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Exergy analysis and optimization of methanol generating hydrogen system for PEMFC
Wang, Sheng; Wang, Shudong; Wang SD(王树东); Wang SD(王树东)
关键词Generating Hydrogen Exergy Analysis System Optimization
刊名INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
2006-09-01
DOI10.1016/j.ijhydene.2005.12.005
31期:12页:1747-1755
收录类别SCI
文章类型Article
部门归属9
项目归属901
产权排名1;1
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
关键词[WOS]FUEL-CELL ; THERMODYNAMIC ANALYSIS ; OPERATING-CONDITIONS ; ENERGY ; ETHANOL
英文摘要An exergy analysis of methanol autothermal generating hydrogen system for PEMFC is presented. The process combines a catalytic combustion heat exchanger (CCHE), using partial off-gases containing hydrogen as feedstock, with an auto-thermal reformer (ATR), two water gas shift (WGS) reactors and four preferential oxidation (PROX) reactors. Energy and exergy of system were calculated and analyzed. The results demonstrated that inner exergy losses resulted from the irreversible heat transfer and reaction were the dominant factors. The most important destruction of exergy within the system was found to occur in the reformer and the catalytic combustion heat exchanger. Their ratios of exergy loss accounted for 25.03% and 24.95%, respectively, of the whole system. Based on results of thermodynamic and exergetic analysis, the reformer was optimized. The optimal W/M (molar water to methanol) is around 1.5-2.0 and AIM (molar air to methanol) is around 1.5. Certain recommendations were posed. The conclusions could help to optimize methanol autothermal generating hydrogen system for PEMFC. (c) 2006 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
语种英语
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WOS记录号WOS:000241127800014
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被引频次:24[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/97745
专题中国科学院大连化学物理研究所
通讯作者Wang SD(王树东); Wang SD(王树东)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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GB/T 7714
Wang, Sheng,Wang, Shudong,Wang SD,et al. Exergy analysis and optimization of methanol generating hydrogen system for PEMFC[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2006,31(12):1747-1755.
APA Wang, Sheng,Wang, Shudong,王树东,&王树东.(2006).Exergy analysis and optimization of methanol generating hydrogen system for PEMFC.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,31(12),1747-1755.
MLA Wang, Sheng,et al."Exergy analysis and optimization of methanol generating hydrogen system for PEMFC".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 31.12(2006):1747-1755.
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