Les alliages terre rare-magnesium riches en magnesium et leur application au stockage de l'hydrogene

The LnMg 12, Ln 2Mg 17 and Ln 5Mg 41 alloys (Ln = La, Ce or mischmetal) have been investigated. The composition range and the stability of the various phases have been determined. They decompose during hydriding with formation of magnesium hydride and the corresponding rare-earth hydride. The study...

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Bibliographic Details
Published in:Materials research bulletin 1979, Vol.14 (3), p.377-385
Main Authors: Darriet, Bernard, Pezat, Michel, Hbika, Abdelmalek, Hagenmuller, Paul
Format: Article
Language:fre ; eng
Subjects:
Chemical Sciences
Material chemistry
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Summary:The LnMg 12, Ln 2Mg 17 and Ln 5Mg 41 alloys (Ln = La, Ce or mischmetal) have been investigated. The composition range and the stability of the various phases have been determined. They decompose during hydriding with formation of magnesium hydride and the corresponding rare-earth hydride. The study of absorption-desorption hydriding cycles at different temperatures and various pressures shows that these alloys could be used as high performance hydrogen storage materials.
ISSN:0025-5408
1873-4227
DOI:10.1016/0025-5408(79)90103-X