Influence of the structure in low-Pt loading electrodes for polymer electrolyte fuel cells

E. Passalacqua, F. Lufrano, G. Squadrito, A. Patti, L. Giorgi

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Abstract

The influence of the structure and composition of the electrodes on a polymer electrolyte fuel cell (PEFC) performance has been investigated. Electrodes have been prepared by varying the composition of diffusion and/or catalyst layer. Improvements have been obtained by introducing a hydrophobic carbon layer between the carbon paper and the catalyst layer for the gas diffusion backing. High performance has been achieved with low Pt-loading electrodes (0.15 mg/cm2) by including the ionomer Nafion in the catalyst ink. Electrodes have been characterized by SEM-EDX analyses and electrochemical tests in a 50 cm2single cell. © 1998 Elsevier Science Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)3665 - 3673
Number of pages9
JournalElectrochimica Acta
Volume43
Issue number24
DOIs
Publication statusPublished - 21 Aug 1998
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Electrochemistry

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