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A.5 Parameter sets for the models Table A.5: Parameters used for the global model. Values are given for T = 303.15 K and p = 101325 Pa. 150 cathode separator anode Thickness: 40 μm Bulk phases Sulfur Carbon Electrolyte Volume fraction 0.5 0.2 0.3 ε 0 Control volumes: 8 Tortuosity τ0 1.0 1.0 Species Density / Initial concentration 2.07 · 103 kg · m−3 2.26 · 103 kg · m−3 1.20 · 103 kg · m−3/1.18 · 104 mol · m−3 1.00·103mol·m−3 7.67·102mol·m−3 2.36·101mol·m−3 2.36·101mol·m−3 2.36·101mol·m−3 2.36·101mol·m−3 2.36·101mol·m−3 3.54·101mol·m−3 Diffusion coefficient / m2 · s−1 – – – Lithium sulfide (Li2S) Interfaces sulfur surface 1·10−4 Specific area AV0 1·106 m2 ·m−3 1.0 Area-specific capacity Cdl 0F·m−2 S8(ds) Li2 S(s) Reaction(s) 2Li+ +1/8S8(ds) +2e− Li2S(s) 1.64 · 103 kg · m−3 Forward rate constant 1.0·1017 mol·m−2 ·s−1 1.0·103 mol·m−2 ·s−1 Molar Gibbs free energy −441.4 kJ · mol−1 15.0kJ·mol−1 Thickness: 100 μm Bulk phases Electrolyte Interfaces: none Thickness: 200 μm Bulk phases Lithium Electrolyte Interfaces Volume fraction ε0 1.0 Control volumes: 5 Tortuosity τ0 1.2 S8(ds) S8(s) Species anode surface Area-specific capacity Cdl 0F·m−2 Li(s) see cathode Reaction(s) Li(s) Li+ + e− Forward rate constant 1.0 · 10−3 Molar Gibbs free energy 0.0 J · mol−1 Volume fraction ε0 0.7 0.3 Specific area AV0 2·106 m2 ·m−3 Control volumes: 4 Tortuosity τ0 1.0 1.2 Species Density / Initial concentration 5.34 · 102 kg · m−3 1.2 C4H6O3 S8(s) C Li+ 1 · 10−10 1 · 10−10 1 · 10−10 1 · 10−10 1 · 10−10 1 · 10−10 1 · 10−10 1 · 10−10 – TFSI− S2− S2− 2 S2− 4 S2− 6 S2− 8 see cathodePDF Image | Lithium-Sulfur Battery: Design, Characterization, and Physically-based Modeling
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