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Energies 2018, 11(9), 2312; https://doi.org/10.3390/en11092312

Practical Maximum-Power Extraction in Single Microbial Fuel Cell by Effective Delivery through Power Management System

1
Division of Biomedical Engineering, Chonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do 54896, Korea
2
Energy and Environmental Engineering Division, National Institute of Agricultural Sciences, Rural Development Administration, 310 Nongsaengmyeong-ro, Wansan-gu, Jeonju-si, Jeollabuk-do 54875, Korea
*
Author to whom correspondence should be addressed.
Received: 2 August 2018 / Revised: 29 August 2018 / Accepted: 1 September 2018 / Published: 2 September 2018
(This article belongs to the Section Sustainable Energy)
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Abstract

Power management systems (PMSs) are essential for the practical use of microbial fuel cell (MFC) technology, as they replace the unstable stacking of MFCs with step-up voltage conversion. Maximum-power extraction technology could improve the power output of MFCs; however, owing to the power consumption of the PMS operation, the maximum-power extraction point cannot deliver maximum power to the application load. This study proposes a practical power extraction for single MFCs, which reserves more electrical energy for an application load than conventional maximum power-point tracking (MPPT). When experimentally validated on a real MFC, the proposed method delivered higher output power during a longer PMS operation time than MPPT. The maximum power delivery enables more effective power conditioning of various micro-energy harvesting systems. View Full-Text
Keywords: microbial fuel cell; energy harvesting; power management system; maximum-power point; constant voltage ratio maximum power-point tracking (MPPT) microbial fuel cell; energy harvesting; power management system; maximum-power point; constant voltage ratio maximum power-point tracking (MPPT)
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Yeo, J.; Kim, T.; Jang, J.K.; Yang, Y. Practical Maximum-Power Extraction in Single Microbial Fuel Cell by Effective Delivery through Power Management System. Energies 2018, 11, 2312.

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