Iridium alloy catalyst having reversible catalytic activity and preparation method thereof. 
Hyung Suk OH, Woong Hee Lee, Byoung Koun Min, Yun Jeong Hwang,
Ung Lee, Dong Ki Lee, WON Da Hye, Jai Hyun Koh. 
US Patent App. 17/197,893. 2021.

 

Hydrogen production and storage system using solar energy independently operated without external power. 
Ung Lee, Byoung Koun Min, Hyun Joo Lee, Yun Jeong Hwang, Hyung Suk OH, Dong Ki Lee, WON Da Hye, Jai Hyun Koh, Dong Gu Han. 
US Patent App. 17/017,845. 2021.

 

Electrocatalytic Reduction of Low Concentrations of CO2 Gas in a Membrane Electrode Assembly Electrolyzer. 
Dongjin Kim, Woong Choi, Hee Won Lee, Si Young Lee, Yongjun Choi, Dong Ki Lee, Woong Kim, Jonggeol Na,
Ung Lee, Yun Jeong Hwang, Da Hye Won. 
ACS Energy Letters 6 (10), 3488-3495. 2021.

 

Amine blending optimization for maximizing CO2 absorption capacity in a diisopropanolamine–methyldiethanolamine–H2O system using the electrolyte UNIQUAC model. 
Bong-Keun Choi, Seung-Mo Kim, Kyung-Min Kim,
Ung Lee, Jeong Ho Choi, Jong-Seop Lee, Il Hyun Baek, Sung Chan Nam, Jong-Ho Moon. 
Chemical Engineering Journal 419, 129517. 2021.

 

Condensation of furans for the production of diesel precursors: A study on the effects of surface acid sites of sulfonated carbon catalysts. 
Hyemin Yang, Han-Ik Joh, Hyunah Choo, Jae-wook Choi, Dong Jin Suh,
Ung Lee, Jungkyu Choi, Jeong-Myeong Ha. 
Catalysis Today 375, 155-163. 2021.

 

Photoelectrode for hydrogen generation in solar water splitting and manufacturing method thereof. 
Dong Ki Lee, Byoung Koun Min, Byungwoo Kim, Yun Jeong Hwang, Hyung-Suk Oh,
Ung Lee, Jai Hyun KOH. 
US Patent App. 16/804,001. 2021.

 

Bayesian optimization of industrial-scale toluene diisocyanate liquid-phase jet reactor with 3-D computational fluid dynamics model. 
S Park, M Atwair, K Kim,
U Lee, J Na, U Zahid, CJ Lee. 
Journal of Industrial and Engineering Chemistry 98, 327-339. 2021.

 

Methods for producing a methanol precursor, methanol, and a methyl ester from methane in high purities. 
HJ Lee,
U Lee, HW Lee, TH Dang, SH Cheong. 
US Patent 11,021,429. 2021.

 

Highly selective and stackable electrode design for gaseous CO2 electroreduction to ethylene in a zero-gap configuration. 
Woong Hee Lee, Chulwan Lim, Si Young Lee, Keun Hwa Chae, Chang Hyuck Choi,
Ung Lee, Byoung Koun Min, Yun Jeong Hwang, Hyung-Suk Oh. 
Nano Energy 84, 105859. 2021.

 

A comparative techno-economic and quantitative risk analysis of hydrogen delivery infrastructure options. 
Y Lee,
U Lee, K Kim. 
International Journal of Hydrogen Energy 46 (27), 14857-14870. 2021.

 

Achieving over 15% Efficiency in Solution-Processed Cu(In,Ga)(S,Se)2 Thin-Film Solar Cells via a Heterogeneous-Formation-Induced Benign p–n Junction Interface. 
Da-Seul Kim, Gi Soon Park, Byungwoo Kim, Soohyun Bae, Sang Yeun Park, Hyung-Suk Oh,
Ung Lee, Doo-Hyun Ko, Jihyun Kim, Byoung Koun Min. 
ACS applied materials & interfaces 13 (11), 13289-13300. 2021.

