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J. Korean Ceram. Soc. > Volume 32(9); 1995 > Article
Journal of the Korean Ceramic Society 1995;32(9): 1040.
EMF 방법에 의한 $Y_2Cu_2O_5$의 생성자유에너지 측정
한전기술연구원 전력연구실 연료전지팀
Measurement of Formation Free Energy of $Y_2Cu_2O_5$ by EMF Method
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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