Topics in Catalysis

, Volume 60, Issue 3–5, pp 300–306 | Cite as

Catalytic Activity and Thermal Stability of LaFe1−xCuxO3 and La2CuO4 Perovskite Solids in Three-Way-Catalysis

  • Anke Schön
  • Jean-Philippe Dacquin
  • Christophe Dujardin
  • Pascal Granger
Original Paper

Abstract

LaFe1−xCuxO3 and La2CuO4 catalysts are investigated for three-way-catalysis application. LaFe1−xCuxO3 solids present interesting catalytic properties mainly with respect to hydrocarbon and CO oxidation and NO reduction in rich conditions with high N2 selectivity. The partial substitution of iron with copper leads to enhanced catalytic activity for oxidation reactions. This can be attributed to the higher reducibility of the solid as evidenced earlier by H2-temperature-programmed reduction. The orthorhombic structure associated with LaFe1−xCuxO3 solids (x up to 0.2) revealed good thermal stability during catalytic cycles in stoichiometric, lean and rich conditions whereas the Ruddlesden Popper phase associated with La2CuO4 completely decomposed in rich conditions.

Keywords

Perovskite Three-way catalysis Nitrogen oxide Oxidation 

Notes

Acknowledgments

The research leading to these results has received funding from the European Union’s 7th Framework Programme under grant agreement no 280890-NEXT-GEN-CAT. The “Fonds Européen de Développement Régional (FEDER)”, “CNRS”, “Région Nord Pas-de-Calais” and “Ministère de l’Education Nationale de l’Enseignement Supérieur et de la Recherche” are acknowledged for funding X-ray diffractometers.

Supplementary material

11244_2016_615_MOESM1_ESM.docx (1.2 mb)
Supplementary material 1 (DOCX 1275 kb)

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Anke Schön
    • 1
  • Jean-Philippe Dacquin
    • 1
  • Christophe Dujardin
    • 1
  • Pascal Granger
    • 1
  1. 1.Univ. Lille, CNRS, ENSCL, Centrale Lille, Univ. Artois, UMR 8181–UCCS-Unité de Catalyse et Chimie du SolideLilleFrance

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