Operation of thin-plate positive lead-acid battery electrodes employing titanium current collectors

•Electrochemical study of the operation of positive thin-plate lead-acid battery electrodes.•Discharge process driven by mixed electrochemical kinetics.•Reversible passivation of the lead dioxide electrode.•Active material ageing based on Ostwald ripening mechanism.•Elimination of the resistive ageing due to the use of titanium positive current collectors.