| Sample |
| Slope | D/cm2∙s−1 |
| LFP/C-U | Oxidation peak | 0.532 | 1.22 × 10−8 |
| LFP/C-C | Reduction peak | −0.443 | 8.47 × 10−9 |
| Oxidation peak | 1.362 | 8.00 × 10−8 | |
|
| Reduction peak | −0.920 | 3.65 × 10−8 |