Synthesis and Characterization of CeO2-ZrO2-Al2O3 with High Thermal Stability and Oxygen Storage Capacity from Pseudoboehmite Precursor
2012 ◽
Vol 463-464
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pp. 160-164
Keyword(s):
X Ray
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The surface and structural properties, thermal stability and oxygen storage capability are inverstigated in ceria-zirconia-alumina oxide with deposition coprecipitation method using the Pseudoboehmite precursor. X-ray diffraction (XRD), Brunauer-Emmet Teller method (BET), Transmission electron microscopy (TEM) and oxygen pulsing technique are used to character the prepared materials. The prepared ceria-zirconia-alumina oxides are highly dispersed composite solid solution. After calcination at 650 °C and 1000 °C respectively, these compounds can still keep the structural and textural stability and hold excellent oxygen storage capability.