Fig. 6: Tandem catalysts design to reduce the OER overpotential by enhancing the *O formation and conversion.
From: Adsorbed oxygen dynamics at forced convection interface in the oxygen evolution reaction
a Schematic diagram of MOx-Pt tandem catalysts; b The OER anatomy of RuO2 and RuO2-Pt. Reaction conditions: electrolytes 0.5 M H2SO4 (pH=0) with H216O and H218O; pre-oxidation potential and time 1.4 for 180 s; stripping potential range pre-oxidation −1.8 V; scan rate 10 mV s−1; c, The OER anatomy of MnO2 and MnO2-Pt. Reaction conditions: electrolytes 0.5 M KOH with H216O and H218O (pH=13.8); pre-oxidation potential and time 1.5 V for 180 s; stripping potential range pre-oxidation −1.8 V; scan rate 10 mV s−1. The potentials applied were no iR corrected; d Volcano plots of overpotentials and *O–O* contribution on MOx-Pt catalysts. Values are presented as the mean, with error bars indicating standard deviation (n = 3 replicates). Source data for the results are provided as a Source Data file.
