Evaluation of porous ceramic cathode layers for solid oxide fuel cells

L.G.J. de Haart, K.J. de Vries, A.P.M. Carvalho, J.R. Frade, F.M.B. Marques

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Abstract

Sr0.15La0.85MnO3 layers with 2 and 10 u thickness, deposited on zirconia based electrolytes, were evaluated as cathodes for high temperature applications. Different electrode layers were characterized in terms of thickness, porosity, three phase boundary line per unit area (TPBL), and concentration polarization behavior. Electrodes with maximum porosity and TPBL exhibit minimum concentration polarization losses at constant current density.
Original languageEnglish
Pages (from-to)507-517
JournalMaterials research bulletin
Volume26
Issue number6
DOIs
Publication statusPublished - 1991

Keywords

  • Lanthanum
  • Manganese
  • Platinum
  • Zirconia

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