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Synthesis, Thermal Behavior, and Dehydrogenation Kinetics Study of Lithiated Ethylenediamine
Chen, Juner1,2; Wu, Guotao1; Xiong, Zhitao1; Wu, Hui3,4; Chua, Yong Shen1; Zhou, Wei3,4; Liu, Bin1; Ju, Xiaohua1; Chen, Ping1
KeywordAmines Crystallization Dehydrogenation Ladder Polymers Lithiation
Source PublicationCHEMISTRY-A EUROPEAN JOURNAL
2014-10-13
DOI10.1002/chem.201403047
Volume20Issue:42Pages:13636-13643
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Multidisciplinary
WOS Research AreaChemistry
WOS KeywordAMIDE LADDER STRUCTURES ; MIXED AGGREGATE MAA ; ASYMMETRIC-SYNTHESIS ; LITHIUM AMIDES ; HYDROGEN STORAGE ; ALLYLIC AMINES ; SINGLE CONCEPT ; RING-STACKING ; CHEMISTRY ; DECOMPOSITION
AbstractThe lithiation of ethylenediamine by LiH is a stepwise process to form the partially lithiated intermediates LiN(H)CH2CH2NH2 and [LiN(H)CH2CH2NH2][LiN(H)CH2CH2N(H)Li](2) prior to the formation of dilithiated ethylenediamine LiN(H)CH2CH2N(H)Li. A reversible phase transformation between the partial and dilithiated species was observed. One dimensional {LinNn} ladders and three-dimensional network structures were found in the crystal structures of LiN(H)CH2CH2NH2 and LiN(H)CH2CH2N(H)Li, respectively. LiN(H)CH2CH2N(H)Li undergoes dehydrogenation with an activation energy of 181 +/- 8kJmol(-1), whereas the partially lithiated ethylenediamine compounds were polymerized and released ammonia at elevated temperatures. The dynamical dehydrogenation mechanism of the dilithiated ethylenediamine compounds was investigated by using the Johnson-Mehl-Avrami equation.
Language英语
WOS IDWOS:000342797500025
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/145738
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.NIST, Ctr Neutron Res, Gaithersburg, MD 20899 USA
4.Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA
Recommended Citation
GB/T 7714
Chen, Juner,Wu, Guotao,Xiong, Zhitao,et al. Synthesis, Thermal Behavior, and Dehydrogenation Kinetics Study of Lithiated Ethylenediamine[J]. CHEMISTRY-A EUROPEAN JOURNAL,2014,20(42):13636-13643.
APA Chen, Juner.,Wu, Guotao.,Xiong, Zhitao.,Wu, Hui.,Chua, Yong Shen.,...&Chen, Ping.(2014).Synthesis, Thermal Behavior, and Dehydrogenation Kinetics Study of Lithiated Ethylenediamine.CHEMISTRY-A EUROPEAN JOURNAL,20(42),13636-13643.
MLA Chen, Juner,et al."Synthesis, Thermal Behavior, and Dehydrogenation Kinetics Study of Lithiated Ethylenediamine".CHEMISTRY-A EUROPEAN JOURNAL 20.42(2014):13636-13643.
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