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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)
Source PublicationINORGANIC CHEMISTRY
2010-05-03
DOI10.1021/ic100308j
Volume49Issue:9Pages:4319-4323
Indexed BySCI
SubtypeArticle
Department19
Funding Project1901
Contribution Rank1;1
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Inorganic & Nuclear
WOS Research AreaChemistry
WOS KeywordHYDROGEN STORAGE MATERIAL ; AMMONIA-BORANE ; THERMAL-DECOMPOSITION ; CRYSTAL-STRUCTURE ; HYDRIDE ; RELEASE ; H3NBH3
AbstractA 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
Language英语
URL查看原文
WOS IDWOS:000276939100045
Citation statistics
Cited Times:40[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/103445
Collection中国科学院大连化学物理研究所
Corresponding AuthorChen P(陈萍)
Affiliation1.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
Recommended Citation
GB/T 7714
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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