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Co-reduction behaviors of lanthanum and aluminium ions in LiCI-KCI eutectic
Liu YL(刘雅兰); Yuan LY(袁立永); Liu, YL; Yuan, LY; Ye, GA; Kui-Liu; Zhu, L; Zhang, ML; Chai, ZF; Shi, WQ; Liu K(刘奎); Zhu L(朱林); Chai ZF(柴之芳); Shi WQ(石伟群)
AbstractIn this work, the co-reduction of La(III) and Al(III) ions on the Mo electrode was investigated in LiCI-KCI eutectic at 723-806 K. Cyclic voltammetry (CV), square wave voltammetry (SWV), and open-circuit chronopotentiometry ( OCP) techniques were employed to investigate the electrochemical behaviors of the co-reduction. From the CV and SWV results, the formation signals of five kinds of Al-La intermetallic compounds, which could be attributed to A1La(3), AlLa, Al2La, Al3La and Al11La3, were observed. The thermodynamic properties of La-Al intermetallic compounds in the temperature range of 723-806 K were estimated by the OCP results. The changes of Gibbs energies, enthalpies and entropies of formation and the apparent standard potentials of La-Al intermetallic compounds were evaluated. Finally, potentiostatic electrolyses at 723 K and galvanostatic electrolyses at 806 K were carried out to confirm the co-reduction process, and the products obtained were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM) analyses. It was found that the co-reduction products of Al11La3, Al3La and Al2La were obtained. (C) 2014 Elsevier Ltd. All rights reserved.
Keywordlanthanum co-reduction LiCI-KCI eutectic intermetallic compounds
Subject AreaElectrochemistry
Indexed BySCI
WOS IDWOS:000346178800014
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Document Type期刊论文
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GB/T 7714
Liu YL,Yuan LY,Liu, YL,et al. Co-reduction behaviors of lanthanum and aluminium ions in LiCI-KCI eutectic[J]. ELECTROCHIMICA ACTA,2014,147:104-113.
APA 刘雅兰.,袁立永.,Liu, YL.,Yuan, LY.,Ye, GA.,...&石伟群.(2014).Co-reduction behaviors of lanthanum and aluminium ions in LiCI-KCI eutectic.ELECTROCHIMICA ACTA,147,104-113.
MLA 刘雅兰,et al."Co-reduction behaviors of lanthanum and aluminium ions in LiCI-KCI eutectic".ELECTROCHIMICA ACTA 147(2014):104-113.
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