Table 8. Calculated Diffusion Energy Barriers for Collaborative Diffusion Mechanisms with Simultaneous Jumps of Li Vacancy and Tritiuma.
| barrier
(eV) |
||
|---|---|---|
| pathway | forward | reverse |
| VLi1–1 → VLi1, T(f)Li10 → T(c)Li1 | 1.22 | 1.36 |
| VLi1–1 → VLi2, (f)Li10 → T(a)Li2 | 0.98 | 1.00 |
| VLi3–1 → VLi1, T(c)Li30 → T(f)Li1 | 1.72 | 1.58 |
| VLi3–1 → VLi2, T(c)Li30 → T(a)Li2 | 1.29 | 1.15 |
Alphabets in the brackets represent the exact tritium sites in the Li vacancy.