Discussion Forum

I am running constant current simulations and have manipulated the parameters "Particle radius negative electrode" "Particle radius positive electrode" "Solid phase volume fraction positive electrode" "Electrolyte phase volume fraction positive electrode" "Bruggeman coefficient for tortuosity in positive electrode" "Solid phase volume fraction negative electrode" "Electrolyte phase volume fraction negative electrode" "Electrolyte phase volume fraction separator" "Bruggeman coefficient for tortuosity in separator" "Reference exchange current density negative electrode" "Reference exchange current density positive electrode" "Initial state-of-charge negative electrode" "Initial state-of-charge positive electrode" "Initial electrolyte salt concentration" "1C discharge current" "Length of negative electrode" "Length of separator" "Length of positive electrode" but these parameters only influence the capacity or shift the the voltage parallel to the baseline. Which parameters would change the slope of the cell potential vs time plot at constant current, I have also tried correction factors for electrolyte conductivity, ohmic conductivity and diffusion, but these did not work either. Also i have done a parameter sweep and noticed that after increasing the initial salt concentration the overpotential increases as well as the temperature lost as heat. Why is this the case? Shouldnt the increased lithium ion concentration lead to lower diffusion/concentration losses?