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Clean hydrogen production by the hydrolysis of magnesium-based material: Effect of the hydrolysis solution

hal.structure.identifierLaboratoire de Chimie Physique des Matériaux [LCPM]
hal.structure.identifierPlateforme de Recherche en NanoSciences et NanoTechnologie [PR2N]
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorAL BACHA, Serge
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorTHIENPONT, Anne
hal.structure.identifierLaboratoire de Chimie Physique des Matériaux [LCPM]
hal.structure.identifierPlateforme de Recherche en NanoSciences et NanoTechnologie [PR2N]
dc.contributor.authorZAKHOUR, Mirvat
hal.structure.identifierLaboratoire de Chimie Physique des Matériaux [LCPM]
hal.structure.identifierPlateforme de Recherche en NanoSciences et NanoTechnologie [PR2N]
dc.contributor.authorNAKHL, Michel
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBOBET, Jean-Louis
dc.date.issued2021
dc.identifier.issn0959-6526
dc.description.abstractEnAutonomous low-pressure hydrogen on demand system was found promising to supply fuel cell technology for light or short distance mobility applications. Among the various hydrogen production technologies, the hydrolysis reaction method of magnesium-based materials is one of the most suitable. Magnesium (Mg) powder ball milled with the simultaneous addition of graphite and nickel under Ar was used as the hydrolysis reagent for hydrogen production. The effects of the solution composition (i.e. NaCl, NH4Cl and HCl) and the temperature (i.e. from 0 °C to 60 °C) of the solution on the hydrolysis performances were discussed. The hydrolysis reaction was complete (i.e. yield = 100%) in less than 5 minutes, except that performed at 0 °C, regardless the hydrolysis solution. The activation energy of the reaction decreases with lowering the pH of the hydrolysis solution. Semi-quantitative analysis was performed to evaluate the variation of CH4, CO, CO2 and moisture contents in the hydrogen produced by the hydrolysis. The exothermicity of the reaction and the composition of the hydrolysis solution showed a major impact on the purity of hydrogen. Under standard pressure and ambient temperature conditions, the hydrolysis of magnesium-based materials is considered as a clean hydrogen production technique. Our results should be taken as the starting point to evaluate the purity of the hydrogen produced by the hydrolysis of Mg-based materials according to the ISO standard 14687:2019.
dc.language.isoen
dc.publisherElsevier
dc.subject.enHydrogen production
dc.subject.enHydrolysis
dc.subject.enHumidity
dc.subject.enCO2
dc.subject.enMagnesium
dc.subject.enClean hydrogen
dc.title.enClean hydrogen production by the hydrolysis of magnesium-based material: Effect of the hydrolysis solution
dc.typeArticle de revue
dc.identifier.doi10.1016/j.jclepro.2020.124498
dc.subject.halChimie/Matériaux
dc.subject.halChimie/Chimie inorganique
bordeaux.journalJournal of Cleaner Production
bordeaux.page124498
bordeaux.volume282
bordeaux.peerReviewedoui
hal.identifierhal-03097935
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03097935v1
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