Li diffusion in a composite electrode with internal fractal surface [Li-ion secondary cells]

Lithium diffusion in the composite oxides is a key factor that determines the rate at which a battery can be charged and discharged. With increasing interest in higher power density, understanding the mechanisms of diffusion in insertion electrodes becomes important. The aim of the present work is investigation of Li content and roughness dependency of diffusivity by dynamic Monte Carlo simulation, in a 2D fractal model pore. An indentation model is illustrated.