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. 25, 2003
Filed:
Oct. 18, 2000
Applicant:
Inventors:
Bhaskar Sompalli, Rochester, NY (US);
Hubert Gasteiger, Rochester, NY (US);
Mark F. Mathias, Pittsford, NY (US);
Michael Scozzafava, Rochester, NY (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/86 ; H01M 4/88 ;
U.S. Cl.
CPC ...
H01M 4/86 ; H01M 4/88 ;
Abstract
A method of making a membrane electrode assembly is provided. The method includes using a porous support to control the drying of the electrode, and the use of wettable and non-wettable solvents to control the seepage of ionomer into the porous support.