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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation of ceria-zirconia solid solution with enhanced oxygen storage capacity and redox performance
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.
Preparation of ceria-zirconia solid solution with enhanced oxygen storage capacity and redox performance
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.
Preparation of ceria-zirconia solid solution with enhanced oxygen storage capacity and redox performance
Meng, Lijing (Autor:in) / Liu, Licheng (Autor:in) / Zi, Xuehong (Autor:in) / Dai, Hongxing (Autor:in) / Zhao, Zhen (Autor:in) / Wang, Xinping (Autor:in) / He, Hong (Autor:in)
10.04.2010
8 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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