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题名: Near Ambient Condition Hydrogen Storage in a Synergized Tricomponent Hydride System
作者: Wang, Han1, 2;  Wu, Guotao1;  Cao, Hujun3;  Pistidda, Claudio3;  Chaudhary, Anna-Lisa3;  Garroni, Sebastiano4, 5;  Dornheim, Martin3;  Chen, Ping1
刊名: ADVANCED ENERGY MATERIALS
发表日期: 2017-07-05
DOI: 10.1002/aenm.201602456
卷: 7
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Energy & Fuels ;  Materials Science, Multidisciplinary ;  Physics, Applied ;  Physics, Condensed Matter
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Materials Science ;  Physics
英文摘要: Reversible hydrogen storage over hydrides of light elements (HLEs) under ambient condition has been pursued actively for nearly two decades. However, because of unfavorable thermodynamics and/or severe kinetic barrier of HLEs, limited progress has been made. Here, it is demonstrated that the interaction of LiBH4 with Mg(NH2)(2) and LiH, three of the most investigated HLEs, can lead to a fully reversible dehydrogenation/rehydrogenation cycle at temperatures below 373 K. More importantly, with the desorption enthalpy of 24 kJ (mol H-2)(-1) the dehydrogenation process at 1.0 bar H-2 is theoretically possible to be as low as 266 K. Characterization of this combination of HLEs shows that LiBH4 serves as a reagent complexing with intermediates and products of the dehydrogenation of Mg(NH2)(2)-LiH, and significantly alters the overall thermodynamic and kinetic properties of the system.
关键词[WOS]: N-H SYSTEM ;  COMPOSITIONAL CHANGES ;  COMPLEX HYDRIDES ;  METAL-HYDRIDES ;  LIBH4 ;  LIH ;  DESTABILIZATION ;  BOROHYDRIDES ;  DESORPTION ;  MG(NH2)(2)
语种: 英语
WOS记录号: WOS:000404751700009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152062
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, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Helmholtz Zentrum Geesthacht, Inst Mat Res Mat Technol, D-21502 Geesthacht, Germany
4.Univ Sassari, Dept Chem & Pharm, Via Vienna 2, I-07100 Sassari, Italy
5.INSTM, Via Vienna 2, I-07100 Sassari, Italy

Recommended Citation:
Wang, Han,Wu, Guotao,Cao, Hujun,et al. Near Ambient Condition Hydrogen Storage in a Synergized Tricomponent Hydride System[J]. ADVANCED ENERGY MATERIALS,2017,7.
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