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Stepwise Phase Transition in the Formation of Lithium Amidoborane
Wu, Chengzhang1; Wu, Guotao1; Xiong, Zhitao1; David, William I. F.2,3; Ryan, Kate R.2,3; Jones, Martin O.2,3; Edwards, Peter P.3; Chu, Hailiang1; Chen, Ping1; Chen P(陈萍)
刊名INORGANIC CHEMISTRY
2010-05-03
DOI10.1021/ic100308j
49期:9页:4319-4323
收录类别SCI
文章类型Article
部门归属19
项目归属1901
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Inorganic & Nuclear
研究领域[WOS]Chemistry
关键词[WOS]HYDROGEN STORAGE MATERIAL ; AMMONIA-BORANE ; THERMAL-DECOMPOSITION ; CRYSTAL-STRUCTURE ; HYDRIDE ; RELEASE ; H3NBH3
英文摘要A stepwise phase transition in the formation of lithium amidoborane via the solid-state reaction of lithium hydride and ammonia borane has been identified and investigated Structural analyses reveal that a lithium amidoborane-ammonia borane complex (LiNH(2)BH(3)center dot NH(3)BH(3)) and two allotropes of lithium amidoborane (denoted as alpha- and beta-LiNH(2)BH(3), both of which adopt orthorhombic symmetry) were formed in the process of synthesis LiNH(2)BH(3)center dot NH(3)BH(3) is the intermediate of the synthesis and adopts a monoclinic structure that features layered LINH(2)BH(3) and NH(3)BH(3) molecules and contains both ionic and dihydrogen bonds Unlike alpha-LINH(2)BH(3), the units of the beta phase have two distinct Li(+) and [NH(2)BH(3)](-) environments. beta-LINH(2)BH(3) can only be observed in energetic ball milling and transforms to alpha-LiNH(2)BH(3) upon extended milling. Both allotropes of LiNH(2)BH(3) exhibit similar thermal decomposition behavior, with 10.8 wt % H(2) released when heated to 180 degrees C; in contrast, LINH(2)BH(3)center dot NH(3)BH(3) releases approximately 14.3 wt % H(2) under the same conditions
语种英语
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WOS记录号WOS:000276939100045
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被引频次:39[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/103445
专题中国科学院大连化学物理研究所
通讯作者Chen P(陈萍)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England
3.Univ Oxford, ICL, Dept Chem, Oxford OX1 2JD, England
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Wu, Chengzhang,Wu, Guotao,Xiong, Zhitao,et al. Stepwise Phase Transition in the Formation of Lithium Amidoborane[J]. INORGANIC CHEMISTRY,2010,49(9):4319-4323.
APA Wu, Chengzhang.,Wu, Guotao.,Xiong, Zhitao.,David, William I. F..,Ryan, Kate R..,...&陈萍.(2010).Stepwise Phase Transition in the Formation of Lithium Amidoborane.INORGANIC CHEMISTRY,49(9),4319-4323.
MLA Wu, Chengzhang,et al."Stepwise Phase Transition in the Formation of Lithium Amidoborane".INORGANIC CHEMISTRY 49.9(2010):4319-4323.
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