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Electrochemical Properties of Lanthanum on the Liquid Gallium Electrode in LiCl-KCl Eutectic
Pang JW(庞敬雯); Liu K(刘奎); Liu YL(刘雅兰); Luo LX(罗利霞); Yuan LY(袁立永); Chai ZF(柴之芳); Shi WQ(石伟群); Pang, JW; Liu, K; Liu, YL; Nie, CM; Luo, LX; Yuan, LY; Chai, ZF; Shi, WQ
2016
Source PublicationJOURNAL OF THE ELECTROCHEMICAL SOCIETY
ISSN0013-4651
EISSN1945-7111
Volume163Issue:14Pages:D750-D756
Corresponding Author石伟群
SubtypeArticle
AbstractThis work presents an electrochemical study of La(III) in the LiCl-KCl-LaCl3 melt on a liquid gallium electrode. The reduction of the La(III) on a liquid gallium starts at -1.13 V (vs. Ag/AgCl) and is a one step process with three electrons transferred. The activities, activity coefficients and solubilities of La in La-Ga alloys were calculated by open circuit potential technique at the temperature range of 673 to 823 K. Moreover, galvanodynamic methods was also applied on a W electrode to evaluate the apparent standard potential of La(III)/La couple, the Gibbs free energy for the formation of LaCl3 and the activity coefficient of La(III) in the LiCl-KCl-LaCl3 melt. The co-reductive cyclic voltammograms of La(III) and Ga(III) present several redox couples which correspond to the formation and dissolution of different La-Ga intermetallic compounds. Finally, potentiostatic electrolysis was employed to deposit La on a liquid Ga electrode and the intermetallic compound LaGa6 was identified by Scanning Electron Microscopy coupled with Energy Dispersive Spectroscopy (SEM-EDS) and X-ray diffraction (XRD) characterizations. (C) 2016 The Electrochemical Society. All rights reserved.
DOI10.1149/2.0611614jes
WOS KeywordMOLTEN CHLORIDE SALT ; ZR-ALLOY FUEL ; THERMOCHEMICAL PROPERTIES ; ACTIVITY-COEFFICIENTS ; REDUCTIVE EXTRACTION ; ALUMINUM CATHODES ; METAL EXTRACTION ; ACTINIDES ; SYSTEM ; SEPARATION
Indexed BySCI
Language英语
WOS IDWOS:000393852200075
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Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/261083
Collection院士
多学科研究中心
Affiliation中国科学院高能物理研究所
Recommended Citation
GB/T 7714
Pang JW,Liu K,Liu YL,et al. Electrochemical Properties of Lanthanum on the Liquid Gallium Electrode in LiCl-KCl Eutectic[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2016,163(14):D750-D756.
APA 庞敬雯.,刘奎.,刘雅兰.,罗利霞.,袁立永.,...&Shi, WQ.(2016).Electrochemical Properties of Lanthanum on the Liquid Gallium Electrode in LiCl-KCl Eutectic.JOURNAL OF THE ELECTROCHEMICAL SOCIETY,163(14),D750-D756.
MLA 庞敬雯,et al."Electrochemical Properties of Lanthanum on the Liquid Gallium Electrode in LiCl-KCl Eutectic".JOURNAL OF THE ELECTROCHEMICAL SOCIETY 163.14(2016):D750-D756.
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