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Abstract Methane dry reforming reaction was investigated over Ir catalysts supported on ceria-based solid solutions. The doping of Pr 6 O 11 or ZrO 2 into the matrix of ceria… Click to show full abstract
Abstract Methane dry reforming reaction was investigated over Ir catalysts supported on ceria-based solid solutions. The doping of Pr 6 O 11 or ZrO 2 into the matrix of ceria yields more oxygen defects, resulting in an improved redox property and enhanced metal-support interaction in Ir/Ce 0.9 M 0.1 O 2 (M = Pr, Zr) catalysts compared to Ir/CeO 2 catalyst. The Ir/Ce 0.9 M 0.1 O 2 (M = Pr, Zr) catalysts showed higher catalytic performance and better stability than the Ir/CeO 2 catalyst, which were assigned to positive effects of doping in maintaining Ir nanoparticles, stabilizing catalyst structure, and the strong metal-support interaction in reducing carbon deposition.
Journal Title: Catalysis Today
Year Published: 2017
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