d_film 100e-6[m] "Electrolyte film thickness"
DNa 5.379e-13[mol*m^2/J/s]*R_const*T "Diffusivity of Na"
DCl 8.197e-13[mol*m^2/J/s]*R_const*T "Diffusivity of Cl"
DH 3.756e-12[mol*m^2/J/s]*R_const*T "Diffusivity of H"
DOH 2.127e-12[mol*m^2/J/s]*R_const*T "Diffusivity of OH"
DAl 2.184e-13[mol*m^2/J/s]*R_const*T "Diffusivity of Al"
DAlOH 4.78e-13[mol*m^2/J/s]*R_const*T "Diffusivity of AlOH"
DAlOH2 4.78e-13[mol*m^2/J/s]*R_const*T "Diffusivity of AlOH2"
DAlOH3 4.78e-13[mol*m^2/J/s]*R_const*T "Diffusivity of AlOH3"
DAlOH4 4.78e-13[mol*m^2/J/s]*R_const*T "Diffusivity of AlOH4"
DCe 1.6e-13[mol*m^2/J/s]*R_const*T "Diffusivity of AlCl"
DCo 2.92e-13[mol*m^2/J/s]*R_const*T "Diffusivity of AlOHCl"
c0Cl 0.05[M] "Initial concentration of Cl"
c0H 10^(-pH0)[M] "Initial concentration of H"
c0OH 10^(-pKw+pH0)[M] "Initial concentration of OH"
zNa 1 "Charge number of Na"
zCl -1 "Charge number of Cl"
zH 1 "Charge number of H"
zOH -1 "Charge number of OH"
zAl 3 "Charge number of Al"
zAlOH 2 "Charge number of AlOH"
zAlOH2 1 "Charge number of AlOH2"
zAlOH3 0 "Charge number of AlOH3"
zAlOH4 -1 "Charge number of AlOH4"
zCe 3 "Charge number of AlCl"
zCo 2 "Charge number of AlOHCl"
kfH2O 1e-8[1/s] "Forward rate constant for H2O"
kfAlOH 4.2e4[m^3/mol/s] "Forward rate constant for AlOH"
krAlOH 4.6e6[m^3/mol/s] "Reverse rate constant for AlOH"
kfAlOH2 4.2e4[m^3/mol/s] "Forward rate constant for AlOH2"
krAlOH2 3.6e6[m^3/mol/s] "Reverse rate constant for AlOH2"
kfAlOH3 5.6e4[m^3/mol/s] "Forward rate constant for AlOH3"
krAlOH3 2.8e6[m^3/mol/s] "Reverse rate constant for AlOH3"
kfAlOH4 1e-8[m^3/mol/s] "Forward rate constant for AlOH4"
krAlOH4 1[m^3/mol/s] "Reverse rate constant for AlOH4"
pH0 2 "Initial bulk pH"
pKw 14.94-0.04209*(-273.15+T)/1[K]+1.718E-4*(-273.15+T)^2/1[K^2] "Water dissociation constant"
Kw 10^(6-pKw) "Water dissociation equilibrium constant" 
T 298.15[K] Temperature
cCeCrit 0.4[mM] "Critical concentration of Ce"
S 1500[um] "Scratch size"
idl_AA2024 -1.6[A/m^2] "O2 diffusion limited current density at AA2024"
A_orr_AA2024 -108[mV] "Tafel slope for O2 reduction reaction at AA2024"
A_orr_AlCoCe -168[mV] "Tafel slope for O2 reduction reaction at AlCoCe"
Eeq_AA2024 -0.53[V] "Equilibrium potential, Al"
idl_AlCoCe -1.6[A/m^2] "O2 diffusion limited current density at AlCoCe coating"
nuCo -8.7 "Stoichiometric coefficient, Co"
nuAl -87 "Stoichiometric coefficient, Al"
nuCe -100-nuCo-nuAl "Stoichiometric coefficient, Ce"
nAlCoCe -(nuCo*zCo+nuCe*zCe+nuAl*zAl) "Stoichiometric coefficient, effective"
cH2O 1[mol/m^3] "Water reference concentration"