Table 2.

Ionic conductivity at 21 °C and activation energy of z(K₂S-2P₂S₅)-yKOTf.

y	σ 21 (S cm−1)	Ea
0.05	7.81 × 10−11	1.04
0.10	1.06 × 10−7	0.83
0.15	1.84 × 10−11	1.17
0.20	3.00 × 10−12	1.05
0.25	3.88 × 10−12	0.90