• Article

2025

Pinning Effects of Heavy Elements for the Structural Stability of Ni-Based Layered Oxides

Wontae Lee†, Munhyeok Choi†, Minji Kim, Hoseok Lee, Hyunyoung Park, Jangwhan Seok, Seongeun Lee, Jaeyoung Kim, Soyeong Yun, Yeo June Yoon, Won Sig Jung, Jong Pil Kim, Young Min Choi, Jongsoon Kim, Won-Sub Yoon*

ACS Energy Letters, 2025, 10(9), 4527-4534, IF: 18.2, IF Rank: 8/182 (Top 4.1%) - Published: 2025. 08. 21

Advances and Challenges in Li-Excess Cathode Additives for Next-Generation Li Rechargeable Batteries

Wontae Lee†, Yun Seong Byeon†, Seong Hee Jeong, Jae-Uk Kim, Seongeun Lee, Sangbin Park, Min-Sik Park*, and Won-Sub Yoon* 

ACS Energy Letters, 2025, 10(7), 3151–3177, IF: 18.2, IF Rank: 8/182 (Top 4.1%) - Published: 2025. 06. 11

Synchrotron-based X-ray techniques for probing electronic and structural dynamics in energy storage materials

Wontae Lee*

Journal of Electrochemical Science and Technology, 2025,  16(3), 249-266, IF: 3.0, IF Rank: 24/44 (Top 53.4%) - Published: 2025. 08

Structural stabilization of 4.6 V LiCoO2 through tri-site co-doping with Al-Mg-F

Sangbin Park†, Jangwhan Seok†, Wontae Lee, Seongeun Lee, Sungbum Lee, Hyungjoon Moon, Hyun Jei Chung, Nam-In Kim, Jae-Hyun Ryou and Won-Sub Yoon*

Small, 21(5), 2409892, (2025), IF: 12.1, IF Rank: 14/186 (Top 7.2%) - Published: 2025. 02. 05

New suggestion of highly durable electrode design for ordered mesoporous Ni-Mn binary transition metal oxide anode material in Lithium-ion batteries

Taewhan Kim†, Kyoung Ho Kim†, Hansol Kim†, Wontae Lee, Woosung Choi, Jaesang Yoon, Lianghao Song, Ki Jae Kim, Ravindra N. Bulakhe*, Won-Sub Yoon* and Ji Man Kim*

Small, 21(5), 2406243, (2025), IF: 12.1, IF Rank: 14/186 (Top 7.2%) - Published: 2025. 02. 05

Over- and hyper-lithiated oxides as sacrificial cathodes for lithium-ion batteries

Wontae Lee†, Yun Seong Byeon†, Seongeun Lee, Sungho Kong, Min-Sik Park*, and Won-Sub Yoon* 

Advanced Energy Materials, 15(2), 2304533, (2025), IF: 26.0, IF Rank: 5/182 (Top 2.5%) - Published: 2025. 01. 14

2024

In situ techniques for Li rechargeable battery analysis

Seongeun Lee†, Sangbin Park†, Wontae Lee, Jangwhan Seok, Jae Uk Kim, Jongsoon Kim, Won-Sub Yoon* 

Carbon Energy, 6(12), e549, (2024), IF: 24.2, IF Rank: 14/460 (Top 2.9%) - Published: 2024. 12. 27

Comprehensive understanding of elemental doping and substitution of Ni-rich cathode materials for lithium-ion batteries via in-situ operando analyses

Yun Seong Byeon†, Wontae Lee†, Sangbin Park, Dongil Kim, Jaewoo Jung, Min-Sik Park*, and Won-Sub Yoon* 

Small Science, 4(10), 2400165, (2024), IF: 8.3, IF Rank: 81/460 (Top 17.5%) - Published: 2024. 10. 06

One-dimensoinal van der Waals V2Se9 as a conversion-type anode material for advanced Li rechargeable batteries

Sunhyun Hwang, Seungbae Oh, Woosung Choi, Sudong Chae, Jungyoon Ahn, Wontae Lee, Hyung-Suk Oh, Jae-Young Choi*, and Won-Sub Yoon* 

Journal of Alloys and Compounds, 980, 173541, (2024), IF: 6.3, IF Rank: 11/96 (Top 10.9%) - Published: 2024.04.15

