MFCs are devices where bacteria can grow on one electrode, break down organic matter, while releasing electrons from the organic matter, it is similar to how we get energy, we eat food, we oxidize it, we remove electrons, we send these electrons to the respiratory
enzymes and then when we are done with them, we release them to oxygen. We eat
and breathe to do this. So when bacteria releases this electron, it creates a potential
of about 0.5 V; voltage time current is power, and that is how power is generated
from the system. In concept, a real simple system, having two electrodes on either
side of the container, bolted together, wastewater is added to the system and you
generate electricity.
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