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Advanced Materials

Significant Low-Temperature Redox Activity of Ce0.64Zr0.16Bi0.20O1.90 Supported on γ-Al2O3


  • The present work was supported by a Grant-in-Aid for Scientific Research No. 17350100 from the Ministry of Education, Culture, Sports, Science, and Technology (MEXT), Japan. This work was also partially supported by the Industrial Technology Research Grant Program in '02 (Project No. 02A27004c) from the New Energy and Industrial Technology Development Organization (NEDO) based on funds provided by the Ministry of Economy, Trade, and Industry, Japan (METI). Supporting Information is available online from Wiley InterScience or from the author.


A new catalyst CeO2-ZrO2-Bi2O3on La-stabilized γ-Al2O3 is prepared for advanced catalytic converters. The low-temperature redox activity of the catalyst (see figure), which is effective below 100 °C, has, to date, never been attained in conventional catalysts without help of precious metals.

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