Highly controlled thermal behavior of a conjugated gadolinia-doped ceria nanoparticles synthesized by particle-dispersed glycine-nitrate process
- Authors
- Lee, Seunghwan; Shin, Dongwook; Park, Mansoo; Hong, Jongsup; Kim, Hyoungchul; Son, Ji-Won; Lee, Jong-Ho; Kim, Byung-Kook; Lee, Hae-Weon; Yoon, Kyung Joong
- Issue Date
- May-2017
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Gadolinia-doped eerie; Glycine-nitrate process; Sintering; Nanoparticle; Solid oxide fuel cell
- Citation
- JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, v.37, no.5, pp.2159 - 2168
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
- Volume
- 37
- Number
- 5
- Start Page
- 2159
- End Page
- 2168
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/20344
- DOI
- 10.1016/j.jeurceramsoc.2016.12.039
- ISSN
- 0955-2219
- Abstract
- Gadolinia-doped ceria (GDC) has emerged as one of the most essential component materials for next generation solid oxide fuel cells (SOFCs). The refractory nature of GDC has been a major hurdle for its successful implementation, and precise control of the thermal behavior is crucial. Here, we report a particle-dispersed glycine-nitrate process (PD-GNP) that leads to the formation of fast-sintering nanoparticles uniformly conjugated to the surface of slow-sintering inclusion particles. The independent regulation of nanoparticles and sintering aids based on in situ co-assembly process enables precise control over the individual stages of the sintering process and grain growth, resulting in complete densification at desired temperatures. This work highlights a simple and cost-effective way to produce exquisitely tailored GDC nanopowder for specific purposes in the manufacturing of SOFCs; furthermore, it expands opportunities to effectively exploit nanotechnology in the fabrication of a wide range of multilayer ceramic devices.
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