text: """ Physical properties
  (i.e. material properties, electrochemical settings, etc.)"""
  
  """Electrochemistry Settings"""
  # volumetric exchange current density of the cathode[A/m^3]
  exchange_current_density_cathode = 8.0e5
  # volumetric exchange current density of the anode [A/m^3]
  exchange_current_density_anode = 5.0e8
  # oxygen catalyst layer diffusion coefficient [m^2/s]
  oxygen_catalyst_layer_diffusion_coefficient = 1e-7
  # hydrogen catalyst layer diffusion coefficient [m^2/s]
  hydrogen_catalyst_layer_diffusion_coefficient = 1e-6
  # oxygen gas diffusion layer diffusion coefficient [[m^2/s]
  oxygen_gas_diffusion_layer_diffusion_coefficient = 6e-6  # 2.95e-6
  # hydrogen gas diffusion layer diffusion coefficient [m^2/s]
  hydrogen_gas_diffusion_layer_diffusion_coefficient = 10.0e-5
  # catalyst layer proton conductivity of the cathode [Ohm^-1/m]
  catalyst_layer_proton_conductivity_cathode = 3.5
  # catalyst layer proton conductivity of the anode [Ohm^-1/m]
  catalyst_layer_proton_conductivity_anode = 3.5
  # tafel slope of the cathode [V]
  tafel_slope_cathode = 0.035
  # tafel slope of the anode [V]
  tafel_slope_anode = 0.035
  # thermo neutral open circuit voltage [V]
  v_thermo_neutral = 1.25
  
  """Membrane Resistance"""
  # membrane type ('Constant', 'Springer', or 'Kvesic')
  membrane_type = 'Springer'
  # membrane basic resistance [Ohm-m2]
  membrane_basic_resistance = 4.3e-5
  # membrane temperature slope [Ohm-m2/K)]
  membrane_temperature_coefficient = 7e-8
  # membrane basic conductivity [S/m] (for 'Constant'-Model)
  membrane_basic_conductivity = 15.0
  """Membrane Water Transport Properties"""
  # currently hard-coded in Springer membrane model
  
  
  """Electrical Properties"""
  # bipolar plate conductivity [S/m]
  electrical_conductivity_bipolar_plate_z = 60000.0
  electrical_conductivity_bipolar_plate_x = 60000.0
  
  # gas diffusion electrode (GDL + CL) material conductivity [S/m]
  electrical_conductivity_gas_diffusion_electrode_z = 500.0
  electrical_conductivity_gas_diffusion_electrode_x = 500.0
  
  """Thermal Properties"""
  # thermal conductivity of the bipolar plate through-plane  [W/(mK)]
  thermal_conductivity_bipolar_plate_z = 1.e2
  # thermal conductivity of the bipolar plate in-plane  [W/(mK)]
  thermal_conductivity_bipolar_plate_x = 1.e2
  # thermal conductivity of the gde through-plane  [W/(mK)]
  thermal_conductivity_gas_diffusion_electrode_z = 1.e0
  # thermal conductivity of the gde in-plane  [W/(mK)]
  thermal_conductivity_gas_diffusion_electrode_x = 1.e0
  # thermal conductivity of the membrane through-plane  [W/(mK)]
  thermal_conductivity_membrane_z = .26e0
  # thermal conductivity of the membrane in-plane  [W/(mK)]
  thermal_conductivity_membrane_x = .26e0
  
  # constant coolant properties
  coolant_name = 'FRAGOLTHERM S-15-A at 60°C'
  # specific heat of the coolant [J/(kg-K)]
  heat_capacity_coolant = 2010.0
  # thermal conductivity of the coolant [W/(mK)]
  thermal_conductivity_coolant = 0.159
  # density of the coolant [kg/m3]
  density_coolant = 981.0
  # dynamic viscosity of the coolant [Pa-s]
  dynamic_viscosity_coolant = 9.81e-3
  
  
  
  