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Electrochemical synthesis of Co–Pr intermetallic compounds by the co-reduction of Co(II) and Pr(III) ions in a molten LiCl–KCl eutectic. / Li, Wantong; Zhang, Henan; Yu, Jing et al.
In: Intermetallics, Vol. 162, 108022, 01.11.2023.

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Li W, Zhang H, Yu J, Jiang K, Novoselova A, Smolenski V et al. Electrochemical synthesis of Co–Pr intermetallic compounds by the co-reduction of Co(II) and Pr(III) ions in a molten LiCl–KCl eutectic. Intermetallics. 2023 Nov 1;162:108022. doi: 10.1016/j.intermet.2023.108022

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@article{3c33210992f34362b5c6f09ecf70972f,
title = "Electrochemical synthesis of Co–Pr intermetallic compounds by the co-reduction of Co(II) and Pr(III) ions in a molten LiCl–KCl eutectic",
abstract = "For effective recovery of the fission element Pr from spent nuclear fuel (SNF) by using molten salt electrolysis technology, the electrochemical behavior of Pr(III) on inert Mo electrode in the molten LiCl–KCl system was investigated by cyclic voltammetry (CV) and square wave voltammetry (SWV) techniques, indicating that the reduction of Pr(III) on the Mo electrode is a one-step reaction process with three electrons. Subsequently, electrochemical methods were used to reveal and calculate the kinetic and thermodynamic parameters of the Pr(III) ion reduction process. The co-reduction reaction of Pr(III) and Co(II) ions was explored, and five different CoxPry intermetallic compounds were detected. Meanwhile, only one Co2Pr intermetallic compound was obtained by galvanostatic and potentiostatic electrolysis with the best electrochemical parameters, and the thermodynamic properties of the Co2Pr intermetallic compound were calculated at different temperatures. The co-reduction product was verified using X-ray diffraction (XRD), and the composition was determined by scanning electron microscopy (SEM) with energy spectrum analysis (EDS) and X-ray photoelectron spectroscopy (XPS). In addition, the produced Co2Pr intermetallic compound has magnetic properties with a saturation magnetization of 10.3 emu/g.",
author = "Wantong Li and Henan Zhang and Jing Yu and Kewei Jiang and Alena Novoselova and Valeri Smolenski and Qi Liu and Jiahui Zhu and Milin Zhang and Jun Wang",
note = "This work was supported by Fundamental Research Funds of the Central University , Fund of NSFC (National Natural Science Foundation of China , Project No.: 22206175 ).",
year = "2023",
month = nov,
day = "1",
doi = "10.1016/j.intermet.2023.108022",
language = "English",
volume = "162",
journal = "Intermetallics",
issn = "0966-9795",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Electrochemical synthesis of Co–Pr intermetallic compounds by the co-reduction of Co(II) and Pr(III) ions in a molten LiCl–KCl eutectic

AU - Li, Wantong

AU - Zhang, Henan

AU - Yu, Jing

AU - Jiang, Kewei

AU - Novoselova, Alena

AU - Smolenski, Valeri

AU - Liu, Qi

AU - Zhu, Jiahui

AU - Zhang, Milin

AU - Wang, Jun

N1 - This work was supported by Fundamental Research Funds of the Central University , Fund of NSFC (National Natural Science Foundation of China , Project No.: 22206175 ).

PY - 2023/11/1

Y1 - 2023/11/1

N2 - For effective recovery of the fission element Pr from spent nuclear fuel (SNF) by using molten salt electrolysis technology, the electrochemical behavior of Pr(III) on inert Mo electrode in the molten LiCl–KCl system was investigated by cyclic voltammetry (CV) and square wave voltammetry (SWV) techniques, indicating that the reduction of Pr(III) on the Mo electrode is a one-step reaction process with three electrons. Subsequently, electrochemical methods were used to reveal and calculate the kinetic and thermodynamic parameters of the Pr(III) ion reduction process. The co-reduction reaction of Pr(III) and Co(II) ions was explored, and five different CoxPry intermetallic compounds were detected. Meanwhile, only one Co2Pr intermetallic compound was obtained by galvanostatic and potentiostatic electrolysis with the best electrochemical parameters, and the thermodynamic properties of the Co2Pr intermetallic compound were calculated at different temperatures. The co-reduction product was verified using X-ray diffraction (XRD), and the composition was determined by scanning electron microscopy (SEM) with energy spectrum analysis (EDS) and X-ray photoelectron spectroscopy (XPS). In addition, the produced Co2Pr intermetallic compound has magnetic properties with a saturation magnetization of 10.3 emu/g.

AB - For effective recovery of the fission element Pr from spent nuclear fuel (SNF) by using molten salt electrolysis technology, the electrochemical behavior of Pr(III) on inert Mo electrode in the molten LiCl–KCl system was investigated by cyclic voltammetry (CV) and square wave voltammetry (SWV) techniques, indicating that the reduction of Pr(III) on the Mo electrode is a one-step reaction process with three electrons. Subsequently, electrochemical methods were used to reveal and calculate the kinetic and thermodynamic parameters of the Pr(III) ion reduction process. The co-reduction reaction of Pr(III) and Co(II) ions was explored, and five different CoxPry intermetallic compounds were detected. Meanwhile, only one Co2Pr intermetallic compound was obtained by galvanostatic and potentiostatic electrolysis with the best electrochemical parameters, and the thermodynamic properties of the Co2Pr intermetallic compound were calculated at different temperatures. The co-reduction product was verified using X-ray diffraction (XRD), and the composition was determined by scanning electron microscopy (SEM) with energy spectrum analysis (EDS) and X-ray photoelectron spectroscopy (XPS). In addition, the produced Co2Pr intermetallic compound has magnetic properties with a saturation magnetization of 10.3 emu/g.

UR - http://www.scopus.com/inward/record.url?partnerID=8YFLogxK&scp=85166315856

UR - https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=tsmetrics&SrcApp=tsm_test&DestApp=WOS_CPL&DestLinkType=FullRecord&KeyUT=001052412000001

U2 - 10.1016/j.intermet.2023.108022

DO - 10.1016/j.intermet.2023.108022

M3 - Article

VL - 162

JO - Intermetallics

JF - Intermetallics

SN - 0966-9795

M1 - 108022

ER -

ID: 43271844