Lead-acid battery having tin in positive active material and silica in separator
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United States of America Patent
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Dec 17, 2002
Grant Date -
Apr 12, 2001
app pub date -
Dec 5, 2000
filing date -
Dec 19, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
In a lead-acid battery, a positive active material includes tin in an amount of from not less than 0.2% to not more than 5% based on the weight thereof. The density of the positive active material after formation is from not less than 3.75 g/cc to not more than 5.0 g/cc. When the lead-acid battery is produced by a battery container formation, a time required between the injection of an electrolyte and the beginning of battery container formation is from not less than 0.1 hours to not more than 3 hours.
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