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题名: Study of the controllable reactivity of aluminum alloys and their promising application for hydrogen generation
作者: Fan, Mei-qiang1, 2;  Sun, Li-xian1;  Xu, Fen1
关键词: Hydrolysis performance ;  Aluminum alloys ;  The additives
刊名: ENERGY CONVERSION AND MANAGEMENT
发表日期: 2010-03-01
DOI: 10.1016/j.enconman.2009.11.005
卷: 51, 期:3, 页:594-599
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Thermodynamics ;  Energy & Fuels ;  Mechanics ;  Physics, Nuclear
研究领域[WOS]: Thermodynamics ;  Energy & Fuels ;  Mechanics ;  Physics
英文摘要: The hydrolysis performances of two aluminum alloys are investigated as their reactivity can be controlled via the different additives. The additive of NaCl has the positive effect to improve the hydrolysis properties of the aluminum alloys with quicker hydrolysis kinetic and lower hydrolysis temperature. For examples, in 6 min of hydrolysis reaction, the Al-5 wt%Hg-5 wt%NaCl can produce 971 mL g(-1) hydrogen, higher than 917 mL g(-1) hydrogen from Al-10 wt%Hg alloy. The AI-In-NaCl alloy has lower hydrolysis temperature about 10 K than that of Al-In alloy. Meanwhile, the reactivity of At alloys can be improved or reduced via the additive metals. It can be found that the additive cadmium can reduce the reactivity of Al-Hg alloy. The Al-Hg-Cd alloys can keep good stability at the moist atmosphere below 343 K and have excellent hydrolysis performance around 343-373 K. The debased reactivity of Al-Hg-Cd composite comes from the formation of CdHg(2) compounds in the milling process. But the additive Zn and Ga doped into the AI-In-NaCl alloys can quickly increase the reactivity of the alloy which can quickly react with water at room temperature and have high hydrogen yield up to the theoretic value. Therefore, it is a promising possibility that the controllable reactivity of aluminum alloys can be obtained through the different additive according to the practical request, and the At alloys can produce pure hydrogen for the fuel cell via the hydrolysis reaction. (C) 2009 Elsevier Ltd. All rights reserved.
关键词[WOS]: CATHODIC POLARIZATION ;  BOROHYDRIDE SOLUTION ;  WATER ;  TEMPERATURE ;  HYDROLYSIS ;  ACTIVATION ;  MECHANISM ;  METAL ;  FUEL
语种: 英语
WOS记录号: WOS:000274090300026
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141943
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, Mat & Thermochem Lab, Dalian 116023, Peoples R China
2.China Jiliang Univ, Dept Mat Sci & Engn, Hangzhou 310018, Peoples R China

Recommended Citation:
Fan, Mei-qiang,Sun, Li-xian,Xu, Fen. Study of the controllable reactivity of aluminum alloys and their promising application for hydrogen generation[J]. ENERGY CONVERSION AND MANAGEMENT,2010,51(3):594-599.
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