ELECTROLYTIC MANGANESE DIOXIDE AND METHOD FOR PRODUCING THE SAME AND USE OF THE SAME

To provide an electrolytic manganese dioxide with good high-load discharge characteristics and high capacity when used as a positive-electrode material of an alkaline manganese battery and to provide a method for producing the electrolytic manganese dioxide. An electrolytic manganese dioxide with an alkaline potential of 290 mV or more and less than 350 mV, a manganese content of 60.3% by mass or more and 63.0% by mass or less in a dry state, a structural water content of 2.60% by mass or more as defined by mass loss at 110° C. to 240° C. and a total structural water content of 4.10% by mass or more, and a method for producing the electrolytic manganese dioxide.