SOLID POLYMER ELECTROLYTE FUEL CELL WITH IMPROVED VOLTAGE REVERSAL TOLERANCE
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Jul 13, 2017
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Jul 18, 2011
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Abstract
In solid polymer electrolyte fuel cells, an oxygen evolution reaction (OER) catalyst may be incorporated at the anode along with the primary hydrogen oxidation catalyst for purposes of tolerance to voltage reversal. Incorporating this OER catalyst in a layer at the interface between the anode's primary hydrogen oxidation anode catalyst and its gas diffusion layer can provide greatly improved tolerance to voltage reversal for a given amount of OER catalyst. Further, this improvement can be gained without sacrificing cell performance.
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