T0 25[degC] Temperature
V_therm R_const*T0/F_const "Thermal voltage"
DA 1e-9[m^2/s] "Diffusion coefficient, cation"
DX DA "Diffusion coefficient, anion"
cA_bulk 10[mol/m^3] "Bulk cation concentration"
cX_bulk cA_bulk "Bulk anion concentration"
zA +1 "Cation charge"
zX -1 "Anion charge"
Istr_bulk 0.5*((zA^2+zX^2)*cA_bulk) "Bulk ionic strength"
eps_H2O 78.5 "Relative permittivity of water"
xD sqrt(epsilon0_const*eps_H2O*V_therm/(2*F_const*Istr_bulk)) "Debye length"
xS 0.2[nm] "Stern layer thickness"
L_cell xD*10 "Cell length"
h_max L_cell/20 "Maximum mesh element size"
h_max_surf xD/100 "Maximum mesh element size (electrode)"
Cd_GCS epsilon0_const/(xD/eps_H2O+xS/eps_S) "Capacitance per unit area (GCS theory, low potential limit)"
phiM 1[mV] "Voltage of electrode vs PZC"
eps_S 10 "Relative permittivity of Stern layer"