Characterization of design factors affecting power output in a microbial fuel cell

Sang Eun Oh, Booki Min, Jungrae Kim, Hong Liu, Bruce Ernest Logan

Research output: Contribution to journalConference article

2 Citations (Scopus)

Abstract

Mediator-less microbial fuel cells (MFC) have been recently developed, but they show significant potential for the harvesting of energy from waste organic matter. Most researchers have been working on determining how bacteria transfers electrons and what kind of bacteria produces more current to design more efficient methods to transfer electrons. However, the physical and chemical optimization of the MFC is extremely important. The use of ferricyanide in the cathode compartment can increase power output by 1.5-1.8 times compared to that achieved with dissolved oxygen. The concentration of dissolved oxygen in the cathode chamber is a factor in power generation and power output was a function of size of the cathode, anode electrode, and proton permeable membrane. The KCl concentrations (∼ 0.3 M) in the anode or cathode chamber increased the power output by ∼ 56%. This is an abstract of a paper presented at the 228th ACS National Meeting (Philadelphia, PA 8/22-26/2004).

Original languageEnglish (US)
JournalACS National Meeting Book of Abstracts
Volume228
Issue number1
StatePublished - Jan 1 2004
EventAbstracts of Papers - 228th ACS National Meeting - Philadelphia, PA, United States
Duration: Aug 22 2004Aug 26 2004

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Microbial fuel cells
Cathodes
Dissolved oxygen
Bacteria
Anodes
Electrons
Biological materials
Power generation
Protons
Membranes
Electrodes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

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abstract = "Mediator-less microbial fuel cells (MFC) have been recently developed, but they show significant potential for the harvesting of energy from waste organic matter. Most researchers have been working on determining how bacteria transfers electrons and what kind of bacteria produces more current to design more efficient methods to transfer electrons. However, the physical and chemical optimization of the MFC is extremely important. The use of ferricyanide in the cathode compartment can increase power output by 1.5-1.8 times compared to that achieved with dissolved oxygen. The concentration of dissolved oxygen in the cathode chamber is a factor in power generation and power output was a function of size of the cathode, anode electrode, and proton permeable membrane. The KCl concentrations (∼ 0.3 M) in the anode or cathode chamber increased the power output by ∼ 56{\%}. This is an abstract of a paper presented at the 228th ACS National Meeting (Philadelphia, PA 8/22-26/2004).",
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Characterization of design factors affecting power output in a microbial fuel cell. / Oh, Sang Eun; Min, Booki; Kim, Jungrae; Liu, Hong; Logan, Bruce Ernest.

In: ACS National Meeting Book of Abstracts, Vol. 228, No. 1, 01.01.2004.

Research output: Contribution to journalConference article

TY - JOUR

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AU - Oh, Sang Eun

AU - Min, Booki

AU - Kim, Jungrae

AU - Liu, Hong

AU - Logan, Bruce Ernest

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