Ionic Mass Transfer Associated with Dendritic Growth of Electrodeposited Silver in AgNO3 Solution

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Abstract
The concentration profiles formed around dendrite tips of silver electrodeposited at high current densities in solution contained in a two‐dimensional electrolytic cell were measured by the holographic interferometry technique. The thickness of the electrolytic cell was 55–70 μm. A uniform diffusion layer was formed along the cathode surface at the start of electrolysis. Following a certain incubation time, several dendrite tips began to protrude into the diffusion layer. The growth rates of these dendrites were related to concentration gradients around the tips, diffusivity, and transference number of Ag+ ion.

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