The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 13, 1982
Filed:
Jan. 26, 1981
Fritz G Will, Scotia, NY (US);
General Electric Company, Schenectady, NY (US);
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 protective at least substantially pinhole-free shield of electrically conducting material, said shield being composed of a coating of semiconducting metal oxide, or a composite of at least a substantially pinhole-free external coating of semiconducting metal oxide and at least a substantially pinhole-free coating of metal intermediate to the substrate and semiconducting oxide coating, said sulfuric acid electrolyte having a substantially deleterious effect on said substrate but having no significant deleterious effect on the shield.