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Citation: REN Dan, SUN Li-Ping, ZHAO Hui, HUO Li-Hua, Christophe Pijolat. Synthesis and Electrochemical Performance of SOFC Anode Material Sm_1-xSr_xCrO₃(0≤x≤0.1)[J]. Chinese Journal of Applied Chemistry, ;2008, 25(11): 1334-1338. shu

Synthesis and Electrochemical Performance of SOFC Anode Material Sm_1-xSr_xCrO₃(0≤x≤0.1)

1.
a Laboratory of Functional Materials, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080;
2.
b Centre SPIN, Ecole Nationale Superieure des Mines de St-Etienne, 42023 St-Etienne cedex, France

Corresponding author: ZHAO Hui,
Received Date: 25 October 2007
Available Online: 28 January 2008
Fund Project: 教育部重点资助项目(206044,205050) (206044,205050)黑龙江省教育厅科学技术研究面上资助项目(11531285) (11531285)

Single-phase perovskite oxide Sm_1-xSr_xCrO₃(0 ≤ x ≤ 0.1) was synthesized by Glycine-Nitrate Process(GNP) and characterized by X-ray diffraction(XRD),SEM,DC conductivity and EIS measurement,respectively.Results indicate that Sm_1-xSr_xCrO₃ was p-type semiconductor.The conductivity increased with the increase of Sr doping concentration.Sm_1-xSr_xCrO₃ showed a good chemical stability under both broad oxygen partial pressure and water vapor pressure at high temperatures.Sm_0.9Sr_0.1CrO₃/YSZ(SSCO1/YSZ) composite anodes exhibited good performance for the methane oxidation reaction in CH₄ and O₂ mixed atmospheres.The best electrode performance was achieved for the composite with a YSZ content ω(YSZ) of 23%,which gave the lowest polarization resistance of 3.24 Ω·cm² at 800℃ in a mixed atmosphere of CH₄ and O₂.
- smarium chromium oxide,
- electrical conductivity,
- polarization resistance,
- solid oxide fuel cells
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Synthesis and Electrochemical Performance of SOFC Anode Material Sm1-xSrxCrO3(0≤x≤0.1)

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Synthesis and Electrochemical Performance of SOFC Anode Material Sm_1-xSr_xCrO₃(0≤x≤0.1)