Fig 1.
Generation and filling algorithm of macro geometry of cathode carbon block.
Fig 2.
(a) Electrolysis temperature; (b) binding effect;(c) cathode current density; (d) melt molecular ratio.
Table 1.
Sodium binding coefficient R.
Fig 3.
(a) Geometric model of sodium diffusion in carbon blocks and (b) finite element model of sodium diffusion in carbon blocks.
Table 2.
Cathode carbon block material parameters [14].
Fig 4.
Nephogram of sodium concentration distribution with different porosity.
Fig 5.
Cloud map of sodium concentration distribution under different electrolysis temperature conditions.
Fig 6.
The variation of sodium diffusion depth with (a) electrolysis temperature, (b) binding effect coefficient, (c) melt molecular ratio and (d) cathode current density.
Fig 7.
The relationship between sodium concentration and diffusion depth under different factor conditions.
(a) Electrolysis temperature; (b) binding effect; (c) melt molecular ratio; (d) cathode current density.
Fig 8.
Cloud map of sodium concentration distribution under different binding capacity conditions.
Fig 9.
Cloud map of sodium concentration distribution under different electrolyte molecular ratios.
Fig 10.
Cloud map of sodium concentration distribution under different cathode current densities.
Fig 11.
Sodium concentration distribution cloud map.
Fig 12.
Comparison of numerical simulation and actual test.