The entire world’s challenge is to find out the renewable energy sources due to rapid depletion of fossil fuels because of their high consumption. Solid Oxide Fuel Cells (SOFCs) are believed to be the best alternative source which converts chemical energy into electricity without combustion. Nanostructured study is required to develop highly ionic conductive electrolyte for SOFCs. In this work, the calcium doped ceria (Ce0.8Ca0.2O1.9) coated with 20% molar ratio of two alkali carbonates (CDC-M: MCO3, where M = Na and K) electrolyte was prepared by co-precipitation method in this study. Ni based electrode was used to fabricate the cell by dry pressing technique. The crystal structure and surface morphology was characterized by X-Ray Diffractometer (XRD), Scanning Electron Microscopy (SEM) and High Resolution Transmission Electron Microscopy (HRTEM). The particle size was calculated in the range of 10–20nm by Scherrer’s formula and compared with SEM and TEM results. The ionic conductivity was measured by using AC Electrochemical Impedance Spectroscopy (EIS) method. The activation energy was also evaluated. The performance of the cell was measured 0.567W/cm2 at temperature 550°C with hydrogen as a fuel.
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ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology
June 14–16, 2010
Brooklyn, New York, USA
Conference Sponsors:
- Advanced Energy Systems Division
ISBN:
978-0-7918-4405-2
PROCEEDINGS PAPER
Preparation and Characterization of Nanocomposite Calcium Doped Ceria Electrolyte With Alkali Carbonates (NK-CDC) for SOFC Available to Purchase
Ghazanfar Abbas,
Ghazanfar Abbas
Bahauddin Zakariya University, Multan; COMSATS Institute of Information Technology, Islamabad, Pakistan; KTH-Royal Institute of Technology, Stockholm, Sweden
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Rizwan Raza,
Rizwan Raza
COMSATS Institute of Information Technology, Pakistan; KTH-Royal Institute of Technology, Stockholm, Sweden
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Muhammad Ashraf Chaudhry,
Muhammad Ashraf Chaudhry
Bahauddin Zakariya University, Multan, Pakistan
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Bin Zhu
Bin Zhu
KTH-Royal Institute of Technology, Stockholm, Sweden
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Ghazanfar Abbas
Bahauddin Zakariya University, Multan; COMSATS Institute of Information Technology, Islamabad, Pakistan; KTH-Royal Institute of Technology, Stockholm, Sweden
Rizwan Raza
COMSATS Institute of Information Technology, Pakistan; KTH-Royal Institute of Technology, Stockholm, Sweden
Muhammad Ashraf Chaudhry
Bahauddin Zakariya University, Multan, Pakistan
Bin Zhu
KTH-Royal Institute of Technology, Stockholm, Sweden
Paper No:
FuelCell2010-33325, pp. 427-432; 6 pages
Published Online:
December 3, 2010
Citation
Abbas, G, Raza, R, Chaudhry, MA, & Zhu, B. "Preparation and Characterization of Nanocomposite Calcium Doped Ceria Electrolyte With Alkali Carbonates (NK-CDC) for SOFC." Proceedings of the ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology. ASME 2010 8th International Fuel Cell Science, Engineering and Technology Conference: Volume 2. Brooklyn, New York, USA. June 14–16, 2010. pp. 427-432. ASME. https://doi.org/10.1115/FuelCell2010-33325
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