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Bacteria Energy Recovery System Using Natural Soil Bacteria in Microbial Fuel Cells

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  • Nathaniel Brochu

    (LABioTRON Bioengineering Research Laboratory, Electrical and Computer Engineering Department at of Science and Engineering, Université Laval, Adrien-Pouliot Build., 1065 Av. de la Médecine, Québec, QC G1V 0A6, Canada)

  • Benjamin Belanger-Huot

    (LABioTRON Bioengineering Research Laboratory, Electrical and Computer Engineering Department at of Science and Engineering, Université Laval, Adrien-Pouliot Build., 1065 Av. de la Médecine, Québec, QC G1V 0A6, Canada)

  • Dmytro Humeniuk

    (LABioTRON Bioengineering Research Laboratory, Electrical and Computer Engineering Department at of Science and Engineering, Université Laval, Adrien-Pouliot Build., 1065 Av. de la Médecine, Québec, QC G1V 0A6, Canada)

  • Lingling Gong

    (Chemistry Department, Faculty of Science and Engineering, Université Laval, Alexandre-Vachon Build., 1045 Av. de la Médecine, Québec, QC G1V 0A6, Canada)

  • Mehran Abbaszadeh Amirdehi

    (Chemistry Department, Faculty of Science and Engineering, Université Laval, Alexandre-Vachon Build., 1045 Av. de la Médecine, Québec, QC G1V 0A6, Canada)

  • Jesse Greener

    (Chemistry Department, Faculty of Science and Engineering, Université Laval, Alexandre-Vachon Build., 1045 Av. de la Médecine, Québec, QC G1V 0A6, Canada)

  • Amine Miled

    (LABioTRON Bioengineering Research Laboratory, Electrical and Computer Engineering Department at of Science and Engineering, Université Laval, Adrien-Pouliot Build., 1065 Av. de la Médecine, Québec, QC G1V 0A6, Canada
    Chemistry Department, Faculty of Science and Engineering, Université Laval, Alexandre-Vachon Build., 1045 Av. de la Médecine, Québec, QC G1V 0A6, Canada)

Abstract

This paper describes a two-cycle bacteria energy recovery system (BERS) to power two embedded sensors: an ultra-low portable pH sensor and a sound sensor. The designed unit can handle up to seven microbial fuel cells (MFCs) to charge a super-capacitor. This allows the BERS to provide a constant 0.14 mW without further electrical components for signal conditioning. The two cycles were driven with a 100 k Ω load and a 10 Hz frequency. The BERS is also self-powered with an integrated start-up unit to be self-activated when the MFCs charge the energy-storing unit after three days. The BERS powered pH sensor has an error below 5% at 25 ∘ C and is able to work continuously while being activated for 4 h. The performances of the pH and sound sensors were determined based on a compromise between accuracy and power consumption.

Suggested Citation

  • Nathaniel Brochu & Benjamin Belanger-Huot & Dmytro Humeniuk & Lingling Gong & Mehran Abbaszadeh Amirdehi & Jesse Greener & Amine Miled, 2021. "Bacteria Energy Recovery System Using Natural Soil Bacteria in Microbial Fuel Cells," Energies, MDPI, vol. 14(15), pages 1-12, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:15:p:4393-:d:598278
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    References listed on IDEAS

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    1. Dziegielowski, Jakub & Metcalfe, Benjamin & Villegas-Guzman, Paola & Martínez-Huitle, Carlos A. & Gorayeb, Adryane & Wenk, Jannis & Di Lorenzo, Mirella, 2020. "Development of a functional stack of soil microbial fuel cells to power a water treatment reactor: From the lab to field trials in North East Brazil," Applied Energy, Elsevier, vol. 278(C).
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