PbO2 Based Composite Materials Deposited from Suspension Electrolytes : Electrosynthesis, Physico-Chemical and Electrochemical Properties
Affiliation:
1Department of Physical Chemistry, Ukrainian State University of Chemical Technology
8, Gagarin ave., 49005 Dnepropetrovsk, Ukraine;
2Department of Organic Chemistry, Dnepropetrovsk National University
13, Nauchnaya str., 49000 Dnepropetrovsk, Ukraine
3Université Pierre et Marie Curie, Laboratoire PECSA – UMR 7195 UPMC-CNRS-ESPCI
4, Place Jussieu, 75252 Paris Cedex 05, France
DOI:
https://doi.org/10.23939/chcht06.02.123
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Abstract:
Composite materials based on PbO2 containing TiO2 or ZrO2 were prepared from electrolytes containing a suspension of TiO2 or ZrO2. The contents of foreign oxides in the composite depend on the electrolyte composition and conditions of deposition. When a dispersed phase is incorporated into the composite coating, the dimensions of lead dioxide crystals decrease to submicro- and nano-size. Physico-chemical properties and electrocatalytic activity of composite materials are mainly determined by their chemical composition. The electrocatalytic properties of a composite PbO2-TiO2 anode vs the oxygen evolution reaction (OER) and the electrochemical degradation of methyl tert-butyl ether (MTBE) were investigated.
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