Methods of recovering an elemental rare earth metal, and methods of forming a rare earth metal

Case, Mary E.; Fox, Robert V.; Baek, Donna L.

Title: Methods of recovering an elemental rare earth metal, and methods of forming a rare earth metal

Patent · Tue Oct 17 00:00:00 EDT 2023

OSTI ID:2293726

Case, Mary E.; Fox, Robert V.; Baek, Donna L.

A method of recovering an elemental rare earth metal comprises placing a rare earth-containing material comprising a rare earth metal in a reaction solution comprising a reducing agent and a non-aqueous solvent comprising an ionic liquid or a eutectic mixture, reducing the rare earth metal with the reducing agent to form a metallic rare earth metal and cations of the reducing agent, transferring the cations of the reducing agent from the reaction solution to an electrochemical cell through an ion exchange membrane, and reducing the cations of the reducing agent in the electrochemical cell. Related methods of forming an elemental rare earth metal, and related systems are disclosed.

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Research Organization:: Idaho National Laboratory (INL), Idaho Falls, ID (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC07-05ID14517

Assignee:: Battelle Energy Alliance, LLC (Idaho Falls, ID)

Patent Number(s):: 11,788,171

Application Number:: 17/249,283

OSTI ID:: 2293726

Resource Relation:: Patent File Date: 02/25/2021

Country of Publication:: United States

Language:: English

References (16)

The Preparation of Rare Earth Metals Spedding, F. H.; Daane, A. H. Journal of the American Chemical Society, Vol. 74, Issue 11 https://doi.org/10.1021/ja01131a024	journal	June 1952
Electrodeposition of rare earth metals Y, Gd, Yb in ionic liquids Glukhov, L. M.; Greish, A. A.; Kustov, L. M. Russian Journal of Physical Chemistry A, Vol. 84, Issue 1 https://doi.org/10.1134/S0036024410010206	journal	December 2009
Oxide reduction processes in the preparation of rare-earth metals Gupta, C. K.; Krishnamurthy, N. Mining, Metallurgy & Exploration, Vol. 30, Issue 1 https://doi.org/10.1007/BF03402339	journal	February 2013
Process for the preparation of pure alloys based on rare earths and transition metals by metallothermy Jourdan, Alex https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4767455 US Patent Document 4,767,455	patent	August 1988
Neodymium Production Processes Sharma, Ram A. JOM, Vol. 39, Issue 2 https://doi.org/10.1007/BF03259468	journal	February 1987
Production of Pure Rare Earth Metals Spedding, Frank H.; Wilhelm, Harley A.; Keller, Wayne H. Industrial & Engineering Chemistry, Vol. 44, Issue 3 https://doi.org/10.1021/ie50507a034	journal	March 1952
Method to Produce Metal Matrix Nanocomposite Monteiro, Othon; Mazyar, Oleg; Khabashesku, Valery https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20140374267 US Patent Application 13/922433; 20140374267	patent-application	December 2014
Ionic Liquids Based on Oxalic Acid Mono Esters Massonne, Klemens; Sundermeyer, Joerg; Braam, Axel https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20140099249 US Patent Application 14/049371; 20140099249	patent-application	April 2014
Electroplating Dysprosium from IL-Based Solutions: A Promising Electrochemical Step to Produce Stronger High Performance Nd(Dy)-Fe-B Sintered Magnets Suppan, Gottfried; Ruehrig, Manfred; Kanitz, Andreas Journal of The Electrochemical Society, Vol. 162, Issue 8 https://doi.org/10.1149/2.0911508jes	journal	January 2015
Electrodeposition of Rare Earth Metal in Ionic Liquids Matsumiya, Masahiko Green Chemistry and Sustainable Technology https://doi.org/10.1007/978-3-662-47510-2_6	book	January 2016
Alkali Metal Reductions of Organic Molecules: Why Mediated Electron Transfer from Lithium Is Faster than Direct Reduction Rees, Neil V.; Baron, Ronan; Kershaw, Neil M. Journal of the American Chemical Society, Vol. 130, Issue 37 https://doi.org/10.1021/ja805086w	journal	August 2008
Production of rare earth metals in quantity allows testing of physical properties Spedding, F. H.; Daane, A. H. JOM, Vol. 6, Issue 5 https://doi.org/10.1007/BF03398865	journal	May 1954
Materials useful as electrolytic solutes Michot, Christophe; Armand, Michel; Gauthier, Michel https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6365301 US Patent Document 6,365,301	patent	April 2002
Commercial production of rare earth metals by fused salt electrolysis Hirschhorn, I. S. JOM, Vol. 20, Issue 3 https://doi.org/10.1007/BF03378677	journal	March 1968
Metallothermic reduction of rare earth chlorides Sharma, Ram A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4680055 US Patent Document 4,680,055	patent	July 1987
Li-ion batteries: basics, progress, and challenges Deng, Da Energy Science & Engineering, Vol. 3, Issue 5 https://doi.org/10.1002/ese3.95	journal	September 2015

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