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题名: Highly efficient Ru/MgO catalysts for NH3 decomposition: Synthesis, characterization and promoter effect
作者: Zhang, J;  Xu, HY;  Ge, QJ;  Li, WZ
关键词: ruthenium nanoparticles ;  ammonia decomposition ;  hydrogen ;  polyol reduction
刊名: CATALYSIS COMMUNICATIONS
发表日期: 2006-03-01
DOI: 10.1016/j.catcom.2005.10.002
卷: 7, 期:3, 页:148-152
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Highly dispersed Ru nanoparticles exhibiting high catalytic activity in NH3 decomposition were prepared by a polyol reduction method. The physicochemical properties were studied using nitrogen physisorption, X-ray diffraction (XRD), transmission electron microcopy (TEM) and thermogravimetry (TG). BET measurements showed the obtained Ru/MgO mesoporous material possessed a surface area as high as 151 m(2) g(cat)(-1). As evidenced by TEM images, the particle size of Ru ranged narrowly from 1.2 to 2.3 nm. XRD examination revealed that the MgO particles as the support with mean size of 8 nm were successfully synthesized. Different alkali metal salts were added as the promoter through conventional impregnation, by which the catalytic activity could be significantly enhanced. (c) 2005 Elsevier B.V. All rights reserved.
关键词[WOS]: COX-FREE HYDROGEN ;  STRUCTURE SENSITIVITY ;  RU CATALYST ;  AMMONIA ;  GENERATION
语种: 英语
WOS记录号: WOS:000235859500007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140060
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, Grad Sch, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, J,Xu, HY,Ge, QJ,et al. Highly efficient Ru/MgO catalysts for NH3 decomposition: Synthesis, characterization and promoter effect[J]. CATALYSIS COMMUNICATIONS,2006,7(3):148-152.
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