A nanoarchitectured cermet composite with extremely low Ni content for stable high-performance solid oxide fuel cells

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A strategy for improving the stability of nickel-based solid oxide fuel cell (SOFC) anodes via compositional and microstructural engineering is presented. Ni content was reduced to 2 vol%, and nanosized Ni particles were uniformly dispersed in a mixed ionic-electronic conducting matrix comprising gadolinium-doped ceria (GDC) using a thin-film technique. Remarkable stability with no performance deterioration even after 100 reduction-oxidation cycles could be observed for the optimized nanostructured anodes. Cell performance at 500°C was enhanced, exceeding 650 mW/cm2. This study offers valuable insights for enhancing the durability, performance, and productivity of SOFCs. © 2020
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2021-03
Language
English
Article Type
Article
Citation

ACTA MATERIALIA, v.206, pp.116580

ISSN
1359-6454
DOI
10.1016/j.actamat.2020.116580
URI
http://hdl.handle.net/10203/280396
Appears in Collection
MS-Journal Papers(저널논문)
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