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Performance of Ion Track-Etched Polyimide as Ion Exchange Membranes for Microbial Fuel Cells

Electrochemical impedance spectroscopy and I-V curves have been used to compare performances of ion track-etched polyimide membranes with perfluorosulfonic membranes for a microbial fuel cell, a kind of device converting chemical energy to electricity and vice-versa thanks to the catalytic action of bacteria. For a lower cost, polyimide membranes exhibit similar results, which can even be improved if electrodes are directly coated on them.