A generalized mean spherical approximation of the anomalies in the electrochemical double layer for strong ionic interactions

Anomalies in the double layer properties of electrolytes with strong ionic interactions have been observed in recent simulations. As yet these anomali es have not been predicted by any theory. The anomalous temperature depende nce of the capacitance has been observed experimentally. In this note the g eneralized mean spherical approximation (GMSA) is applied to the electroche mical interface. In contrast to other theories, the GMSA predicts, in agree ment with simulations, partial drying and an adsorption isotherm that is ne gative and large in magnitude. The anomalous behavior of the capacitance re mains unexplained. (C) 2000 Published by Elsevier Science B.V.