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题名: Effect of Zirconium in La(Ba)ZrxCo1-xO3-delta Perovskite Catalysts for N2O Decomposition
作者: Liu Shuang1, 2;  Cong Yu1;  Kappenstein, Charles1, 3;  Zhang Tao1
关键词: lanthanum cobaltate ;  barium cobaltate ;  zirconium ;  nitrous oxide ;  decomposition
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2012-06-01
DOI: 10.1016/S1872-2067(11)60402-6
卷: 33, 期:6, 页:907-913
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Zr-incorporated La(Ba)ZrxCo1-xO3-delta perovskites were prepared by a sol-gel method and used for the catalytic decomposition of the high concentrations of N2O present in propulsion applications. The introduction of Zr significantly enhanced N2O conversion, esp. with x = 0.05 and 0.2 for LaZrxCo1-xO3-delta and BaZrxCo1-xO3-delta, respectively. N-2 adsorption, X-ray diffraction, temperature-programmed reduction of H-2, temperature-programmed desorption of O-2, and oxygen pulse chemisorption techniques were used to characterize the structure and redox and oxygen adsorption property of the perovskites. The increasing of the surface area, modifying of the crystal structure, more facile reducibility of cobalt species, and higher oxygen desorption-adsorption activity due to the introduction of Zr were the reasons for the activity enhancement for N2O decomposition.
关键词[WOS]: NITROUS-OXIDE ;  OXYGEN STORAGE ;  DIESEL SOOT ;  PERFORMANCE ;  OXIDATION ;  LACOO3 ;  CO ;  COMBUSTION ;  MEMBRANE ;  REMOVAL
语种: 英语
WOS记录号: WOS:000305108900001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138085
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Univ Poitiers, Inst Chem Mediums & Mat Poitiers, F-86022 Poitiers, France

Recommended Citation:
Liu Shuang,Cong Yu,Kappenstein, Charles,et al. Effect of Zirconium in La(Ba)ZrxCo1-xO3-delta Perovskite Catalysts for N2O Decomposition[J]. CHINESE JOURNAL OF CATALYSIS,2012,33(6):907-913.
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