Alloys or metallic compositions – Hydrogen storage
Patent
1996-01-19
1999-05-25
Ip, Sikyin
Alloys or metallic compositions
Hydrogen storage
148420, 419 6, C01B 624
Patent
active
059067926
ABSTRACT:
Disclosed is a nanocrystalline composite useful for hydrogen storage, which provides optimum hydrogenation conditions along with high hydrogen storage capacity. This composite is the combination of at least one high temperature metal hydride such as Mg or Mg.sub.2 Ni, which has a high hydrogen storage capacity by weight but requires high temperatures for hydrogen absorption and desorption, with at least one low temperature metal hydride such as FeTi, LaNi.sub.5, Nb, Mn or Pd, which has a low hydrogen storage capacity by weight but does not require high temperatures for hydrogen absorption and desorption. The high and low temperature metal hydrides are in direct contact with each other and each in the form of a nanocrystalline powder or layer. This composite is particularly useful as a hydrogen supply source for hydrogen-fueled vehicles.
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Boily Sabin
Huot Jacques
Schulz Robert
Strom-Olsen John
Zaluska Alicja
Hydro-Quebec and McGill University
Ip Sikyin
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