Positive plate active material forcell, method for producing electrolytic manganese dioxide, and cell
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United States of America Patent
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Issued Date -
Oct 20, 2005
app pub date -
Apr 11, 2005
filing date -
Oct 11, 2002
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Abandoned
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Abstract
A positive electrode active material for battery consisting of electrolytic manganese dioxide and a battery wherein this positive electrode active material is used, this electrolytic manganese dioxide being such that, when it is heated and the weight loss thereof is measured, the weight loss at 200.degree. C. to 400.degree. C. is not less than 2.7 wt %. The amount of weight lost in this temperature range is proportional to the quantity of bound waters inside the electrolytic manganese dioxide.
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