Patent ID: 6130006
Filing Date: 2000-10-10
Classification: C01B,H01M,Y02E,Y10S

Abstract:
A hydrogen-absorbing alloy made of either an alloy ingot which has been prepared by means of a casting or sintering method, or a pulverized product of said alloy ingot, and said alloy ingot being represented by the following general formula (1);(M.sub.1-a-b R1.sub.a M1.sub.b)Ni.sub.z ( 1)wherein R1 is at least one element selected from rare earth elements (including Y); M1 is at least one element selected from elements having a larger electronegativity than that of Mg (excluding the elements of R1, Cr, Mn, Fe, Co, Cu, Zn and Ni); and a, b and z are respectively a number satisfying conditions: 0.1.ltoreq.a.ltoreq.0.8, 0<b.ltoreq.0.9, 1-a-b>0, and 3.ltoreq.z.ltoreq.3.8.