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- W2904649430 abstract "A highly active cathode catalyst for oxygen reduction reaction (ORR) is the key to the efficient production of renewable energy from waste resources using microbial fuel cells (MFCs). Among non-noble metal catalysts, transition metals have shown promising activity towards ORR. In this study, synergy between cobalt (Co) and iron phthalocyanine (FePc) supported in carbide-derived carbon (CDC) is demonstrated in Co-FePc/CDC as the catalyst for ORR. Notably, CDC is synthesized from waste heating rods of a high temperature furnace. Several physicochemical characterization techniques, such as x-ray diffraction, Fourier transform infrared spectroscopy, transmission electron microscopy and Raman spectroscopy are used to confirm the successful doping of Co-FePc in the graphitic CDC. The polarization study using rotating disc electrode reveals Co-FePc/CDC to be a more efficient catalyst towards ORR than Co/CDC, the former material promoting a 4 electrons-pathway with the negligible formation of the intermediate H2O2. The cyclic voltammetry (CV) analysis showed highly consistent multiple redox peaks with a relatively smaller overpotential over multiple CV cycles. As a result of the enhanced ORR kinetics, the Co-FePc/CDC-based MFC recovered a peak power density of 1.57 W/m2 with the coulombic efficiency of 43.6% from the acetate-based synthetic wastewater. Furthermore, the MFC demonstrated an excellent chemical oxygen demand removal efficiency of 86%." @default.
- W2904649430 created "2018-12-22" @default.
- W2904649430 creator A5004891161 @default.
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- W2904649430 date "2019-03-01" @default.
- W2904649430 modified "2023-09-29" @default.
- W2904649430 title "Cobalt - Iron phthalocyanine supported on carbide - Derived carbon as an excellent oxygen reduction reaction catalyst for microbial fuel cells" @default.
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- W2904649430 doi "https://doi.org/10.1016/j.electacta.2018.12.056" @default.
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