Properties of La0.2Y0.8Ni5-xMnx alloys for high-pressure hydrogen compressor
Luo, G.1,2; Chen, J. P.3; Li, S. L.1,2; Chen, W.1,2; Han, X. B.1,2; Chen, D. M.1; Yang, K.1
Corresponding AuthorChen, D. M.(
AbstractHydrogen absorption/desorption properties of La0.2Y0.8Ni5-xMnx (x = 0.2, 0.3, 0.4) alloys for high-pressure hydrogen compression application were investigated systematically. The Pressure Composition isotherms and absorption kinetics were measured at 293, 303 and 313 K by the volumetric method. XRD analyses showed that all the investigated alloys presented CaCu5 type hexagonal structure and the unit cell volume increased in both a and c lattice axes with Mn substitution. Hydrogen absorption/desorption measurements revealed that Mn could lower the plateau pressure effectively, improve the hydrogen storage capacity and absorption kinetics but slightly increase the slope of the pressure plateau and hysteresis. The study results suggest that La0.2Y0.8Ni4.8Mn0.2 is suitable for the high-pressure stage compression of the hydrogen compressor and the other two alloys, La0.2Y0.8Ni4.7Mn0.3 and La0.2Y0.8Ni4.6Mn0.4, for the preliminary stage. (C) 2009 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
KeywordHydrogen storage Metal hydride Hydrogen compressor Pulverization
Indexed BySCI
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS IDWOS:000281383900078
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Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorChen, D. M.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China
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GB/T 7714
Luo, G.,Chen, J. P.,Li, S. L.,et al. Properties of La0.2Y0.8Ni5-xMnx alloys for high-pressure hydrogen compressor[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2010,35(15):8262-8267.
APA Luo, G..,Chen, J. P..,Li, S. L..,Chen, W..,Han, X. B..,...&Yang, K..(2010).Properties of La0.2Y0.8Ni5-xMnx alloys for high-pressure hydrogen compressor.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,35(15),8262-8267.
MLA Luo, G.,et al."Properties of La0.2Y0.8Ni5-xMnx alloys for high-pressure hydrogen compressor".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 35.15(2010):8262-8267.
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