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Title: Thermodynamics of the O₂/O²⁻ redox couple in molten (LiCl+KCl+Li₂O) systems
Authors: Kado, Yuya
Goto, Takuya
Hagiwara, Rika  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-7234-3980 (unconfirmed)
Author's alias: 加登, 裕也
後藤, 琢也
萩原, 理加
Keywords: LiCl–KCl
Boron-doped diamond electrode
Oxygen evolution
O₂/O²⁻ potential
Activity coefficient
Issue Date: Oct-2010
Publisher: Elsevier BV
Journal title: The Journal of Chemical Thermodynamics
Volume: 42
Issue: 10
Start page: 1230
End page: 1233
Abstract: Activity coefficients of oxide ion were determined by the measurements of the standard formal potential of O₂/O²⁻ with a boron-doped diamond (BDD) electrode in molten (LiCl + KCl): LiCl:KCl = {58.5:41.5 (eutectic), 65:35, 70:30, 75:25} mol% at T = (673 to 803) K. The activity coefficient decreases with the increase of the LiCl content in the melt: (18.7 ± 1.5, 7.7 ± 1.0, 4.1 ± 0.4, and 1.6 ± 0.1), respectively, at T = 773 K in each melt. The result is explained by the attractive force between Li⁺ and O²⁻ which is stronger than that between K⁺ and O²⁻.
Rights: © 2010. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/255614
DOI(Published Version): 10.1016/j.jct.2010.04.023
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