Abstract
The application of the dislocation theory of crystal growth and dissolution to the reactions of solid metal/metal-ion electrodes is considered. The various reaction models (slow discharge to and from adatoms, slow surface diffusion, slow discharge directly at kinks, slow bulk diffusion to and from kinks) are analysed and discussed. They all fail to account for the main features in the steady-state polarization of such electrodes, unless the usual assumption of a potential-independent thermal equilibrium of kinks in steps is dropped. It is suggested that this assumption be replaced by considerations on the formation and annihilation of kinks by the metal/metal-ion reactions themselves.
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