The carbon -carbon, carbon -ionomer and ionomer -ionomer interactions in various solvents can provide important insights into the driving factors behind their co-aggregation. The force field parametrisation approach involved trying to account for the complex aggregation phenomena observed as a consequence of solvent composition. It has been reported that the dielectric constant of the solvents used to disperse the catalyst ink can direct the aggregation of ionomers in the CL . While this explanation accounts for a major influence of the solvents, it doesn't paint a complete picture. Subsequent work, probing the effect of various solvents highlighted the crucial role of the solubility parameter in driving the ionomer aggregation. The variation in solubility parameters can significantly alter the distribution of the ionomer in the CL. Typically these specific interactions are approximated into an effective xDLVO potential. But in this work we were able to decouple these interactions into carboncarbon, carbonionomer and ionomerionomer interactions. We calculated the inter-particle potential energy using LAMMPS for various effective solvent compositions. This allows us a deeper insight into the aggregation behaviour between various components of the CL.