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Calcium Amidoborane Ammoniate-Synthesis, Structure, and Hydrogen Storage Properties
Chua, Yong Shen2; Wu, Guotao1; Xiong, Zhitao1; He, Teng1; Chen, Ping1
Source PublicationCHEMISTRY OF MATERIALS
2009-10-27
DOI10.1021/cm9020222
Volume21Issue:20Pages:4899-4904
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary
WOS Research AreaChemistry ; Materials Science
WOS KeywordTHERMAL-DECOMPOSITION ; CRYSTAL-STRUCTURES ; LITHIUM HYDRIDE ; BORANE ; NITRIDES ; METALS ; IMIDES ; ALKALI
AbstractA 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.
Language英语
WOS IDWOS:000270807800022
Citation statistics
Cited Times:74[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/141389
Collection中国科学院大连化学物理研究所
Affiliation1.Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Natl Univ Singapore, Dept Chem, Singapore 117542, Singapore
Recommended Citation
GB/T 7714
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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