion® content. The other which is near the gas diffusion media (GDM) has the lower one. Also, we changed the thickness of two layers to find the ideal composition of the binder and Pt/C in the electrode. The dual catalyst layer coated MEA showed higher cell performance at high current density region than the pristine MEA.

Original languageEnglish
Pages (from-to)2783-2789
Number of pages7
JournalInternational Journal of Hydrogen Energy
Volume33
Issue number11
DOIs
Publication statusPublished - 2008 Jun 1

Fingerprint

Proton exchange membrane fuel cells (PEMFC)
fuel cells
membranes
catalysts
gradients
Electrodes
Catalysts
electrodes
protons
Membranes
assembly
Binders
gaseous diffusion
Diffusion in gases
Chemical analysis
Electrolytes
high current
perfluorosulfonic acid
Current density
electrolytes

Keywords

  • Dual catalyst layer
  • Electrode
  • Membrane electrode assembly (MEA)
  • Nafion gradient
  • Proton exchange membrane fuel cell (PEMFC)

ASJC Scopus subject areas

  • Electrochemistry
  • Fuel Technology
  • Renewable Energy, Sustainability and the Environment

Cite this

Effect of Nafion® gradient in dual catalyst layer on proton exchange membrane fuel cell performance. / Kim, Kyoung Heon; Kim, H. J.; Lee, Kwan Young; Jang, J. H.; Lee, S. Y.; Cho, E.; Oh, I. H.; Lim, T. H.

In: International Journal of Hydrogen Energy, Vol. 33, No. 11, 01.06.2008, p. 2783-2789.

Research output: Contribution to journalArticle

Kim, Kyoung Heon ; Kim, H. J. ; Lee, Kwan Young ; Jang, J. H. ; Lee, S. Y. ; Cho, E. ; Oh, I. H. ; Lim, T. H. / Effect of Nafion® gradient in dual catalyst layer on proton exchange membrane fuel cell performance. In: International Journal of Hydrogen Energy. 2008 ; Vol. 33, No. 11. pp. 2783-2789.
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