Electrochemical Reduction of Oxygen Using a Metal–Organic Complex of Cu2+†
AbstractA biphenyl-based copper complex was evaluated as electrocatalyst for the oxygen reduction reaction (orr), for a possible application as cathode material in fuel cells. To carry out this evaluation, the complex was supported on Vulcan carbon and deposited as a film on a glassy carbon rotating disk electrode by drop-casting a 1-μL drop of a suspension of carbon in a solution of the complex in dimethyl sulfoxide containing Nafion as ionic conductive binder, and drying under vacuum. The cyclic voltammogram in 0.1 M NaOH solution showed voltammetric peaks between 0.8 and 1.0 V vs. reference hydrogen electrode, which suggest the existence of electron transfer processes from/toward the ligand. The orr was tested in oxygen-saturated (1 atm) solution by linear sweep voltammetry, which showed significant orr current at relatively low overpotential (around −0.4 V), demonstrating the ability of the complex to electrocatalyze the orrefficiently.
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Ormachea, C.M.; Fernández, J.L.; Kneeteman, P.M.E.M.M.N. Electrochemical Reduction of Oxygen Using a Metal–Organic Complex of Cu2+. Proceedings 2019, 9, 33.
Ormachea CM, Fernández JL, Kneeteman PMEMMN. Electrochemical Reduction of Oxygen Using a Metal–Organic Complex of Cu2+. Proceedings. 2019; 9(1):33.Chicago/Turabian Style
Ormachea, Carla M.; Fernández, José L.; Kneeteman, Pedro M. E. Manciniand María N. 2019. "Electrochemical Reduction of Oxygen Using a Metal–Organic Complex of Cu2+." Proceedings 9, no. 1: 33.
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