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Molecular Design of High-Voltage Electrolytes via Steric Hindrance Effects, Hoai Van T. Nguyen, Abdullah Bin Faheem, Kyung-Koo Lee*, Journal of Power Sources, 2025, 638, 236455.

Implementation of Phosphonium Salt for High-Performance Supercapacitors from Room to Ultra-Low Temperature Conditions, Hoai Van T. Nguyen, Hee Jin Han, Euna Choi, Yong Ho Lee*, Kyung-Koo Lee*, Journal of Energy Storage, 2025, 106, 114750.

Tetraethylphosphonium tetrafluoroborate Electrolyte for Paving the Way to Construct High-Power and High-Voltage Supercapacitors, Hoai Van T. Nguyen, Kyung-Koo Lee*, Journal of Energy Storage, 2024, 96, 112640.

Tailoring Solvent Mixtures to Boost Electrochemical Stability and Low-Temperature Performances of Supercapacitors, Hoai Van T. Nguyen, Kyung-Koo Lee*, Journal of Power Sources, 2024, 592, 233929.

Systematic Approach to Constructing Safe and High-Performance Supercapacitors with Nonflammable Electrolytes, Hoai Van T. Nguyen, Kyung-Koo Lee*, ChemSusChem, 2023, e202300756.

Size Effect of Electrolyte Ions on the Electric Double Layer Structure and Supercapacitive Behavior, Hoai Van Thi Nguyen, Abdullah Bin Faheem, Junam Kim, Juyeoung Lee, Qing Jin, Bonyong Koo, Woong Kim, and Kyung-Koo Lee*, ACS Applied Energy Materials, 2023, 6, 3155.

Advances on the high voltage supercapacitors for energy storage systems: Materials and electrolyte tailoring to implementations, Jae Muk Lim, Young Seok Jang, Hoai Van T. Nguyen, Jun Sub Kim, Yeoheung Yoon, ByungJun Park, Dong Han Seo*, Kyung-Koo Lee*, Zhaojun Han*, Kostya (Ken) Ostrikov*, Seok GwangDoo*, Nanoscale Advances, 2023, 5, 615-626.

High-voltage and intrinsically safe supercapacitors based on a trimethyl phosphate electrolyte, Hoai Van T. Nguyen, Junam Kim and Kyung-Koo Lee*, Journal of Materials Chemistry A, 2021, 9, 20725.

Activated carbons effectively purified by post‑heat treatment under vacuum conditions, Junam Kim‡,  Hoai Van T. Nguyen‡, Gyung Jin Bahk, Kyungwon Kwak*, and Kyung‑Koo Lee*, Carbon Letters, 2021. (‡ equally contributed)

Propionitrile as a single organic solvent for high voltage electric double-layer capacitors, Hoai Van T. Nguyen, Abdullah Bin Faheem, Kyungwon Kwak*, and Kyung-Koo Lee*, Journal of Power Sources, 2020, 463, 228134.

Influence of 3D morphology on the performance of all-polymer solar cells processed using environmentally benign nonhalogenated solvents, Hyeseung Jung, A-Ra Jung, Seon-Mi Jin, Seah Kim, Hyojung Heo, Hoai Van T. Nguyen, Min Je Kim, Pyeongkang Ahn, Myung Hwa Kim, Youngu Lee, Kyung-Koo Lee, Jeong Ho Cho, Eunji Lee*, and BongSoo Kim*, Nano Energy, 2020, 77,  105106.

Regio-regular alternating diketopyrrolopyrrole-based D1–A–D2–A terpolymers for the enhanced performance of polymer solar cells, Myeongjae Lee, Taehyo Kim, Hoai Van T. Nguyen, Hye Won Cho, Kyung-Koo Lee, Jong-Ho Choi, BongSoo Kim* and Jin Young Kim*, RSC Advances, 2019, 9, 42096.

Bis(oxalate)borate-containing electrolytes for high voltage electric double-layer capacitors: A comparative study, Hoai Van T. Nguyen, Sanghee Lee, Kyungwon Kwak*, and Kyung-Koo Lee*, Electrochimica Acta, 2019, 321, 134649. 

1,1-Dimethylpyrrolidinium tetrafluoroborate as novel salt for high- voltage electric double-layer capacitors, Hoai Van T. Nguyen, Kyungwon Kwak*, and Kyung-Koo Lee*, Electrochimica Acta, 2019, 299, 98.

Non-flammable electrolyte for the supercapacitor and the supercapacitor including the same, Inventor: Kyung-Koo Lee, Hoai Van T. Nguyen, Junam Kim, Applicant: KSNU(Kusan National University), submitted.

