Performance and kinetic study of photo microbial fuel cells (PMFCs) with different electrode distances

Kumaran Raman and John Chi-Wei Lan

Applied Energy, 2012, vol. 100, issue C, 100-105

Abstract: Focus of this study is to observe the stirring effect on electrode distances by using Chlamydomonas reinhardtii transformation F5 in photo microbial fuel cells (PMFCs). The electrode distances applied in this study were 10.3, 12.5 and 14.7cm, respectively. Higher power density and lower internal resistance were observed at electrode distance of 14.7 and 10.3cm compared to at electrode distance of 12.5cm. Despite of it, higher exchange current density (io) and over potential (η) but lower electron transfer coefficient (β) can be observed at electrode distance of 14.7 and 10.3cm compared to electrode distance of 12.5cm. Since the results observed in the present study are different from some reported studies, the explanations are discussed in this paper. In addition we also performed experiment with different stirring speed and found out that power density increased and internal resistance decreased with the increasing stirring speed.

Keywords: Photo microbial fuel cell (PMFC); Chlamydomonas reinhardtii transformation F5; Electrode distance; Stirring speed; Maximum power density; Kinetic analysis (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:100:y:2012:i:c:p:100-105

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DOI: 10.1016/j.apenergy.2012.03.011

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