Patent ID: 8652684

Claim:
An alkaline electrolyte battery comprising at least one anode comprising a composition comprising a mixture of: a) a first hydrogen-fixing alloy of formula R 1-t Mg t Ni s-z M z in which: R represents one or more elements chosen from the group comprising La, Ce, Nd and Pr; M represents one or more elements chosen from the group comprising Mn, Fe, Al, Co, Cu, Zr and Sn; 0.1≦t≦0.4; 3.0≦s≦4.3; z≦0.5; b) particles of a manganese compound in a proportion such that the mass of manganese represents between 1.3 and 5.5% of the mass of the alloy, c) an yttrium compound in a proportion such that the mass of yttrium represents from 0.1% to 2% of the mass of the alloy.