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.
| Original language | English |
|---|---|
| Pages (from-to) | 2159-2168 |
| Number of pages | 10 |
| Journal | Journal of the European Ceramic Society |
| Volume | 37 |
| Issue number | 5 |
| DOIs | |
| State | Published - 2017 May 1 |
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Keywords
- Gadolinia-doped ceria
- Glycine-nitrate process
- Nanoparticle
- Sintering
- Solid oxide fuel cell
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Highly controlled thermal behavior of a conjugated gadolinia-doped ceria nanoparticles synthesized by particle-dispersed glycine-nitrate process. / Lee, Seunghwan; Shin, Dong Wook; Park, Mansoo; Hong, Jongsup; Kim, Hyoungchul; Son, Ji Won; Lee, Jong Ho; Kim, Byung Kook; Lee, Hae Weon; Yoon, Kyung Joong.
In: Journal of the European Ceramic Society, Vol. 37, No. 5, 01.05.2017, p. 2159-2168.Research output: Contribution to journal › Article
TY - JOUR
T1 - Highly controlled thermal behavior of a conjugated gadolinia-doped ceria nanoparticles synthesized by particle-dispersed glycine-nitrate process
AU - Lee, Seunghwan
AU - Shin, Dong Wook
AU - Park, Mansoo
AU - Hong, Jongsup
AU - Kim, Hyoungchul
AU - Son, Ji Won
AU - Lee, Jong Ho
AU - Kim, Byung Kook
AU - Lee, Hae Weon
AU - Yoon, Kyung Joong
PY - 2017/5/1
Y1 - 2017/5/1
N2 - 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.
AB - 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.
KW - Gadolinia-doped ceria
KW - Glycine-nitrate process
KW - Nanoparticle
KW - Sintering
KW - Solid oxide fuel cell
UR - http://www.scopus.com/inward/record.url?scp=85009288200&partnerID=8YFLogxK
U2 - 10.1016/j.jeurceramsoc.2016.12.039
DO - 10.1016/j.jeurceramsoc.2016.12.039
M3 - Article
AN - SCOPUS:85009288200
VL - 37
SP - 2159
EP - 2168
JO - Journal of the European Ceramic Society
JF - Journal of the European Ceramic Society
SN - 0955-2219
IS - 5
ER -