Abstract
Studies are currently underway to manufacture a novel membrane electrode assembly (MEA) for polymer electrolyte fuel cells. This MEA will be designed to incorporate a nanocomposite catalyst layer comprising a functionally graded distribution of Platinum nano particles chemically embedded near boundaries and surfaces of the polyelectrolytic membrane. The process involved is called a REDOX operation in which first the ionic polymer membrane is oxidized with a catalyst metal. After oxidation, the ionic polymer is reduced to create functionally-graded conductor composite and near boundary porous electrodes. Initial performance tests of fuel cells incorporating these membranes show promising results which will serve as a baseline for further process optimization.
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