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:
Oct. 01, 2019
Filed:
Jul. 02, 2015
Applicant:
Sgl Carbon SE, Wiesbaden, DE;
Inventor:
Rüdiger-Bernd Schweiss, Meitingen, DE;
Assignee:
SGL CARBON SE, Wiesbaden, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/1004 (2016.01); H01M 8/0234 (2016.01); H01M 8/0245 (2016.01); H01M 4/88 (2006.01); H01M 4/92 (2006.01); H01M 8/0243 (2016.01); H01M 8/1018 (2016.01);
U.S. Cl.
CPC ...
H01M 8/1004 (2013.01); H01M 4/8807 (2013.01); H01M 4/92 (2013.01); H01M 8/0234 (2013.01); H01M 8/0245 (2013.01); H01M 8/0243 (2013.01); H01M 2008/1095 (2013.01);
Abstract
Membrane electrode assembly for PEM fuel cells, including a proton exchange membrane, two catalyst layers (anode and cathode catalyst layer), and two gas diffusion layers, the anodic one of which is based on a carbon fiber paper and is provided with a microporous layer including graphite, carbon nanotubes or carbon nanofibers, and PTFE, whereas the cathodic gas diffusion layer is based on a carbon fiber structure and is provided with a microporous layer based on carbon black, carbon nanotubes and/or carbon nanofibers, and PTFE.