Preparation of ceria-zirconia solid solution with enhanced oxygen storage capacity and redox performance

Lijing MENG1,Licheng LIU1,Xuehong ZI1,Hongxing DAI1,Hong HE1,Zhen ZHAO2,Xinping WANG3,

Front. Environ. Sci. Eng. ›› 2010, Vol. 4 ›› Issue (2) : 164-171.

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Front. Environ. Sci. Eng. ›› 2010, Vol. 4 ›› Issue (2) : 164-171. DOI: 10.1007/s11783-010-0019-2
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Research articles

Preparation of ceria-zirconia solid solution with enhanced oxygen storage capacity and redox performance

  • Lijing MENG1,Licheng LIU1,Xuehong ZI1,Hongxing DAI1,Hong HE1,Zhen ZHAO2,Xinping WANG3,
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Abstract

A new method called ultrasonic-assisted membrane reaction (UAMR) was reported for the fabrication of ceria-zirconia solid solution. A series of ceria-zirconia solid solutions with different Ce/Zr molar ratios were prepared by the UAMR method and characterized by X-ray diffraction (XRD), N2 adsorption, hydrogen temperature-programmed reduction (H2-TPR), scanning electron microscope (SEM), and transmission electron microscopy (TEM) techniques. The UAMR method proved to be superior, especially when the Ce/Zr molar ratio was lower than 1, in fabricating ceria-zirconia solid solutions with large BET surface area, high oxygen storage capacity (OSC), and low reduction temperature.

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membrane reaction / ceria-zirconia / Ce/Zr molar ratio / solid solution / hydrogen temperature-programmed reduction (H2-TPR)

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Lijing MENG, Licheng LIU, Xuehong ZI, Hongxing DAI, Hong HE, Zhen ZHAO, Xinping WANG,. Preparation of ceria-zirconia solid solution with enhanced oxygen storage capacity and redox performance. Front.Environ.Sci.Eng., 2010, 4(2): 164‒171 https://doi.org/10.1007/s11783-010-0019-2
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