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Immobilization of a Metal-Nitrogen-Carbon Catalyst on Activated Carbon With Enhanced Cathode Performance in Microbial Fuel Cells

Immobilization of a Metal-Nitrogen-Carbon Catalyst on Activated Carbon With Enhanced Cathode Performance in Microbial Fuel Cells

Wulin Yang, Bruce E Logan

ChemSusChem. 2016 Aug 23;9(16):2226-32.

PMID: 27416965

Abstract:

Applications of microbial fuel cells (MFCs) are limited in part by low power densities mainly due to cathode performance. Successful immobilization of an Fe-N-C co-catalyst on activated carbon (Fe-N-C/AC) improved the oxygen reduction reaction to nearly a four-electron transfer, compared to a twoelectron transfer achieved using AC. With acetate as the fuel, the maximum power density was 4.7±0.2 W m(-2) , which is higher than any previous report for an air-cathode MFC. With domestic wastewater as a fuel, MFCs with the Fe-N-C/AC cathode produced up to 0.8±0.03 W m(-2) , which was twice that obtained with a Pt-catalyzed cathode. The use of this Fe-N-C/AC catalyst can therefore substantially increase power production, and enable broader applications of MFCs for renewable electricity generation using waste materials.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
LS72342	Platinum on activated charcoal			Price

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