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Lead and lead dioxide electrodes on carbon are prepared by electro-deposition and subsequent electro-oxidation. Their behaviour as lead/acid battery electrodes is studied. It is found that while the oxidation of lead to lead sulfate is diffusion controlled, the reduction of lead dioxide to lead sulfate is a surface process. The efficiencies of both the reactions vary with sulfuric acid concentration,...
The influence of hydrogen loss on the electrochemical properties of both α-PbO 2 and β-PbO 2 was studied using galvanostatic discharge and cyclic voltammetry. The thermal decomposition of electroformed PbO 2 shows two types of hydration water: the first type, which disappears at low temperature, is adsorbed on the surfaces of the PbO 2 particles, and the second...
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