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Characterization of Nd-Bi intermetallic compound formations by co-reduction of Nd(III) and Bi(III) in molten LiCl-KCl eutectic. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.139849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Wang C, Chen J, Li B, Zhao H, Jin B, Liu K, Han Q. Cathodic behavior of scandium(III) on reactive copper electrode in LiF-CaF2 eutectic molten salt∗. J RARE EARTH 2021. [DOI: 10.1016/j.jre.2021.08.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Yang Q, Ge J, Wang Y, Zhang J. Electrochemical Separation of Lanthanum Oxide in Molten FLiNaK Salt. NUCL TECHNOL 2020. [DOI: 10.1080/00295450.2020.1757976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Qiufeng Yang
- Virginia Polytechnic Institute and State University, Nulcear Engineering Program, Department of Mechanical Engineering, Blacksburg, Virginia 24061
| | - Jianbang Ge
- Virginia Polytechnic Institute and State University, Nulcear Engineering Program, Department of Mechanical Engineering, Blacksburg, Virginia 24061
| | - Yafei Wang
- University of Wisconsin–Madison, Department of Engineering Physics, Madison, Wisconsin 53706
| | - Jinsuo Zhang
- Virginia Polytechnic Institute and State University, Nulcear Engineering Program, Department of Mechanical Engineering, Blacksburg, Virginia 24061
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Investigation on the Electrochemical Behaviour and Deposition Mechanism of Neodymium in NdF3–LiF–Nd2O3 Melt on Mo Electrode. METALS 2020. [DOI: 10.3390/met10050576] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Neodymium was electrochemically deposited from NdF3–LiF–Nd2O3 molten salt electrolyte onto the Mo electrode at temperatures close to 1273 K. Cyclic voltammetry and chronoamperometry measurements were the applied electrochemical methods. Metallic neodymium is obtained by potentiostatic deposition. The optical microscopy and XRD were used to analyze the electrolyte, the working electrode surface, and the deposit on the electrode. It was established that Nd(III) ions were reduced to Nd metals in two steps: Nd(III) + e− → Nd(II) at potential ≈−0.55 V vs. W and Nd(II) + 2e− → Nd(0) at ≈−0.83 V vs. W. Both of these processes are reversible and under mass transfer control. Upon deposition under the regime of relatively small deposition overpotential of −0.10 V to −0.20 V, and after the electrolyte was cooled off, Nd metal was observed at the surface of the Mo electrode. CO and CF4 were gases registered as being evolved at the anode. CO and CF4 evolution were observed in quantities below 600 ppm and 10 ppm, respectively.
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