Fig. 2
From: Potential of Zymomonas mobilis as an electricity producer in ethanol production
ORP difference (solid line) between anode and cathode chambers during bioethanol production by Z. mobilis and electricity performance comparison among water, RM medium, and Z. mobilis ZM4 (OCV: solid lines, WV: dotted lines) (a), cyclic voltammetry measurement (b), polarization (solid lines) and power curves (dotted lines) of Z. mobilis-inoculated MFC (c) and energy flow during power generation of Z. mobilis (d)