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Galvanic displacement reactions between porous PbO2, prepared by oxygen bubble templated anodic deposition, and the low-valent cations Mn2+, Co2+ and Sn2+, have been studied using electrochemical methods, SEM-EDS and XPS. These reactions occur at open circuit by immersion of PbO2 coated electrodes in aqueous solutions of the cations and lead to the formation of outer oxide layers onto porous PbO2,...
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