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题名: Studies on hydrogen generation characteristics of hydrolysis of the ball milling Al-based materials in pure water
作者: Fan, Mei-Qiang;  Xu, Fen;  Sun, Li-Xian
通讯作者: 徐芬 ;  孙立贤
关键词: Al alloy ;  hydrolysis ;  hydrogen generation
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2007-09-01
DOI: 10.1016/j.ijhyden.2006.12.020
卷: 32, 期:14, 页:2809-2815
收录类别: SCI
文章类型: Article
部门归属: 15
项目归属: 1504
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
英文摘要: In this paper, a series of Al-based materials were prepared by ball milling and/or melting. The XRD, SEM and TG-DTA techniques were used for sample analyses. Effects of different metals such as Zn, Ca, Ga, Bi, Mg, In and Sn on the hydrogen generation through hydrolysis of the Al alloy were evaluated in pure water. The results showed that mechanical milling was more favorable than the melting method to synthesize the At alloys containing some metals with lower melting point and easier vaporization in the melting process. Addition of Bi and Sn could more significantly enhance Al reactivity with water in Al alloy than other metals such as Zn, Ca and Ga. Especially Al-Bi alloy had a faster hydrolysis rate than Al-Sn alloy at room temperature. For Al-Bi alloy, the addition of Zn and Ga accelerated the alloy hydrolysis while the effect of addition of other metals (Sn, In, Mg) on the hydrolysis of the alloy was reverse. Furthermore, the effect of some compounds (NaCl, MgCl2, CaH2) on the hydrolysis of the Al-Bi alloy was explored. It showed that the milling Al-Bi alloy together with the compounds could accelerate the formation of its mico-galvanic cell between the anode (Al) and cathode (Bi). The alloy composition was therefore optimized to be Bi, Zn, Ga, CaH2 and Al. The optimized Al alloy demonstrated a high hydrogen generation rate and theoretic hydrogen yields. (c) 2007 International Association for Hydrogen Energy. Published by Elsevier Ltd, All rights reserved.
关键词[WOS]: SODIUM-BOROHYDRIDE ;  STEAM ;  MG
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000250287300023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/99019
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.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Fan, Mei-Qiang,Xu, Fen,Sun, Li-Xian. Studies on hydrogen generation characteristics of hydrolysis of the ball milling Al-based materials in pure water[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2007,32(14):2809-2815.
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