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A self-starting power management system is developed to extract energy from sediment microbial fuel cells (SMFCs) and power electronic devices in remote locations.

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Representative MFC — matched on the paper’s system type only, not its reactor or geometry.

Extraction

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What they did

System
MFC

What worked

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Abstract

Sediment microbial fuel cell (SMFC) generates a very low voltage which enables to power the electronics device. A power management system (PMS) has been implemented to extract energy from SMFC to provide power in a remote location. A Dc-Dc boost converter and a super capacitor are used in PMS. Eight SMFCs are implemented in the laboratory and are connected them in the series-parallel electrical connection. The energy obtained from stack SMFC is stored in the super capacitor. The energy stored in the super capacitor is applied to drive a Dc-Dc converter. The advantage of introducing the super capacitor in between the stack SMFC and the converter is that it provides a constant input voltage for the Dc-Dc converter. Two separate experiments are performed for the 6 V and 21.40 V. This PMS is able to drive a high voltage electronic device. The presented PMS system with SMFC is sustainable, self-powered, maintenance-free, and environment-friendly, which can be used in a remote location.

Key findings

  • The SMFC generates a low voltage, but a power management system (PMS) with a Dc-Dc boost converter and super capacitor can extract and store energy.
  • Eight SMFCs are connected in series-parallel to increase the voltage and energy output.
  • The PMS can drive high-voltage electronic devices and is sustainable, self-powered, maintenance-free, and environment-friendly.

Keywords

CapacitorMicrobial fuel cellElectrical engineeringPower managementVoltagePower (physics)

Identifiers

DOI
10.26480/icpesd.03.2022.206.210
Journal
INTERNATIONAL CONFERENCE ON POWER ELECTRONICS & SUSTAINABLE DEVELOPMENT (ICPESD)
Year
2022