Research article
Fabrication of Single Chamber Microbial Fuel Cell (SMFC) Using Soil as a Substrate
https://doi.org/10.47836/pjst.30.2.14KeywordsActivated carbon, copper, DC-DC boost converter, graphite, soil microbial fuel cell (SMFC), zinc
Article content
Abstract
This paper presents a Single-chamber Microbial Fuel Cell (SMFC) design by utilizing soil as a substrate with two sets of electrode combinations, which are graphite-activated carbon and copper-zinc of different sizes. It was found that graphite and activated carbon produced greater power density compared to copper and zinc. Moreover, it was observed that the graphite-activated carbon cloth electrode with a bigger surface area of 51cm2, resulted in a higher power density of 904mW/m2. To further improve the voltage production of this model, four SMFCs were stacked in series and connected to a DC-DC boost converter to increase the voltage to 1.482 V for the copper-zinc electrode and 1.722 V for the graphite-activated carbon electrode, respectively, which was sufficient to light up an LED light.
Supporting literature
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