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学科主题: 物理化学
题名: Synthesis and hydrogen storage properties of lithium borohydride amidoborane complex
作者: Chen, Juner1;  He, Teng1;  Wu, Guotao1;  Xiong, Zhitao1;  Chen, Ping1
通讯作者: 吴国涛
关键词: Hydrogen storage ;  Lithium borohydride ;  Lithium amidoborane ;  Complex ;  Dehydrogenation
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2013-08-21
DOI: 10.1016/j.ijhydene.2013.01.094
卷: 38, 期:25, 页:10944-10949
收录类别: SCI ;  ISTP
合作性质: 
文章类型: Article
部门归属: DNL19
项目归属: DNL1901
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: A series of mixtures of LiAB/LiBH4 with different molar ratios were prepared and their hydrogen storage properties were investigated in this study. Among them, a new structure was found in the LiAB/LiBH4 sample with a molar ratio of 1/1. It is of orthorhombic structure and composed of alternative layers of LiAB and LiBH4. It shows similar hydrogen desorption behaviors of LiAB-LiBH4 and LiAB-0.5LiBH(4). For use in hydrogen storage, high hydrogen capacity and low operation temperature are demanded, thus, the dehydrogenation properties of LiAB-0.5LiBH(4) were subsequently measured. Three steps of desorption were observed during the heating process, with a total release of 11.5 wt% H-2 at 500 degrees C. The reaction path was identified using a combined investigation of XRD and B-11 solid state NMR. Dehydrogenation idnetic analyses show that the complex has lower activation energy (61 +/- 4 kJ mol(-1) H-2) than that of LiAB (71 +/- 5 kJ mol(-1) H-2). It is likely that dehydrogenation process was promoted due to the presence of LiBH4. Copyright (C) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: AMMONIA BORANE DEHYDROGENATION ;  LIBH4 ;  LI4BN3H10 ;  LINH2
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000324563100095
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/119395
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, Dalian Natl Lab Clean Energy, Dept Hydrogen Energy & Adv Mat,Complex Hydride Ma, Dalian 116023, Peoples R China

Recommended Citation:
Chen, Juner,He, Teng,Wu, Guotao,et al. Synthesis and hydrogen storage properties of lithium borohydride amidoborane complex[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2013,38(25):10944-10949.
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