Anew method for the determination of the ability of an electrolyte to distribute uniformly current density in an electrochemical cell is proposed. It is based on the comparison of the current in cells in which the electrode edges touch the cell side walls with the current in cells with different electrode edge ? cell side wall distances. The effects of cell geometry process parameters and current density are discussed and illustrated using the results presented in the previous papers from this series.
Amethod for the quantitative determination of the current density distribuion
in cells with a three plane parallel electrode arrangement is proposed. It
is shown that the current density distribution can be determined using the
data obtained by simple polarization measurements. The relation to the
Haring-Blum cell with P = 2 is discussed.
Anew dimensionless group for the estimation of the current density distribution in an electrochemical cell is defined as the ratio of the sum of the absolute values of the anodic and cathodic over potentials to the overall cell voltage.
This paper focuses on the quality of output current rectification—an important feature which should be taken into account alongside voltage and current. It is the author's intention to provide other authors and equipment manufacturers with the incentive to elaborate on this theme.
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