The current distributions at parallel‐plate electrodes in an electrochemical flow reactor with a separator are calculated using the orthogonal collocation technique. The effects of separator and electrode resistance are taken into account, in addition to the effects of reactor geometry, mass transfer, and reaction kinetics. It is found that the presence of a separator and electrode resistance may contribute to a marked smoothing of the current distribution if the current tab is located at a properly chosen position. The results also demonstrate the value of model calculations for the optimization of cell design in the case of compartmented cells.
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Lee et al. (1982) studied this question.