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题名: Enhanced hydrogen desorption from the Co-catalyzed LiBH4-Mg(BH4)(2) eutectic composite
作者: Chen, Juner1;  Zhang, Yao1;  Xiong, Zhitao1;  Wu, Guotao1;  Chu, Hailiang1;  He, Teng1;  Chen, Ping1
关键词: Hydrogen storage ;  Borohydride ;  Co ;  Catalytic dehydrogenation ;  Eutectic composite
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2012-09-01
DOI: 10.1016/j.ijhydene.2012.06.057
卷: 37, 期:17, 页:12425-12431
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: Co-based catalyst can significantly improve the dehydrogenation kinetics of the eutectic composite of LiBH4-Mg(BH4)(2) (1/1 M ratio). The onset hydrogen desorption temperature of the composite is at about 155 degrees C, which is ca. 245, 110 or 27 degrees C lower than that of LiBH4, Mg(BH4)(2) or pristine LiBH4-Mg(BH4)(2), respectively. Upon holding the samples at 270 degrees C, the Co catalyzed composite can release hydrogen at a rate 1.6 times faster than that of the pristine one. Electron Paramagnetic Resonance (EPR) characterization evidenced that Co was in a reduced state of Co+ which may serve as the functional species in catalyzing the dehydrogenation of the composite. Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: COMPLEX HYDRIDES ;  LITHIUM BOROHYDRIDE ;  METAL BOROHYDRIDES ;  CATION BOROHYDRIDE ;  AMMONIA-BORANE ;  STORAGE ;  LIBH4 ;  DEHYDROGENATION ;  COBALT ;  DECOMPOSITION
语种: 英语
WOS记录号: WOS:000309024700044
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143091
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, Dept Hydrogen Energy & Adv Mat, Dalian Natl Lab Clean Energy, Complex Hydride Mat Res Grp,Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Chen, Juner,Zhang, Yao,Xiong, Zhitao,et al. Enhanced hydrogen desorption from the Co-catalyzed LiBH4-Mg(BH4)(2) eutectic composite[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2012,37(17):12425-12431.
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