Oxygen Electrode Reaction in a LiCl–KCl Eutectic Melt | Zendy

Yuya Kado | Zendy; Takuya Goto | Zendy; Rika Hagiwara | Zendy

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Oxygen Electrode Reaction in a LiCl–KCl Eutectic Melt

Author(s) -

Yuya Kado,

Takuya Goto,

Rika Hagiwara

Publication year - 2009

Publication title -

journal of the electrochemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.258

H-Index - 271

eISSN - 1945-7111

pISSN - 0013-4651

DOI - 10.1149/1.3212844

Subject(s) - eutectic system , electrode , oxygen , boron , standard electrode potential , diamond , enthalpy , analytical chemistry (journal) , materials science , chemistry , inorganic chemistry , thermodynamics , electrochemistry , metallurgy , alloy , physics , organic chemistry , chromatography

Oxygen electrode reaction was investigated on a boron-doped diamond electrode in a LiCl―KCl eutectic melt. The standard formal potential of O 2 /O 2― decreases with the elevation of temperature. The potential at 773 K is 2.424 ± 0.003 V vs Li + /Li. The standard formal free energy change increases with the temperature elevation, calculated to be ―456.4 ± 0.5 kJ mol ―1 at 773 K. The standard formal entropy and enthalpy changes are determined to be ―151 ± 3 J K ―1 mol ―1 and ―573.5 ± 0.1 kJ mol ―1 , respectively, at 773 K.

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