Agence Nationale De Valorisation De La Recherche (anvar)

Agence Nationale De Valorization De La Recherche

Michel Pezat

Paul Hagenmuller

Jean-Louis Soubeyroux

Abdelmalek Hbika

Bernard Tanguy

Bernard Darriet

Josik Portier

There is provided an efficient method of storing hydrogen in materials of small mass and small volume. The products of the present invention comprise intimate mixtures (as opposed to alloys) of magnesium and other metals or alloys capable of forming hydrides. The hydrides are selected so that the hydrides have a substantially lower thermal stability than that of magnesium hydride.

Method of storing hydrogen in intimate mixtures of hydrides of magnesium

The invention relates to the storing of hydrogen in hydrides of metallic alloys. These alloys include besides magnesium an element chosen from the lanthanides and/or element of group IIa of the periodic classification of elements. The magnesium may be, furthermore, possibly substituted among others by a transition metal. These alloys allow the reactivity of the magnesium to be increased in relation to the hydrogen during the hydrogen absorption process as shown by the curves of FIG. 1. Application: supplying hydrogen engines or other hydrogen energy receiving or transforming means with hydrogen.

Process for storing of hydrogen and the use thereof, particularly in

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Martillac, France

Michel Pezat