Positive plate for alkaline secondary batteries and alkaline secondary battery
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United States of America Patent
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Issued Date -
Sep 6, 2007
app pub date -
Sep 27, 2006
filing date -
Sep 29, 2005
priority date (Note) -
Abandoned
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Abstract
A positive plate for alkaline secondary batteries has a porous substrate having electrical conductivity and vacancies and a positive mixture filled into the vacancies of the porous substrate. The positive mixture includes a positive electrode active material and a binding agent, the positive electrode active material having generally spherical first particles containing higher-ordered nickel hydroxide, and nonspherical second particles containing nickel hydroxide and having an average valence number of nickel lower than an average valence number of nickel in the first particles.
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