Abstract

Abstract The reduction properties and oxygen storage capacity (OSC) of Ce–Fe mixed oxide (Ce/Fe = 4/1) were investigated. When TPR/OSC cycle was repeated, Ce–Fe mixed oxide gave a new reduction peak at 600 °C, suggesting the enhancement of the reducibility of iron ions. This was accounted by the formation of a solid solution and the participation of Fe2O3 as catalyst for the reduction of Ce–Fe mixed oxide.

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