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Using multiple electrode pairs in a ceramic-based microbial fuel cell increases power density, with three-electrode pairs producing the highest average power density of 1447.91 mW/m².

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What they did

System
MFC

What worked

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Abstract

Abstract Ceramic is low-cost separator membrane has widely applied in dual-chambered Microbial Fuel Cell (MFC). Its big pores and other chemical and physical advantages make it suitable to substitute expensive exchange separator membranes. The purpose of this study is to enhance electricity of ceramic-based microbial fuel cell by using various number of carbon electrode pairs. This study uses tempe waste as anolyte and KMnO4 as its catholyte to gain electricity. Three variety of electrode pairs data of electricity result is processed statistically to examine significant difference of voltage, current, and power density as parameters. The result of this study shows that electricity of three-electrode pairs has a higher average of power density with the number 1447,91 mW/m 2 , the difference between three and two electrode pairs is around 588 mW/m 2 and between three and one electrode pairs is 910 mW/m 2 . It has significant difference between one, two, and three-electrode pairs in the parameters.

Key findings

  • Three-electrode pairs produce a higher average power density compared to two and one-electrode pairs.
  • The difference in power density between three and two-electrode pairs is approximately 588 mW/m².
  • The difference in power density between three and one-electrode pairs is approximately 910 mW/m².

Keywords

Microbial fuel cellElectrodeSeparator (oil production)ElectricityPower densityCeramic

Identifiers

DOI
10.1088/1742-6596/1788/1/012010
Journal
Journal of Physics: Conference Series
Year
2021