Table 1 Mechanical properties of the plasticizer-free SLIC electrolytes with 20 wt.% LiTFSI along with the glass transition temperature (Tg) and ionic conductivity (σ) of the samples at 70 °C. The young’s modulus is labeled as E.
From: Decoupling of mechanical properties and ionic conductivity in supramolecular lithium ion conductors
Sample | Maximum stress (MPa) | Strain at break (mm mm−1) | Toughness (MJ m−3) | E (MPa) | Tg (°C) | σ70 °C × 10−5(S cm−1) |
|---|---|---|---|---|---|---|
SLIC-0 | 0.18 ± 0.02 | 126 ± 4.2 | 4.71 ± 0.32 | 0.17 ± 0.03 | −29.6 ± 0.9 | 1.4 ± 0.23 |
SLIC-1 | 1.6 ± 0.15 | 215 ± 6.8 | 162 ± 1.3 | 0.87 ± 0.09 | −28.2 ± 1.1 | 1.34 ± 0.15 |
SLIC-2 | 4.42 ± 0.27 | 66.3 ± 2.3 | 240 ± 2.2 | 3.45 ± 0.29 | −29.5 ± 1.2 | 0.99 ± 0.06 |
SLIC-3 | 11.9 ± 0.96 | 34.6 ± 1.6 | 244 ± 3.1 | 5.20 ± 0.44 | −29.9 ± 0.46 | 1.0 ± 0.12 |