Sealed lead-acid cells and batteries
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United States of America Patent
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-
Nov 25, 1997
Grant Date -
N/A
app pub date -
Jul 1, 1996
filing date -
Mar 26, 1991
priority date (Note) -
Expired
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Abstract
A sealed lead-acid cell or battery includes positive plates made from an alloy consisting essentially of lead, from about 0.025% to about 0.06% calcium, from about 0.3% to about 0.9% tin, and from about 0.015% to about 0.045% silver.
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