Considering the lack of explanations for absorption and resorption currents in polymers, we propose to reformulate the latest and most comprehensive model based on surface ohmic conduction. This model, carried out by numerical simulation, contained oversimplifications. We also analyze the diffusion of carriers from the electrode edge. Finally, and in view of the negative results obtained by both models, we propose a new model based on a mechanism of drift diffusion which allows us to explain the characteristics of absorption and resorption currents in polymers. The simulation carried out for the three models is very precise and employs the integral equation method.
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