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Membrane Electrode Assembly Manufacturing Process

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A method of making a component of a membrane electrode assembly comprising the steps of forming an electrode on an air-permeable backer comprising ePTFE, depositing a mixture comprising ionomer and a water-insoluble alcohol onto said electrode, drying said mixture to form a protective ionomer layer, and depositing an ePTFE-reinforced ionomer layer onto said protective ionomer layer.
Freese, Donald T. (Waikoloa Village, HI), Busby, F. Colin (Newark, DE)
14/ 616,968
February 9, 2015
[0001] This invention was made under a contract with an agency of the U.S. Government. The name of the U.S. Government agency is Department of Energy (Golden Field Office), and the U.S. Government contract number is DE-FC36-08GO18052.