贵金属前驱体与贵金属在载体上的分散性和稳定性有密切的关系,直接影响催化剂的催化活性和耐久性.作者筛选出一种不含氯的铂化合物,并作为铂的前驱体制成催化剂,经模拟配气评价,分析了此催化剂在热老化前后对NOx、HC和CO三种气体的催化转化效率和起活温度,并和以H2PtCl6为前驱体制成的催化剂进行了对照.结果表明,这种筛选出来的铂化合物完全可以取代H2PPtCl6作为一种新型的铂前驱体.
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