| Recent Developments in Doping and Structural Modification of Ceria-Based Catalysts |
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| 引用本文： | 冯长根 樊国栋. Recent Developments in Doping and Structural Modification of Ceria-Based Catalysts[J]. 中国稀土学报(英文版), 2005, 23(3): 309-313 |
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| 作者姓名： | 冯长根 樊国栋 |
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| 作者单位： | State Key Laboratory of Prevention and Control of Explosion Disasters，Beijing Institute of Technology，Beijing 100081，China，State Key Laboratory of Prevention and Control of Explosion Disasters，Beijing Institute of Technology，Beijing 100081，China |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | Itiswellknownthatautomotiveexhaustisoneofthemajorsourcesofairpollution .Oneofthewaytosolvethisproblemsistheuseofthetree waycatalysts(TWCs) ,whichareabletoneutralizeCO ,CHandNOxsimultaneously .ThemosteffectiveTWCsarethesystemsincludingCeO2[1,2 ] sinceithas…
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| 关 键 词： | 催化剂 稀土 氧化还原 Ce02 二氧化铈 |
Recent Developments in Doping and Structural Modification of Ceria-Based Catalysts |
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| Feng Changgen,Fan Guodong. Recent Developments in Doping and Structural Modification of Ceria-Based Catalysts[J]. Journal of Rare Earths, 2005, 23(3): 309-313 |
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| Authors: | Feng Changgen Fan Guodong |
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| Abstract: | Recent development in the modification of ceria-based catalysts for exhaust gas treatment was reviewed with the dependence of redox properties on structural characters of materials. The doping of ceria with different cations such as rare earth or transition metal oxides results in improvement of structural stability, catalytic function and resistance to sintering at high temperatures. Aging and reduction treatment at high temperatures promote ceria reduction and is beneficial for oxygen storage capacity of the three-way catalysts. Chemical filing technique is very effective in modifying the redox property in the low temperature regions. |
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| Keywords: | ceria-based oxides dopants structural modification redox aging chemical filing rare earths |
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