DICP OpenIR
Subject Area物理化学
Improved reversible hydrogen storage of LiAlH4 by nano-sized TiH2
Liu, Shu-Sheng1,2; Li, Zhi-Bao2; Jiao, Cheng-Li2; Si, Xiao-Liang1; Yang, Li-Ni4; Zhang, Jian2; Zhou, Huai-Ying1; Huang, Feng-Lei5; Gabelica, Zelimir6; Schick, Christoph7; Sun, Li-Xian1,2; Xu, Fen1,3; Sun LX(孙立贤)
KeywordTitanium Hydride Alanate Catalyst Dehydrogenation Regeneration
Source PublicationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY
2013-02-27
DOI10.1016/j.ijhydene.2012.11.042
Volume38Issue:6Pages:2770-2777
Indexed BySCI
Cooperation Status
SubtypeArticle
DepartmentDNL19
Funding ProjectDNL1903
Contribution Rank待补充
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Funding Organization2,1 ; 2,1 ; 2,1 ; 2,1
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels
WOS KeywordLITHIUM ALANATE LIALH4 ; THERMAL-DECOMPOSITION ; ALUMINUM-HYDRIDE ; COMPLEX HYDRIDES ; METAL-HYDRIDES ; DEHYDROGENATION ; NAALH4 ; LI3ALH6 ; REHYDROGENATION ; PERFORMANCE
AbstractTransition metal halides are mostly used as dopants to improve the hydrogen storage properties of LiAlH4, but they will cause hydrogen capacity loss because of their relatively high molecular weights and reactions with LiAlH4. To overcome these drawbacks, active nano-sized TiH2 (TiH2nano) prepared by reactive ball milling is used to dope LiAlH4. It shows superior catalytic effect on the dehydrogenation of LiAlH4 compared to commercial TiH2. TiH2nano-doped LiAlH4 starts to release hydrogen at 75 degrees C, which is 80 degrees C lower than the onset dehydrogenation temperature of commercial LiAlH4. About 6.3 wt.% H-2 can be released isothermally at 100 degrees C (800 min) or at 120 degrees C (150 min). The apparent activation energies of the first two dehydrogenation reactions of LiAlH4 are reduced by about 20 and 24 kJ mol(-1), respectively. Meanwhile, the regeneration of LiAlH4 is realized through extracting the solvent from LiAlH4 center dot 4THF, which is obtained by ball milling the dehydrogenated products of TiH2nano-doped LiAlH4 in the presence of THF and 5 MPa H-2. This suggests that TiH2 is also an effective catalyst for the formation of LiAlH4 center dot 4THF. Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
Language英语
Funding Organization2,1 ; 2,1 ; 2,1 ; 2,1
URL查看原文
WOS IDWOS:000315616400019
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/119430
Collection中国科学院大连化学物理研究所
Corresponding AuthorSun LX(孙立贤)
Affiliation1.Guilin Univ Elect Technol, Dept Mat Sci & Engn, Guilin 541004, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Mat & Thermochem Lab, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
3.Liaoning Normal Univ, Fac Chem & Chem Engn, Dalian 116029, Peoples R China
4.Liaoning Univ, Coll Chem, Shenyang 110036, Peoples R China
5.Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China
6.Univ Haute Alsace, ENSCMu, Lab LPI GSEC, F-68094 Mulhouse, France
7.Univ Rostock, Inst Phys, D-18051 Rostock, Germany
Recommended Citation
GB/T 7714
Liu, Shu-Sheng,Li, Zhi-Bao,Jiao, Cheng-Li,et al. Improved reversible hydrogen storage of LiAlH4 by nano-sized TiH2[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2013,38(6):2770-2777.
APA Liu, Shu-Sheng.,Li, Zhi-Bao.,Jiao, Cheng-Li.,Si, Xiao-Liang.,Yang, Li-Ni.,...&孙立贤.(2013).Improved reversible hydrogen storage of LiAlH4 by nano-sized TiH2.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,38(6),2770-2777.
MLA Liu, Shu-Sheng,et al."Improved reversible hydrogen storage of LiAlH4 by nano-sized TiH2".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 38.6(2013):2770-2777.
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