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Electrochemical Properties of Lutetium and Zirconium co- doped SrCeO3 Composite Electrolyte for Intermediate Temperature for Solid Oxide Fuel Cell

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In this study, SrCe0.6Zr0.3Lu0.1O3- was synthesized by a citric-nitrate auto-combustion (CNA) method. Subsequently, it was compounded with molten chlorides and carbonates to prepare SrCe0.6Zr0.3Lu0.1O3-(K/Li)2CO3-(Na/K)Cl. The structure, morphology and medium temperature… Click to show full abstract

In this study, SrCe0.6Zr0.3Lu0.1O3- was synthesized by a citric-nitrate auto-combustion (CNA) method. Subsequently, it was compounded with molten chlorides and carbonates to prepare SrCe0.6Zr0.3Lu0.1O3-(K/Li)2CO3-(Na/K)Cl. The structure, morphology and medium temperature electrical properties of SCZLu-(K/Li)2CO3-(Na/K)Cl were investigated. X-ray diffraction indicated that the main microstructure was SrCeO3 phase and (K/Li)2CO3 mainly existed in amorphous form in the composite. The maximum conductivity of SCZLu-(K/Li)2CO3-(Na/K)Cl reached 2.5×10 -2 S·cm at 700 °C.

Keywords: electrochemical properties; zirconium doped; temperature; properties lutetium; lutetium zirconium; doped srceo3

Journal Title: International Journal of Electrochemical Science
Year Published: 2020

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