Multilayer electrode battery model and electrode structure optimization method

The invention discloses a multi-layer electrode battery model and an electrode structure optimization method. The model comprises a negative electrode current collector simulation unit, a negative electrode simulation unit, a diaphragm simulation unit, a positive electrode simulation unit and a positive electrode current collector simulation unit which are connected in sequence, the anode simulation unit comprises at least two sub-simulation layers, and/or the cathode simulation unit comprises at least two sub-simulation layers; the sub simulation layers in the positive electrode simulation unit and the negative electrode simulation unit and the diaphragm simulation units are communicated in a porous manner, and the transmission process of electrolyte in a porous phase is described by adopting a concentrated solution theory. The model provided by the invention can simulate the composite electrode with different pores or different active material sub-layers and optimize the structural parameters of the composi