Preparation method of cerium oxide-based composite oxide material

The invention belongs to the technical field of catalyst materials, and relates to a preparation method of a cerium oxide-based composite oxide material. The preparation method comprises the following steps: (1) precipitating; (2) pretreatment; (3) etching; and (4) post-treatment. The preparation method of the cerium oxide-based composite oxide material has the advantages of simple process flow, low cost and no need of an organic template agent, and is suitable for preparing the cerium oxide-based composite oxide material with a large specific surface area in large-scale industrial production. 本发明属于催化剂材料技术领域，涉及一种氧化铈基复合氧化物材料的制备方法。所述的制备方法包括如下步骤：(1)沉淀；(2)预处理；(3)刻蚀；(4)后处理。利用本发明的氧化铈基复合氧化物材料的制备方法，能够工艺流程简单、成本低廉、无需有机模板剂、适用于大规模工业生产的制备大比表面积的氧化铈基复合氧化物材料。