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

1 Citation (Scopus)

Abstract

Several advances in the design of the fuel cells that could make these processes economical for treating waste organic matter and generating electricity at the same time is presented. The use of ferricyanide ion in the cathode compartment can increase power output of microbial fuel cell by 1.5 to 1.8 times compared to that achieved with dissolved oxygen (DO). The concentration of DO in the cathode chamber was also a factor in power generation, with the power levels exhibiting Monod like kinetics with a DO half saturation constant of KDO = 1.74 mg-O2/L. Power output was a function of sizes 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%. KCl concentrations above 0.4 M in the anode chamber decreased the power output resulting from inhibition of microorganisms by the higher concentrations of KCl. This is an abstract of a paper presented at the 228th ACS National Meeting (Philadelphia, PA 8/22-26/2004).

Original languageEnglish (US)
Pages (from-to)1492-1494
Number of pages3
JournalACS, Division of Environmental Chemistry - Preprints of Extended Abstracts
Volume44
Issue number2
StatePublished - Dec 1 2004
Event228th ACS National Meeting - Philadelphia, PA, United States
Duration: Aug 22 2004Aug 26 2004

Fingerprint

Microbial fuel cells
Cathodes
Dissolved oxygen
Anodes
Microorganisms
Biological materials
Power generation
Fuel cells
Protons
Electricity
Membranes
Electrodes
Kinetics
Ions

All Science Journal Classification (ASJC) codes

  • Energy(all)

Cite this

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abstract = "Several advances in the design of the fuel cells that could make these processes economical for treating waste organic matter and generating electricity at the same time is presented. The use of ferricyanide ion in the cathode compartment can increase power output of microbial fuel cell by 1.5 to 1.8 times compared to that achieved with dissolved oxygen (DO). The concentration of DO in the cathode chamber was also a factor in power generation, with the power levels exhibiting Monod like kinetics with a DO half saturation constant of KDO = 1.74 mg-O2/L. Power output was a function of sizes 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{\%}. KCl concentrations above 0.4 M in the anode chamber decreased the power output resulting from inhibition of microorganisms by the higher concentrations of KCl. 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, Division of Environmental Chemistry - Preprints of Extended Abstracts, Vol. 44, No. 2, 01.12.2004, p. 1492-1494.

Research output: Contribution to journalConference article

TY - JOUR

T1 - Characterization of design factors affecting power output in a microbial fuel cell

AU - Oh, Sang Eun

AU - Min, Booki

AU - Kim, Jungrae

AU - Liu, Hong

AU - Logan, Bruce Ernest

PY - 2004/12/1

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N2 - Several advances in the design of the fuel cells that could make these processes economical for treating waste organic matter and generating electricity at the same time is presented. The use of ferricyanide ion in the cathode compartment can increase power output of microbial fuel cell by 1.5 to 1.8 times compared to that achieved with dissolved oxygen (DO). The concentration of DO in the cathode chamber was also a factor in power generation, with the power levels exhibiting Monod like kinetics with a DO half saturation constant of KDO = 1.74 mg-O2/L. Power output was a function of sizes 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%. KCl concentrations above 0.4 M in the anode chamber decreased the power output resulting from inhibition of microorganisms by the higher concentrations of KCl. This is an abstract of a paper presented at the 228th ACS National Meeting (Philadelphia, PA 8/22-26/2004).

AB - Several advances in the design of the fuel cells that could make these processes economical for treating waste organic matter and generating electricity at the same time is presented. The use of ferricyanide ion in the cathode compartment can increase power output of microbial fuel cell by 1.5 to 1.8 times compared to that achieved with dissolved oxygen (DO). The concentration of DO in the cathode chamber was also a factor in power generation, with the power levels exhibiting Monod like kinetics with a DO half saturation constant of KDO = 1.74 mg-O2/L. Power output was a function of sizes 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%. KCl concentrations above 0.4 M in the anode chamber decreased the power output resulting from inhibition of microorganisms by the higher concentrations of KCl. This is an abstract of a paper presented at the 228th ACS National Meeting (Philadelphia, PA 8/22-26/2004).

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