OrthBoXY Simulations For calculating system-size independent self-diffusion coefficients D 0 and viscosities η, the OrthoBoXY method was employed. Here, simulations were performed for the same mixing ratios and temperatures. However, for the mixtures x([Li][NTf 2 ]) = 0.33, 0.40, 0.45 ,and 0.50, feasible computation times were only accessible for 303 K to 483 K, 303 K to 483 K, 323 K to 483 K, and 343 K to 483 K, respectively, while for