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Seungyeop Choi | Ph.D. Candidate

Phone +82-2-2123-7794
E-mail seungyeopchoi@yonsei.ac.kr
Team Actual
Research Interests Separators for LIBs

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Detail

Education

2024.09. -  Present | Yonsei University, Dept of Chemical and Biomolecular Eng. (Ph.D. program candidate)

2022.03. - 2024.08. | DGIST, Dept. Energy Science and Engineering (M.S.)

2015.03. - 2022.02. | Chungnam National University, Dept. of Organic Materials Engineering (B.S., ‘22)


 

Research Field
Separator for lithium secondary batteries
Electrode and cell design for lithium secondary batteries
 

Awards

4. [Journal of Materials Chemistry A Poster Presentation AwardAluminum Nitride Ceramic-Coated Separators for Interfacial Stabilization of Lithium Metal BatteriesMaterials Oceania(2025. 09. 18)


3. [우수대학원생상사회지향 글로벌 초격차 화공인재양성 교육연구단 (연세대학교 BK21), (2025. 01. 07)


2. [Excellent Paper Presentation Award] Aluminum Nitride Coated Separafor for Dendrite Suppression in Li Metal Batteries The Korean Society of Industrial and Engineering Chemistry, (2023. 11. 09) 

 

1. [Excellent Poster Award] 파우치형 리튬이온전지에서 전극의 비정렬로 인한 성능 저하 개선 연구, The Korean Electrochemical society, (2022.11.28.)   

 


Publications

18.Surface and Interfacial Cutting Analysis System for Adhesive Strength Measurement in Rechargeable Lithium Batteries, Journal of Energy Storage, Accepted (2026)

Cheol Bak†, Seungyeop Choi†, Won Seok Yang†, Hye Min Kim, Jun Pyo Seo, Dongyoon Kang, Jejin Lim, Jaecheol Choi*, and Yong Min Lee*


17. Unveiling the Microstructural and Electrochemical Properties of Polymeric Separators for Batteries through Generating Stochastic 3D Microstructures from 2D Images, Advanced Energy Materials

Youyeong Shin†, Suhwan Kim†, Rakhwi Hong, Seungyeop Choi, Seungyeop Lee, Joonhyeong Choi, Dongjin Kim, Wan-Keun Kim*, and Yong Min Lee*


16. Capillary-Bridged Slurry Engineering Enables Scalable Lithium Battery Electrodes Achieving 27 mAh cm–2, ACS Energy Letters, 10 (2025) 6223-6235

Hyunseo Kang†, Jung-Hui Kim†, Jaejin Lim†, Cheol Heo, Kyeong-Seok Oh, Hyunseok Moon, Seungyeop Choi, Jieun Nam, Yong Min Lee*, Sang-Young Lee*


15. Coupled Effects of Separator Microstructure and Active Material Diffusion Kinetics on High-Power Performance of Lithium-Ion Batteries, Advances in Industrial and Engineering Chemistry, (2025)

Seungyeop Choi†, Yeseo Lim†, Jaejin Lim†, Dongyoon Kang, Kwang Tae Park, Rakhwi Hong, and Yong Min Lee*


14. In-Situ Crosslinkable Graphite for Mechanically Robust Dry-Processed Lithium-Ion Battery Electrodes, Carbon Neutralization, (2025) 4:e70050

Jaejin Lim†, Kyubeen Kang†, Seungyeop Choi†, Myunggeun Song, Wonseok Yang, Gwonsik Nam, Minjae Kwon, Rakhwi Hong, Dongyoon Kang, Hyemin Kim, Yong Min Lee*


13. Impact of Conductive Agents in Sulfide Electrolyte Coating on Cathode Active Materials for Composite Electrodes in All-Solid-State Batteries, Battery Energy, (2025) e70044

Dongyoung Kim†, Jongjun Lee†, Seungyeop Choi, Myunggeun Song, Hyobin Lee, Yong Min Lee*


12. A Tailored Adhesive-Conductive Interlayer for Interface Stabilization of Large-Scale Lithium Metal Powder Electrodes for High-Energy-Density Batteries, Advanced Energy Materials, (2025) e05780

Dongyoon Kang†, Minseok Jeong†, Suhwan Kim†, Myunggeun Song, Cyril Bubu Dzakpasu, Sun Hyu Kim, Jaejin Lim, Sewon Eom, Seonghyeon Jung, Jieun Jang, Seungyun Jo, Heeji Jeon, Hyobin Lee, Seungyeop Choi, Taejin Jo, Hochun Lee, Du Yeol Ryu*, Jeonghun Kim* and Yong Min Lee*


