Microstructural factors of electrodes affecting the performance of anode-supported thin film yttria-stabilized zirconia electrolyte (similar to 1 mu m) solid oxide fuel cells
- Authors
- Noh, Ho-Sung; Lee, Heon; Kim, Byung-Kook; Lee, Hae-Weon; Lee, Jong-Ho; Son, Ji-Won
- Issue Date
- 1-9월-2011
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Thin film electrolyte solid oxide fuel cell; Yttria-stabilized zirconia; Pulsed laser deposition; Anode support; Cathode thickness
- Citation
- JOURNAL OF POWER SOURCES, v.196, no.17, pp.7169 - 7174
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF POWER SOURCES
- Volume
- 196
- Number
- 17
- Start Page
- 7169
- End Page
- 7174
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/111607
- DOI
- 10.1016/j.jpowsour.2010.09.038
- ISSN
- 0378-7753
- Abstract
- The effects of the microstructural factors of electrodes, such as the porosity and pore size of anode supports and the thickness of cathodes, on the performance of an anode-supported thin film solid oxide fuel cell (TF-SOFC) are investigated. The performance of the TF-SOFC with a 1 mu m-thick yttria-stabilized zirconia (YSZ) electrolyte is significantly improved by employing anode supports with increased porosity and pore size. The maximum power density of the TF-SOFCs increases from 370 mW cm(-2) to 624 mW cm(-2) and then to over 900 mW cm(-2) at 600 degrees C with increasing gas transport at the anode support. Thicker cathodes also improve cell performance by increasing the active reaction sites. The maximum power density of the cell increases from 624 mW cm(-2) to over 830 mW cm(-2) at 600 degrees C by changing the thickness of the lanthanum strontium cobaltite (LSC) cathode from 1 to 2-3 mu m. (C) 2010 Elsevier B.V. All rights reserved.
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