Electrolytic manganese dioxide and method for its production, and its application
AssigneeTosoh Corporation
InventorsHiroshi Miura, Kazumasa Suetsugu, Takayuki Shoji
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Abstract
To provide electrolytic manganese dioxide excellent in packing property and high-rate discharge characteristics when used as a cathode material for alkaline dry cells. Electrolytic manganese dioxide in which the half-value width of the (110) plane in XRD measurement using CuKα line as the radiation source is at least 1.8° and less than 2.2°, the peak intensity ratio of X-ray diffraction peaks (110)/(021) is at least 0.70 and at most 1.00, and the JIS-pH (JIS K1467) is at least 1.5 and less than 5.0; a method for producing the electrolytic manganese dioxide; and its application.
Claims11
Electrolytic manganese dioxide, wherein a half width of the (110) plane in XRD measurement using CuKα line as a light source is at least 1.8° and less than 2.2°, a peak intensity ratio of X-ray diffraction peaks (110)/(021) is at least 0.70 and at most 1.00, and a JIS-pH (JIS K1467) is at least 1.5 and less than 5.0 and
- wherein, in a volume frequency distribution, with respect to a most frequent particle size (A) and a particle size width (B) at a ½ height of the most frequent particle size (A), the value of (B)/(A) is larger than 1.0 and at most 2.0.
Dependencies are inferred from the claim text.