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题名: CeO2-ZrO2-promoted CuO/ZnO catalyst for methanol steam reforming
作者: Zhang, Lei1, 2;  Pan, Liwei1;  Ni, Changjun1;  Sun, Tianjun1;  Zhao, Shengsheng1;  Wang, Shudong1;  Wang, Anjie2;  Hu, Yongkang3
关键词: Methanol steam reforming ;  Hydrogen ;  CO concentration ;  CeO2-ZrO2 ;  CO formation
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2013-04-15
DOI: 10.1016/j.ijhydene.2013.01.053
卷: 38, 期:11, 页:4397-4406
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Chemistry ;  Electrochemistry ;  Energy & Fuels
英文摘要: The Cu-based catalysts with different supports (CeO2, ZrO2 and CeO2-ZrO2) for methanol steam reforming (MSR) were prepared by a co-precipitation procedure, and the effect of different supports was investigated. The catalysts were characterized by means of N-2 adsorption-desorption, X-ray diffraction, temperature-programmed reduction, oxygen storage capacity and N2O titration. The results showed that the Cu dispersion, reducibility of catalysts and oxygen storage capacity evidently influenced the catalytic activity and CO selectivity. The introduction of ZrO2 into the catalyst improved the Cu dispersion and catalyst reducibility, while the addition of CeO2 mainly increased oxygen storage capacity. It was noticed that the CeO2-ZrO2-containing catalyst showed the best performance with lower CO concentration, which was due to the high Cu dispersion and well oxygen storage capacity. Further investigation illuminated that the formation of CO on CuO/ZnO/CeO2-ZrO2 catalyst mainly due to the reverse water gas shift. In addition, the CuO/ZnO/CeO2-ZrO2 catalyst also had excellent reforming performance with no deactivation during 360 h run time and was used successfully in a mini reformer. The maximum hydrogen production rate in the mini reformer reached to 162.8 dm(3)/h, which can produce 160-270 W electric energy power by different kinds of fuel cells. Copyright (c) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: OXYGEN STORAGE CAPACITY ;  COPPER-BASED CATALYSTS ;  FUEL-CELLS ;  HYDROGEN-PRODUCTION ;  OXIDE CATALYSTS ;  CU/ZNO/AL2O3 ;  PERFORMANCE ;  BEHAVIOR ;  H-2 ;  DEACTIVATION
语种: 英语
WOS记录号: WOS:000319029900020
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137833
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 116023, Peoples R China
2.Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116024, Peoples R China
3.Fushun Res Inst Petr & Petrochem, Fushun 113001, Peoples R China

Recommended Citation:
Zhang, Lei,Pan, Liwei,Ni, Changjun,et al. CeO2-ZrO2-promoted CuO/ZnO catalyst for methanol steam reforming[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2013,38(11):4397-4406.
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