Data-CEJ-388, 2020 124176.xlsx (38.16 kB)

Data-CEJ-388, 2020 124176.xlsx

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posted on 18.09.2020 by Eileen Yu, Siddharth Gadkari, Jean-Marie. Fontmorin, Jhuma Sadhukhan
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This study presents a steady state, two dimensional mathematical model of microbial fuel cells (MFCs) developed by coupling mass, charge and energy balance with the bioelectrochemical reactions. The model parameters are estimated and validated using experimental results obtained from five air-cathode MFCs operated at different temperatures. Model analysis correctly predicts the nonlinear performance trend of MFCs with temperatures ranging between 20 °C and 40 °C. The two dimensional distribution allows the computation of local current density and reaction rates in the biofilm, helping to correctly capture the interdependence of system variables and predict the drop in power density at higher temperatures. Model applicability for parametric analysis and process optimization is further highlighted by studying the effect of electrode spacing and ionic strength on MFC performance.

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