Evaluation of energy-conversion efficiencies in microbial fuel cells (MFCs) utilizing fermentable and non-fermentable substrates.

@article{Lee2008EvaluationOE,
  title={Evaluation of energy-conversion efficiencies in microbial fuel cells (MFCs) utilizing fermentable and non-fermentable substrates.},
  author={Hyung-sool Lee and Prathap Parameswaran and Andrew Kato-Marcus and C{\'e}sar Iv{\'a}n Torres and Bruce E. Rittmann},
  journal={Water research},
  year={2008},
  volume={42 6-7},
  pages={1501-10}
}
We established the first complete electron-equivalent balances in microbial fuel cells (MFCs) fed with non-fermentable (acetate) and fermentable (glucose) electron donors by experimentally quantifying current, biomass, residual organic compounds, H(2), and CH(4) gas. The comparison of the two donors allowed us to objectively evaluate the diversion of electron flow to non-electricity sinks for fermentable donors, leading to different behaviors in energy-conversion efficiency (ECE) and potential… CONTINUE READING
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