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New Strategies for the Improvement of Automobile Catalysts
Instituto de Catálisis y Petroleoquímica (CSIC), Campus Cantoblanco, 28049-Madrid, Spain
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Received: 26 September 2001; Accepted: 23 October 2001 / Published: 13 November 2001
Abstract: This paper provides a review of recently obtained spectroscopic results, ab-initio calculations and catalytic activity tests from the authors´ laboratory of factors affecting the performance of materials used as automobile catalysts. Issues addressed include the preparation of (Ce,Zr)Ox/Al2O3 (CZA) mixed oxide supports and the use of new active metals, such as Pd and Cu, for three-way catalysts (TWCs); the performance of non-noble transition metals, such as Co or Ag, for pollution control under lean conditions; and the use of Pt/BaOx/Al2O3 (PtBa) for engine exhaust gas treatment under oscillating lean-stoichiometric conditions.
Keywords: Automobile catalysts; Depollution technologies; TWCs; Stoichiometric; Lean and Oscillating engines
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Fernández-García, M.; Martínez-Arias, A.; Iglesias-Juez, A.; Hungría, A.B.; Anderson, J.A.; Conesa, J.C.; Soria, J. New Strategies for the Improvement of Automobile Catalysts. Int. J. Mol. Sci. 2001, 2, 251-262.
Fernández-García M, Martínez-Arias A, Iglesias-Juez A, Hungría AB, Anderson JA, Conesa JC, Soria J. New Strategies for the Improvement of Automobile Catalysts. International Journal of Molecular Sciences. 2001; 2(5):251-262.
Fernández-García, M.; Martínez-Arias, A.; Iglesias-Juez, A.; Hungría, A. B.; Anderson, J. A.; Conesa, J. C.; Soria, J. 2001. "New Strategies for the Improvement of Automobile Catalysts." Int. J. Mol. Sci. 2, no. 5: 251-262.