Single-Chamber Microbial Fuel Cell with Multiple Plates of Bamboo Charcoal Anode: Performance Evaluation
Chikashi Sato, N. Evelin Paucar, Steve Chiu, Muhammad Z. I. M. Mahmud +1
AI summary
70% confidenceA single-chamber microbial fuel cell with multiple plates of bamboo charcoal anode was tested, showing increased power output when connected in series, but decreased power density.
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Abstract
In this study, three single-chamber microbial fuel cells (MFCs), each having Pt-coated carbon cloth as a cathode and four bamboo charcoal (BC) plates as an anode, were run in a fed-batch mode, individually and in series. Simulated potato-processing wastewater was used as a substrate for supporting the growth of a mixed bacterial culture. The maximum power output increased from 0.386 mW with one MFC to 1.047 mW with three MFCs connected in series. The maximum power density, however, decreased from 576 mW/m² (normalized to the cathode area) with one MFC to 520 mW/m² with three MFCs in series. The experimental results showed that power can be increased by connecting the MFCs in series; however, choosing low resistance BC is crucial for increasing power density.
Key findings
- Maximum power output increased from 0.386 mW to 1.047 mW when three MFCs were connected in series.
- Maximum power density decreased from 576 mW/m² to 520 mW/m² when three MFCs were connected in series.
- Low resistance bamboo charcoal is crucial for increasing power density.
Keywords
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- Year
- 2021