Study of electrochemical palladium behavior by the quartz crystal microbalance. I. Acidic solutions

Sorption of hydrogen in a palladium electrode with a limited volume has bee n studied using the quartz crystal microbalance (QCM). During the hydrogen sorption process in the palladium electrode. strains are generated inside t he metal which result in changes in the frequency of the crystal. These str esses change in a non-linear manner during electrode saturation, with alpha - and beta-phases. This effect creates significant problems with the object ive estimation of the amount of sorbed hydrogen inside the palladium electr ode using the QCM method. This method is more accurate for the study of ele ctrode surface processes, i.e, specific anion adsorption on the electrode s urface or electrode dissolution.