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. 03, 2002
Filed:
Aug. 29, 2000
Applicant:
Inventors:
Assignee:
Messier-Bugatti, Velizy Villacoublay, FR;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/86 ;
U.S. Cl.
CPC ...
H01M 4/86 ;
Abstract
A gas diffusion electrode comprises a cloth ( ) of activated carbon fibers having a first face coated in a hydrophobic material ( ) and a second face on which particles of catalyst ( ) are fixed directly and are dispersed in substantially uniform manner over the fibers. The electrode can be used in an electrochemical cell of a proton exchange membrane fuel-cell battery, or in an electrochemical reactor, e.g. for making chlorine and caustic soda.