Applications of magnetoelectrolysis

Abstract

A broad overview of research on the effects of imposed magnetic fields on electrolytic processes is given. As well as modelling of mass transfer in magnetoelectrolytic cells, the effect of magnetic fields on reaction kinetics is discussed. Interactions of an imposed magnetic field with cathodic crystallization and anodic dissolution behaviour of metals are also treated. These topics are described from a practical point of view.

Influence of constant magnetic field on electrodeposition of metals, alloys, conductive polymers, and organic reactions

“…There was no effect of magnetic field also in the case of cathodic reaction in H 2 SO 4 solution, which is not mass transport limited. Significant influence of the applied field on the increase of the limiting current and current density was observed in CuSO 4 and KNO 3 -in both solutions, cathodic reactions were mass transport limited.…”

“…They applied magnetic field Reprinted from [36], with permission from Elsevier during electrodeposition from ZnCl 2 , NiCl 2 , NH 4 Cl, boric acid, and additives (gelatin and glycerol) solution at pH = 4.0. It was observed that the thickness of Zn-Ni alloy decreases and hardness increases with the increase of the magnetic field.…”

“…They used different concentrations of Na 3 C 6 H 5 O 4 , Na 2 MoO 4 •6H 2 O, CoSO 4 •7H 2 O, and NiSO 4 •6H 2 O in the studied solutions. It was observed that after depositing the alloy in magnetic field, which was parallel to the surface of the electrode, the content of cobalt increased and the content of nickel decreased.…”

“…Almost 20 years later, Fahidy wrote another paper in which he reviewed constant magnetic field effects on metal surfaces. In 1995, Tacken and Janssen [4] published a review BApplications of magnetoelectrolysis^in which they described practical applications of magnetic field in electrochemistry. In 2014, Monzon and Coey [1] wrote a review paper about Lorentz force and its influence on electrodeposition.…”

“…where q is charge on a particle, which velocity is v, E is electric field strength vector, and B is magnetic field flux density vector [4]. That force causes the increase of mass transport effect in the solution.…”