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Vol. 24 No. 9 (2012): Vol 24 Issue 9

Chemical Synthesis and Characterization of Ce0.8Y0.18Ca0.02O1.89 as Electrolyte for Solid Oxide Fuel Cells

Changan Tian
Department of Chemistry and Materials Engineering, Hefei University, Hefei 230022, P.R. China
Weitao Bao
Department of Chemistry and Materials Engineering, Hefei University, Hefei 230022, P.R. China
Jihai Cheng
Department of Chemistry and Materials Engineering, Hefei University, Hefei 230022, P.R. China
Qiyi Yin
Department of Chemistry and Materials Engineering, Hefei University, Hefei 230022, P.R. China
Difang Zhao
Department of Chemistry and Materials Engineering, Hefei University, Hefei 230022, P.R. China
Yu Wang
Department of Chemistry and Materials Engineering, Hefei University, Hefei 230022, P.R. China
Fan Wu
Department of Chemistry and Materials Engineering, Hefei University, Hefei 230022, P.R. China

Corresponding Author(s) : Changan Tian

tianchangan@tom.com

Asian Journal of Chemistry, Vol. 24 No. 9 (2012): Vol 24 Issue 9

Abstract

The synthesis of nano-sized Ce0.8Y0.18Ca0.02O1.89 (YCDC) powders by citrate gel route has been investigated. The details of gel's combustion were investigated by TG-DSC and the structure of as-synthesized powders from auto-combustion was characterized by XRD. The results show that single phase YCDC powders with average size of 50 nm can be synthesized by citrate gel route. The as-synthesized powders exhibited high sinter activity, it can be sintered to 95 % of its theoretical density at 1250 ºC for 4 h. The YCDC composition exhibits a total conductivity of 0.02 S/cm at 700 ºC.

Keywords

Ce0.8Y0.18Ca0.02O1.89 Electrolyte Citrate gel route Solid oxide fuel cells
(1)
Tian, C.; Bao, W.; Cheng, J.; Yin, Q.; Zhao, D.; Wang, Y.; Wu, F. Chemical Synthesis and Characterization of Ce0.8Y0.18Ca0.02O1.89 As Electrolyte for Solid Oxide Fuel Cells. ajc 2012, 24, 4028-4030.
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