L_pos_app_phys L_pos "Positive electrode thickness, set from app" epss_neg_app_phys epss_neg "Negative electrode active material volume fraction, set from app" epss_pos_app_phys epss_pos "Positive electrode active material volume fraction, set from app" L_pos_app_init 90[um] "Initial positive electrode thickness, used in app" epss_neg_app_init 0.5 "Initial negative electrode active material volume fraction, used in app" epss_pos_app_init 0.5 "Initial positive electrode active material volume fraction, used in app"