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Author

Kim, Guntae
GUNS Lab
Research Interests
  • Solid Oxide Fuel Cells (SOFCs)& SOE, metal-air batteries, ceramic membranes, PEMFC

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Fabrication and operating characteristics of a flat tubular segmented-in-series solid oxide fuel cell unit bundle

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Title
Fabrication and operating characteristics of a flat tubular segmented-in-series solid oxide fuel cell unit bundle
Author
Kim, Dae-WiYun, Ui-JinLee, Jong-WonLim, Tak-HyoungLee, Seung-BokPark, Seok-JooSong, Rak-HyunKim, Guntae
Keywords
Ceramic support; Flat tubular cell; Interconnect; Segmented-in-series (SIS)-SOFC; Unit bundle
Issue Date
201408
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
ENERGY, v.72, no., pp.215 - 221
Abstract
A unit bundle of a flat tubular segmented-in-series (SIS)-solid oxide fuel cell (SOFC) for intermediate temperature (650-800 °C) operation was fabricated and operated in this study. We fabricated flat tubular ceramic supports through an extrusion process and analyzed the basic properties of the flat tubular ceramic support: the visible microstructure, porosity, mechanical strength, and pore size distribution. After that, we manufactured a flat tubular SIS-SOFC single cell using screen printing and a vacuum slurry dip-coating method for the electrode/interconnect and electrolyte. In addition, to make a unit bundle for a flat tubular SIS-SOFC, five SIS-SOFC single cells with an effective electrode area of 0.8 cm2 were coated onto the surface of the prepared ceramic support and were connected in series using an Ag + glass interconnect between each single SIS-SOFC cell. The performance of the 5-cell unit bundle for a flat tubular SIS-SOFC in 3% humidified H2 and air at 800 °C had a maximum power of 2.5 W.
URI
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DOI
http://dx.doi.org/10.1016/j.energy.2014.05.026
ISSN
0360-5442
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