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Calcium Amidoborane Ammoniate-Synthesis, Structure, and Hydrogen Storage Properties
Chua, Yong Shen2; Wu, Guotao1; Xiong, Zhitao1; He, Teng1; Chen, Ping1
刊名CHEMISTRY OF MATERIALS
2009-10-27
DOI10.1021/cm9020222
21期:20页:4899-4904
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Materials Science
关键词[WOS]THERMAL-DECOMPOSITION ; CRYSTAL-STRUCTURES ; LITHIUM HYDRIDE ; BORANE ; NITRIDES ; METALS ; IMIDES ; ALKALI
英文摘要A new type of hydrogen storage material-namely, calcium amidoborane ammoniate (Ca(NH(2)BH(3))(2)center dot 2NH(3))-is synthesized by reacting calcium amide and ammonia borane in a molar ratio of 1:2. Structural analyses show that this newly developed complex has a orthorhombic structure (space group Pna21) with unit-cell parameters of a = 18.673(3) angstrom, b = 5.2283(8) angstrom, c 8.5748(12) angstrom, and V = 873.16(22) angstrom(3). The presence of NH(3) in the crystal lattice facilitates the formation of dihydrogen bonding between BH center dot center dot center dot HN, which is considerably shorter than that in calcium amidoborane (Ca(NH(2)BH(3))(2)). As a consequence, the bond lengths of B-H and N-H are increased comparatively. Our experimental results show that more than 8 wt % hydrogen can be released from Ca(NH2BH3)(2)center dot 2NH(3) without borazine emission at 150 degrees C.
语种英语
WOS记录号WOS:000270807800022
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被引频次:73[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/321008/141389
专题中国科学院大连化学物理研究所
作者单位1.Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Natl Univ Singapore, Dept Chem, Singapore 117542, Singapore
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Chua, Yong Shen,Wu, Guotao,Xiong, Zhitao,et al. Calcium Amidoborane Ammoniate-Synthesis, Structure, and Hydrogen Storage Properties[J]. CHEMISTRY OF MATERIALS,2009,21(20):4899-4904.
APA Chua, Yong Shen,Wu, Guotao,Xiong, Zhitao,He, Teng,&Chen, Ping.(2009).Calcium Amidoborane Ammoniate-Synthesis, Structure, and Hydrogen Storage Properties.CHEMISTRY OF MATERIALS,21(20),4899-4904.
MLA Chua, Yong Shen,et al."Calcium Amidoborane Ammoniate-Synthesis, Structure, and Hydrogen Storage Properties".CHEMISTRY OF MATERIALS 21.20(2009):4899-4904.
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