Patent ID: 6066415
Filing Date: 2000-05-23
Classification: C01B,Y02E,Y10S

Abstract:
A hydrogen absorbing electrode containing a hydrogen absorbing alloy comprising at least one AB.sub.3 type crystal-structure phase selected from the group consisting of PuNi.sub.3 type crystal-structure phase and CeNi.sub.3 type crystal-structure phase and represented by the following formula (I):R(Ni.sub.1-x M.sub.x).sub.z (I)wherein R is at least one element selected from rare earth elements (including Y); M is at least one element selected from the group consisting of Al, Ga, Zn, Sn, Cu, Si, Ag, In, Ti, Zr, Hf, V, Nb, Ta, Cr, Fe, Mn, Mo and W; and x and z are respectively a number satisfying conditions: 0.01.ltoreq.x.ltoreq.0.2, and 2.5<z<3.25.