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.
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Abbreviations
- α1, α2:
-
regression parameters (-)
- B :
-
magnetic field flux density vector (T)
- c :
-
concentration (mol m−3)
- c ∞ :
-
bulk concentration (mol m−3)
- D :
-
diffusion coefficient (m2 s−1)
- d e :
-
diameter of rotating disc electrode (m)
- E :
-
electric field strength vector (V m−1)
- E i :
-
induced electric field strength vector (V m−1)
- E g :
-
electrostatic field strength vector (V m−1)
- F :
-
force vector (N)
- F :
-
Faraday constant (C mol−1)
- H :
-
magnetic field strength vector (A m−1)
- i :
-
current density (A m−2)
- i L :
-
limiting current density (A m−2)
- i 0L :
-
limiting current density without applied magnetic field (A m−2)
- I :
-
current (A)
- I L :
-
limiting current (A)
- j :
-
current density vector (A m−2)
- K :
-
reaction equilibrium constant
- k :
-
reaction velocity constant
- k b :
-
Boltzmann constant (J K−1)
- m 1, m 2 :
-
regression parameters (-)
- n :
-
charge transfer number (-)
- q :
-
charge on a particle (C)
- R :
-
gas constant (J mol−1 K−1)
- T :
-
temperature (K)
- t :
-
time (s)
- V :
-
electrostatic potential (V)
- v :
-
particle velocity vector (m s−1)
- α:
-
transfer coefficient (−)
- γ:
-
velocity gradient (s−1)
- ΔMS :
-
potential difference between metal phase and point just inside electrolyte phase (OHP)
- σ:
-
diffusion layer thickness (m)
- δ0 :
-
hydrodynamic boundary layer thickness without applied magnetic field (m)
- ϱ:
-
density (kg m−3)
- σ:
-
electrolyte conductivity (Ω−1 m−1)
- μ:
-
magnetic permeability (V s A−1 m−1)
- ν:
-
kinematic viscosity (m2 s−1)
- ω:
-
vorticity
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Tacken, R.A., Janssen, L.J.J. Applications of magnetoelectrolysis. J Appl Electrochem 25, 1–5 (1995). https://doi.org/10.1007/BF00251257
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DOI: https://doi.org/10.1007/BF00251257