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题名: Lithium amidoborane hydrazinates: synthesis, structure and hydrogen storage properties
作者: He, Teng1;  Wu, Hui2, 3;  Wu, Guotao1;  Li, Zhao1;  Zhou, Wei2, 3;  Ju, Xiaohua1;  Xie, Dong1;  Chen, Ping1, 4
刊名: JOURNAL OF MATERIALS CHEMISTRY A
发表日期: 2015
DOI: 10.1039/c5ta00985e
卷: 3, 期:18, 页:10100-10106
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
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Materials Science
英文摘要: The first metal amidoborane hydrazinate with a composition of LiNH2BH3 center dot NH2NH2 was successfully synthesized and characterized in the present study. LiNH2BH3 center dot NH2NH2 exhibits a monoclinic P2(1)/n space group with lattice parameters of a = 10.0650 angstrom, b = 6.3105 angstrom, c = 7.4850 angstrom, and beta = 107.497 degrees. Meanwhile, lithium amidoborane hydrazinates with different molar ratios of LiNH2BH3 (LiAB) and NH2NH2 were synthesized and characterized. It was found that 4LiAB-NH2NH2 can release 1.6 equiv. and 2.5 equiv. of H-2/LiAB at 75 degrees C and 170 degrees C, respectively. Therefore, around 7.1 wt% and 11.1 wt% of hydrogen can be released from 4LiAB-NH2NH2 at 75 degrees C and 170 degrees C, respectively, which are higher values than those for pristine LiAB. A dehydrogenation mechanism, which may be initiated by the "homogeneous dissociation" of N-N in hydrazine, is also proposed and discussed in this study.
关键词[WOS]: AMMONIA-BORANE DEHYDROGENATION ;  CRYSTAL-STRUCTURE ;  THERMAL-DECOMPOSITION ;  NEUTRON-DIFFRACTION ;  METAL AMIDOBORANES ;  RELEASE ;  ALKALI ;  AMIDOTRIHYDROBORATE ;  HYDRAZINIDOBORANE ;  CATALYSIS
语种: 英语
WOS记录号: WOS:000353927500094
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146215
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
2.NIST, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA
3.Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA
4.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
He, Teng,Wu, Hui,Wu, Guotao,et al. Lithium amidoborane hydrazinates: synthesis, structure and hydrogen storage properties[J]. JOURNAL OF MATERIALS CHEMISTRY A,2015,3(18):10100-10106.
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