Charge Storage Mechanism of MnO<sub>2</sub> Electrode Used in Aqueous Electrochemical Capacitor

Toupin, Mathieu; Brousse, Thierry; Bélanger, Daniel

doi:10.1021/cm049649j

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Charge Storage Mechanism of MnO2 Electrode Used in Aqueous Electrochemical Capacitor

Published in Chemistry of Materials • Jul 16, 2004

Authors:

Mathieu Toupin

Thierry Brousse

Daniel Bélanger

Abstract

The charge storage mechanism in MnO 2 electrode, used in aqueous electrolyte, was investigated by cyclic voltammetry and X-ray photoelectron spectroscopy. Thin MnO 2 films deposited on a platinum substrate and thick MnO 2 composite electrodes were used. First, the cyclic voltammetry data established...

Subject

Cyclic voltammetry

X-ray photoelectron spectroscopy

Electrode

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