Abstract
Non-noble catalysts synthesized using an iron salt, cyanamide and Ketjen Black EC-600JD were developed as ORR active Fe-N/C materials for PEFC applications. The resulting initial Fe-cyan-KJ600 catalyst demonstrated poor ORR performance, however, through the addition of NH3 during the pyrolysis treatment, and by modifications of the synthesis procedure to include a second coating and pyrolysis stage, the ORR performance increased drastically. The present study utilizes X-ray diffraction, scanning electron microscopy, nitrogen adsorption/desorption, and electrochemical analysis in characterizing the synthesized samples to determine the morphological and electrochemical effects of the aforementioned treatment steps.
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