Journals
Removing Oxygen-Derived Impurities from Molten Chloride Fuel Salts with Aluminium Chloride: Effectiveness and Limitationst
Jihun Kim, James Daw, Wonseok Yang, Francesca Brooks-Ward, Molli Forber, Sujeong Lee, Saehyun Choi, Taehoon Park, Richard Foster, Clint A. Sharrad, Sungyeol Choi*
doi.org/10.1016/j.net.2026.104629
Nuclear Engineering and Technology
Volume 58, Issue 12, Page 104629
2026
The Effect of Water Content on Metal Oxide Dissolution by Deep Eutectic Solvent
Shuang Liu, Stuart Aberdeen, Richard Foster, Woohyun Lim, Kwangseo Kim, Sungyeol Choi*
doi.org/10.1016/j.ceja.2026.101340
Chemical Engineering Journal Advances
Volume 27, Page 101340
2026
Ex-Situ and In-Situ Methods for Quantifying Moisture Concentration in MgCl₂-Containing Molten Salts and Their Impact on Materials Corrosion
Jihun Kim, Wonseok Yang , Sujeong Lee, Heejin Park, Hyeonwoo Kim, Taehoon, Saehyun Choi, Junwon Kim, Joonsoo Ock, Byeongmin Kong, Sangtae Kim, Clint A. Sharrad, Sungyeol Choi*
doi.org/10.1016/j.jnucmat.2026.156872
Journal of Nuclear Materials
Volume 632, Page 156872
2026
Deep Eutectic Solvent Reuse Limitations Driven by Proton Depletion and Hydration-Induced Chemical Drift
Stuart Aberdeen, Shuang Liu, Kwangseo Kim, Woohyun Lim, Richard I. Foster, Sungyeol Choi*
doi.org/10.1039/D6RE00123H
Reaction Chemistry & Engineering
Volume N/A, Issue N/A, Pages N/A
2026
Machine Learning-Enhanced Electrochemical Sensors for High-Temperature Molten Salts Enabled by Rich Experimental Data Production
Wonseok Yang, Yonadan Choi, Saehyun Choi, Richard Foster, Jihun Kim, Sungyeol Choi*
doi.org/10.1149/1945-7111/ae6ff5
Journal of The Electrochemical Society
Volume 173, Issue 11, Pages 117501
2026
Solvometallurgical Recycling of Lithium-Ion Battery Cathode Materials Using Deep Eutectic Solvents and Ionic Liquids
James Amphlett, Richard Foster, Wonseok Yang, Stuart Aberdeen, Sungyeol Choi*
doi.org/10.1007/s11814-026-00749-5
Korean Journal of Chemical Engineering
Volume N/A, Issue N/A, Pages N/A
2026
Paint Casting as an Alternative for Recycling Critical Metals from Metal Oxides and Spent Lithium-ion Batteries in Deep Eutectic Solvent
Woohyun Lim, Richard I. Foster, Stuart Aberdeen, Kwangseo Kim, Shuang Liu*, Sungyeol Choi*
doi.org/10.1016/j.cej.2025.170626
Chemical Engineering Journal
Volume 525, Issue N/A, Pages 170626
2025
Acoustic-filtered Laser-induced Breakdown Spectroscopy for Monitoring Fission Products in Molten LiCl-KCl Eutectic during Salt Fluctuations
Yunu Lee, Richard I. Foster, Hyeongbin Kim, Sungyeol Choi*
doi.org/10.1016/j.talanta.2025.129013
Talanta
Volume 298, Issue N/A, Pages 129013
2026
Ultra-fast and Eco-friendly Recycling Process for Spent LIBs Using Deep Eutectic Solvents: Mechanism and Life-Cycle Insight
Shuang Liu, Shuangjun Li*, Xiangkun Elvis Cao*, Sungyeol Choi*
doi.org/10.1039/D5GC03452C
Green Chemistry
Volume 27, Issue 45, Pages 14648-14657
2025
