| abstract |
Alkaline battery possesses: the positive pole comprising nickel hydroxide particle and the cobalt additive covered by cobalt compound coating; And comprise the negative pole of the hydrogen bearing alloy containing nickel and cobalt.Described just having capacity V, described negative pole has capacity W, described cobalt additive is cobalt metal or cobalt compound, described positive pole contains the described cobalt additive of X quality %, described cobalt includes Y quality % in described hydrogen bearing alloy, X, Y, V, W meet relational expression: 1.1≤(X/Y) × (W/V)≤1.91. |