IONIC TRANSPORT IN PASSIVATING LAYERS ON THE LITHIUM ELECTRODE

The processes of ionic transport in passivating layers on the surface of the lithium electrode in solutions based on thionyl chloride, propy lene carbonate and gamma-butyrolactone have been studied by means of p ulse electrochemical methods. The data obtained are quantitatively des cribed by a model which takes into account transport of both the intri nsic mobile lithium ions of the passivating layer and lithium ions inj ected into the passivating layer from the electrode or from the electr olyte solution under anodic or cathodic current directions, respective ly. The values of mobility and concentration of mobile lithium ions in passivating layers formed on lithium in various solutions under open- circuit conditions have been determined.