Nv. Korovin, ELECTROCATALYST DETERIORATION DUE TO CATHODIC AND ANODIC WEAR AND MEANS FOR RETARDING ELECTROCATALYST DETERIORATION, Electrochimica acta, 39(11-12), 1994, pp. 1503-1508
The loss of electrocatalyst activity and electrocatalyst wear are caus
ed by their spontaneous change or by the degradation due to some exter
nal processes. The main processes are considered that result in the de
crease of the activity of metal, oxidic, carbonaceous catalysts: their
corrosion and chemical dissolution, anodic oxidation, cathode deterio
ration. The increase of temperature, current density, the concentratio
n of ligands and corrosion activators catalysts result in the decrease
of the service life. The relation between the service life of the cat
alysts and these factors is considered. The main methods to increase t
he service life of catalysts are considered.