Research Article
Faster-Than-Real-Time Simulation of Lithium Ion Batteries with Full Spatial and Temporal Resolution
Table 2
Values of various parameters for the
battery simulated in the present work.
| Parameter | Negative electrode | Separator | Positive electrode |
| Geometry and mesh | Thickness, | 50 m | 25.4 m | 36.4 m | Active particle radius, | 1 m | N/A | 1 m | Electrolyte volume fraction, | 0.332 | 0.5 | 0.33 | Active particle volume fraction, | 0.58 | N/A | 0.5 | Number of control volumes (nominal) | 50 | 25 | 36 | Initial state of battery | Maximum solid phase concentration, | mol/m3 | | mol/m3 | Stoichiometry at 0% state of charge, | 0.126 | N/A | 0.936 | Stoichiometry at 100% state of charge, | 0.676 | N/A | 0.442 | Electrolyte concentration | mol/m3 | mol/m3 | mol/m3 | Kinetic and transport properties | Kinetic constant, | (A/m2)·(m3/mol)3/2 | N/A | (A/m2)·(m3/mol)3/2 | Charge transfer coefficients, | 0.5, 0.5 | N/A | 0.5, 0.5 | SEI film resistance, | 0 | N/A | 0 | Lithium ion diffusion coefficient in solid phase, | m2/s | N/A | m2/s | Solid phase electrical conductivity, | 100 S/m | N/A | 10 S/m | Lithium ion diffusion coefficient in electrolyte, | m2/s | m2/s | m2/s | Electrolyte phase ionic conductivity, | (15) | (15) | (15) | Transference number, | 0.363 | 0.363 | 0.363 | Open circuit potential | (16) | N/A | (16) | Density | 2500 kg/m3 | 1200 kg/m3 | 1500 kg/m3 | Thermal conductivity | 5 W/m/K | 1 W/m/K | 5 W/m/K | Specific heat capacity | 700 J/kg/K | 700 J/kg/K | 700 J/kg/K |
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