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题名: A novel approach for CO-free H-2 production via catalytic decomposition of hydrazine
作者: Zheng, MY;  Cheng, RH;  Chen, XW;  Li, N;  Li, L;  Wang, XD;  Zhang, T
关键词: CO-free hydrogen ;  hydrazine decomposition ;  group VIII metals ;  nickel catalyst ;  autothermal
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2005-08-01
DOI: 10.1016/j.ijhydene.2004.09.014
卷: 30, 期:10, 页:1081-1089
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: Supported group VIII (8, 9, and 10) metal catalysts, such as Fe/SiO2, Ru/SiO2, CO/SiO2, Rh/SiO2, If/SiO2, Ni/SiO2, Pd/SiO2, and Pt/SiO2 have been prepared for use in the producing of CO-free H-2 via catalytic decomposition of hydrazine. Evaluation of the catalysts was conducted in a fixed-bed continuous-flow microreactor. All of the catalysts could catalyze the decomposition of hydrazine to form H-2 and N-2 at temperatures higher than 300 degrees C. Differing from the other catalysts, the Ni, Pd, and Pt catalysts were also able to produce hydrogen with very high selectivities under rather mild conditions. Ni/SiO2 was the best catalyst owing to its high activity and excellent H2 selectivity of higher than 90% at an initial temperature of similar to 30 degrees C. The selectivity was sensitive to the reaction temperature. Low temperatures (30-60 degrees C) were favorable for producing H-2 with high selectivity. The preparation method and the support have remarkable influence on the catalytic activity and selectivity of the nickel catalysts. The reasons for such dependences are discussed according to the TPR and H-2-TPD results of the nickel catalysts. (c) 2004 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: HYDROGEN STORAGE ;  MOLYBDENUM ;  AMMONIA ;  NITRIDE ;  HYDROCARBONS ;  GENERATION ;  ADSORPTION ;  THRUSTER ;  HYDRIDES ;  CARBIDE
语种: 英语
WOS记录号: WOS:000230349800006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139895
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, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China

Recommended Citation:
Zheng, MY,Cheng, RH,Chen, XW,et al. A novel approach for CO-free H-2 production via catalytic decomposition of hydrazine[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2005,30(10):1081-1089.
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