J0_neg (lb.DOC_neg_surface*(1-lb.DOC_neg_surface))^0.5*2*i0_ref_neg*(3/rp_neg)/(cs_max_neg*F_const/1[h]) "Dimensionless exchange current density, negative electrode"
J0_pos (lb.DOC_pos_surface*(1-lb.DOC_pos_surface))^0.5*2*i0_ref_pos*(3/rp_pos)/(cs_max_pos*F_const/1[h]) "Dimensionless exchange current density, positive electrode"