Patent ID: 8481210
Filing Date: 2013-07-09
Classification: C22C,C22F,H01M,Y02E

Abstract:
1. A hydrogen-absorbing alloy represented by a general formula wherein: Ln is at least one element selected from rare-earth elements including Y, Ca, Zr, and Ti; A is at least one element selected from Co, Fe, Mn, V, Cr, Nb, Al, Ga, Zn, Sn, Cu, Si, P and B; and 0.15≦x≦0.30, 0<z≦1.5 and 2.8≦y+z≦4.0 are satisfied, wherein a main phase has a hexagonal system crystal structure or a rhombohedral system crystal structure, and a subphase in the range of 10 μm×10 μm of a cross section of the main phase has an average number of a line of not less than 50 μm in thickness of 3 or less.