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题名: The effect of doping NiCl2 on the dehydrogenation properties of LiAlH4
作者: Sun, T.1;  Huang, C. K.1;  Wang, H.1;  Sun, L. X.2;  Zhu, M.1
通讯作者: M. Zhu
关键词: Hydrogen storage ;  Complex hydrides ;  LiAlH4 ;  NiCl2
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2008-11-01
DOI: 10.1016/j.ijhydene.2008.08.027
卷: 33, 期:21, 页:6216-6221
收录类别: SCI
文章类型: Article
部门归属: 15
项目归属: 1504
产权排名: 2;4
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: To investigate the effect of NiCl2 dopant and doping processes on the dehydrogenation behavior of LiAlH4, powder mixtures of LiAlH4 and NiCl2 dopant were prepared by designed mixing and milling processes. The microstructures of the powder mixtures were characterized by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The onset decomposition temperature and isothermal dehydrogenation kinetics were measured to identify the catalyzing effect of NiCl2 on the dehydrogenation properties of LiAlH4. It has been shown that NiCl2 could greatly reduce the onset decomposition temperature and enhance the dehydriding kinetic performance of LiAlH4. The experimental result showed that milling LiAlH4 and NiCl2 together for 0.5 h can obtain a homogeneous mixture of LiAlH4, which desorbed 4.2 wt% H-2 in 3 h at only 100 degrees C, and the onset decomposition temperature of LiAlH4 is decreased by 50 degrees C. However, higher amount of dopant and unfavorable distribution of NiCl2 in LiAlH4 may cause a reduction of the catalytic efficiency. (C) 2008 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: HYDROGEN STORAGE PROPERTIES ;  CATALYSTS ;  RELEASE ;  HYDRIDES ;  ALANATE ;  NAALH4 ;  LIBH4
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000261115300041
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/101429
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.S China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Mat & Thermochem Lab, Dalian 116023, Peoples R China

Recommended Citation:
Sun, T.,Huang, C. K.,Wang, H.,et al. The effect of doping NiCl2 on the dehydrogenation properties of LiAlH4[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2008,33(21):6216-6221.
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