Sealed lead-acid cells and batteries having internal and external restraint for accommodating plate growth
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United States of America Patent
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Jul 23, 2002
Grant Date -
N/A
app pub date -
Mar 1, 2000
filing date -
Jan 21, 1997
priority date (Note) -
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Abstract
Sealed lead-acid cells are disclosed which include an internal cell restraint contacting the interior surface of the cover and positioned between the positive plates and the cover, the internal cell restraint cooperates with an external cell restraint, such as a coated metal face plate, to direct positive plate growth which occurs in service away from the cover, the features disclosed allowing plastic-to-plastic terminal post-cover seals to be used and allow cells of capacities of up to 2,000 Ampere Hours or more to be provided.
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