Hydrogen storage alloy

Details Hydrogen storage alloy Hydrogen storage alloy

1983-03-14

1984-07-03

Rutledge, L. Dewayne

Alloys or metallic compositions

Manganese base

420580, 420581, 420583, 420582, 423644, C22C 3000, C01B 602

Patent

active

044578911

ABSTRACT:
A hydrogen storage material is described which comprises an alloy of the composition of 25 to 30.9% by weight of Ti, about 10 to about 42% by weight of V and about 27.1 to about 65.1% by weight of Mn. The proviso is that more than 2 up to at most 2.2 atoms are present per titanium atom. Up to about 40%, preferably about 10 to about 40%, of the vanadium atoms can be replaced by iron atoms and up to about 10%, preferably about 3 to about 10%, can be replaced by aluminum atoms, but not more than about 40% of the vanadium atoms in total are replaced. Moreover, in place of titanium, a mixture can be used in which up to about 20% of the titanium fraction are replaced by Ca, Y, La, misch metal, or mixtures thereof. Up to about 0.2 atom of Cr per the titanium atom, up to about 0.1 atom of Ni per titanium atom and up to about 0.05 atom of Cu per titanium atom can also be present, but not more than about 0.1 atom of Ni plus Cu, these atoms replacing the same number of vanadium atoms.

REFERENCES:
patent: 4079523 (1978-03-01), Sandrock
patent: 4111689 (1978-09-01), Liu
patent: 4152145 (1979-05-01), Sandrock
patent: 4160014 (1979-07-01), Gamo et al.
patent: 4195989 (1980-04-01), Gamo et al.
patent: 4358316 (1982-11-01), Liu et al.
patent: 4370163 (1983-01-01), Moriwaki et al.

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