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Electrochemical deposition of neodymium in LiF-CaF2 from Nd2O3 assisted by AlF3
Chen, Z; She, CF; Zheng, HY; Huang, W; Zhu, TJ; Jiang, F; Gong, Y; Li, QN
2018
Source PublicationELECTROCHIMICA ACTA
ISSN0013-4686
Volume261Pages:289-295
Subtype期刊论文
AbstractThis paper investigated the co-reduction process of Al-Nd alloys and the electrochemical extraction of neodymium from neodymium oxide in LiF-CaF2 melt. Nd(III) at a tungsten electrode was reduced to Nd(0) through a one-step process involving the exchange of three electrons: Nd(III) + 3e(-) = Nd(0). The fluorination of Nd2O3 by AlF3 produced Nd(III) ions in the LiF-CaF2 molten salts. The co-reduction behavior of Nd(III) and Al(III) ions was studied on a W electrode in the LiF-CaF2-AlF3-Nd2O3 system. Four types of intermetallic Al-Nd compound were detected through cyclic voltammetry and open circuit chronopotentiometry. The Nd3Al and NdAl phases were identified through X-ray diffraction, and the NdAl3 and Nd3Al11 phases were characterized by a scanning electron microscope equipped with an energy dispersive spectrometer. (c) 2017 Elsevier Ltd. All rights reserved.
KeywordEutectic Licl-kcl Co-reduction Molten Fluorides Extraction Aluminum Alloys Melts Salt Electrodes Gadolinium
DOI10.1016/j.electacta.2017.12.147
Indexed BySCI
Language英语
WOS IDWOS:000424635600034
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28994
Collection中科院上海应用物理研究所2011-2019年
Affiliation1.Chen, Z
2.She, CF
3.Zheng, HY
4.Huang, W
5.Zhu, TJ
6.Jiang, F
7.Gong, Y
8.Li, QN
Recommended Citation
GB/T 7714
Chen, Z,She, CF,Zheng, HY,et al. Electrochemical deposition of neodymium in LiF-CaF2 from Nd2O3 assisted by AlF3[J]. ELECTROCHIMICA ACTA,2018,261:289-295.
APA Chen, Z.,She, CF.,Zheng, HY.,Huang, W.,Zhu, TJ.,...&Li, QN.(2018).Electrochemical deposition of neodymium in LiF-CaF2 from Nd2O3 assisted by AlF3.ELECTROCHIMICA ACTA,261,289-295.
MLA Chen, Z,et al."Electrochemical deposition of neodymium in LiF-CaF2 from Nd2O3 assisted by AlF3".ELECTROCHIMICA ACTA 261(2018):289-295.
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