Positive electrode for lead acid battery
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United States of America Patent
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Apr 20, 1982
Grant Date -
N/A
app pub date -
Jan 26, 1981
filing date -
Jan 26, 1981
priority date (Note) -
Expired
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Importance
Abstract
A positive electrode for use in a lead-sulfuric acid electrolyte battery comprised of a grid supporting a layer of PbO.sub.2, said grid being comprised of an electrically conducting substrate having an adherent, contacting, at least substantially pinhole-free coating of semiconducting metal oxide, the sulfuric acid electrolyte having no significant deleterious effect on the coating and forming a non-corroding oxide with the substrate at sites of pinholes.
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