Work package leader: CNRS-LRCS

The use of modelling tools in the first phase of the project will determine (i) requested mesostructural properties of host matrices (pore volume, pore size distribution, tortuosity, porosity gradients along the electrode thickness, etc.), (ii) optimal composite cathode composition (sulphur loading, type and amount of carbon additive), and (iii) the optimal electrolyte composition. In addition to its use as a cathode and cell design tool, the final model will be used to simulate the behaviour of the cell under various conditions of use, especially the simulation of rest and cycling according to real conditions for EV or HEV. These types of conditions of use might strongly modify the morphology of polysulphide precipitates though a dissolution/growth process; consequently, the cell power might be affected by this phenomenon. The model will be a powerful tool to forecast possible issues which might ensue during real use of the Li-S cells.

 

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