Transport Properties of Polysulfide Species in Lithium-Sulfur Battery Electrolytes: Coupling of Experiment and Theory.

The diffusion coefficient of the lithium salt and lithium polysulfides features a decreasing trend upon the concentration increase, and the average D V,b is the same order of magnitude (3.5 × 10 –10 < ( D V,b ) ave < 6.5 × 10 –10 m 2 /s) for the three solutes ( Figure 2 a).

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