Characteristics of the MFC before the first batch
fermentation The A. aceti cells were suspended in the fermentation
medium and injected into the anode chamber of the aircathode
single-chamber MFC, where they were incubated at 30C
with mild agitation under magnetic stirring. The OCV of the MFC
was detected immediately after the injection and increased with
time before reaching a plateau at 0.340 V after 4 h, while no increase
in the OCV was observed in the absence of A. aceti cells (data
not shown). The currentevoltage (ieV) relationship for the MFC
setup was measured before the first batch fermentation (Fig. 1).