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Title: Trimethyl phosphate based neutral ligand room temperature ionic liquids for electrodeposition of rare earth elements

Abstract

In this communication, a new class of task-specific ionic liquids (ILs) with cationic rare earth elements (REEs) is reported. These novel ILs have a wide electrochemical window of about 6 V, enabling direct electrodeposition of REE metals at room temperature. The ILs were prepared by dissolving bis(trifluoromethane)sulfonimide (NTf2) based rare earth salts (Ln(NTf2)3) (Ln:Lanthanide) in trimethyl phosphate (TMP) neutral ligand. Specifically, four REEs (Nd, Dy, Gd, and Pr) have been investigated in TMP based IL systems. All four metals were successfully deposited at room temperature. In conclusion, this demonstrates the applicability of the IL systems for electrodeposition of a wide range of REEs, which opens a new avenue of research for the quest to supplant high temperature molten salt systems for rare earth deposition.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [2]; ORCiD logo [1]; ORCiD logo [3]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Univ. of Tennessee, Knoxville, TN (United States)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States). Dept. of Physics and Astronomy
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1480617
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Electrochemistry Communications
Additional Journal Information:
Journal Volume: 96; Journal Issue: C; Journal ID: ISSN 1388-2481
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Electrodeposition; Ionic liquids; Rare earth elements; Room temperature; Neutral ligand

Citation Formats

Bagri, Prashant, Luo, Huimin, Popovs, Ilja, Thapaliya, Bishnu Prasad, Dehaudt, Jeremy, and Dai, Sheng. Trimethyl phosphate based neutral ligand room temperature ionic liquids for electrodeposition of rare earth elements. United States: N. p., 2018. Web. doi:10.1016/j.elecom.2018.10.001.
Bagri, Prashant, Luo, Huimin, Popovs, Ilja, Thapaliya, Bishnu Prasad, Dehaudt, Jeremy, & Dai, Sheng. Trimethyl phosphate based neutral ligand room temperature ionic liquids for electrodeposition of rare earth elements. United States. https://doi.org/10.1016/j.elecom.2018.10.001
Bagri, Prashant, Luo, Huimin, Popovs, Ilja, Thapaliya, Bishnu Prasad, Dehaudt, Jeremy, and Dai, Sheng. Thu . "Trimethyl phosphate based neutral ligand room temperature ionic liquids for electrodeposition of rare earth elements". United States. https://doi.org/10.1016/j.elecom.2018.10.001. https://www.osti.gov/servlets/purl/1480617.
@article{osti_1480617,
title = {Trimethyl phosphate based neutral ligand room temperature ionic liquids for electrodeposition of rare earth elements},
author = {Bagri, Prashant and Luo, Huimin and Popovs, Ilja and Thapaliya, Bishnu Prasad and Dehaudt, Jeremy and Dai, Sheng},
abstractNote = {In this communication, a new class of task-specific ionic liquids (ILs) with cationic rare earth elements (REEs) is reported. These novel ILs have a wide electrochemical window of about 6 V, enabling direct electrodeposition of REE metals at room temperature. The ILs were prepared by dissolving bis(trifluoromethane)sulfonimide (NTf2–) based rare earth salts (Ln(NTf2)3) (Ln:Lanthanide) in trimethyl phosphate (TMP) neutral ligand. Specifically, four REEs (Nd, Dy, Gd, and Pr) have been investigated in TMP based IL systems. All four metals were successfully deposited at room temperature. In conclusion, this demonstrates the applicability of the IL systems for electrodeposition of a wide range of REEs, which opens a new avenue of research for the quest to supplant high temperature molten salt systems for rare earth deposition.},
doi = {10.1016/j.elecom.2018.10.001},
journal = {Electrochemistry Communications},
number = C,
volume = 96,
place = {United States},
year = {Thu Oct 04 00:00:00 EDT 2018},
month = {Thu Oct 04 00:00:00 EDT 2018}
}

Journal Article:
Free Publicly Available Full Text
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Cited by: 18 works
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Figures / Tables:

Figure 1 Figure 1: Cyclic voltammograms for (a) 1.94 mol% Nd(NTf2)3, (b) 1.78 mol% Dy(NTf2)3, (c) 2.52 mol% Gd(NTf2)3, (d) 1.99 mol% Pr(NTf2)3 in TMP. CVs run for a series of scan rates from 25 mV s−1 to 200 mV s−1. Experimental conditions: T=298 K, WE=Pt, CE=Pt, RE=Pt.

