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贵金属部分取代稀土钙钛矿B位在汽车排放中的应用

Replacement of Rare-Earth Perovskite (ABO3) on B-Site by Noble Metals for Controlling Automobile Emission
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摘要 研究了以钙钛矿LaMnO3为基体的贵金属三效催化剂中两者的相互作用状况及对CO,NO的催化氧化还原反应.实验结果表明,由于贵金属和稀土氧化物的相互作用降低了CO,NO反应的起活温度.从微观结构探讨了贵金属与复合稀土氧化物之间的相互作用机理,并且认为贵金属对稀土钙钛矿结构中B位的部分取代是开发贵金属-稀土三效汽车尾气净化催化剂的重要理论基础.
作者 桓源峰
出处 《中国稀土学报》 CAS CSCD 北大核心 2004年第z2期58-61,共4页 Journal of the Chinese Society of Rare Earths
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参考文献6

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