Abstract

This article focuses on the role of mixed oxides in the Ce–Zr–O system, which is important as an excellent promoter for oxygen storage capacity in automotive three-way catalysts. In a model of Pt–alumina catalysts, there is a clear effect of CeO2–ZrO2 solid solution on NO and CO removal activities under dynamic air/fuel conditions. It is suggested that the design and development of automotive catalyst can be realized through research on complex oxides in Ce–Zr–O and related systems.

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