Zinc alloy powder for use in rechargeable cells
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United States of America Patent
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Feb 5, 2002
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app pub date -
Apr 30, 1999
filing date -
Apr 30, 1999
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Abstract
Rechargeable cells employing mercury- and lead-free zinc-bismuth alloys as negative active materials are provided. Such cells demonstrate low after-cycle gassing, improved cumulative discharge capacities and initial discharge performances comparable to that of rechargeable cells that employ leaded zinc powders as negative anode materials.
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