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学科主题: 物理化学
题名: Synthesis and hydrogen storage properties of lithium borohydride urea complex
作者: Liu, Lin1;  Wu, Guotao1;  Chen, Weidong1;  Xiong, Zhitao1;  He, Teng1;  Chen, Ping1
通讯作者: 吴国涛 ;  陈萍
关键词: Hydrogen storage ;  Hydride ;  LiBH4 center dot CO(NH2)(2) complex ;  Dehydrogenation
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2015-01-05
DOI: 10.1016/j.ijhydene.2014.11.023
卷: 40, 期:1, 页:429-434
收录类别: SCI
文章类型: Article
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: Interaction of [BHx] and [NHx] species gives rise of molecular hydrogen and the set-up of B-N bond. Metal amides and ammonia are the commonly used [NHx] sources. Herein, urea (CO(NH2)(2)), an organic carbonyl diamide, was applied to react with LiBH4. A new type of complex hydrides LiBH4 center dot CO(NH2)(2), was synthesized by ball milling LiBH4 and CO(NH2)(2) in a molar ratio of 1:1 in this work. Structural analyses show that this newly developed complex has a monoclinic structure (space group C12/c1) with unit-cell parameters of a = 14.629(2) angstrom, b = 5.8701(11) angstrom, c = 13.662(3) angstrom, beta = 115.135(7)degrees, and V = 1062.1(3) angstrom(3), in which Li+ coordinates with two [BH(4)1(-) groups and two O atoms of two CO(NH2)(2) molecules. The dehydrogenation properties of LiBH4 center dot CO(NH2)(2) were subsequently measured, and ca. 8.13 wt% of H-2 can be released exothermically at temperatures below 250 degrees C. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: NANOPOROUS CARBON ;  LIBH4 ;  DESTABILIZATION ;  HYDRIDE ;  DEHYDROGENATION ;  AMIDOBORANES ;  DIFFRACTION ;  DESORPTION ;  DYNAMICS ;  METALS
语种: 英语
WOS记录号: WOS:000348687300044
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144281
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 116023, Peoples R China

Recommended Citation:
Liu, Lin,Wu, Guotao,Chen, Weidong,et al. Synthesis and hydrogen storage properties of lithium borohydride urea complex[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2015,40(1):429-434.
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