Carlo Santoro Carlo.Santoro@uwe.ac.uk
Associate Professor in Bio-Energy
Supercapacitive paper based microbial fuel cell: High current/power production within a low cost design
Santoro, Carlo; Winfield, Jonathan; Theodosiou, Pavlina; Ieropoulos, Ioannis
Authors
Jonathan Winfield Jonathan.Winfield@uwe.ac.uk
School Director (Learning & Teaching)
Pavlina Theodosiou
Yannis Ieropoulos Ioannis2.Ieropoulos@uwe.ac.uk
Professor in Bioenergy & Director of B-B
Abstract
Microbial fuel cells (MFCs) with paper separators and liquid containing elements were investigated in supercapacitive mode. MFCs (15 mL) in a supercapacitive configuration, consisted of plain wrapped carbon veil anode (negative) and conductive latex cathode (positive). The internal supercapacitor is discharged galvanostatically and is self-recharged as red-ox reactions occur on both electrodes. MFCs were discharged at different current pulses varying from 1 mA to 7 mA. The MFCs had an equivalent series resistance of 41.2 ± 3.5 Ω caused mainly by the cathode. A maximum power of 1.380 ± 0.083 mW (0.092 ± 0.006 mW mL−1) was measured. Durability tests were conducted over 24 h collecting 1000 discharge cycles (0.5 s) and self-recharges (85 s) at a current of 1 mA. Over time the anode potential dropped causing a decline in performance perhaps due to evaporation of liquid from the pyramidal structure. Resistance and apparent capacitance measured during the durability test remained approximately constant during the cycles.
Citation
Santoro, C., Winfield, J., Theodosiou, P., & Ieropoulos, I. (2019). Supercapacitive paper based microbial fuel cell: High current/power production within a low cost design. Bioresource Technology Reports, 7, Article 100297. https://doi.org/10.1016/j.biteb.2019.100297
Journal Article Type | Article |
---|---|
Acceptance Date | Jul 26, 2019 |
Online Publication Date | Jul 27, 2019 |
Publication Date | Sep 1, 2019 |
Deposit Date | Oct 7, 2020 |
Publicly Available Date | Mar 29, 2024 |
Journal | Bioresource Technology Reports |
Electronic ISSN | 2589-014X |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 7 |
Article Number | 100297 |
DOI | https://doi.org/10.1016/j.biteb.2019.100297 |
Keywords | Microbial fuel cell; Urine; Supercapacitive mode; Galvanostatic discharges; Low-cost system |
Public URL | https://uwe-repository.worktribe.com/output/4443389 |
Additional Information | This article is maintained by: Elsevier; Article Title: Supercapacitive paper based microbial fuel cell: High current/power production within a low cost design; Journal Title: Bioresource Technology Reports; CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.biteb.2019.100297; Content Type: article; Copyright: © 2019 The Authors. Published by Elsevier Ltd. |
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Supercapacitive paper based microbial fuel cell: High current/power production within a low cost design
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