Self-Adaptive MgAl₂O₄ Spinel Layer for Enhanced Corrosion Resistance of Alumina-Forming Alloy in Molten Chloride Salts
Jun Heo, Jihun Jung, Taehoon Park, Jichan Kim, Sungwoo Kim, Sungyeol Choi, Dongchan Jang, Sung Oh Cho*
doi.org/10.1016/j.corsci.2025.113262
Corrosion Science
Volume 256, Issue N/A, Pages 113262
2025
Nuclide Inventory Analysis and Fission Product Monitoring for Nuclear Safeguards in Molten Chloride Fast Reactors
Saehyun Choi, Jeongwon Seo, Wonseok Yang, Jihun Kim, Taehoon Park, Sujeong Lee, Sungyeol Choi*
doi.org/10.1016/j.net.2025.103793
Nuclear Engineering and Technology
Volume 57, Issue 11, Pages 103793
2025
Thermal Stability and Eutectic Point of Chloride-Based High-Temperature Molten Salt Energy Systems
Sunghyun Yoo, Jihun Kim, Sungyeol Choi, Jeong Ik Lee*
doi.org/10.3390/en18143616
Energies
Volume 18, Issue 14, Pages 3616
2025
Nickel and Cobalt Separation via Speciation using Deep Eutectic Solvent-based Ion Exchange
Stuart Aberdeen, Richard I. Foster, Sungyeol Choi*
doi.org/10.1016/j.seppur.2025.133833
Separation and Purification Technology
Volume 375, Issue N/A, Pages 133833
2025
Corrosion Behaviors of Pre-oxidized Al-containing Fe Alloys in Molten NaCl-KCl Salts
Taehoon Park, Wonseok Lee, Sumin Kim, Hyun Joon Eom, Wonseok Yang, Richard I. Foster, Chaewon Kim, Sungyeol Choi*, Changheui Jang*
doi.org/10.1016/j.jmrt.2025.04.207
Journal of Materials Research and Technology
Volume 36, Issue N/A, Pages 5237-5246
2025
Degradation of p-Toluene Sulfonic Acid–Choline Chloride Deep Eutectic Solvent
Wonseok Yang, James T. M. Amphlett, Nayoung Kim, Richard I. Foster*, Sungyeol Choi*
doi.org/10.1002/slct.202405130
ChemistrySelect
Volume 10, Issue 16, Pages e202405130
2025
A Rapid Microplasma Electrochemical Method for Spent Li-ion Battery Cathode Recycling under Ambient Condition
Shuang Liu, Junhan Luo, Qi Qing, Zhe Wang, Zhipeng Wang, Richard Foster, Sungyeol Choi*, Yuexiang Lu*
doi.org/10.31635/ccschem.025.202505445
CCS Chemistry
Volume 7, Issue 7, Pages 2024-2033
2025
The Effect of Water Content on Cathode Materials Leaching using Deep Eutectic Solvent
Shuang Liu, Wooseok Chung, Richard I. Foster, Sungyeol Choi*
doi.org/10.1016/j.molliq.2025.127483
Journal of Molecular Liquids
Volume 426, Issue N/A, Pages 127483
2025
Quantitative Analysis of Trace Metal Ions in Aqueous Solutions Using Electrodeposition-Assisted Laser-Induced Breakdown Spectroscopy (EA-LIBS)
Hyeongbin Kim, Yunu Lee, Wonseok Yang, Richard I. Foster, Sungyeol Choi*
doi.org/10.1007/s11814-024-00291-2
Korean Journal of Chemical Engineering
Volume 42, Issue 6, Pages 1197-1205
2025
Trace Xenon Detection in Ambient Helium by Double-pulse Laser-induced Breakdown Spectroscopy
L. Garrett, M. Burger, Y. Lee, H. Kim, P. Sabharwall, S. Choi, I. Jovanovic*
doi.org/10.1039/D4JA00358F
Journal of Analytical Atomic Spectrometry
Volume 40, Issue 1, Pages 122-129
2025
Corrosion Behaviour of Al-containing Alloys in Cl-based Molten Salt Environment
