Lead acid battery including a two-layer carbon foam current collector
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United States of America Patent
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Mar 19, 2013
Grant Date -
May 21, 2009
app pub date -
Nov 20, 2007
filing date -
Nov 20, 2007
priority date (Note) -
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Abstract
A lead acid battery includes a housing and at least one cell disposed within the housing. Each cell includes at least one positive plate and at least one negative plate and an electrolyte disposed in a volume between the positive and negative plates. The at least one negative plate includes a current collector, consisting essentially of a layer of carbon foam disposed on a substrate, and a chemically active material disposed on the current collector.
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