Different electrode areas for negative and positive electrodes

[oarcelus]

Hi all, I wonder how to include different electrode areas for negative and positive electrodes. In PyBamm the way we have to scale the model's capacity is through variatios of maximum concentrations, active material volume fractions, or electrode dimensions.

However, often cells have different dimensions in the negative and positive electrodes. Thus, different surface areas. If I were to match the capacities of both negative and positive electrodes acording to their stochiometric limits at 0 and 100 SOC's I am forced a to "artificially" increase the thickness of one of the electrodes because I can only include a single active surface area (the positive electrode area), which is smaller than the negative electrode one.