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Article

Enhanced Power Extraction with Sediment Microbial Fuel Cells by Anode Alternation

1
Department of Applied Science and Technology, Materials and Processes for Micro & Nano Technologies, Politecnico di Torino, Corso Duca Degli Abruzzi 24, 10129 Torino, Italy
2
Center for Sustainable Fututre [email protected], Istituto Italiano di Tecnologia, Via Livorno 60, 10144 Torino, Italy
*
Authors to whom correspondence should be addressed.
Academic Editor: Martin Olazar
Fuels 2021, 2(2), 168-178; https://doi.org/10.3390/fuels2020010
Received: 24 November 2020 / Revised: 19 March 2021 / Accepted: 28 April 2021 / Published: 30 April 2021
(This article belongs to the Special Issue Feature Papers in Fuels)
Sediment microbial fuel cells (SMFCs) are energy harvesting devices where the anode is buried inside marine sediment, while the cathode stays in an aerobic environment on the surface of the water. To apply this SCMFC as a power source, it is crucial to have an efficient power management system, leading to development of an effective energy harvesting technique suitable for such biological devices. In this work, we demonstrate an effective method to improve power extraction with SMFCs based on anodes alternation. We have altered the setup of a traditional SMFC to include two anodes working with the same cathode. This setup is compared with a traditional setup (control) and a setup that undergoes intermittent energy harvesting, establishing the improvement of energy collection using the anodes alternation technique. Control SMFC produced an average power density of 6.3 mW/m2 and SMFC operating intermittently produced 8.1 mW/m2. On the other hand, SMFC operating using the anodes alternation technique produced an average power density of 23.5 mW/m2. These results indicate the utility of the proposed anodes alternation method over both the control and intermittent energy harvesting techniques. The Anode Alternation can also be viewed as an advancement of the intermittent energy harvesting method. View Full-Text
Keywords: sediment microbial fuel cells; energy harvesting; Anode Alternation; intermittent energy harvesting sediment microbial fuel cells; energy harvesting; Anode Alternation; intermittent energy harvesting
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MDPI and ACS Style

Quaglio, M.; Ahmed, D.; Massaglia, G.; Sacco, A.; Margaria, V.; Pirri, C.F. Enhanced Power Extraction with Sediment Microbial Fuel Cells by Anode Alternation. Fuels 2021, 2, 168-178. https://doi.org/10.3390/fuels2020010

AMA Style

Quaglio M, Ahmed D, Massaglia G, Sacco A, Margaria V, Pirri CF. Enhanced Power Extraction with Sediment Microbial Fuel Cells by Anode Alternation. Fuels. 2021; 2(2):168-178. https://doi.org/10.3390/fuels2020010

Chicago/Turabian Style

Quaglio, Marzia, Daniyal Ahmed, Giulia Massaglia, Adriano Sacco, Valentina Margaria, and Candido Fabrizio Pirri. 2021. "Enhanced Power Extraction with Sediment Microbial Fuel Cells by Anode Alternation" Fuels 2, no. 2: 168-178. https://doi.org/10.3390/fuels2020010

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