Abstract
The main source of errors when using relaxation methods and voltage-drop compensation methods between the main and reference electrodes can be the electrochemical cells with high values of RC for the reference electrode circuit and the more complex equivalent circuits of the main electrode, especially in case of surface blockage by the phase films. The use of other elimination methods as microelectrode application or extrapolation to zero current is not practical and labor-consuming. By the example of the corroding lithium electrode it is shown that the use of relaxation IR compensation method between reference and main electrodes leads to the increase of compensation resistance in time, which fully correlates with the growth of the corroding film resistance on the main electrode. The conclusion of impossibility of carrying out IR elimination process correctly in such cases was made.
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