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学科主题物理化学
Microstructure of Al-Li alloy and its hydrolysis as portable hydrogen source for proton-exchange membrane fuel cells
Fan, Mei-qiang1; Sun, Li-Xian2; Xu, Fen3; Mei, Desheng4; Chen, Da1; Chai, Wen-xiang1; Huang, Fen-lei5; Zhang, Qing-ming5; Sun LX(孙立贤); Xu F(徐芬)
关键词Al-li Alloy Hydrogen Generation Microstructure Hydrolysis Reaction
刊名INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
2011-08-01
ISSN0360-3199
DOI10.1016/j.ijhydene.2011.05.096
36期:16页:9791-9798
收录类别SCI
文章类型Article
部门归属DNL19
项目归属1903
产权排名2,2
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]ALUMINUM-ALLOYS ; WATER ; GENERATION ; CORROSION
英文摘要Microstructure of Al-Li alloy and its hydrolysis as portable hydrogen source for proton-exchange membrane fuel cells; Activated aluminum alloys are able to release hydrogen in neutral aqueous solutions at 298 K, but at lower theoretical hydrogen generation values than pure aluminum. This is because the additives in these alloys cannot react with water to produce H-2. In this paper, a new process to obtain hydrogen from milled Al-Li alloy in water is discussed. The optimized alloy is able to produce hydrogen yields > 1245 ml hydrogen/g alloy with higher than 90% conversion efficiency and a controllable hydrogen generation rate at 298 K and 1 atm. The improved hydrolysis properties mostly come from the increased lithium content, which helps decrease grain size, accompanied by the phase evolution of Al-Li to Al2Li3 to Al4Li9. Further analysis of the Li/Al mole ratio of the hydrolysis byproduct LiAl2(OH)(7) shows that excess LiOH accelerates aluminum hydrolysis in water. Other effects, such as milling time, annealing temperature, and additives, are also reported and discussed. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
语种英语
WOS记录号WOS:000294374800044
引用统计
被引频次:26[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/321008/115764
专题中国科学院大连化学物理研究所
通讯作者Sun LX(孙立贤); Xu F(徐芬)
作者单位1.China Jiliang Univ, Dept Mat Sci & Engn, Hangzhou 310018, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Mat & Thermochem Lab, Dalian 116023, Peoples R China
3.Liaoning Normal Univ, Dept Chem Engn, Dalian 116029, Peoples R China
4.Chinese Acad Sci, Shanghai Inst Mat Med, Dept Med Chem, Shanghai 201203, Peoples R China
5.Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China
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GB/T 7714
Fan, Mei-qiang,Sun, Li-Xian,Xu, Fen,et al. Microstructure of Al-Li alloy and its hydrolysis as portable hydrogen source for proton-exchange membrane fuel cells[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2011,36(16):9791-9798.
APA Fan, Mei-qiang.,Sun, Li-Xian.,Xu, Fen.,Mei, Desheng.,Chen, Da.,...&徐芬.(2011).Microstructure of Al-Li alloy and its hydrolysis as portable hydrogen source for proton-exchange membrane fuel cells.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,36(16),9791-9798.
MLA Fan, Mei-qiang,et al."Microstructure of Al-Li alloy and its hydrolysis as portable hydrogen source for proton-exchange membrane fuel cells".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 36.16(2011):9791-9798.
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