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Co-synthesis of nano-sized LSM-YSZ composites with enhanced electrochemical property
- Authors
- Kim, Jung Hyun; Song, Rak Hyun; Kim, Jong Hee; Lim, Tak Hyoung; Sun, Yang Kook; Shin, Dong Ryul
- Issue Date
- Oct-2007
- Publisher
- Springer Verlag
- Keywords
- LSM-YSZ composite; cathode; glycine-nitrate process; solid oxide fuel cell (SOFC)
- Citation
- Journal of Solid State Electrochemistry, v.11, no.10, pp 1385 - 1390
- Pages
- 6
- Indexed
- SCIE
SCOPUS
- Journal Title
- Journal of Solid State Electrochemistry
- Volume
- 11
- Number
- 10
- Start Page
- 1385
- End Page
- 1390
- ISSN
- 1432-8488
1433-0768
- Abstract
- Nano-sized LSM-YSZ composite was co-synthesized by a glycine-nitrate process (GNP). Transmission electron microscopy revealed that the as-prepared LSM-YSZ particles consist of nano-sized powders with a dominant YSZ phase. Backscatter electron image shows that LSM and YSZ phases were regularly dispersed within the composite. Alternating current impedance measurement revealed that the co-synthesized LSM-YSZ electrode shows lower polarization resistance and activation energy than the physically mixed LSM-YSZ electrode. This electrochemical improvement would be attributed to the increase in three-phase boundary and good dispersion of LSM and YSZ phases within the composite.
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Related Researcher
- Sun, Yang Kook
- COLLEGE OF ENGINEERING (DEPARTMENT OF ENERGY ENGINEERING)