NOVELTY - A positive electrode comprises an active material powder consisting of nickel-hydroxide particles coated with a cobalt-compound film layer, and an additive powder. The additive powder comprises zinc compound powder, and yttrium and/or ytterbium compound powder blended in a ratio defined based on the parameter which shows the ratio of capacitance characteristics in the upper limit temperature of the utilization temperature range of alkaline storage battery using the positive electrode, and output characteristics in the minimum utilization temperature.    USE - Positive electrode is used in manufacture of alkaline storage batteries (all claimed) e.g. nickel hydride storage battery used in portable electronic device, electric vehicles, and hybrid vehicles.    ADVANTAGE - The positive electrode provides alkaline storage batteries having excellent performance characteristics and low environmental dependence.    DETAILED DESCRIPTION - A positive electrode comprises an active material powder consisting of nickel-hydroxide particles coated with a cobalt-compound film layer. The active material powder and an additive powder are mixed in preset ratio. The additive powder comprises zinc compound powder, and yttrium compound powder and/or ytterbium compound powder blended in a ratio defined based on the parameter which shows the ratio of capacitance characteristics in the upper limit temperature of the utilization temperature range of alkaline storage battery using the positive electrode, and the output characteristics of alkaline storage battery in the minimum temperature of utilization temperature range. INDEPENDENT CLAIMS are included for the following:    (1) manufacture of positive electrode;    (2) alkaline storage battery;    (3) manufacture of alkaline storage battery;    (4) positive-electrode active material comprising nickel-hydroxide particles coated with cobalt-compound film layer. The specific surface area of nickel-hydroxide particles is 3 m2/g or more, and the specific surface area after film-coating is 18-23 m2/g. The increase amount of specific surface area is 12 m2/g or less; and    (5) manufacture of positive-electrode active material.