Abstract
CeO2–ZrO2 mixed oxides show improved redox properties as compared to CeO2 which makes them important innovative materials for three-way catalysts. The origin of this effect and the structural/redox correlation are discussed. The influence of the improved redox capacities on the reduction of NO by CO catalyzed by Rh/CeO2–ZrO2 catalysts is reported and evidence for an active role of the CeO2–ZrO2 support in NO activation is presented.
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