Patent ID: 7582381
Filing Date: 2009-09-01
Classification: H01M,Y02E,Y10S

Abstract:
1. An alkaline storage cell comprising: a positive electrode; an alkaline electrolyte; and a negative electrode containing a hydrogen storage alloy, the hydrogen storage alloy having a composition expressed by a general expression: (where Ln represents at least one element chosen from a group consisting of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Ca, Sr, Sc, Y, Ti, Zr and Hf, T represents at least one element chosen from a group consisting of V, Nb, Ta, Cr, Mo, Mn, Fe, Co, Zn, Ga, Sn, In, Cu, Si, P and B, and subscripts α, β, γ and δ represent numerical values which satisfy wherein the hydrogen storage alloy includes