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Quantification of bio-anode capacitance in bioelectrochemical systems using Electrochemical Impedance Spectroscopy

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Quantification of bio-anode capacitance in bioelectrochemical systems using Electrochemical Impedance Spectroscopy. / Heijne, Annemiek ter; Liu, Dandan; Sulonen, Mira; Sleutels, Tom; Fabregat-Santiago, Francisco.

In: Journal of Power Sources, Vol. 400, 01.10.2018, p. 533-538.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Heijne, AT, Liu, D, Sulonen, M, Sleutels, T & Fabregat-Santiago, F 2018, 'Quantification of bio-anode capacitance in bioelectrochemical systems using Electrochemical Impedance Spectroscopy', Journal of Power Sources, vol. 400, pp. 533-538. https://doi.org/10.1016/j.jpowsour.2018.08.003

APA

Heijne, A. T., Liu, D., Sulonen, M., Sleutels, T., & Fabregat-Santiago, F. (2018). Quantification of bio-anode capacitance in bioelectrochemical systems using Electrochemical Impedance Spectroscopy. Journal of Power Sources, 400, 533-538. https://doi.org/10.1016/j.jpowsour.2018.08.003

Vancouver

Heijne AT, Liu D, Sulonen M, Sleutels T, Fabregat-Santiago F. Quantification of bio-anode capacitance in bioelectrochemical systems using Electrochemical Impedance Spectroscopy. Journal of Power Sources. 2018 Oct 1;400:533-538. https://doi.org/10.1016/j.jpowsour.2018.08.003

Author

Heijne, Annemiek ter ; Liu, Dandan ; Sulonen, Mira ; Sleutels, Tom ; Fabregat-Santiago, Francisco. / Quantification of bio-anode capacitance in bioelectrochemical systems using Electrochemical Impedance Spectroscopy. In: Journal of Power Sources. 2018 ; Vol. 400. pp. 533-538.

Bibtex - Download

@article{6d719b8f6e72411ba14efeee8e10b0ef,
title = "Quantification of bio-anode capacitance in bioelectrochemical systems using Electrochemical Impedance Spectroscopy",
abstract = "Understanding the electrochemical properties of bio-anodes is essential to improve performance of bioelectrochemical systems. Electrochemical Impedance Spectroscopy (EIS) is often used to study these properties in detail. Analysis of the EIS response, however, is challenging due to the interfering effect of the large capacitance of typically used graphite and carbon-based electrodes. In this study, we used flat electrodes made of conductive Fluorine-doped Tin Oxide (FTO) as anode, and monitored bio-anode performance. We show that with this configuration, it is possible to accurately separate the distinct contributions to the electrical response of the bio-anodes: charge transfer, biofilm and diffusion resistances, and biofilm capacitance. We observed that the capacitance of the biofilm increased from 2 μF cm−2 to 450 μF cm−2 during biofilm growth, showing a relationship with current and total produced charge. These results suggest that biofilm capacitance is a measure for the amount of active biomass in bioelectrochemical systems. At the end of the experiment, the biofilm was harvested from the FTO electrode and an average yield of 0.55 g COD biomass/mol e− was determined.",
keywords = "BES, Bioanode, Biomass yield, Capacitance, Electrochemical Impedance Spectroscopy, MET, Microbial fuel cell",
author = "Heijne, {Annemiek ter} and Dandan Liu and Mira Sulonen and Tom Sleutels and Francisco Fabregat-Santiago",
year = "2018",
month = "10",
day = "1",
doi = "10.1016/j.jpowsour.2018.08.003",
language = "English",
volume = "400",
pages = "533--538",
journal = "Journal of Power Sources",
issn = "0378-7753",
publisher = "Elsevier Science B.V.",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Quantification of bio-anode capacitance in bioelectrochemical systems using Electrochemical Impedance Spectroscopy

AU - Heijne, Annemiek ter

AU - Liu, Dandan

AU - Sulonen, Mira

AU - Sleutels, Tom

AU - Fabregat-Santiago, Francisco

PY - 2018/10/1

Y1 - 2018/10/1

N2 - Understanding the electrochemical properties of bio-anodes is essential to improve performance of bioelectrochemical systems. Electrochemical Impedance Spectroscopy (EIS) is often used to study these properties in detail. Analysis of the EIS response, however, is challenging due to the interfering effect of the large capacitance of typically used graphite and carbon-based electrodes. In this study, we used flat electrodes made of conductive Fluorine-doped Tin Oxide (FTO) as anode, and monitored bio-anode performance. We show that with this configuration, it is possible to accurately separate the distinct contributions to the electrical response of the bio-anodes: charge transfer, biofilm and diffusion resistances, and biofilm capacitance. We observed that the capacitance of the biofilm increased from 2 μF cm−2 to 450 μF cm−2 during biofilm growth, showing a relationship with current and total produced charge. These results suggest that biofilm capacitance is a measure for the amount of active biomass in bioelectrochemical systems. At the end of the experiment, the biofilm was harvested from the FTO electrode and an average yield of 0.55 g COD biomass/mol e− was determined.

AB - Understanding the electrochemical properties of bio-anodes is essential to improve performance of bioelectrochemical systems. Electrochemical Impedance Spectroscopy (EIS) is often used to study these properties in detail. Analysis of the EIS response, however, is challenging due to the interfering effect of the large capacitance of typically used graphite and carbon-based electrodes. In this study, we used flat electrodes made of conductive Fluorine-doped Tin Oxide (FTO) as anode, and monitored bio-anode performance. We show that with this configuration, it is possible to accurately separate the distinct contributions to the electrical response of the bio-anodes: charge transfer, biofilm and diffusion resistances, and biofilm capacitance. We observed that the capacitance of the biofilm increased from 2 μF cm−2 to 450 μF cm−2 during biofilm growth, showing a relationship with current and total produced charge. These results suggest that biofilm capacitance is a measure for the amount of active biomass in bioelectrochemical systems. At the end of the experiment, the biofilm was harvested from the FTO electrode and an average yield of 0.55 g COD biomass/mol e− was determined.

KW - BES

KW - Bioanode

KW - Biomass yield

KW - Capacitance

KW - Electrochemical Impedance Spectroscopy

KW - MET

KW - Microbial fuel cell

U2 - 10.1016/j.jpowsour.2018.08.003

DO - 10.1016/j.jpowsour.2018.08.003

M3 - Article

VL - 400

SP - 533

EP - 538

JO - Journal of Power Sources

JF - Journal of Power Sources

SN - 0378-7753

ER -