Three-Dimensional Conductive Nanowire Networks for Maximizing Anode Performance in Microbial Fuel Cells

Three-Dimensional Conductive Nanowire Networks for Maximizing Anode Performance in Microbial Fuel Cells

Three-Dimensional Conductive Nanowire Networks for Maximizing Anode Performance in Microbial Fuel Cells

Microbial fuel cells (MFCs), which exploit microbial activities
to generate electricity from organic matters, have attracted
broad interest from fundamental research to industrial
applications, particularly with respect to wastewater
treatment, renewable energy recovery, electrical power
sources for space shuttles, and self-powered robots.[1] However,
due to relatively low power densities, practical application
of MFCs still faces a number of challenges and requires
extensive investigation.[2] Many factors influence the performance
of MFCs, including electrode materials/structures,
microbial source, electrolyte/substrate compositions, and reactor
configurations.[3] Among them, MFC anodes, which
serve to collect electrons released from electrochemically
active microbes by various electron-transfer mechanisms
(e.g., cell-surface proteins, excreted mediator compounds,
and extracellular nanowires), are of crucial importance.
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