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ASME 2011 9th International Conference on Fuel Cell Science, Engineering and Technology
The impact of temperature on air-breathing, polymer electrolyte membrane (PEM) fuel cells is investigated using polarization and impedance spectroscopy. Three active area sizes of 5 cm 2 , 10 cm 2 , and 25 cm 2 in both forced convection and air-breathing cathode configurations are presented. The cell design incorporates a large thermal body which can conduct heat away from the active membrane area and minimize the influence of self-heating; allowing for active and precise control of temperaturedoi:10.1115/fuelcell2011-54115 fatcat:rtqw3xbxs5d2pjdhs4pyroeoeq