The synthesis and characterization of the Sm0.5Sr0.5Co1-xCuxO3-δ cathode by the glycine-nitrate process

I. Ming Hung, Kuan-Zong Fung, Chung Ta Lin, Min Hsiung Hon

研究成果: Article

4 引文 (Scopus)

摘要

In this study, a new oxygen-deficient cathode material, Sm0.5Sr0.5Co1-xCuxO3-δ (SSCCu) was developed. It is expected to enhance the efficiency of intermediate-temperature solid oxide fuel cells (IT-SOFCs). The structure, conductivity and electrochemical performance of SSCCu were examined as a function of copper content. The structure of Sm0.5Sr0.5Co0.9Cu0.1O3-δ and Sm0.5Sr0.5Co0.8Cu0.2O3-δ samples was a single orthorhombic perovskite phase. Second phase SrCoO2.8, however, formed in the Sm0.5Sr0.5Co0.7Cu0.3O3-δ and Sm0.5Sr0.5Co0.6Cu0.4O3-δ samples. The conductivity of the Sm0.5Sr0.5Co0.7Cu0.3O3-δ cathode was higher than that of other samples. However, the Sm0.5Sr0.5Co0.8Cu0.2O3-δ electrode exhibited the lowest overpotential of 25 mV at 400 mA cm-2 and the lowest area special resistance of 0.2 Ω cm2 at 700 °C.

原文English
頁(從 - 到)116-121
頁數6
期刊Journal of Power Sources
193
發行號1
DOIs
出版狀態Published - 2009 八月 1

指紋

glycine
Nitrates
Glycine
nitrates
Amino acids
Cathodes
cathodes
synthesis
Solid oxide fuel cells (SOFC)
Perovskite
Copper
conductivity
solid oxide fuel cells
Oxygen
Electrodes
copper
electrodes
oxygen
Temperature
temperature

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Physical and Theoretical Chemistry

引用此文

Hung, I. Ming ; Fung, Kuan-Zong ; Lin, Chung Ta ; Hon, Min Hsiung. / The synthesis and characterization of the Sm0.5Sr0.5Co1-xCuxO3-δ cathode by the glycine-nitrate process. 於: Journal of Power Sources. 2009 ; 卷 193, 編號 1. 頁 116-121.
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The synthesis and characterization of the Sm0.5Sr0.5Co1-xCuxO3-δ cathode by the glycine-nitrate process. / Hung, I. Ming; Fung, Kuan-Zong; Lin, Chung Ta; Hon, Min Hsiung.

於: Journal of Power Sources, 卷 193, 編號 1, 01.08.2009, p. 116-121.

研究成果: Article

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N2 - In this study, a new oxygen-deficient cathode material, Sm0.5Sr0.5Co1-xCuxO3-δ (SSCCu) was developed. It is expected to enhance the efficiency of intermediate-temperature solid oxide fuel cells (IT-SOFCs). The structure, conductivity and electrochemical performance of SSCCu were examined as a function of copper content. The structure of Sm0.5Sr0.5Co0.9Cu0.1O3-δ and Sm0.5Sr0.5Co0.8Cu0.2O3-δ samples was a single orthorhombic perovskite phase. Second phase SrCoO2.8, however, formed in the Sm0.5Sr0.5Co0.7Cu0.3O3-δ and Sm0.5Sr0.5Co0.6Cu0.4O3-δ samples. The conductivity of the Sm0.5Sr0.5Co0.7Cu0.3O3-δ cathode was higher than that of other samples. However, the Sm0.5Sr0.5Co0.8Cu0.2O3-δ electrode exhibited the lowest overpotential of 25 mV at 400 mA cm-2 and the lowest area special resistance of 0.2 Ω cm2 at 700 °C.

AB - In this study, a new oxygen-deficient cathode material, Sm0.5Sr0.5Co1-xCuxO3-δ (SSCCu) was developed. It is expected to enhance the efficiency of intermediate-temperature solid oxide fuel cells (IT-SOFCs). The structure, conductivity and electrochemical performance of SSCCu were examined as a function of copper content. The structure of Sm0.5Sr0.5Co0.9Cu0.1O3-δ and Sm0.5Sr0.5Co0.8Cu0.2O3-δ samples was a single orthorhombic perovskite phase. Second phase SrCoO2.8, however, formed in the Sm0.5Sr0.5Co0.7Cu0.3O3-δ and Sm0.5Sr0.5Co0.6Cu0.4O3-δ samples. The conductivity of the Sm0.5Sr0.5Co0.7Cu0.3O3-δ cathode was higher than that of other samples. However, the Sm0.5Sr0.5Co0.8Cu0.2O3-δ electrode exhibited the lowest overpotential of 25 mV at 400 mA cm-2 and the lowest area special resistance of 0.2 Ω cm2 at 700 °C.

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