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Proceeding Paper

Electrochemical Reduction of Oxygen Using a Metal–Organic Complex of Cu2+ †

by
Carla M. Ormachea
,
José L. Fernández
*,
Pedro M. E. Mancini
and
María N. Kneeteman
Instituto de Química Aplicada del Litoral (IQAL, CONICET-Universidad Nacional del Litoral), Santiago del Estero S3000AOM Santa Fe, Argentina
*
Author to whom correspondence should be addressed.
†
Presented at the 22nd International Electronic Conference on Synthetic Organic Chemistry, 15 November–15 December 2018; Available Online: https://sciforum.net/conference/ecsoc-22.
Proceedings 2019, 9(1), 33; https://doi.org/10.3390/ecsoc-22-05785
Published: 1 April 2019
(This article belongs to the Proceedings of 22nd International Electronic Conference on Synthetic Organic Chemistry)
Versions Notes

Abstract

A 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 orr efficiently.
Keywords: oxygen reduction reaction; electrocatalysis; metal-organic complex oxygen reduction reaction; electrocatalysis; metal-organic complex

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MDPI and ACS Style

Ormachea, C.M.; Fernández, J.L.; Mancini, P.M.E.; Kneeteman, M.N. Electrochemical Reduction of Oxygen Using a Metal–Organic Complex of Cu2+. Proceedings 2019, 9, 33. https://doi.org/10.3390/ecsoc-22-05785

AMA Style

Ormachea CM, Fernández JL, Mancini PME, Kneeteman MN. Electrochemical Reduction of Oxygen Using a Metal–Organic Complex of Cu2+. Proceedings. 2019; 9(1):33. https://doi.org/10.3390/ecsoc-22-05785

Chicago/Turabian Style

Ormachea, Carla M., José L. Fernández, Pedro M. E. Mancini, and María N. Kneeteman. 2019. "Electrochemical Reduction of Oxygen Using a Metal–Organic Complex of Cu2+" Proceedings 9, no. 1: 33. https://doi.org/10.3390/ecsoc-22-05785

APA Style

Ormachea, C. M., Fernández, J. L., Mancini, P. M. E., & Kneeteman, M. N. (2019). Electrochemical Reduction of Oxygen Using a Metal–Organic Complex of Cu2+. Proceedings, 9(1), 33. https://doi.org/10.3390/ecsoc-22-05785

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