 

Learning the properties of a water-lean amine solvent from carbon capture pilot experiments. 
J Kim, J Na, K Kim, JH Bak, H Lee,
U Lee
Applied Energy 283, 116213. 2021.

 

Achieving over 15% Efficiency in Solution-Processed Cu (In, Ga)(S, Se) ₂ Thin-Film Solar Cells via a Heterogeneous-Formation-Induced Benign p–n Junction Interface. 
Da-Seul Kim, Gi Soon Park, Byungwoo Kim, Soohyun Bae, Sang Yeun Park, Hyung-Suk Oh,
Ung Lee, Doo-Hyun Ko, Jihyun Kim, Byoung Koun Min. 
ACS applied materials & interfaces 2021 v.13 no.11 pp. 13289-13300. 2021.

 

Alkali metal-incorporated chalcopyrite compound-based thin film and method of fabricating the same. 
BK Min, YJ Hwang, HS Oh,
U Lee, WON Dahye, DK Lee, J Kim, MK Kim. 
US Patent App. 16/397,334. 2020.

 

Method of acid saccharification of biomass. 
JM Ha, H Yang, YS Jeong, JW Choi, DJ Suh, YH Yoon, GS Yang,
U Lee
US Patent 10,793,537. 2020.

 

Oxygen vacancies induced NiFe-hydroxide as a scalable, efficient, and stable electrode for alkaline overall water splitting. 
Woong Hee Lee, Man Ho Han,
Ung Lee, Keun Hwa Chae, Haesol Kim, Yun Jeong Hwang, Byoung Koun Min, Chang Hyuck Choi, Hyung-Suk Oh. 
ACS Sustainable Chemistry & Engineering 8 (37), 14071-14081. 2020.

 

Mass Transport Control by Surface Graphene Oxide for Selective CO Production from Electrochemical CO2 Reduction. 
Dang Le Tri Nguyen, Chan Woo Lee, Jonggeol Na, Min-Cheol Kim, Nguyen Dien Kha Tu, Si Young Lee, Young Jin Sa, Da Hye Won, Hyung-Suk Oh, Heesuk Kim, Byoung Koun Min, Sang Soo Han,
Ung Lee, Yun Jeong Hwang. 
ACS Catalysis 10 (5), 3222-3231. 2020.

 

A perspective on practical solar to carbon monoxide production devices with economic evaluation. 
Sang Youn Chae, Si Young Lee, Sung Gyu Han, Honggon Kim, Jongwon Ko, Sejin Park, Oh-Shim Joo, Donghwan Kim, Yoonmook Kang,
Ung Lee, Yun Jeong Hwang, Byoung Koun Min.
Sustainable Energy & Fuels 4 (1), 199-212. 2020.

 

Turning Harmful Deposition of Metal Impurities into Activation of Nitrogen-Doped Carbon Catalyst toward Durable Electrochemical CO2 Reduction. 
Chanyeon Kim, Yoong-Kee Choe, Da Hye Won, Ung Lee, Hyung-Suk Oh, Dong Ki Lee, Chang Hyuck Choi, Sungho Yoon, Woong Kim, Yun Jeong Hwang, Byoung Koun Min.
ACS Energy Letters 4 (9), 2343-2350. 2019.

 

Pt black catalyzed methane oxidation to methyl bisulfate in H2SO4-SO3. 
HW Lee, HT Dang, H Kim, U Lee, JM Ha, J Jae, M Cheong, H Lee.
Journal of Catalysis 374, 230-236. 2019.

 

Reversible absorption of SO2 with alkyl-anilines: the effects of alkyl group on aniline and water. 
HT Vo, SH Cho, U Lee, J Jae, H Kim, H Lee.
Journal of Industrial and Engineering Chemistry 69, 338-344. 2019.

 

Conceptual Process Design and Process Optimization. 
A Mitsos, U Lee, S Recker, M Skiborowski.
Green Chemical Engineering, Volume 12 5, 1. 2018.

