T 180+273.15[K] "Cell temperature" eps_gdl 0.4 "GDL porosity" kappa_gdl 1.18e-11[m^2] "GDL permeability" U_in 2[m/s] "Inlet velocity" sigma_l 9.825[S/m] "Electrolyte conductivity" sigma_gdl 222[S/m] "GDL electronic conductivity" T_hum 28[degC] "Humidification temperature of inlet gases" H_electrode 50[um] "Electrode thickness" i0_H2_ref 1e2[A/m^2] "Reference exchange current density, H2 oxidation" i0_O2_ref 1e-3[A/m^2] "Reference exchange current density, O2 reduction" Av 1e7[m^2/m^3] "Specific surface area" alpha_a_O2 3 "Anodic transfer coefficient, O2 reduction" alpha_a_H2 0.5 "Anodic transfer coefficient, H2 oxidation" E_cell 1[V] "Cell voltage (varied in auxiliary sweep)"