制备了具有高性能的稀土储氧材料Ce0.45Zr0.45Y0.05La0.05O2和耐高温大比表面积材料La-Al2O3, 并以此为基础制备了Pt-Rh型中偶压缩天然气汽车尾气净化催化剂. 催化剂对模拟尾气具有较高的催化活性和稳定性,在捷达-MT型压缩天然气汽车上的测试结果表明该催化剂能够满足欧Ⅲ排放标准.
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