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:
Jul. 28, 2015
Filed:
Oct. 29, 2012
Applicant:
Nissan North America, Inc., Franklin, TN (US);
Inventors:
Gregory Dileo, Ann Arbor, MI (US);
Rameshwar Yadav, Farmington, MI (US);
Assignee:
Nissan North America, Inc., Franklin, TN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2006.01); H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
H01M 8/04462 (2013.01); H01M 8/0447 (2013.01); H01M 8/04679 (2013.01); H01M 8/04164 (2013.01); H01M 2008/1095 (2013.01); Y02E 60/50 (2013.01);
Abstract
Systems and methods for measuring in-situ membrane fluid crossover are provided. One embodiment of a system for diagnosing in situ degradation of membranes in a fuel cell stack comprises an inert gas supply configured to be connected to the fuel cell stack to supply an inert gas to an anode side of the fuel cell stack during diagnosis and an analyzer, for example, for detecting an amount of crossover cathode gas in exhaust from the anode side of the fuel cell stack during diagnosis.