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题名: Mesoporous Ru/MgO prepared by a deposition-precipitation method as highly active catalyst for producing COX-free hydrogen from ammonia decomposition
作者: Ju, Xiaohua1;  Liu, Lin1;  Yu, Pei1;  Guo, Jianping1;  Zhang, Xilun1, 2;  He, Teng1;  Wu, Guotao1;  Chen, Ping1
关键词: Mesoporous ;  Ru/MgO catalyst ;  COx-free H-2 ;  Ammonia decomposition ;  Deposition-precipitation method
刊名: APPLIED CATALYSIS B-ENVIRONMENTAL
发表日期: 2017-08-15
DOI: 10.1016/j.apcatb.2017.04.043
卷: 211, 页:167-175
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Engineering, Environmental ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Development of highly active catalyst for producing COX-free H-2 from ammonia decomposition is critical for the utilization of ammonia as H-2 carrier in proton exchange membrane fuel cell. Here, we present a deposition-precipitation (DP) method towards the synthesis of a highly active and stable mesoporous Ru/MgO catalyst for NH3 decomposition reaction. Nitrogen sorption measurements show that the deposition-precipitation method can introduce mesoporosity into the Ru/MgO-DP catalysts. Much enhanced Ru dispersion can be observed for the mesoporous Ru/MgO-DP catalysts in comparison with that of the Ru/MgO catalysts prepared by impregnation method due to the high surface area and plenty of mesopores of the Ru/MgO-DP catalysts. As a result, the mesoporous Ru/MgO-DP catalysts show significantly improved catalytic activity for NH3 decomposition. The activity of Ru/MgO-DP catalyst can be further remarkable enhanced with KOH, which can give comparable catalytic performance with that of the most efficient carbon nanotube supported Ru catalyst. (C) 2017 Elsevier B.V. All rights reserved.
关键词[WOS]: FUEL-CELL APPLICATIONS ;  SUPPORTED RUTHENIUM CATALYST ;  NH3 DECOMPOSITION ;  H-2 PRODUCTION ;  RU CATALYST ;  GENERATION ;  TEMPERATURE ;  PROMOTER ;  NANOPARTICLES ;  POTASSIUM
语种: 英语
WOS记录号: WOS:000400816200017
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/151985
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, Dalian Natl Lab Clean Energy, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Ju, Xiaohua,Liu, Lin,Yu, Pei,et al. Mesoporous Ru/MgO prepared by a deposition-precipitation method as highly active catalyst for producing COX-free hydrogen from ammonia decomposition[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2017,211:167-175.
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