11. Highly Thermally Conductive Ceramic-Coated Separators with Aluminum Nitride for Mitigating Thermal Runaway in Lithium-ion Batteries, Chemical Engineering Journal, 513 (2025) 162732

Siyoung Park†, Seungyeop Choi†, Jaejin Lim†, Jun pyo Seo, Hyobin Lee, Suhwan Kim, Youngjoon Roh, Junki Rhee, Yong Min Lee*


10. Scalable Carbon-Patterned Layer Enhances Low-Temperature Performance of Large-Format Lithium-Ion Batteries, Journal of Energy Chemistry, 105 (2025) 87-95

Jaejin Lim†, Siyoung Park†, Hyobin Lee†, Seungyeop Choi, Gwonsik Nam, Kyung-Geun Kim, Jaecheol Choi*, Young-Gi Lee*, and Yong Min Lee*


9. Optimizing the Power Performance of Lithium-Ion Batteries: The Role of Separator Porosity and Electrode Mass Loading, Batteries & Supercaps, Accepted in 2024

Seungyeop Choi†, Jun Pyo Seo, Jaejin Lim†, Cyril Bubu Dzakpasu, Youngjoon Roh, Cheol Bak, Suhwan Kim, Hongkyung Lee*, and Yong Min Lee*


8. Microstructure-based digital twin thermo-electrochemical modeling of LIBs at the cell-to-module scale, eTransportation, 22 (2024) 100370

Siyoung Park, Hyobin Lee, Seungyeop Choi, Jaejin Lim, Suhwna Kim, Jihun Song, Mukarram Ali, Tae-Soon Kwon, Chilhoon Doh*, and Yong Min Lee*


7. Roll-to-roll fabrication and characterization of ultra-thin ceramic-coated separator for high-energy-density lithium-ion batteries, Journal of Power Sources, 623 (2024) 235427

Seungyeop Choi†, Ucheol Kim†, Youngjoon Roh, Cyril Bubu Dzakpasu, Jaejin Lim, Myunggeun Song, Junki Rhee, Yoon-Sung Lee, and Yong Min Lee*


6. Comprehensive crosslinking strategy using fluorinated azide to enhance the thermal stability of ceramic-coated separators for Li-ion batteries, Chemical Engineering Journal, 498 (2024) 155238

Seungyeop Choi†, Syed Zahid Hassan†, Youngjoon Roh, Jun Pyo Seo, Jieun Kwon, Dae Sung Chung*, and Yong Min Lee*


5. Surface modification of perforated separator for more robust and thinner all-solid-state electrolyte membrane, Bulletin of the Korean Chemical Society, 45(4) (2024) 341-349

Dohwan Kim, Seungyeop Choi, Cheol Bak, Youngjoon Roh, Cyril Bubu Dzakpasu, and Yong Min Lee*


4. Ultra-thin Ceramic Coated Separator for High Energy Density Lithium-ion Battery:In-Depth Analysis on Al2O3 Nano Particles Penetration into the Structure Pore, Journal of Industrial and Engineering Chemistry, 126 (2023) 137-144
Ucehol Kim, Youngjoon Roh, Seungyeop Choi, Yoon-Sung Lee, Sun-Yul Ryou*, and Yong Min Lee*
 
3. Systematic study on Li dendrite growth and suppression in pouch-type lithium-ion batteries with misaligned electrode paris, Journal of Power Sources, 579 (2023) 233265
Seungyeop Choi, Nayeon Kim, Dahee Jin, Youngjoon Roh, Dongyoon Kang, Hyugnjin Lee, Seung-Tae Hong, Hongkyung Lee*, and Yong Min Lee*
 

2. AgNO3-Preplanted Li Metal Powder Electrode: Preliminary Formation of Lithiophilic Ag and a Li3N-rich Solid Electrolyte Interphase, Chemical Engineering Journal, 452 (2023) 139409

Dongyoon Kang†, Dahee Jin†, Janghyuk Moon†, Cyril Bubu Dzakpasu, Hyobin Lee, Seungyeop Choi, Taejin Jo, Hongkyung Lee*, Sun-Yul Ryou*, and Yong Min Lee*

 

1. A Review on Ultrathin Ceramic-Coated Separators for Lithium Secondary Batteries using Deposition Processes, Journal of the Korean Electrochemical Society, 25(4) (2022) 134-153

Ucheol Kim, Youngjoon Roh, Seungyeop Choi, Cyril Bubu Dzakpasu, and Yong Min Lee*

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