Applied Energy 211 (2018) 1089–1094 Contents lists available at ScienceDirect Applied Energy journal homepage: www.elsevier.com/locate/apenergy A high-performance rotating graphite ﬁber brush air-cathode for microbial fuel cells ⁎ ⁎ a,b, b,1 b, Shuiliang Chen , Sunil A. Patil , Uwe Schröder Department of Chemistry and Chemical Engineering, Jiangxi Normal University, 330022 Nanchang, China Institute of Environmental and Sustainable Chemistry, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany HIGHLIGHTS GR APHICAL A BSTRACT A binder-free rotating air-cathode is presented for enhancing ORR electro- catalysis in MFCs. It provided more three-phase oxygen reduction interface and enhanced mass transfer. It showed enhanced ORR electro- catalysis under a slow speed rotation conditions. It could be arranged horizontally in practically relevant systems to avoid water leaking. Bioenergy harvested by the MFCs or the ﬂow of wastewater would be used to rotate such air-cathodes. ARTICLE I NFO ABSTRACT Keywords: Microbial fuel cells (MFC) represent an emerging technology to harvest electric energy from waste streams like waste- Bioenergy waters. To further increase MFC performance, the individual fuel cell processes, such as the cathodic oxygen reduction Microbial fuel cell (ORR) need to be further improved. The commonly used, two-dimensional air-cathodes usually show limited performance Rotating air-cathode dueto a
Applied Energy – Elsevier
Published: Feb 1, 2018
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