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. 02, 2016
Filed:
Jul. 07, 2011
Applicants:
Zhe Peng, Grenoble, FR;
Arnaud Morin, Grenoble, FR;
Inventors:
Zhe Peng, Grenoble, FR;
Arnaud Morin, Grenoble, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 30/00 (2006.01); G06F 17/10 (2006.01); B01D 61/42 (2006.01); G01N 13/04 (2006.01); H01M 8/04 (2006.01);
U.S. Cl.
CPC ...
G01N 30/00 (2013.01); B01D 61/427 (2013.01); G01N 13/04 (2013.01); G06F 17/10 (2013.01); H01M 8/04634 (2013.01);
Abstract
A method of determining the electroosmotic transport coefficient of a proton exchange membrane, the method including creating a stream of hydrated hydrogen on either side of the membrane which is permanently controlled so that the relative humidity is almost identical on each side of the membrane at any point, thereby making it possible to minimize any back diffusion into the membrane. Furthermore, the method includes estimating the back diffusion flux into the membrane from the rate of return to equilibrium of the relative humidity starting from the moment when the current is cut off.