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Development of PGM-free catalysts for automotive applications

  • III International Conference “Catalysis: Fundamentals and Applications”
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Abstract

The activity of Ag-based catalysts in soot oxidation using NO2 and oxygen as oxidants has been characterized in laboratory tests (TGA) and under real conditions on an engine dynamometer. Under low-temperature NO2-assisted and high-temperature O2-assisted soot oxidation conditions, the activity of Ag-based catalysts was found to be comparable or higher than that of commercial Pt-catalysts. In addition, Ag-based compositions also revealed noticeable NO x storage, some passive NO x reduction ability, and activity in NO oxidation. Ag-catalysts characterized in the present paper may be promising for the retrofit applications and high-temperature periodical regenerations with air for diesel passenger cars.

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Authors and Affiliations

  1. Ford Forschungszentrum Aachen, Süsterfeldstrasse 200, 52072, Aachen, Germany

    A. Shigapov, A. Dubkov, R. Ukropec & B. Carberry

  2. Ford Research and Innovation Center, Dearborn, MI, USA

    G. Graham, W. Chun & R. McCabe

Authors
  1. A. Shigapov
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  2. A. Dubkov
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  3. R. Ukropec
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  4. B. Carberry
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  5. G. Graham
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  6. W. Chun
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  7. R. McCabe
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Corresponding author

Correspondence to A. Shigapov.

Additional information

Published in Russian in Kinetika i Kataliz, 2008, Vol. 49, No. 5, pp. 793–803.

The text was submitted by the authors in English.

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Shigapov, A., Dubkov, A., Ukropec, R. et al. Development of PGM-free catalysts for automotive applications. Kinet Catal 49, 756–764 (2008). https://doi.org/10.1134/S0023158408050224

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  • DOI: https://doi.org/10.1134/S0023158408050224

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