Table 2.
Structural parameters of LTO powder and LTO–RTO powder cycled 15 times at 0 °C, −20 °C, and −40 °C.
| Sample | a, nm | V, nm3 | x | Li1-O, nm | Li2/Ti-O, nm | Li1-Li1, nm | Rp, Rwp, χ2 |
|---|---|---|---|---|---|---|---|
| LTO~0 °C | 8.350098 | 582.203 | 0.258519 | 1.93106(2) | 2.01890(3) | 3.616 | 4.58%, 6.09%, 1.752 |
| LTO~−20 °C | 8.352905 | 582.791 | 0.259828 | 1.95064(2) | 2.00949(3) | 3.617 | 4.98%, 6.50%, 2.281 |
| LTO~−40 °C | 8.351963 | 582.594 | 0.258546 | 1.93188(2) | 2.01914(3) | 3.617 | 5.53%, 7.61%, 3.052 |
| LTO–RTO~0 °C | 8.346919 | 581.539 | 0.260629 | 1.96083(3) | 2.00194(4) | 3.614 | 3.62%, 4.66%, 1.281 |
| LTO–RTO~−20 °C | 8.349110 | 581.997 | 0.258189 | 1.92606(1) | 2.02122(2) | 3.615 | 3.82%, 4.60&, 1.524 |
| LTO–RTO~−40 °C | 8.349153 | 582.006 | 0.260355 | 1.95739(2) | 2.00457(3) | 3.615 | 5.36%, 7.26%, 2.131 |