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Fuel cell and membrane therefore

United States Patent

9,413,019
August 9, 2016
View the Complete Patent at the US Patent & Trademark Office
A fuel cell includes first and second flow field plates, and an anode electrode and a cathode electrode between the flow field plates. A polymer electrolyte membrane (PEM) is arranged between the electrodes. At least one of the flow field plates influences, at least in part, an in-plane anisotropic physical condition of the PEM that varies in magnitude between a high value direction and a low value direction. The PEM has an in-plane physical property that varies in magnitude between a high value direction and a low value direction. The PEM is oriented with its high value direction substantially aligned with the high value direction of the flow field plate.
Aindow; Tai-Tsui (Tolland, CT)
Audi AG (Ingolstadt, DE)
14/ 239,149
20140212788
August 18, 2011
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under Contract No. DE-PS36-08GO98009 awarded by the Department of Energy. The Government has certain rights in this invention.