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学科主题: 物理化学
题名: Mechanisms of H-2 generation for metal doped Al16M (M = Mg and Bi) clusters in water
作者: Li, Fen1, 3;  Sun, Lixian1, 2;  Zhao, Jijun3;  Xu, Fen2;  Zhou, Huai-Ying2;  Zhang, Qing-Ming4;  Huang, Feng-Lei4
通讯作者: 孙立贤
关键词: Al-17 cluster ;  Metal doping ;  H-2 production
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2013-06-10
DOI: 10.1016/j.ijhydene.2013.03.076
卷: 38, 期:17, 页:6930-6937
收录类别: SCI
合作性质: 
文章类型: Article
部门归属: DNL19
项目归属: DNL1903
产权排名: 待补充
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Electrochemistry ;  Energy & Fuels
资助者: 1,1
研究领域[WOS]: Chemistry ;  Electrochemistry ;  Energy & Fuels
英文摘要: We have systematically investigated the hydrolysis mechanism of metal doped Al16M (M = Al, Mg and Bi) clusters with H2O molecules and proposed a reasonable elucidation for the experimentally observed fast H-2 generation rate and high H-2 yield in the Al-Bi based composite. Mg and Bi showed negative effect on the dissociation process of the first H2O molecule, but accelerated further H-2 generation process. The investigation of persistent hydrolysis reactions demonstrated that the proton-transfer way makes the aluminum-water reaction a lasting process in the long-term H-2 generation in existence of Bi atom, which explains not only the previously observed fast H-2 generation rate but also high H-2 yields in the Bi added Al powder. Our experimental results of hydrogen generation form Al-Bi (Mg) mixture and water are in good agreement with the theory prediction. The facilitated hydrolysis reaction in Al16Bi cluster is attributed to the weakened hydroxide adsorption with the presence of Bi in the aluminum cluster, which is the key factor to accelerate the proton-transfer process. Copyright (c) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: HYDROGEN GENERATION ;  HYDROLYSIS REACTION ;  ALUMINUM ;  ALLOYS ;  SALT
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000320296700002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/119249
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.Dalian Inst Chem Phys, Mat & Thermochem Lab, Dalian 116023, Peoples R China
2.Guilin Univ Elect Technol, Fac Mat Sci & Engn, Guilin 541004, Peoples R China
3.Dalian Univ Technol, Coll Adv Sci & Technol, Dalian 116024, Peoples R China
4.Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China

Recommended Citation:
Li, Fen,Sun, Lixian,Zhao, Jijun,et al. Mechanisms of H-2 generation for metal doped Al16M (M = Mg and Bi) clusters in water[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2013,38(17):6930-6937.
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