Characterization of LaNi0.6Fe0.4O3 perovskite synthesized by glycine-nitrate combustion method

K Vidal, A Morán-Ruiz, A. Larrañaga, J.M. Porras-vázquez, Peter Slater, M.I. Arriortua

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19 Citations (Scopus)

Abstract

The perovskite LaNi0.6Fe0.4O3 has been prepared by the glycine–nitrate route using different amounts of glycine/fuel ratio (G/N = 0.5, 1.0 and 1.5), in order to study the sample preparation influence on the properties in the context of their application as a cathode contact material for solid oxide fuel cells (SOFCs). The obtained materials have been characterized by X-ray diffraction, scanning electron microscopy, dilatometry and electrical conductivity measurements. All the compounds have rhombohedral symmetry and a porous microstructure with fine grain sizes. The sample obtained at the G/N of 1.0 has more suitable conductivity values for application as SOFC contact material.
Original languageEnglish
Pages (from-to)24-29
Number of pages6
JournalSolid State Ionics
Volume269
Early online date26 Nov 2014
DOIs
Publication statusPublished - Jan 2015

Keywords

  • Chemical synthesis
  • Electrical conductivity
  • Contact material
  • Perovskite phases
  • SOFC

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