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Works referenced in this record:

Recent developments in rare-earth doped materials for optoelectronics
journal, January 2002


Rare earth permanent magnets Sm2(Co, Fe, Cu, Zr)17 for high temperature applications
journal, June 2008


Recovery of neodymium from a mixture of magnet scrap and other scrap
journal, February 2006


Bridging complexes of rare earth and cobalt cluster as catalyst precursors for Fischer-Tropsch synthesis
journal, April 2011


Potentiometric Measurement of Activity of Rare Earth Chlorides (La, Gd, Ce, Nd) in LiCl-KCl Eutectic Salt
journal, January 2018


Electrochemical behavior of europium (III) in N-butyl-N-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide
journal, August 2009


Electrochemical Behavior of Samarium, Europium, and Ytterbium in Hydrophobic Room-Temperature Molten Salt Systems
journal, January 2006

  • Yamagata, Masaki; Katayama, Yasushi; Miura, Takashi
  • Journal of The Electrochemical Society, Vol. 153, Issue 1
  • DOI: 10.1149/1.2136088

Electrodeposition of metals and alloys from ionic liquids
journal, January 2016


Room-temperature ionic liquid for lanthanum electrodeposition
journal, November 2008

  • Legeai, Sophie; Diliberto, Sébastien; Stein, Nicolas
  • Electrochemistry Communications, Vol. 10, Issue 11, p. 1661-1664
  • DOI: 10.1016/j.elecom.2008.08.005

Voltammetric Studies on the Complexing Behavior of Eu(III) with Acidic Extractants in 1-Butyl-1-methylpyrrolidinium Bis(trifluoromethanesulfonyl)imide
journal, January 2016

  • Rama, R.; Rout, Alok; Venkatesan, K. A.
  • Journal of The Electrochemical Society, Vol. 163, Issue 14
  • DOI: 10.1149/2.0061614jes

Electrodeposition in Ionic Liquids
journal, November 2015


Electrodeposition of rare earth metals Y, Gd, Yb in ionic liquids
journal, December 2009

  • Glukhov, L. M.; Greish, A. A.; Kustov, L. M.
  • Russian Journal of Physical Chemistry A, Vol. 84, Issue 1
  • DOI: 10.1134/S0036024410010206

Electrodeposition of Co, Sm and SmCo from a Deep Eutectic Solvent
journal, July 2011


Electrochemical analysis of diffusion behavior and nucleation mechanism for Dy(II) and Dy(III) in phosphonium-based ionic liquids
journal, December 2013


Electrochemical behavior and electrodeposition of dysprosium in ionic liquids based on phosphonium cations
journal, August 2012

  • Kurachi, Akifumi; Matsumiya, Masahiko; Tsunashima, Katsuhiko
  • Journal of Applied Electrochemistry, Vol. 42, Issue 11
  • DOI: 10.1007/s10800-012-0463-8

Electrochemical analyses of diffusion behaviors and nucleation mechanisms for neodymium complexes in [DEME][TFSA] ionic liquid
journal, November 2014


Attempts to the electrodeposition of Nd from ionic liquids at elevated temperatures
journal, April 2012


A New Strategy for Synthesis of Novel Classes of Room-Temperature Ionic Liquids Based on Complexation Reaction of Cations
journal, January 2006

  • Huang, Jing-Fang; Luo, Huimin; Dai, Sheng
  • Journal of The Electrochemical Society, Vol. 153, Issue 2
  • DOI: 10.1149/1.2150161

Preparation of Inorganic Materials Using Ionic Liquids
journal, January 2010


Reactions in the lanthanide halide-electron donor-triisobutylaluminum three-component system
journal, April 1982

  • Shamaeva, Z. G.; Marina, N. G.; Monakov, Yu. B.
  • Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, Vol. 31, Issue 4
  • DOI: 10.1007/BF00950010

Extraction of rare earth ions by tri-n-butylphosphate/phosphonium ionic liquids and the feasibility of recovery by direct electrodeposition
journal, June 2014


Extraction of uranium (VI) by 1.1M tri-n-butylphosphate/ionic liquid and the feasibility of recovery by direct electrodeposition from organic phase
journal, January 2008


Non-haloaluminate ionic liquids for low-temperature electrodeposition of rare-earth metals—A review
journal, October 2015


A highly concentrated phosphate-based electrolyte for high-safety rechargeable lithium batteries
journal, January 2018

  • Shi, Pengcheng; Zheng, Hao; Liang, Xin
  • Chemical Communications, Vol. 54, Issue 35
  • DOI: 10.1039/C8CC00994E

Works referencing / citing this record:

Communication—Direct Room-Temperature Electrodeposition of La from LaCl 3 in an Organic Solvent Supported by LiNO 3
journal, January 2019

  • Zhang, Baoguo; Yao, Yu; Shi, Zhongning
  • Journal of The Electrochemical Society, Vol. 166, Issue 6
  • DOI: 10.1149/2.1161906jes

Low-temperature electrochemical codeposition of aluminum-neodymium alloy in a highly stable solvate ionic liquid
journal, May 2019

  • Zhang, Baoguo; Shi, Zhongning; Shen, Lingling
  • Journal of Solid State Electrochemistry, Vol. 23, Issue 6
  • DOI: 10.1007/s10008-019-04293-7

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