Anode compositions for use in alkaline cells, zinc alloy powders to make up said anode compositions, and alkaline cells using said anode compositions
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United States of America Patent
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Issued Date -
Jan 23, 2003
app pub date -
Jun 11, 2002
filing date -
Jun 11, 2001
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Abandoned
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Abstract
A zinc alloy containing Al, Bi and In is reduced to particles by gas atomization and sieved to prepare a zinc alloy powder. A polyacrylic acid powder and a magnesium hydroxide powder are added to the zinc alloy powder and the ingredients are mixed to make an anode composition. Zinc oxide is added to an aqueous KOH solution to prepare a liquid electrolyte which is mixed with the anode composition under stirring to make a gelled anode composition that has improved performance in pulsed discharge to get large current without increasing the evolution of hydrogen gas.
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