Performance of Cathode Catalysts for Bio-Electricity from Paper Recycling, Wastewater-Fed, Microbial Fuel Cells
M. Radha, S. Kanmani
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90% confidenceMFC research in energy, microbial. This work deals with the performance of a microbial fuel cell, focusing on the e...
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Representative dual-chamber H-cell — matched on the paper’s reported configuration, not its exact geometry.
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Open in lab →What they did
- System
- MFC
- Substrate
- real wastewater
- Inoculum
- mixed culture (sludge and soil from paper recycling mill)
What worked
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Abstract
This work deals with the performance of a microbial fuel cell, focusing on the electrocatalytic activity of selected cathodes constructed by coating nanocomposites over graphite felt under neutral pH in a doublechamber configuration using paper-recycled waste water as a typical electrolyte. Among all cathodes, iron phthalocyanine (FePc) combined multiwalled carbon nanotubes (MWCNT) shows the highest power density (9.34 W/m) compared to other two catalysts, FePc/Ketjan black (4.68 W/m) and MWCNT (2.9 W/m) under similar conditions of using a reference platinum/carbon (Pt/C) loading of 0.5 mg/cm. The morphology of these catalyst coated electrodes was characterized by scanning electron microscopy. Their electrocatalytic activities were examined using cyclic voltammetry. This work provides an appropriate alternative for cathode catalysts in treatment as well as in electricity production as demonstrated by the high power density of the above catalysts compared to that using precious Pt metal catalyst in microbial fuel cells.
Keywords
Identifiers
- Journal
- Current Science
- Year
- 2017