A positive electrode active material for a battery, consisting essentially of manganese dioxide, contains 5 to 400 ppm of magnesium or 0.001 to 3.0% by weight of titanium, thereby achieving even higher performance of a battery, such as enhanced pulse chara...

A blended solution is made by melting LiOH.H2O into distilled water, and then, Co metallic powders are added into the blended solution to make a reactive solution. The reactive solution is charged into an autoclave, and held at a predetermined temperature....