Oxygen pulse technique, XRD, H2-TPR, and BET surface area analysis methods were used to characterize the oxygen storage capacity (OSC), textual property, reduction behavior and surface area of the materials above respectively.

• 通过氧脉冲吸附，XRD，H_2-TPR，BET等研究手段来表征样品的储氧能力，物相组成，可还原性能以及比表面积等各方面的性能。