Abstract
Different variants of the account of cathode polarizability influence in presence of ionic mass-transfer effects (polarizability calculated taking into account average current density; different variants of average integrated polarizability) have been offered by example of Cu electrodeposition from copper sulfate electro- lyte (0,5 M CuSO4 + 1 M H2SO4) on copper rotating cylindrical electrode (RCE) at measurement of electro- lyte throwing power in Hull cell with RCE. It is shown that at essential influence of ionic mass-transfer effects the TP increase and displacement of cathode polarizability minimum are observed depending on average current density in area of lower average current densities.