 

Optimal design and operation of Fischer-Tropsch microchannel reactor for pilot-scale compact Gas-to-Liquid process. 
Jonggeol Na, Krishnadash S Kshetrimayum, Ikhwan Jung, Seongho Park, Yongkyu Lee, Okbae Kwon, Yonggi Mo, Jongtae Chung, Jongyeol Yi, Ung Lee, Chonghun Han.
Chemical Engineering and Processing-Process Intensification 128, 63-76. 2018.

 

Design of carbon dioxide dehydration process using derivative-free superstructure optimization. 
J An, J Na, U Lee, C Han.
Chemical Engineering Research and Design 129, 344-355. 2018.

 

Techno-economic feasibility study of membrane based propane/propylene separation process. 
U Lee, J Kim, IS Chae, C Han.
Chemical Engineering and Processing: Process Intensification 119, 62-72. 2017.

 

Multi-objective optimization of microchannel reactor for Fischer-Tropsch synthesis using computational fluid dynamics and genetic algorithm. 
J Na, KS Kshetrimayum, U Lee, C Han.
Chemical Engineering Journal 313, 1521-1534. 2017.

 

Techno-economic Optimization of a Green-Field Post-Combustion CO2 Capture Process Using Superstructure and Rate-Based Models. 
U Lee, J Burre, A Caspari, J Kleinekorte, AM Schweidtmann, A Mitsos.
Industrial & Engineering Chemistry Research 55 (46), 12014-12026. 2016.

 

Optimal retrofit of a CO2 capture pilot plant using superstructure and rate-based models. 
U Lee, A Mitsos, C Han.
International Journal of Greenhouse Gas Control 50, 57-69. 2016.

 

A semi-analytical method for determining the optimal stripper pressure in CO2 capture and liquefaction using monoethanolamine (MEA). 
T Park, SG Lee, SH Kim, U Lee, C Han, JM Lee.
International Journal of Greenhouse Gas Control 46, 271-281. 2016.

 

Techno-economic analysis of mechanical vapor recompression for process integration of post-combustion CO2 capture with downstream compression. 
YS Jeong, J Jung, U Lee, C Yang, C Han.
Chemical Engineering Research and Design 104, 247-255. 2015
.

A novel dynamic modeling methodology for boil-off gas recondensers in liquefied natural gas terminals. 
S Lee, J Jeon, U Lee, CJ Lee, C Han.
Journal of Chemical Engineering of Japan 48 (10), 841-847. 2015
.

Design and modeling of large-scale cross-current multichannel Fischer–Tropsch reactor using channel decomposition and cell-coupling method. 
S Park, I Jung, U Lee, J Na, KS Kshetrimayum, Y Lee, CJ Lee, C Han.
Chemical Engineering Science 134, 448-456. 2015
.

Parametric optimization for power de-rate reduction in the integrated coal-fired power plant with carbon capture and storage. 
J An, U Lee, J Jung, C Han
Industrial & Engineering Chemistry Research 54 (18), 5062-5076. 2015
.

New Configuration of the CO2 Capture Process Using Aqueous Monoethanolamine for Coal-Fired Power Plants. 
J Jung, YS Jeong, U Lee, Y Lim, C Han
Industrial & Engineering Chemistry Research 54 (15), 3865-3878. 2015
.

Design and Operation Strategy of CO2 Terminal. 
U Zahid, J An, CJ Lee, U Lee, C Han
Industrial & Engineering Chemistry Research 54 (8), 2353-2365. 2015
.

Integration of retrofitted coal-fired power plant with CCS: power de-rate minimization. 
J An, U Lee, J Jung, C Han
Computer Aided Chemical Engineering 37, 545-550. 2015
.

