In the present investigation ethanol-water mixtures were directly fed to a yttria stabilized zirconia (YSZ) electrochemical reactor operated in a fuel cell mode and the preliminary results are presented and discussed. Polycrystalline films of platinum (Pt) and silver (Ag) were, respectively, tested as anode catalysts in a wide range of experimental conditions while the cathode was exposed to the atmospheric air. The single direct ethanol solid oxide fuel cell (DE-SOFC) tests were performed in order to investigate separately Pt and Ag’s activities towards ethanol steam reaction and fuel cell performance ( and ). In both cases the products were on-line analyzed by a mass spectrograph, a gas chromatograph and a series of gas analysers under fuel cell mode of operation. The results showed that even at high temperature values the main products were , , , , and . Furthermore, as expected the single DESOFC performance was improved as the temperature increased. However, a relatively poor fuel cell performance has been obtained in both cases, which could be attributed to the following reasons: the relatively low (for YSZ electrolyte) operation temperature, the presence of homogeneous reactions, and the cell configuration.
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November 2006
This article was originally published in
Journal of Fuel Cell Science and Technology
Research Papers
Investigation of the Reaction of Ethanol-Steam Mixtures in a YSZ Electrochemical Reactor Operated in a Fuel Cell Mode
Constantinos Poulianitis,
Constantinos Poulianitis
Department of Mechanical and Industrial Engineering, School of Engineering,
University of Thessaly
, Leoforos Athinon, Pedion Areos, Volos, 383 34, Greece
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Vasiliki Maragou,
Vasiliki Maragou
Department of Mechanical and Industrial Engineering, School of Engineering,
University of Thessaly
, Leoforos Athinon, Pedion Areos, Volos, 383 34, Greece
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Aiyu Yan,
Aiyu Yan
Department of Mechanical and Industrial Engineering, School of Engineering,
University of Thessaly
, Leoforos Athinon, Pedion Areos, Volos, 383 34, Greece
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Shuqin Song,
Shuqin Song
Department of Mechanical and Industrial Engineering, School of Engineering,
University of Thessaly
, Leoforos Athinon, Pedion Areos, Volos, 383 34, Greece
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Panagiotis Tsiakaras
Panagiotis Tsiakaras
Department of Mechanical and Industrial Engineering, School of Engineering,
e-mail: tsiak@uth.gr
University of Thessaly
, Leoforos Athinon, Pedion Areos, Volos, 383 34, Greece
Search for other works by this author on:
Constantinos Poulianitis
Department of Mechanical and Industrial Engineering, School of Engineering,
University of Thessaly
, Leoforos Athinon, Pedion Areos, Volos, 383 34, Greece
Vasiliki Maragou
Department of Mechanical and Industrial Engineering, School of Engineering,
University of Thessaly
, Leoforos Athinon, Pedion Areos, Volos, 383 34, Greece
Aiyu Yan
Department of Mechanical and Industrial Engineering, School of Engineering,
University of Thessaly
, Leoforos Athinon, Pedion Areos, Volos, 383 34, Greece
Shuqin Song
Department of Mechanical and Industrial Engineering, School of Engineering,
University of Thessaly
, Leoforos Athinon, Pedion Areos, Volos, 383 34, Greece
Panagiotis Tsiakaras
Department of Mechanical and Industrial Engineering, School of Engineering,
University of Thessaly
, Leoforos Athinon, Pedion Areos, Volos, 383 34, Greecee-mail: tsiak@uth.gr
J. Fuel Cell Sci. Technol. Nov 2006, 3(4): 459-463 (5 pages)
Published Online: February 28, 2006
Article history
Received:
November 30, 2005
Revised:
February 28, 2006
Citation
Poulianitis, C., Maragou, V., Yan, A., Song, S., and Tsiakaras, P. (February 28, 2006). "Investigation of the Reaction of Ethanol-Steam Mixtures in a YSZ Electrochemical Reactor Operated in a Fuel Cell Mode." ASME. J. Fuel Cell Sci. Technol. November 2006; 3(4): 459–463. https://doi.org/10.1115/1.2349529
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