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The new ternary intermetallic NdNiMg5: hydrogen sorption properties and more
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | OURANE, Bassem | |
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | GAUDIN, Etienne | |
hal.structure.identifier | Department of Electrical Engineering | |
dc.contributor.author | LU, Yong Feng | |
hal.structure.identifier | Département de Chimie | |
dc.contributor.author | ZOUARI, Rhida | |
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | BOBET, Jean-Louis | |
hal.structure.identifier | Département de Chimie | |
dc.contributor.author | BEN SALAH, Abdelhamid | |
dc.date.issued | 2015 | |
dc.identifier.issn | 0025-5408 | |
dc.description.abstractEn | The hydrogen sorption properties of the new compound NdNiMg5 have been investigated. The compound starts to absorb hydrogen at 573 K under a pressure of 1 MPa. The absorption leads to the decomposition into two binary hydrides MgH2 and NdH2.6, and a ternary hydride Mg2NiH4. The maximum hydrogen sorption capacity reached is 3.2 wt.% and the cycling properties of the mixture decreases quickly due to grain growth. The activation energies for absorption and desorption are estimated to be equal to 14(3) kJ/mol H2 and 110(9) kJ/mol H2, respectively. Preliminary studies of the mechanical properties were also performed. Despite the high content in magnesium, NdNiMg5 exhibits an average microhardness of 210 Hv and a reduced Young Modulus of 9(1) GPa. | |
dc.language.iso | en | |
dc.publisher | Elsevier | |
dc.subject.en | Inorganic compounds | |
dc.subject.en | Electron microscopy | |
dc.subject.en | Energy storage | |
dc.subject.en | Crystal structure | |
dc.title.en | The new ternary intermetallic NdNiMg5: hydrogen sorption properties and more | |
dc.type | Article de revue | |
dc.identifier.doi | 10.1016/j.materresbull.2014.10.026 | |
dc.subject.hal | Chimie/Matériaux | |
bordeaux.journal | Materials Research Bulletin | |
bordeaux.page | 275-279 | |
bordeaux.volume | 61 | |
bordeaux.peerReviewed | oui | |
hal.identifier | hal-01080080 | |
hal.version | 1 | |
hal.popular | non | |
hal.audience | Internationale | |
hal.origin.link | https://hal.archives-ouvertes.fr//hal-01080080v1 | |
bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Materials%20Research%20Bulletin&rft.date=2015&rft.volume=61&rft.spage=275-279&rft.epage=275-279&rft.eissn=0025-5408&rft.issn=0025-5408&rft.au=OURANE,%20Bassem&GAUDIN,%20Etienne&LU,%20Yong%20Feng&ZOUARI,%20Rhida&BOBET,%20Jean-Louis&rft.genre=article |
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