Positive electrode for alkaline battery and alkaline battery using the same
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United States of America Patent
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Apr 10, 2012
Grant Date -
Feb 19, 2009
app pub date -
Aug 7, 2008
filing date -
Aug 10, 2007
priority date (Note) -
Expired
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Abstract
A positive electrode for an alkaline battery of the present invention includes a spinel-type manganese oxide as a positive electrode active material, wherein the spinel-type manganese oxide has a potential of 0.26 to 0.34 V with respect to a Hg/HgO reference electrode, and the content of the spinel-type manganese oxide in the entire positive electrode active material is not less than 30 mass %. Further, an alkaline battery of the present invention includes the above-described positive electrode for an alkaline battery of the invention, a negative electrode and an electrolyte.
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