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:
Feb. 03, 1981
Filed:
Sep. 27, 1979
Robert Lindstrom, Gloucester, MA (US);
Robert J Allen, Saugus, MA (US);
Walter Juda, Lexington, MA (US);
Prototech Company, Newton, MA (US);
Abstract
This disclosure is concerned with improved thin gas diffusion electrodes comprising open pore carbon cloth substrates provided with a uniform mixture of catalytic carbon particles and preferably Teflon particles adhered within the cloth pores and to the yarns of the cloth, formed into an electrode assembly with a plurality of closely spaced preferably noble metal current collecting contacts throughout the area of the cloth and connected to external terminals for use in electrochemical cells, including metal-air batteries and zinc electro-winning cells and the like, operating at high current densities.