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Preparation and Electrochemical Performances of BixSr1-xCo0.2Fe0.8O3 (x = 0.5, 0.6, 0.7) as Potential Cathode Material for Solid Oxide Fuel Cells
Corresponding Author(s) : Weitao Bao
Asian Journal of Chemistry,
Vol. 25 No. 10 (2013): Vol 25 Issue 10
Abstract
A perovskite oxide BixSr1-xCo0.2Fe0.8O3 (BSCF, x = 0.5, 0.6, 0.7) is investigated as a cathode material for solid oxide fuel cells. The BSCF is prepared using solid state reaction method. The XRD shows the perovskite phase is formed at x = 0.5 and impurity phases are detected with x increasing. The area specific resistance value for the BSCF cathode is as low as 0.07 W cm2 at 750 ºC as x = 0.5. The electrolyte-supported fuel cell generates good performance with the peak power densities of 0.078, 0.057, 0.032 Wcm-2 at 750 ºC as x = 0.5, 0.6, 0.7, respectively.
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- A.B. Stambouli and E. Traversa, Renew. Sustain. Energy Rev., 6, 433 (2002).
- E.I. Tiffée, A. Weber and D. Herbstritt, J. Eur. Ceram. Soc., 21, 1805 (2001).
- Z.W. Wang, M.J. Cheng, Y.L. Dong, M. Zhang and H.M. Zhang, Solid State Ionics, 176, 2555 (2005).
- B.C.H. Steele, Solid State Ionics, 86-88, 1223 (1996).
References
A.B. Stambouli and E. Traversa, Renew. Sustain. Energy Rev., 6, 433 (2002).
E.I. Tiffée, A. Weber and D. Herbstritt, J. Eur. Ceram. Soc., 21, 1805 (2001).
Z.W. Wang, M.J. Cheng, Y.L. Dong, M. Zhang and H.M. Zhang, Solid State Ionics, 176, 2555 (2005).
B.C.H. Steele, Solid State Ionics, 86-88, 1223 (1996).