Cyclic voltammetric studies were made of Li2S in the molten electrolyte. It was found that, between 400 and 450C, the diffusion coefficient of S2- was equal to 5.2 x 10-5cm2/s.
Electrochemical Behavior of Li2S in Fused LiCl-KCl Electrolytes. D.Warin, Z.Tomczuk, D.R.Vissers: Journal of the Electrochemical Society, 1983, 130[1], 64-70
Table 106
Diffusion Coefficients of U4+ and
U3+ Ions in Molten LiCl-KCl Eutectic
Ion | Temperature (C) | D (cm2/s) |
U4+ | 400 | 4.46 x 10-6 |
U3+ | 400 | 4.14 x 10-6 |
U4+ | 450 | 8.01 x 10-6 |
U3+ | 450 | 6.80 x 10-6 |
U4+ | 500 | 1.22 x 10-5 |
U3+ | 500 | 1.03 x 10-5 |
U3+ | 550 | 1.36 x 10-5 |
Table 107
Diffusivity of Sm in LiCl-KCl Melts
Temperature (K) | Method | D (cm2/s) |
673 | cyclic voltammetry | 4.1 x 10-6 |
673 | semi-integral | 6.3 x 10-6 |
673 | chronopotentiometry | 3.6 x 10-6 |
723 | cyclic voltammetry | 7.6 x 10-6 |
723 | semi-integral | 9.5 x 10-6 |
723 | chronopotentiometry | 5.1 x 10-6 |
773 | cyclic voltammetry | 1.30 x 10-5 |
773 | semi-integral | 1.41 x 10-5 |
773 | chronopotentiometry | 9.8 x 10-6 |
823 | cyclic voltammetry | 1.60 x 10-5 |
823 | semi-integral | 1.83 x 10-5 |
823 | chronopotentiometry | 1.70 x 10-5 |
873 | cyclic voltammetry | 2.70 x 10-5 |
873 | semi-integral | 2.14 x 10-5 |
873 | chronopotentiometry | 2.05 x 10-5 |