Bright O. Okonkwo, Chaewon Kim, Taejeong An, Changheui Jang*, Dokyu Kang, Wonseok Yang, Sungyeol Choi
doi.org/10.1016/j.jnucmat.2024.155207
Journal of Nuclear Materials
Volume 599, Issue N/A, Pages 155207
2024
Rotating Disk Electrode Study of Sm(III)/Sm(II) in LiCl-KCl Eutectic Molten Salt
Wonseok Yang, Suhee Choi, Tae-hong Park, Sungyeol Choi*, Sang-Eun Bae*
doi.org/10.1149/1945-7111/ad77f5
Journal of The Electrochemical Society
Volume 171, Issue 9, Pages 096508
2024
Electrochemical Monitoring for Molten Salt Pyroprocessing of Spent Nuclear Fuel: A Review
Wonseok Yang, Richard I. Foster, Jihun Kim, Sungyeol Choi*
doi.org/10.1007/s11814-024-00260-9
Korean Journal of Chemical Engineering
Volume 41, Issue 10, Pages 2781-2797
2024
Data Fusion of Acoustic and Optical Emission from Laser-Induced Plasma for In Situ Measurement of Rare Earth Elements in Molten LiCl-KCl
Yunu Lee, Richard I. Foster, Hyeongbin Kim, Londrea Garrett, Bryan W. Morgan, Miloš Burger, Igor Jovanovic, Sungyeol Choi*
doi.org/10.1021/acs.analchem.4c00897
Analytical Chemistry
Volume 96, Issue 28, Pages 11255-11262
2024
Spectroscopic and Theoretical Analyses of the Reaction of SrO in Molten Chloride and Fluoride Salts
Dokyu Kang, Choah Kwon, Wonseok Yang, Seokjoo Yoon, Yunu Lee, James T.M. Amphlett, Sang-Eun Bae, Sangtae Kim*, Sungyeol Choi*
doi.org/10.1016/j.jnucmat.2024.154962
Journal of Nuclear Materials
Volume 592, Issue N/A, Pages 154962
2024
Imine-linkage Covalent Organic Framework Synthesis in Deep Eutectic Solvent at Ambient Conditions
Shuang Liu, Qi Qing, Richard I. Foster, Zhe Wang, Nakkyu Chae, Dongyoon Shin, Sungyeol Choi*, Yuexiang Liu*
doi.org/10.1016/j.jclepro.2023.139970
Journal of Cleaner Production
Volume 434, Issue N/A, Pages 139970
2024
Microelectrode Voltammetric Analysis of Samarium Ions in LiCl–KCl Eutectic Molten Salt
Wonseok Yang, Na-ri Lee, Chanyoung Jung, Tae-Hong Park*, Sungyeol Choi*, Sang-Eun Bae*
doi.org/10.1016/j.elecom.2023.107470
Electrochemistry Communications
Volume 149, Issue N/A, Pages 107470
2023
Direct Electrochemical Dissolution of Metallic Uranium into Deep Eutectic Solvent
Wonseok Yang, Chanyong Jung, Han Lim Cha, Jun Woo Park, Richard I. Foster, James T.M. Amphlett, Shuang Liu, Sang-Eun Bae, Jong-Il Yun, Sungyeol Choi*
doi.org/10.1016/j.jnucmat.2022.154229
Journal of Nuclear Materials
Volume 575, Issue N/A, Pages 154229
2023
Machine Learning-Assisted Laser-Induced Breakdown Spectroscopy for Monitoring Molten Salt Compositions of Small Modular Reactor Fuel Under Varying Laser Focus Positions
Yunu Lee, Richard I. Foster, Hyeongbin Kim, Sungyeol Choi*
doi.org/10.1016/j.aca.2023.340804
Analytica Chimica Acta
Volume 1241, Issue N/A, Pages 340804
2023
Impact of Glass Irradiation on Laser-Induced Breakdown Spectroscopy Data Analysis
Londrea J. Garrett*, Bryan W. Morgan, Miloš Burger, Yunu Lee, Hyeongbin Kim, Piyush Sabharwall, Sungyeol Choi, Igor Jovanovic
