Molecular electrocatalysts for oxygen reduction have been the focus of extensive investigation, but they typically operate at potentials far from the thermodynamic limit and often generate hydrogen peroxide. This talk will present recent investigations of electrochemical O2 reduction with proton/electron-transfer mediators that operate in tandem with transition metal complexes to reduce O2. Complementary studies of electrocatalytic oxygen reduction with mediators/catalysts the promote direct four-electron reduction of O2 highlight opportunities to achieve oxygen reduction at high potentials.

Electrocatalytic oxygen reduction with soluble mediators

249th National Meeting (2015)

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