期刊
ACS APPLIED MATERIALS & INTERFACES
卷 4, 期 12, 页码 6454-6457出版社
AMER CHEMICAL SOC
DOI: 10.1021/am302301t
关键词
microbial fuel cell; membrane; poly(vinyl alcohol); Coulombic efficiency; separator
资金
- King Abdullah University of Science and Technology (KAUST) [KUS-I1-003-13]
Microbial fuel cells (MFCs) with hydrophilic poly(vinyl alcohol) (PVA) separators showed higher Coulombic efficiencies (94%) and power densities (1220 mW m(-2)) than cells with porous glass fiber separators or reactors without a separator after 32 days of operation. These remarkable increases in both the coublomic efficiency and the power production of the microbial fuel cells were made possible by the separator's unique characteristics of fouling mitigation of the air cathode without a large increase in ionic resistance in the cell. This new type of polymer gel-like separator design will be useful for improving MFC reactor performance by enabling compact cell designs.
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