Oxygen Reduction Reaction with the Rotating Ring Disk Electrode

The oxygen reduction reaction (ORR) is important to the functional readiness of a fuel cell. Rotating ring disk electrode (RRDE) experiments allow the reaction to be studied in hydrodynamic conditions to determine kinetic properties via the Levich and Koutecký-Levich equations. Mechanistic information is simultaneously obtained from the reaction of intermediates at the secondary (ring) electrode. This application note describes how the RRDE from Metrohm Autolab can be used to study the ORR. 

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