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:
Jun. 08, 1982
Filed:
Jul. 10, 1981
Applicant:
Inventor:
Henry F Gibbard, Schaumburg, IL (US);
Assignee:
Gould Inc., Rolling Meadows, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 27 ; 429 42 ; 429219 ; 429224 ;
Abstract
Metal/oxygen cells such as zinc/oxygen cells using air as the source of oxygen are provided with a cathode comprising a unitary member which, in a preferred embodiment, satisfies all of the diverse requirements for a cathode in this type of cell, the unitary member consisting of a hydrophobic portion and a hydrophilic portion comprising an ion exchange material which carries the desired amounts of an oxygen reduction catalyst. In a preferred embodiment, the oxygen reduction catalyst likewise serves as the current collector.