A Moderately Solvating Electrolytes for Lithium−ion Batteries: Co−intercalation−free and Wide−Temperature, Junam Kim, Thuy Duong Pham, Seung-Hyeok Ma, Bouk Heo, Kyungwon Kwak*, and Kyung-Koo Lee*, Electrochimica Acta, 2025, 534, 146573.

Synergistic Effects of Bisalt Additives in High-Voltage Rechargeable Lithium Batteries, Thuy Duong Pham, Junam Kim, Hye Min Oh, Kyungwon Kwak*, Kyung-Koo Lee*, ChemSusChem, 2024, e202400636.

High-efficiency Lithium Metal Stabilization and Polysulfide Suppression in Li-S Battery Enabled by Weakly Solvating Solvent, Thuy Duong Pham, Abdullah Bin Faheem, Junam Kim, Seung-Hyeok Ma, Kyungwon Kwak*, Kyung-Koo Lee*, Small, 2024, 2307951.

Unlocking the Potential of Lithium Metal Batteries with a Sulfite-based Electrolyte, Thuy Duong Pham, Abdullah Bin Faheem, Junam Kim, Kyungwon Kwak*, and Kyung-Koo Lee*, Advanced Functional Materials, 2023, 2305284.

Non-flammable Electrolytes based on a Fluorine-free Salt for Safe and High-voltage Lithium Metal Batteries, Thuy Duong Pham, Abdullah Bin Faheem, Junam Kim, Kyungwon Kwak*, and Kyung-Koo Lee*, Electrochimica Acta, 2023,  458, 142496.

Size Effect of Electrolyte Ions on the Electric Double Layer Structure and Supercapacitive Behavior, Hoai Van Thi Nguyen, Abdullah Bin Faheem, Junam Kim, Juyeoung Lee, Qing Jin, Bonyong Koo, Woong Kim, and Kyung-Koo Lee*, ACS Applied Energy Materials, 2023, 6, 3155.

Practical High-Voltage Lithium Metal Batteries Enabled by Tuning the Solvation Structure in Weakly Solvating Electrolyte, Thuy Duong Pham, Abdullah Bin Faheem, Junam Kim, Hye Min Oh,* and Kyung-Koo Lee*, Small, 2022, 2107492.

High-voltage and intrinsically safe supercapacitors based on a trimethyl phosphate electrolyte, Hoai Van T. Nguyen, Junam Kim and Kyung-Koo Lee*, Journal of Materials Chemistry A, 2021, 9, 20725.

Rational design of the electrolyte systems for the photochromic device, Hieu Dinh Nguyen, Junam Kim, and Kyung-Koo Lee*, Electrochimica Acta, 2021, 374, 137964.

Activated carbons effectively purified by post‑heat treatment under vacuum conditions, Junam Kim,  Hoai Van T. Nguyen, Gyung Jin Bahk, Kyungwon Kwak*, and Kyung‑Koo Lee*, Carbon Letters, 2021.

Preparation method of activated carbon using reducing atmosphere, Inventor: Kyung-Koo Lee, Junam Kim, Applicant: KSNU(Kusan National University), Patent number: 1021987960000, Date of Patent: 2020.12.29.

Electrolyte composition for photochromic device, and photochromic device, Inventor: Kyung-Koo Lee, Junam Kim, Nguyen Dinh Hieu, Applicant: KSNU(Kusan National University), submitted.

Non-flammable electrolyte for the supercapacitor and the supercapacitor including the same, Inventor: Kyung-Koo Lee, Hoai Van T. Nguyen, Junam Kim, Applicant: KSNU(Kusan National University), submitted.

THF-based electrolyte and lithium metal batteries containing thereof, Inventor: Kyung-Koo Lee, Thuy Duong Pham, Junam Kim, Applicant: KSNU(Kusan National University), submitted.

Noncombustible liquid electrolyte composition for lithium metal battery and lithium battery containing thereof, Inventor: Kyung-Koo Lee, Nguyen Dinh Hieu, Junam Kim, Applicant: KSNU(Kusan National University), submitted.

Unlocking High-Performance Lithium Metal Batteries through a Unique Solvation Structure Engineered by an Ether Solvent , under revision.

A Moderately Solvating Electrolytes for Lithium−ion Batteries: Co−intercalation−free and Wide−Temperature, Junam Kim, Thuy Duong Pham, Seung-Hyeok Ma, Bouk Heo, Kyungwon Kwak*, and Kyung-Koo Lee*, Electrochimica Acta, 2025, 534, 146573.