Estimating the Migration Constituent of the Current
during Electrolytic Growth of Lead Dendrites

O. A. Potapov, V. M. Rudoi, and I. B. Murashova

Ural State Technical University, ul. Mira 19, Ekaterinburg, 620002 Russia

Received January 23, 1997; in final form, September 18, 1997

Abstract—The growth of a dendrite deposit of lead is studied in fluoborate and nitrate electrolytes containing
0.75 M Pb²⁺ at various supporting electolyte concentrations. The results are used to determine migration con-
stituents of discharge currents at dendrite tops. It is found that the absolute value of the migration flow towards
dendrite tops may be essential even in the presence of an excess of a foreign electrolyte. This effect is due to a
high current density at the tops caused by spherical diffusion.

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