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Journal of the Korean Ceramic Society 1995;32(9): 1040. |
| EMF 방법에 의한 $Y_2Cu_2O_5$의 생성자유에너지 측정 |
| 김수권 |
| 한전기술연구원 전력연구실 연료전지팀 |
| Measurement of Formation Free Energy of $Y_2Cu_2O_5$ by EMF Method |
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| ABSTRACT |
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The formation free energy of Y2Cu2O5 was measured by the partial ion exchanged (Cu2+, Na+)-$beta$/$beta$"-Al2O3 as solid state electrolyte. The formation cell was built as follows: Pt(O2)/Y2Cu2O5＋Y2O3//(Cu2+, Na+)-$beta$/$beta$"-Al2O3//CuO/(O2)Pt The virtual formation formation formula, and the calculated formation free energy of Y2Cu2O5 as a function of temperature are as follows: 2CuO＋Y2O3=Y2Cu2O5 ΔfG0/kJ.mol-1=13.19-16.25*10-3T/K.5*10-3T/K. |
| Key words:
Superconductor, Formation free energy, Electromotive force |
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