doi.org/10.3390/s23020691
Sensors
Volume 23, Issue 2, Pages 691
2023
In-situ Measurement of Ce Concentration in High-Temperature Molten Salts using Acoustic-assisted Laser-Induced Breakdown Spectroscopy with Gas Protective Layer
Yunu Lee, Seokjoo Yoon, Nayoung Kim, Dokyu Kang, Hyeongbin Kim, Wonseok Yang, Miloš Burger, Igor Jovanovic, Sungyeol Choi*
doi.org/10.1016/j.net.2022.07.014
Nuclear Engineering and Technology
Volume 54, Issue 12, Pages 4431-4440
2022
Spectroscopic Study into Lanthanide Speciation in Deep Eutectic Solvents
James T. M. Amphlett, Yunu Lee, Wonseok Yang, Dokyu Kang, Nark-Eon Sung, Jaeyeong Park, Euo Chang Jung, Sungyeol Choi*
doi.org/10.1021/acsomega.1c05386
ACS Omega
Volume 7, Issue 1, Pages 921-932
2022
The Curious Temperature Dependence of Fluoride Molten Salt Thermal Conductivity
Sean G. Robertson*, Ralph Wiser, Wonseok Yang, Dokyu Kang, Sungyeol Choi, Emilio Baglietto, Michael P. Short
doi.org/10.1063/5.0088059
Journal of Applied Physics
Volume 131, Issue 22, Pages 225102
2022
Investigation of Dissolution Behavior of SrO in Molten LiCl-KCl Salts for Heat Reduction of Used Nuclear Fuel
Dokyu Kang, Nakkue Chae, Wonseok Yang, Seokjoo Yoon, Richard I. Foster, James T. M. Amphlett, Sang-Eun Bae, Eun-Young Choi*, Sungyeol Choi*
doi.org/10.1016/j.jnucmat.2022.153615
Journal of Nuclear Materials
Volume 562, Issue N/A, Pages 153615
2022
Zirconium Metal Recovery from Irradiated Radioactive Zirconium Alloy via Chloride-based Electrorefining and Thermal Decomposition of ZrCl
Jungho Hur*, Younghwan Jeon, Gwan Yoon Jeong, Sungjune Sohn, Sungyeol Choi, Jaeyeong Park*
doi.org/10.1002/er.7555
International Journal of Energy Research
Volume 46, Issue 5, Pages 6164-6176
2022
Surface Decontamination of Protective Duplex Oxide Layers on Stainless Steel Waste using Deep Eutectic Solvents
Nayoung Kim, Wonseok Yang, James T. M. Amphlett, Dokyu Kang, Yunu Lee, Jae Joon Kim, Ho Jin Ryu, Sungyeol Choi*
doi.org/10.1016/j.jhazmat.2021.128000
Journal of Hazardous Materials
Volume 425, Issue N/A, Pages 128000
2022
Characterization of Nd-Bi Intermetallic Compound Formations by Co-reduction of Nd(III) and Bi(III) in Molten LiCl-KCl Eutectic
Beom Kyu Kim, Sungyeol Choi, Byung Gi Park*
doi.org/10.1016/j.electacta.2022.139849
Electrochimica Acta
Volume 406, Issue N/A, Pages 139849
2022
The Effect of Increasing Water Content on Transition Metal Speciation in Deep Eutectic Solvents
James Amphlett, Sungyeol Choi*
doi.org/10.1016/j.molliq.2021.115845
Journal of Molecular Liquids
Volume 332, Issue N/A, Pages 115845
2021
Computational Model-based Design of Molten Salt Electrorefining Process for High-purity Zirconium Metal Recovery from Spent Nuclear Fuel
Sungjune Sohn, Sungyeol Choi, Jaeyeon Park*, Il Soon Hwang*
doi.org/10.1002/er.5724
International Journal of Energy Research
Volume 45, Issue 8, Pages 11775-11790
2021
