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. 19, 2008
Filed:
Oct. 18, 2001
Applicant:
Frederic Jaouen, Solna, SE;
Inventor:
Frederic Jaouen, Solna, SE;
Assignee:
AB Volvo, Gothenburg, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/90 (2006.01); H01M 4/88 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cathode layer structure for a solid polymer fuel cell is disclosed. It comprises a composite cathode layer () of catalyst (), anion ion conducting polymer () and cation conducting polymer (). The interface between the anion ion conducting polymer () and the cation conducting polymer () is located entirely within the cathode layer (). In particular the catalyst () is embedded in the anion conducting polymer (), and the cation conducting polymer () encloses regions of the anion conducting polymer ().