In this work, we presented the first physics-based 3D model able to mimic solvent evaporation by explicitly considering additives migration for the case of NMC-based slurries and electrodes. The key idea that allowed to reach such result is to module the speed of transition from a liquid-like system (the slurry) to a solid one (the electrode) as a function of the slurry thickness (here divided into 3 zones), i.e. faster at the top respect its bottom. As a function of how fast this transition was in the top and middle regions respect the bottom one, different DRs were defined. By increasing the DR, a higher accumulation of the CBD phase in the electrodes' top region was found, linking to the additives migration and leading to heterogeneous electrodes' mesostructure. Particularly, it was observed that: (i) the higher the DR, the higher the fraction of CBD3 (top region) at the expense of CBD2 (middle region) and CBD1 (bottom region). (ii) the CBDs migration does not take place all along the drying, but rather in a specific time range. (iii) the time at which the CBDs migration starts and ends depends on the DR. (i) and (ii) are in agreements with previous experimental findings, while (iii) was not previously disclosed, calling for further studies in this direction. The electrodes dried at different DRs were then compressed of 25% respect their initial thickness, mimicking the calendering step. It was observed that this step induces a gradient in the electrodes' bulk pore phase (lower in its top compared to its bottom), due to the uniaxial compression applied from the top of the electrodes, while in the meantime levelling (but not completely removing) the electrodes' differences arising from the different DRs applied.