Hydrogen storage material

Details Hydrogen storage material Hydrogen storage material

1977-01-18

1979-05-08

Dean, R.

Metal treatment

Compositions

Heat treating

34 15, 75134C, 75134F, 75134M, 75134N, 75161, 751755, 75176, 75177, 423644, C22C 2200

Patent

active

041534840

ABSTRACT:
An economical metallic material for storage of hydrogen constituted by an intermetallic compound which exists as a Laves phase, has a hexagonal crystal structure of the MgZn.sub.2 type (C14 type), and in which the crystal lattice parameters a and c are in the ranges a= 4.80.about. 5.10 (A) and c= 7.88.about. 8.28 (A). The material of the inventon permits absorption of large amounts of hydrogen and efficient desorption thereof under close to normal temperature and pressure conditions, and for reduced cost of material preferably includes as principal components manganese and at least titanium or zirconium.

REFERENCES:
patent: 2926981 (1960-03-01), Stout et al.
patent: 3922872 (1975-12-01), Reilly et al.

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