Application and research progress of rare earth in automotive exhaust catalytic purification
Application and research progress of rare earth in automotive exhaust catalytic purification
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DOI：
10.1360/032012-229
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发表时间：
2012
期刊：
影响因子：
--
通讯作者：
Bin Wang;Xiaodong Wu;Rui Ran;Zhichun Si;D. Weng
中科院分区：
文献类型：
--
作者：
Bin Wang;Xiaodong Wu;Rui Ran;Zhichun Si;D. Weng
随着中国排放法规的日益严格，对汽车尾气净化催化剂提出了更高的要求。稀土元素以其特殊的4f电子壳层结构和储氧能力等化学性质被广泛应用于汽车尾气催化剂中。综述了稀土在汽车尾气催化剂中的应用及其机理的研究进展。根据新排放标准，讨论了新一代催化剂的要求。分析了稀土在高性能催化剂中的可能作用。展望了稀土在汽车尾气催化剂中的应用前景。
With the emission regulations getting increasingly stringent in China,higher requirements for automotive exhaust purification catalysts are presented.Rare earth elements are widely used in automotive exhaust catalysts due to their special 4f electron shell structure and chemical properties such as oxygen storage capacity.The applications and research processes on the corresponding mechanisms of rare earths in automotive exhaust catalysts were summarized.The requirements of next generation catalysts were discussed based on the new emission limits in Beijing V regulation.Possible roles of rare earths in high performance catalysts were analyzed.The future application of rare earths in automotive exhaust catalysts was prospected.