Fig.5-17 Oxidation status of Pt and Ce
Oxidation status of (a) Pt in the conventional Pt catalyst and (b) Pt and Ce in Pt-CeOx nanocomposite catalyst. In the Pt-CeOx nanocomposite catalyst, oxidation of the Pt surface is greatly suppressed. Blue and red data points correspond to positive- and negative-going scans, respectively.
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