Dissolution Behaviors of SrO into Molten LiCl for Heat Reduction in Used Nuclear Fuel
Dokyu Kang, James T.M. Amphlett, Sang-Eun Bae, Eun-Young Choi, Sungyeol Choi*
doi.org/10.1016/j.net.2020.11.019
Nuclear Engineering and Technology
Volume 53, Issue 5, Pages 1534-1539
2021
Spectroelectrochemical Behavior of Cr, Fe, Co, Ni in LiCl-KCl Molten Salt for Decontaminating Radioactive Metallic Wastes
Seokjoo Yoon, Sungyeol Choi*
doi.org/10.1149/1945-7111/abdc7e
Journal of the Electrochemical Society
Volume 168, Issue 1, Pages 013504
2021
Probing Ni²⁺ and Co²⁺ Speciation in Carboxylic Acid-Based Deep Eutectic Solvents Using UV/Vis and FT-IR Spectroscopy
James T.M. Amphlett, Mark D. Ogden, Wonseok Yang, Sungyeol Choi*
doi.org/10.1016/j.molliq.2020.114217
Journal of Molecular Liquids
Volume 318, Issue N/A, Pages 114217
2020
Reference Electrode at Molten Salt: A Comparative Analysis of Electroceramic Membranes
Seokjoo Yoon+, Dokyu Kang+, Sungjune Sohn, Jaeyeong Park, Min-Ho Lee, Sungyeol Choi*
doi.org/10.7733/jnfcwt.2020.18.2.143
Journal of Nuclear Fuel Cycle and Waste Technology
Volume 18, Issue 2, Pages 143-155
2020
Multi-Species Hydrodynamic Electrochemical Modeling with Liquid Metal and Rotating Cylinder Electrodes in Molten Salt
Dokyu Kang, Jaeyeong Park, Sungyeol Choi*
doi.org/10.1149/2.0361816jes
Journal of the Electrochemical Society
Volume 165, Issue 16, Pages E860-E871
2018
Cyclic Voltammetry on Zr, Sn, Fe, Cr and Co in LiCl-KCl Salts at 500◦C for Electrorefining of Irradiated Zircaloy-4 Cladding
Jaeyeong Park*, Sungyeol Choi, Sung June Sohn, Il Soon Hwang
doi.org/10.1149/2.1501712jes
Journal of the Electrochemical Society
Volume 164, Issue 12, Pages D744-D751
2017
Transient Modeling of Spent Nuclear Fuel Electrorefining with Liquid Metal Electrode
Seong Jin Seo, Sungyeol Choi*, Byunggi Park
doi.org/10.1016/j.jnucmat.2017.04.053
Journal of Nuclear Materials
Volume 491, Issue N/A, Pages 115-125
2017
Corrosion Behavior of Surface Treated Steel in Liquid Sodium Negative Electrode of Liquid Metal Battery
Jeonghyeon Lee, Sang Hun Shin, Jung Ki Lee, Sungyeol Choi, Ji Hyun Kim*
doi.org/10.1016/j.jpowsour.2016.01.019
Journal of Power Sources
Volume 307, Issue N/A, Pages 526-537
2016
Electrochemical Investigation of Exchange Current Density of Uranium and Rare-earths Couples (M3+/M0) in LiCl-KCl Eutectic Electrolyte Multi-physics
Kwang-Rag Kim*, Sungyeol Choi, Jung-Guk Kim, Seungwoo Paek, Won Il Ko
doi.org/10.1016/S1452-3981(23)17379-2
International Journal of Electrochemical Science
Volume 10, Issue 9, Pages 7660-7670
2015
Comparison between Numerical Simulations and Experimental Results on Copper Deposition in Rotating Cylinder Hull Cell
Jaeyeong Park, Sungyeol Choi*, Robert O. Hoover, Kwang-Rag Kim, Sungjun Son, Young Hoon Shin, Supathorn Phongikaroon, Michael F. Simpson, Il Soon Hwang
doi.org/10.1016/j.electacta.2015.02.160
Electrochimica Acta
Volume 164, Issue N/A, Pages 218-226
