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:
Sep. 08, 1992
Filed:
Dec. 31, 1990
Luz Electric Fuel Israel Limited, Jerusalem, IL;
Abstract
The invention provides a bipolar electrode for use in a primary metal/air battery of the type having a metallic slurry anode, the electrode comprising a current-collecting, electrolyte-impervious metallic structure having a first surface for collecting current from the metallic slurry anode, and a metallic air cathode spaced from the structure and having a plurality of electrically-conductive protrusions extending at least from a central area of a first surface thereof and attached to a second surface of the structure, a second surface of the air cathode being provided with an inner hydrophobic waterproof barrier layer which is impermeable to electrolyte but permeable to oxygen gas and coated with an outer active catalytic layer.