Preparation and Evaluation of A Large Superficial Self-Humidifying Pt-Pfsa Composite Membrane for H-2/Air Pemfc
ECS transactions(2010)
摘要
A large superficial (60x60cm) and high performance self-humidifying Pt-PFSA membrane for H-2/Air polymer electrolyte membrane (PEM) fuel cells has been developed. The homemade Pt-PSFA composite membrane is prepared with solution-cast method by dispersing Pt black particles into the perfluorosulfonic acid (PFSA) copolymer resin uniformly. Electrochemical performances of the self-humidifying Pt-PFSA membrane and PFSA membrane compared in 150cm(2) single cells with 0.6mg/cm(2) platinum loading. The results indicated that Pt distribution in the Pt-PFSA composite membrane and the peak power density of the single cell reached over 37.8W at 60 degrees C, 0.05MPa with dry hydrogen and dry Air.
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