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Rapid, cool sintering of wet processed yttria-stabilized zirconia ceramic electrolyte thin films

Title
Rapid, cool sintering of wet processed yttria-stabilized zirconia ceramic electrolyte thin films
Author
김영범
Keywords
OXIDE FUEL-CELL; GRAIN-BOUNDARY BLOCKING; IONIC-CONDUCTIVITY; SULFUR BATTERIES; SEGREGATION; DEPOSITION; LAYER
Issue Date
2017-09
Publisher
NATURE PUBLISHING GROUP
Citation
SCIENTIFIC REPORTS, v. 7, Article no. 12458
Abstract
Here we report a photonic annealing process for yttria-stabilized zirconia films, which are one of the most well-known solid-state electrolytes for solid oxide fuel cells (SOFCs). Precursor films were coated using a wet-chemical method with a simple metal-organic precursor solution and directly annealed at standard pressure and temperature by two cycles of xenon flash lamp irradiation. The residual organics were almost completely decomposed in the first pre-annealing step, and the fluorite crystalline phases and good ionic conductivity were developed during the second annealing step. These films showed properties comparable to those of thermally annealed films. This process is much faster than conventional annealing processes (e.g. halogen furnaces); a few seconds compared to tens of hours, respectively. The significance of this work includes the treatment of solid-state electrolyte oxides for SOFCs and the demonstration of the feasibility of other oxide components for solid-state energy devices.
URI
https://www.nature.com/articles/s41598-017-12438-9https://repository.hanyang.ac.kr/handle/20.500.11754/115442
ISSN
2045-2322
DOI
10.1038/s41598-017-12438-9
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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