Fabrication of SmBa0.5Sr0.5Co2O5+δ cathode material and its application for Sr- and Mg-doped LaGaO3 electrolyte-supported solid oxide fuel cell

Tai Nan Lin, Ruey Yi Lee, Jen Yuan Kuo, Tatsumi Ishihara, Kohei Hosoi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The layered samarium and strontium doped perovskite oxide SmBa0.5Sr0.5Co2O5+δ (SBSC) was synthesized by glycine nitrate combustion process (GNC). The structure, microstructure, conductivity, and coefficient of thermal expansion were investigated. The crystallinity of SBSC powder showed pure perovskite phase above 1000°C according to the XRD and TGA results. With increased calcination temperature, the crystallinity improved and the powders grew larger and agglomeration occurred. The conductivity of SBSC powders increased with elevated temperature while the coefficient of thermal expansion was 22.6 × 10-6 K-1. SBSC powders were utilized as cathode materials in Sr-and Mg-doped LaGaO3 (LSGM)-based electrolyte-supported solid oxide fuel cell for power performance test. The cell with structure of (NiFe + CMF) | LSGM | SBSC was operated from 700 to 800°C with humidified H2 as a fuel and ambient air as oxidant. The maximum power densities were 550 and 170 mW cm-2 at 800 and 700°C, respectively. The experimental results indicate that SBSC is a promising cathode material for intermediate temperature solid oxide fuel cell (IT-SOFC).

Original languageEnglish
Title of host publicationSolid Oxide Fuel Cells 14, SOFC 2015
EditorsS. C. Singhal, K. Eguchi
PublisherElectrochemical Society Inc.
Pages895-901
Number of pages7
Edition1
ISBN (Electronic)9781607685395
DOIs
Publication statusPublished - Jan 1 2015
Event14th International Symposium on Solid Oxide Fuel Cells, SOFC 2015; held as part of the Electrochemical Society, ECS Conference on Electrochemical Energy Conversion and Storage - Glasgow, United Kingdom
Duration: Jul 26 2015Jul 31 2015

Publication series

NameECS Transactions
Number1
Volume68
ISSN (Print)1938-6737
ISSN (Electronic)1938-5862

Other

Other14th International Symposium on Solid Oxide Fuel Cells, SOFC 2015; held as part of the Electrochemical Society, ECS Conference on Electrochemical Energy Conversion and Storage
CountryUnited Kingdom
CityGlasgow
Period7/26/157/31/15

Fingerprint

Solid oxide fuel cells (SOFC)
Cathodes
Electrolytes
Powders
Fabrication
Perovskite
Thermal expansion
Samarium
Strontium
Oxidants
Calcination
Temperature
Amino acids
Nitrates
Agglomeration
Microstructure
Oxides
Air

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Lin, T. N., Lee, R. Y., Kuo, J. Y., Ishihara, T., & Hosoi, K. (2015). Fabrication of SmBa0.5Sr0.5Co2O5+δ cathode material and its application for Sr- and Mg-doped LaGaO3 electrolyte-supported solid oxide fuel cell. In S. C. Singhal, & K. Eguchi (Eds.), Solid Oxide Fuel Cells 14, SOFC 2015 (1 ed., pp. 895-901). (ECS Transactions; Vol. 68, No. 1). Electrochemical Society Inc.. https://doi.org/10.1149/06801.0895ecst

Fabrication of SmBa0.5Sr0.5Co2O5+δ cathode material and its application for Sr- and Mg-doped LaGaO3 electrolyte-supported solid oxide fuel cell. / Lin, Tai Nan; Lee, Ruey Yi; Kuo, Jen Yuan; Ishihara, Tatsumi; Hosoi, Kohei.

Solid Oxide Fuel Cells 14, SOFC 2015. ed. / S. C. Singhal; K. Eguchi. 1. ed. Electrochemical Society Inc., 2015. p. 895-901 (ECS Transactions; Vol. 68, No. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lin, TN, Lee, RY, Kuo, JY, Ishihara, T & Hosoi, K 2015, Fabrication of SmBa0.5Sr0.5Co2O5+δ cathode material and its application for Sr- and Mg-doped LaGaO3 electrolyte-supported solid oxide fuel cell. in SC Singhal & K Eguchi (eds), Solid Oxide Fuel Cells 14, SOFC 2015. 1 edn, ECS Transactions, no. 1, vol. 68, Electrochemical Society Inc., pp. 895-901, 14th International Symposium on Solid Oxide Fuel Cells, SOFC 2015; held as part of the Electrochemical Society, ECS Conference on Electrochemical Energy Conversion and Storage, Glasgow, United Kingdom, 7/26/15. https://doi.org/10.1149/06801.0895ecst
Lin TN, Lee RY, Kuo JY, Ishihara T, Hosoi K. Fabrication of SmBa0.5Sr0.5Co2O5+δ cathode material and its application for Sr- and Mg-doped LaGaO3 electrolyte-supported solid oxide fuel cell. In Singhal SC, Eguchi K, editors, Solid Oxide Fuel Cells 14, SOFC 2015. 1 ed. Electrochemical Society Inc. 2015. p. 895-901. (ECS Transactions; 1). https://doi.org/10.1149/06801.0895ecst
Lin, Tai Nan ; Lee, Ruey Yi ; Kuo, Jen Yuan ; Ishihara, Tatsumi ; Hosoi, Kohei. / Fabrication of SmBa0.5Sr0.5Co2O5+δ cathode material and its application for Sr- and Mg-doped LaGaO3 electrolyte-supported solid oxide fuel cell. Solid Oxide Fuel Cells 14, SOFC 2015. editor / S. C. Singhal ; K. Eguchi. 1. ed. Electrochemical Society Inc., 2015. pp. 895-901 (ECS Transactions; 1).
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