Abstract：
:Microbial fuel cell (MFC) cathodes rapidly foul when treating domestic wastewater, substantially reducing power production over time. Here a wipe separator was chemically bonded to an activated carbon air cathode using polyvinylidene fluoride (PVDF) to mitigate cathode fouling and extend cathode performance over time. MFCs with separator-bonded cathodes produced a maximum power density of 190 ± 30 mW m-2 after 2 months of operation using domestic wastewater, which was ∼220% higher than controls (60 ± 50 mW m-2) with separators that were not chemically bonded to the cathode. Less biomass (protein) was measured on the bonded separator surface than the non-bonded separator, indicating chemical bonding reduced external bio-fouling. Salt precipitation that contributed to internal fouling was also reduced using separator-bonded cathodes. Overall, the separator-bonded cathodes showed better performance over time by mitigating both external bio-fouling and internal salt fouling.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Yang W,Rossi R,Tian Y,Kim KY,Logan BEdoi
10.1016/j.biortech.2017.10.109subject
Has Abstractpub_date
2018-02-01 00:00:00pages
1080-1084eissn
0960-8524issn
1873-2976pii
S0960-8524(17)31949-1journal_volume
249pub_type
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