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A robust correlation based on dimensional analysis to characterize microbial fuel cells

Gadkari, Siddharth and Sadhukhan, Jhuma (2020) A robust correlation based on dimensional analysis to characterize microbial fuel cells Scientific Reports, 10, 8407.

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Abstract

We present a correlation for determining the power density of microbial fuel cells based on dimensional analysis. Important operational, design and biological parameters are non-dimensionalized using a selection of scaling variables. Experimental data from various microbial fuel cell studies operating over a wide range of system parameters are analyzed to attest accuracy of the model in predicting power output. The correlation predicts nonlinear dependencies between power density, substrate concentration, solution conductivity, external resistance, and electrode spacing. The straightforward applicability without the need for any significant computational resources, while preserving good level of accuracy; makes this correlation useful in focusing the experimental effort for the design and optimization of microbial fuel cells.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Chemical and Process Engineering
Authors :
NameEmailORCID
Gadkari, Siddharths.gadkari@surrey.ac.uk
Sadhukhan, JhumaJ.Sadhukhan@surrey.ac.uk
Date : 21 May 2020
DOI : 10.1038/s41598-020-65375-5
Copyright Disclaimer : Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
Uncontrolled Keywords : Chemical engineering; Electrochemistry; Energy; Environmental biotechnology; Environmental chemistry; Fuel cells; Renewable energy;
Depositing User : Clive Harris
Date Deposited : 29 May 2020 16:36
Last Modified : 29 May 2020 16:36
URI: http://epubs.surrey.ac.uk/id/eprint/857014

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