HYDROGEN-SORBING ALLOY FOR NEGATIVE ELECTRODE OF NICKEL-HYDRIDE CELL Russian patent published in 1997 - IPC

FIELD: radioelectronic industry, supply sources for portable devices. SUBSTANCE: alloy contains lanthanum, zirconium, aluminium, nickel and, additionally, one of elements of the following series Si, Mn, Sc, Mg, Li, and B at the following ratio of components, mass %% La, 20-40; Zr, 1.5-6.0; Al, 2.0-5.0; and one element of series: silicon, manganese, scandium, magnesium, lithium and boron (0.1-0.75) and the balance, nickel at quantitative ratio of one element of the series to Al equal to 0.05-0.15. Introduction of one elements of above-indicated series in required amount and element to aluminium ratio in alloy improves strength of alloy and increase service life of cell by 30% as compared with prototype. EFFECT: increased service life. 1 tbl