2015
Effects of Operating Conditions on Molten-salt Electrorefining for Zirconium Recovery from Irradiated PWR Zircaloy-4 Cladding
Jaeyeong Park*, Sungyeol Choi, Sungjune Son, Kwang-Rag Kim, Il Soon Hwang
doi.org/10.1016/j.nucengdes.2014.04.035
Nuclear Engineering and Design
Volume 275, Issue N/A, Pages 44-52
2014
Cyclic Voltammetry on Zirconium Redox Reactions in LiCl-KCl-ZrCl4 at 500◦C for Electrorefining Contaminated Zircaloy-4 Cladding
Jaeyeong Park*, Sungyeol Choi, Sungjun Son, Kwang-Rag Kim, Il Soon Hwang
doi.org/10.1149/2.046403jes
Journal of the Electrochemical Society
Volume 161, Issue 3, Pages H97-H104
2014
Computational Electrochemo-fluid Dynamics Modeling in a Uranium Electrowinning Cell
Kwang-Rag Kim*, Sungyeol Choi, Si Hyung Kim, Jun-Bo Shim, Seungwoo Paek, In Tae Kim
doi.org/10.1007/s10967-013-2720-7
Journal of Radioanalytical and Nuclear Chemistry
Volume 299, Issue 1, Pages 165-170
2014
Electrochemical Hydrodynamics Modeling Approach for a Copper Electrowinning Cell
Kwang-Rag Kim*, Sungyeol Choi, Seungwoo Paek, Jaeyeong Park, Il Soon Hwang, Yongju Jung
doi.org/10.1016/S1452-3981(23)13269-x
International Journal of Electrochemical Science
Volume 8, Issue 11, Pages 12333-12347
2013
Uncertainty Studies of Real Anode Surface Area in Computational Analysis for Pyrochemical Electrorefining
Sungyeol Choi*, Jaeyeong Park, Robert O. Hoover, Supathorn Phongikaroon, Michael F. Simpson, Kwang-Rag Kim, Il Soon Hwang
doi.org/10.1016/j.jnucmat.2011.06.020
Journal of Nuclear Materials
Volume 416, Issue 3, Pages 318-326
2011
Electro-fluid Analysis of a Molten-salt Electrorefiner with Rotating Cruciform Anode Baskets
Kwang-Rag Kim*, Sungyeol Choi, Do-Hee Ahn, Seungwoo Paek, Han-Soo Lee, Il Soon Hwang
doi.org/10.1007/s10967-010-0717-z
Journal of Radioanalytical and Nuclear Chemistry
Volume 286, Issue 3, Pages 801-806
2010
Three-dimensional Multispecies Current Density Simulation of Molten-salt Electrorefining
Sungyeol Choi*, Jaeyeong Park, Kwang-Rag Kim, Hyo Sook Jung, Il Soon Hwang, Byung Gi Park, Kyung Woo Yi, Han-Soo Lee, Do Hee Ahn, Seungwoo Paek
doi.org/10.1016/j.jallcom.2010.04.228
Journal of Alloys and Compounds
Volume 503, Issue 1, Pages 177-185
2010
Multi-physics Modeling of a Molten-salt Electrolytic Process for Nuclear Waste Treatment
Kwang-Rag Kim*, Sungyeol Choi, Jung-Guk Kim, Seungwoo Paek, Do-Hee Ahn, Sang-Woon Kwon, Jun-Bo Shim, Si-Hyung Kim, Han-Soo Lee, Byung-Gi Park, Kyung-Woo Yi, Il Soon Hwang
doi.org/10.1088/1757-899X/9/1/012002
IOP Conference Series: Materials Science and Engineering
Volume 9, Issue 1, Pages 012002
2010
Computational Analysis of a Molten-Salt Electrochemical System for Nuclear Waste Treatment
Kwang-Rag Kim*, Sungyeol Choi, Do-Hee Ahn, Seungwoo Paek, Byung-Gi Park, Han-Soo Lee, Kyung-Woo Yi, Il Soon Hwang
doi.org/10.1007/s10967-009-0171-y
Journal of Radioanalytical and Nuclear Chemistry
Volume 282, Issue 2, Pages 449-453
2009