Effects of high-temperature CeO2 calcination on the activity of Pt/CeO2 catalysts for oxidation of unburned hydrocarbon fuels

Author:

Lin Fan1,Rappé Kenneth1,Kovarik Libor1ORCID,Song Miao1ORCID,Li Xiaohong Shari1,Engelhard Mark1ORCID,Wang Yong12ORCID

Affiliation:

1. Institute for Integrated Catalysis, Pacific Northwest National Laboratory, P.O. Box 999, Richland, Washington 99354, USA

2. Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, Washington 99163, USA

Abstract

High temperature (800 °C) pre-calcination of CeO2 support decreases the surface defects and improves the mobility of surface lattice oxygen. As a result, the supported Pt clusters have higher oxygen coverage and superior HC oxidation activity.

Funder

Vehicle Technologies Program

Publisher

Royal Society of Chemistry (RSC)

Subject

Catalysis

Reference31 articles.

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4. Shape-dependent interplay between oxygen vacancies and Ag–CeO2 interaction in Ag/CeO2 catalysts and their influence on the catalytic activity

5. Influence of CeO2 morphology on the catalytic activity of CeO2–Pt hybrids for CO oxidation

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