Positive electrode for lead acid battery

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode

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429245, H01M 456

Patent

active

043260179

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.

REFERENCES:
patent: 3870563 (1975-03-01), Ruben
patent: 4037031 (1977-07-01), Jacob

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