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Mesoporous Ru/MgO prepared by a deposition-precipitation method as highly active catalyst for producing COX-free hydrogen from ammonia decomposition
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
2017-08-15
DOI10.1016/j.apcatb.2017.04.043
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
关键词[WOS]FUEL-CELL APPLICATIONS ; SUPPORTED RUTHENIUM CATALYST ; NH3 DECOMPOSITION ; H-2 PRODUCTION ; RU CATALYST ; GENERATION ; TEMPERATURE ; PROMOTER ; NANOPARTICLES ; POTASSIUM
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.
语种英语
WOS记录号WOS:000400816200017
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/151985
专题中国科学院大连化学物理研究所
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
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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.
APA Ju, Xiaohua.,Liu, Lin.,Yu, Pei.,Guo, Jianping.,Zhang, Xilun.,...&Chen, Ping.(2017).Mesoporous Ru/MgO prepared by a deposition-precipitation method as highly active catalyst for producing COX-free hydrogen from ammonia decomposition.APPLIED CATALYSIS B-ENVIRONMENTAL,211,167-175.
MLA Ju, Xiaohua,et al."Mesoporous Ru/MgO prepared by a deposition-precipitation method as highly active catalyst for producing COX-free hydrogen from ammonia decomposition".APPLIED CATALYSIS B-ENVIRONMENTAL 211(2017):167-175.
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