eta_IR_1C 10[mV] "Ohmic overpotential at 1C, fitting parameter" invJ0 1 "Inverse dimensionless charge exchange current, fitting parameter" tau 1000[s] "Diffusion time constant, fitting parameter" J0 1/invJ0 "Dimensionless charge exchange current" Q_cell0 4[A*h] "Battery capacity" SOC_0 0.3797 "Initial state of charge" T_ref 25[degC] "Reference temperature" opt_tol 0.01 "Optimality tolerance" output_steps 11 "Output steps"