CUZACQ, Laurent; POLIDO, Chloé; SILVAIN, Jean-François; BOBET, Jean-Louis

doi:10.3390/met13111868

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http://creativecommons.org/licenses/by-nd/

CUZACQ, Laurent
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

POLIDO, Chloé
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

SILVAIN, Jean-François
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
Department of Electrical and Computer Engineering

Langue

Article de revue

Ce document a été publié dans

Metals. 2023, vol. 13, n° 11, p. 1868

MDPI

Résumé en anglais

In this study, aluminum-magnesium (Al-Mg) bulk porous materials were fabricated by using uniaxial hot pressing to control the porosity rate of the material over a wide range (up to 50%). The fabricated materials were analyzed by X-ray diffraction and scanning electron microscopy. The results demonstrated the appearance of intermetallic (IM) phase Al 3 Mg 2 , and its quantity increased with the applied pressure. In the context of the decline of global fossil fuel reserves, the revalorization of these materials by hydrogen (H 2) production was investigated. Hydrolysis of the Al-Mg materials was carried out in a simulated seawater solution (aqueous solution of sodium chloride 35 g/L). The results showed the role of the porosity rate in the H 2 production properties of the fabricated materials; the increase of porosity rate from 10% to 50% cuts the reaction time in half. Finally, the role of IM phase Al 3 Mg 2 in H 2 production was highlighted through galvanic coupling.< Réduire

Mots clés en anglais

Al-Mg alloys

intermetallic phases

uniaxial hot pressing

hydrogen production

hydrolysis

URI

https://oskar-bordeaux.fr/handle/20.500.12278/185747

DOI

http://dx.doi.org/10.3390/met13111868

Project ANR

SOLid storage of HYDdrogen: new strategies, new materials

Origine

Importé de hal

Unités de recherche

Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB) - UMR 5026