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Citation: CHENG Ji-Hai, BAO Wei-Tao, ZHU De-Chun, WANG Hua-Lin, TIAN Chang-An, YIN Qi-Yi. Preparation and Electrical Property of Novel Electrolyte Material CaZr_0.1Ti_0.9O₃[J]. Chinese Journal of Applied Chemistry, ;2009, 26(11): 1320-1323. shu

Preparation and Electrical Property of Novel Electrolyte Material CaZr_0.1Ti_0.9O₃

1.
a Department of Chemistry and Materials Engineering, Hefei University, Hefei 230022;
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b Key Lab of Powder and Energy Sources Materials, Hefei University, Hefei 230022;
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c School of Chemical Engineering, Hefei University of Technology, Hefei

Corresponding author: CHENG Ji-Hai,
Received Date: 5 November 2008
Available Online: 26 February 2009
Fund Project: 合肥学院科研发展基金资助项目(08KY014ZR) (08KY014ZR)安徽省教育厅重点项目(KJ2007A125ZC) (KJ2007A125ZC)合肥学院人才引进项目(RC018) (RC018)

A novel electrolyte CaZr_0.1Ti_0.9O₃ for solid oxide fuel cell(SOFC) was synthesized by a newly sol-combustion method.The structure and conduction properties of the sample were systematically investigated via XRD and electrochemical methods.The results show that CaZr_0.1Ti_0.9O₃ powders were successfully prepared by the sol-combustion technique.The powder shows a high sinterability,and a relative density of 95% at a sintering temperature of 1 400 ℃.Electrochemistry measurements show that the CaZr_0.1Ti_0.9O₃ ceramics has a relatively high oxide ionic conductivity(σ_{800 ℃}=2.24×10^-3 S/cm),low electrical activation energy(Ea=0.89 eV) in the low-temperature range.
- CaZr_0.1Ti_0.9O₃,
- sol-combustion method,
- perovskite structure,
- electrical conductivity
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Preparation and Electrical Property of Novel Electrolyte Material CaZr0.1Ti0.9O3

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Preparation and Electrical Property of Novel Electrolyte Material CaZr_0.1Ti_0.9O₃