| abstract |
In an alkaline storage battery, a positive electrode material containing nickel hydroxide, a cobalt cerium compound containing cobalt and cerium, and a compound of at least one element of calcium, yttrium, europium, holmium, erbium, thulium, ytterbium and lutetium A positive electrode is provided. Also, a positive electrode material is produced by powder mixing nickel hydroxide particles, a cobalt cerium compound, and a compound of at least one element of calcium, yttrium, europium, holmium, erbium, thulium, ytterbium and lutetium. . |