Table 2. Li-Ion Diffusivity (D) and Conductivity (σ) Per Formula Predicted From Our MD Simulations for 1 ns at 700 K and Extrapolated to 300 K^a.

Li2S	D	σ	Ea(M1)	Ea(M2)	σT300 K
0.3% Livac	3.40 × 10–8	5.614 × 10–8	0.268		9.652 × 10–8
2% Livac	8.83 × 10–7	3.008 × 10–6	0.270		5.927 × 10–6
3% Livac	5.43 × 10–5	2.814 × 10–4	0.199	0.201	2.400 × 10–3
1% interst.	3.49 × 10–9	2.651 × 10–9	0.348	0.459	1.659 × 10–9
2% Frenkel pair	6.45 × 10–6	9.924 × 10–6	0.215		2.628 × 10–5

^aD is reported in (cm² s^–1), σ in (S cm^–1), and E_a in eV.