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Hydrogen generation by hydrolysis reaction using magnesium alloys with long period stacking ordered structure

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorLEGRÉE, Manuel
hal.structure.identifierNational Institute of Advanced Industrial Science and Technology [AIST]
dc.contributor.authorCHARBONNIER, Véronique
hal.structure.identifierInstitut de Chimie Moléculaire et des Matériaux d'Orsay [ICMMO]
hal.structure.identifierInstitut Lavoisier de Versailles [ILV]
dc.contributor.authorAL BACHA, Serge
hal.structure.identifierNational Institute of Advanced Industrial Science and Technology [AIST]
dc.contributor.authorASANO, Kohta
hal.structure.identifierNational Institute of Advanced Industrial Science and Technology [AIST]
dc.contributor.authorSAKAKI, Kouji
hal.structure.identifierInstitut de Mécanique et d'Ingénierie [I2M]
dc.contributor.authorAUBERT, Isabelle
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMAUVY, Fabrice
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBOBET, Jean-Louis
dc.date.issued2021-10
dc.identifier.issn0360-3199
dc.description.abstractEnIn the present work are reported the hydrogen generation performances of Long Period Stacking Ordered (LPSO) compounds with 18R, 14H and 10H-type structures by hydrolysis reaction in simulated seawater solution (35 g/L NaCl). LPSO compounds and LPSO + Mg alloys synthesized by induction melting are described in the light of their microstructural and electrochemical properties. Except for 10H type, all LPSO present improved H2 generation features compared to pure Mg. Indeed, 80% of the reaction is achieved in less than 40 minutes. The highest generation yield of 90% is obtained for single phase LPSO Mg87.6Ni5.5Y6.9. Alloys containing both Mg and LPSO beneficiate from galvanic coupling between the two phases leading to higher reactivity. The activation energies of 27.3 and 85.4 kJ/mol determined for Mg91Ni4Y5 (14H + Mg) and Mg83.3Cu7.2Y9.5 (18R) respectively clearly highlight this benefit from galvanic coupling.
dc.language.isoen
dc.publisherElsevier
dc.subject.enMagnesium
dc.subject.enLPSO
dc.subject.enHydrogen generation
dc.subject.enHydrolysis
dc.subject.enCorrosion
dc.title.enHydrogen generation by hydrolysis reaction using magnesium alloys with long period stacking ordered structure
dc.typeArticle de revue
dc.identifier.doi10.1016/j.ijhydene.2021.08.087
dc.subject.halChimie/Matériaux
bordeaux.journalInternational Journal of Hydrogen Energy
bordeaux.page35161-35171
bordeaux.volume46
bordeaux.issue71
bordeaux.peerReviewedoui
hal.identifierhal-03368335
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03368335v1
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