Table 4.
Ionic conductivities and dominating conduction pathways in various composite polymer electrolytes
| Composite | Filler content | Conductivity [S cm−1] | Dominating pathway | Ref. |
|---|---|---|---|---|
| PEO/LLZO | 10 wt% | — | PEO matrix | [106] |
| PEO/LLZO | 16 vol% | 7.2 × 10−5 | Interphase | [10] |
| PAN/LLZO | 12.6 vol% | 2.1 × 10−4 | Interphase | [86b] |
| PEO/LLZO |
50 wt% (20 vol%) |
— | LLZO phase | [13] |
| PEO/LLZO |
5 wt% 20 wt% 50 wt% |
1 × 10−5 ≈1.4 × 10−5 0.75 × 10−5 |
PEO matrix PEO matrix LLZO phase |
[107] |
| PEO/LLZO |
<10 wt% 10 wt% 50 wt% 80 wt% |
≈4 × 10−5 ≈9 × 10−5 ≈3 × 10−5 ≈1 × 10−5 |
PEO matrix Interphase Interphase/LLZO phase LLZO phase |
[108] |
| PEO/LLZO |
0 wt% 20 wt% 50 wt% 80 wt% |
≈3.5 × 10−6 ≈2 × 10−4 ≈4.5 × 10−5 ≈3.2 × 10−4 |
PEO matrix Interphase Interphase/LLZO phase LLZO phase |
[109] |
| PAN/LGPS | 70 wt% | 2.2 × 10−4 | Interphase | [110] |
| PAN/LLZO | 5 wt% | 1.31 × 10−4 | Interphase | [93] |
| PEO/LLTO | 15 wt% | 2.4 × 10−4 | Interphase | [79] |
| PEO/3D LLTO | ≈45 wt% | 8.8 × 10−5 | Interphase | [111] |
| PEO/3D LLZO | ≈40 wt% | 1.2 × 10−4 | Interphase/LLZO phase | [78a] |