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Removable air-cathode to overcome cathode biofouling in microbial fuel cells

Oliot, Manon and Etcheverry, Luc and Bergel, Alain Removable air-cathode to overcome cathode biofouling in microbial fuel cells. (2016) Bioresource Technology, 221. 691-696. ISSN 0960-8524

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Official URL: https://doi.org/10.1016/j.biortech.2016.09.095

Abstract

An innovative microbial fuel cell (MFC) design is described, which allows the air-cathode to be replaced easily without draining the electrolyte. MFCs equipped with 9-cm2 or 50-cm2 bioanodes provided 0.6 and 0.7 W/m2 (referred to the cathode surface area) and were boosted to 1.25 and 1.96 W/m2, respectively, when the initial air-cathode was replaced by a new one. These results validate the practical interest of removable air-cathodes and evidence the importance of the cathode biofouling that takes place during the MFC starting phase. As this biofouling is compensated by the concomitant improvement of the bioanodes it cannot be detected on the power curves and may be a widespread cause of performance underestimation.

Item Type:Article
HAL Id:hal-02134859
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
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Deposited By: Loetitia MOYA
Deposited On:23 Oct 2018 08:06

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