P. Ledezma
Bi-directional electrical characterisation of microbial fuel cell
Ledezma, P.; Greenman, J.; Ieropoulos, I. A.; Ledezma, Pablo; Degrenne, N.; Bevilacqua, P.; Greenman, John; Buret, F.; Ieropoulos, Ioannis; Allard, B.
Authors
J. Greenman
I. A. Ieropoulos
Pablo Ledezma
N. Degrenne
P. Bevilacqua
John Greenman john.greenman@uwe.ac.uk
F. Buret
Yannis Ieropoulos Ioannis2.Ieropoulos@uwe.ac.uk
Professor in Bioenergy & Director of B-B
B. Allard
Abstract
The electrical performance of microbial fuel cells in steady-state is usually investigated by standard characterisation methods that reveal many important parameters e.g. maximum power. This paper introduces a novel " bi-directional" method to study how the acquisition parameters (i.e. sweep rate and sweep regime) can influence measurements and consequently performance estimations. The investigation exhibited considerable differences (hysteresis) between the forward and backward characterisation regimes, indicating a difficulty to reach steady-state under certain conditions. Moreover, it is found that fast sweep rates (time-step of 2. min) can lead to an overestimation of the short-circuit currents, while prolonged operation with high external loads leads to maximum power overestimation and extended conditioning at high currents can result in its underestimation. © 2012 Elsevier Ltd.
Citation
Ieropoulos, I. A., Greenman, J., Ledezma, P., Degrenne, N., Ledezma, P., Bevilacqua, P., …Ieropoulos, I. (2013). Bi-directional electrical characterisation of microbial fuel cell. Bioresource Technology, 128, 769-773. https://doi.org/10.1016/j.biortech.2012.10.110
Journal Article Type | Article |
---|---|
Publication Date | Jan 1, 2013 |
Journal | Bioresource Technology |
Print ISSN | 0960-8524 |
Electronic ISSN | 1873-2976 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 128 |
Pages | 769-773 |
DOI | https://doi.org/10.1016/j.biortech.2012.10.110 |
Keywords | microbial fuel cell, electrical performance, static characteristics, dynamic characteristics, hysteresis |
Public URL | https://uwe-repository.worktribe.com/output/936057 |
Publisher URL | http://dx.doi.org/10.1016/j.biortech.2012.10.110 |
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