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Li-2(NH2BH3)(BH4)/LiNH2BH3: The first metal amidoborane borohydride complex with inseparable amidoborane precursor for hydrogen storage
J. H. Luo; H. Wu; W. Zhou; X. D. Kang; P. Wang
2013
Source PublicationInternational Journal of Hydrogen Energy
ISSN0360-3199
Volume38Issue:1Pages:197-204
AbstractA novel lithium amidoborane borohydride complex, Li-2(NH2BH3)(BH4), was synthesized using mechanochemical method and its crystal structure was successfully determined by a combination of X-ray diffraction (XRD) analysis and first-principles calculations. Interestingly, this compound does not exist as a pure phase, but requires almost equivalent amount of amorphous LiAB as a stabilizing agent. In this paper, we report a careful study of the structure, property, and dehydrogenation mechanism of the 1:1 Li-2(NH2BH3)(BH4)/LiAB composite. This composite can release similar to 8 wt% H-2 at 100 degrees C via a two-step dehydrogenation process, with dehydrogenation ldnetics better than the parenting phases. The composite and its dehydrogenation products were characterized by the combined XRD, Fourier transformation infrared (FTIR) spectroscopy, and solid-state B-11 MAS NMR techniques. Selective deuterium labeling was performed to elucidate a reaction sequence for the hydrogen release by analyzing the released gases. Copyright (c) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
description.department[luo, junhong ; kang, xiangdong ; wang, ping] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [wu, hui ; zhou, wei] nist, nist ctr neutron res, gaithersburg, md 20899 usa. [wu, hui ; zhou, wei] univ maryland, dept mat sci & engn, college pk, md 20742 usa. ; wang, p (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; huiwu@nist.gov ; pingwang@imr.ac.cn
KeywordHydrogen Storage Dehydrogenation Ammonia Borane Amidoborane Lithium Borohydride Ammonia-borane Thermal-decomposition Crystal-structure Dehydrogenation Lithium Release Hydrolysis Generation Compound Hydride
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71398
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. H. Luo,H. Wu,W. Zhou,et al. Li-2(NH2BH3)(BH4)/LiNH2BH3: The first metal amidoborane borohydride complex with inseparable amidoborane precursor for hydrogen storage[J]. International Journal of Hydrogen Energy,2013,38(1):197-204.
APA J. H. Luo,H. Wu,W. Zhou,X. D. Kang,&P. Wang.(2013).Li-2(NH2BH3)(BH4)/LiNH2BH3: The first metal amidoborane borohydride complex with inseparable amidoborane precursor for hydrogen storage.International Journal of Hydrogen Energy,38(1),197-204.
MLA J. H. Luo,et al."Li-2(NH2BH3)(BH4)/LiNH2BH3: The first metal amidoborane borohydride complex with inseparable amidoborane precursor for hydrogen storage".International Journal of Hydrogen Energy 38.1(2013):197-204.
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