High temperature operation of a solid polymer electrolyte fuel cell stack based on a new ionomer membrane
作者： A. S. Aricò , A. Di Blasi , G. Brunaccini , F. Sergi , G. Dispenza
关键词: Electrolyte 、 Electrochemistry 、 Atmospheric temperature range 、 Stack (abstract data type) 、 Proton exchange membrane fuel cell 、 Membrane 、 Polymer chemistry 、 Materials science 、 Chemical engineering 、 Polymer 、 Power density
摘要: Polymer electrolyte fuel cell stacks assembled with Johnson Matthey Fuel Cells and SolviCore MEAs based on the Aquivion™ E79-03S short-side chain (SSC), chemically stabilised perfluorosulphonic acid membrane developed by Solvay Solexis were investigated at CNR-ITAE in EU Sixth Framework ‘Autobrane' project. Electrochemical experiments short performed under practical automotive operating conditions pressures of 1–1.5 bar abs. over a wide temperature range, up to 130 °C, varying levels humidity (down 18% R. H.). The using large area (360 cm2) showed elevated performance range from ambient 100 °C (cell power density 600–700 mWcm–2) moderate decrease above 100 °C. performances electrical efficiencies achieved 110 °C about 400 mWcm–2 an average voltage 0.5–0.6 V) are promising for applications. Duty-cycle steady-state galvanostatic excellent stack stability operation high temperature. A comparison AquivionTM NafionTM-based significantly better capability sustain operation.
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