Techno‐economic assessment of CO2 liquefaction for ship transportation. 
U Zahid, J An, U Lee, SP Choi, C Han
Greenhouse Gases: Science and Technology 4 (6), 734-749. 2014

 

Automatic model-based soft sensor generation for liquefied natural gas terminal pipeline. 
S Lee, J Jung, C Park, U Lee, C Han
Industrial & Engineering Chemistry Research 53 (39), 15041-15051. 2014

 

Economic analysis for the transport and storage of captured carbon dioxide in South Korea. 
U Zahid, U Lee, J An, Y Lim, C Han
Environmental Progress & Sustainable Energy 33 (3), 978-992. 2014

 

Comparative Study of Process Integration and Retrofit Design of a Liquefied Natural Gas (LNG) Regasification Process Based on Exergy Analyses: A Case Study of an LNG Regasification Process in South Korea. 
Seongho Park, Chansaem Park, Ung Lee, Ikhwan Jung, Jonggeol Na, Krishnadash S Kshetrimayum, Chonghun Han
Industrial & Engineering Chemistry Research 53 (37), 14366-14376. 2014

 

Design and analysis of a combined Rankine cycle for waste heat recovery of a coal power plant using LNG cryogenic exergy. 
U Lee, K Park, YS Jeong, S Lee, C Han
Industrial & Engineering Chemistry Research 53 (23), 9812-9824. 2014

 

Effect of Liquefaction Plant Performance and Location on the Cost of CO2 Transport. 
U Zahid, J An, U Lee, C Han
Computer Aided Chemical Engineering 33, 1651-1656. 2014

 

Design and exergy analysis of combined Rankine cycle using LNG cold energy. 
U Lee, C Han
Computer Aided Chemical Engineering 33, 1687-1692. 2014

 

Parameter Optimization for Efficiency Improvement of Retrofitted Power Plant Integrated with CO₂ Capture Process
J An, U Lee, S Yang, C Han
한국가스학회 학술대회논문집, 40-40. 2013

 

Integrated Simulation and Optimization for Carbon Capture and Storage System. 
T Park, SG Lee, SH Kim, U Lee, JM Lee, C Han
International Journal of Chemical and Molecular Engineering 7 (10), 762-765. 2013

 

Semiconductor light-emitting device and method for manufacturing thereof. 
SH Son, KJ Kim, EM Ko, U Lee
US Patent 8,519,412. 2013

 

Carbon dioxide liquefaction process for ship transportation
U Lee, S Yang, YS Jeong, Y Lim, CS Lee, C Han
Industrial & engineering chemistry research 51 (46), 15122-15131. 2012

 

Pipeline Transport of CO₂. 
U Zahid, U Lee, C Han
한국가스학회 학술대회논문집, 26-29. 2012

 

CO2 Storage Terminal for Ship Transportation. 
U Lee, Y Lim, S Lee, J Jung, C Han
Industrial & engineering chemistry research 51 (1), 389-397.  2012

 

Post-combustion CO2 capture process with aqueous MEA: an advanced MEA process using a phase separation heat exchanger. 
J Jung, YS Jeong, U Lee, Y Lim, S Yang, CS Lee, J Kim, C Han
Computer Aided Chemical Engineering 31, 505-509. 2012

 

Process design and cost estimation of carbon dioxide compression and liquefaction for transportation. 
S Yang, U Lee, Y Lim, YS Jeong, J Kim, C Lee, C Han
Korean Chemical Engineering Research 50 (6), 988-993. 2012

 

Vertical Light emitting diode and manufacturing method of the same
U Lee, SY Jang, SJ Jung, H Kim
US Patent App. 12/926,839. 2011

 

모노에탄올아민 (MEA) 을 이용한 이산화탄소 포집공정: 배가스 분할 유입을 통한 흡수제 재생 에너지 절감 연구 
J Jung, Y Lim, YS Jeong, U Lee, S Yang, C Han
Korean Chemical Engineering Research 49 (6), 764-768. 2011

 

CO2 Capture Process using Aqueous Monoethanolamine (MEA): Reduction of Solvent Regeneration Energy by Flue gas Splitting. 
J Jung, Y Lim, YS Jeong, U Lee, S Yang, C Han
Korean Chemical Engineering Research 49 (6), 764-768.  2011

 

Population balance model-based hybrid neural network for a pharmaceutical milling process. 
P Kumar Akkisetty, U Lee, GV Reklaitis, V Venkatasubramanian
Journal of Pharmaceutical Innovation 5 (4), 161-168. 2010

 

Organic light-emitting display and method of making the same. 
D Choi, J Park, D Lim, J Lee, J Lee, U Lee
US Patent App. 11/540,021. 2007