ICCAS OpenIR
Decomposition pathway of Mg(BH4)(2) under pressure: Metastable phases and thermodynamic parameters
Yang, Junzhi1,2; Zhang, Xuanzhou1; Zheng, Jie1; Song, Ping1; Li, Xingguo1
2011-02-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume64Issue:3Pages:225-228
AbstractThe conditions of formation of polyborane intermediate species of Mg(BH4)(2) during the partial dehydriding reaction and their properties have been experimentally investigated. A six step thermal decomposition pathway is first proposed. Hydrogen capacity, reaction enthalpy and activation energy values of each step are calculated to discuss the thermodynamically determined decomposition temperature and the kinetic barriers. In addition, a metastable MgB2H6 phase, which was previously predicted from density functional theory calculations, is confirmed by pressure-content isotherm measurements carried out at 277 C. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordHydrogen Storage Differential Scanning Calorimetry Metastable Phases Thermodynamics
DOI10.1016/j.scriptamat.2010.10.019
Indexed BySCI
Language英语
WOS IDWOS:000285323300004
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:23[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/72686
Collection中国科学院化学研究所
Corresponding AuthorLi, Xingguo
Affiliation1.Peking Univ, Coll Chem & Mol Engn, State Key Lab Rare Earth Mat Chem & Applicat, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China
2.Peking Univ, Coll Engn, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Yang, Junzhi,Zhang, Xuanzhou,Zheng, Jie,et al. Decomposition pathway of Mg(BH4)(2) under pressure: Metastable phases and thermodynamic parameters[J]. SCRIPTA MATERIALIA,2011,64(3):225-228.
APA Yang, Junzhi,Zhang, Xuanzhou,Zheng, Jie,Song, Ping,&Li, Xingguo.(2011).Decomposition pathway of Mg(BH4)(2) under pressure: Metastable phases and thermodynamic parameters.SCRIPTA MATERIALIA,64(3),225-228.
MLA Yang, Junzhi,et al."Decomposition pathway of Mg(BH4)(2) under pressure: Metastable phases and thermodynamic parameters".SCRIPTA MATERIALIA 64.3(2011):225-228.
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