Research Article

Nonactivated and Activated Biochar Derived from Bananas as Alternative Cathode Catalyst in Microbial Fuel Cells

Figure 7

Performance of MFCs equipped with biochar. (a) Polarization curves of the MFCs with various cathode catalysts, (b) individual potentials versus current density curves.
832850.fig.007a
(a)
832850.fig.007b
(b)