3D Simulation of Cell Design Influences on Sodium–Iodine Battery Performance

This publication deals with the spatially resolved simulation of a sodium–iodine secondary battery. The anode compartment consists molten sodium and cathode contains high-conductivity metal disc as electrode an aqueous catholyte. latter comprises iodide, triiodide, dissolved iodine, ions. A finite volume approach is proposed to model transport processes electrochemical reactions focusing on positive half-cell. study investigates influences length, C-rate, electric conductivity, molar concentrations cell performance. It considers solubility limits predicts diffusion limitation major constraint for operating window. presented investigations are confined simple geometry. However, results demonstrate capability design half-cells.