Anode materials for sediment microbial fuel cells.

INTRODUCTION Plant microbial fuel cells (P-MFCs), and more general sediment microbial fuel cells, make use of electricigenic metabolism of microorganisms in anoxic soils and sediments. Electricigenic microorganisms are able to respire organic carbon from the soil or sediment with an electrode as final electron acceptor [1]. In this work, the focus is on the anode buried in the sediment, the electron acceptor that makes biologically liberated electrons available for work. To test the applicability of various conductive carbon materials for the anode, microcosm sediment MFCs were used.