Optimization of air cathode used in one- chamber microbial fuel cells

Shao An Cheng; Hong Liu; Bruce E. Logan

Optimization of air cathode used in one- chamber microbial fuel cells

Shao An Cheng, Hong Liu, Bruce E. Logan

Research output: Contribution to journal › Conference article › peer-review

Abstract

The effects of Pt-loading, electrode structure, and bio-film on cathode performance were studied. There were no peaks in both the anodic and cathodic part of cyclic voltammograms for all the electrodes. Both anodic current and cathode current increased as the Pt loading increased, which was related to the porous structure of the electrode. The performance of cathode always increased with Pt loading but not significantly within a Pt-loading range of 0.1-1 mg/sq cm. The electrode with 1 mg/cm Pt was only 0.035 v higher than that for the electrode with 0.1 mg/sq cm Pt at a current density of 0.1 mA/cm. Similar results were obtained for the electrodes using PTFE bound to the electrode which produced a more hydrophobic electrode surface. This is an abstract of a paper presented at the 228th ACS National Meeting (Philadelphia, PA 8/22-26/2004).

Original language	English (US)
Pages (from-to)	1514-1516
Number of pages	3
Journal	ACS, Division of Environmental Chemistry - Preprints of Extended Abstracts
Volume	44
Issue number	2
State	Published - 2004
Event	228th ACS National Meeting - Philadelphia, PA, United States Duration: Aug 22 2004 → Aug 26 2004

All Science Journal Classification (ASJC) codes

Energy(all)

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title = "Optimization of air cathode used in one- chamber microbial fuel cells",

abstract = "The effects of Pt-loading, electrode structure, and bio-film on cathode performance were studied. There were no peaks in both the anodic and cathodic part of cyclic voltammograms for all the electrodes. Both anodic current and cathode current increased as the Pt loading increased, which was related to the porous structure of the electrode. The performance of cathode always increased with Pt loading but not significantly within a Pt-loading range of 0.1-1 mg/sq cm. The electrode with 1 mg/cm Pt was only 0.035 v higher than that for the electrode with 0.1 mg/sq cm Pt at a current density of 0.1 mA/cm. Similar results were obtained for the electrodes using PTFE bound to the electrode which produced a more hydrophobic electrode surface. This is an abstract of a paper presented at the 228th ACS National Meeting (Philadelphia, PA 8/22-26/2004).",

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T1 - Optimization of air cathode used in one- chamber microbial fuel cells

AU - Cheng, Shao An

AU - Liu, Hong

AU - Logan, Bruce E.

PY - 2004

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N2 - The effects of Pt-loading, electrode structure, and bio-film on cathode performance were studied. There were no peaks in both the anodic and cathodic part of cyclic voltammograms for all the electrodes. Both anodic current and cathode current increased as the Pt loading increased, which was related to the porous structure of the electrode. The performance of cathode always increased with Pt loading but not significantly within a Pt-loading range of 0.1-1 mg/sq cm. The electrode with 1 mg/cm Pt was only 0.035 v higher than that for the electrode with 0.1 mg/sq cm Pt at a current density of 0.1 mA/cm. Similar results were obtained for the electrodes using PTFE bound to the electrode which produced a more hydrophobic electrode surface. This is an abstract of a paper presented at the 228th ACS National Meeting (Philadelphia, PA 8/22-26/2004).

AB - The effects of Pt-loading, electrode structure, and bio-film on cathode performance were studied. There were no peaks in both the anodic and cathodic part of cyclic voltammograms for all the electrodes. Both anodic current and cathode current increased as the Pt loading increased, which was related to the porous structure of the electrode. The performance of cathode always increased with Pt loading but not significantly within a Pt-loading range of 0.1-1 mg/sq cm. The electrode with 1 mg/cm Pt was only 0.035 v higher than that for the electrode with 0.1 mg/sq cm Pt at a current density of 0.1 mA/cm. Similar results were obtained for the electrodes using PTFE bound to the electrode which produced a more hydrophobic electrode surface. This is an abstract of a paper presented at the 228th ACS National Meeting (Philadelphia, PA 8/22-26/2004).

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