One-dimensoinal van der Waals transition metal chalcogenide as an anode material for advanced lithium-ion batteries

Woosung Choi†, Seungbae Oh†, Sunhyun Hwang†, Sudong Chae, Hyunyoung Park, Wontae Lee, Chaeheon Woo, Xue Dong, Kyung Hwan Choi, Jungyoon Ahn, Yeongjin Kim, Xiaojie Zhang, Jinsu Kang, Hyeon-Seok Bang, Jiho Jeon, Hyung-Suk Oh, Jongsoon Kim, Jae-Young Choi*, and Won-Sub Yoon* 

Journal of Materials Chemistry A, 12, 7122-7131, (2024), IF: 9.5, IF Rank: 63/460 (Top 13.6%) - Published: 2024.03.28

Aging mechanisms of lithium-ion batteries

Jangwhan Seok, Wontae Lee, Hyunbeom Lee, Sangbin Park, Chanyou Chung, Sunhyun Hwang and Won-Sub Yoon* 

Journal of Electrochemical Science and Technology, 15(1), 51-66, (2024), IF: 3.0, IF Rank: 24/44 (Top 53.4%) - Published: 2024.01.29.

Controlling disorder

Wontae Lee and Won-Sub Yoon* 

Nature Energy, 9(1), 10-11, (2024), IF: 60.1, IF Rank: 1/182 (Top 0.3%)  – Published: 2024.01.25.

2023

Critical factors to understanding the electrochemical performance of all-solid-state batteries: Soild interfaces and non-zero lattice strain

Jaeyoung Kim†, Wontae Lee†, Jangwhan Seok, Minji Kim, Sangbin Park, Hyunbeom Lee, Young-Jun Kim, and Won-Sub Yoon*  

Small, 19, 2304269, (2023), IF: 12.1, IF Rank: 14/187 (Top 7.2%) – Published: 2023.10.18. 

Electrochemical profiling method for diagnosis of inhomogeneous reactions in lithium-ion batteries

Jaeyoung Kim, Wontae Lee, Jangwhan Seok, Sangbin Park, Joon Keun Yoon, Seung-Beom Yoon, Won-Sub Yoon* 

Cell Reports Physical Science, 4, 101331, (2023), IF: 7.3, IF Rank: 14/114 (Top 11.8%) – Published: 2023.04.19. 

2022

Enhancing electrochemical performance by triggering a local structure distortion in lithium vanadium phosphate cathode for Li ion batteries

Hyunyoung Park†, Wontae Lee†, Ranjith Thangavel, Woong Oh, Bong-Soo Jin, Won-Sub Yoon* 

Journal of Materials Chemistry A, 10, 25129-25139 (2022), IF: 9.5, IF Rank: 63/460 (Top 13.6%) – Published: 2022.12.21.  

Unraveling reversible redox chemistry and structural stability in Sn-doped Li-rich layered oxide cathodes

Soyeong Yun, Shoaib Muhammad, Jinhyuk Choi, Wontae Lee, Junwoo Yu, Hayeon Lee, Yongjae Lee, and Won-Sub Yoon* 

ACS Energy Letters, 7, 11, 3989-3996 (2022), IF: 18.2, IF Rank: 8/182 (Top 4.1%) – Published: 2022.11.11.

The effect of high-temperature storage on the reaction heterogeneity of Ni-rich layered cathode materials

Eunkang Lee†, Wontae Lee†, Jaeyoung Kim, Hyunwoo Kim, Minji Kim, Soyeong Yun, Sangsul Lee, Junsik Kim, Dohyung Park, Donghan Kim*, Won-Sub Yoon* 

Energy Storage Materials, 46, 259-268 (2022), IF: 20.2, IF Rank: 22/460 (Top 4.7%) – Published: 2022.04.20.

Revealing the unconventional lithium storage mechanism of ordered mesoporous NiO for lithium-ion batteries

Kyoung Ho Kim, Taewhan Kim, Yun Seok Choi, Wontae Lee, Woosung Choi, Jaesang Yoon, Jin Seo Park, Yelim Kwon, Won-Sub Yoon*, Ji Man Kim* 

Journal of Power Sources, 526, 231135 (2022), IF: 7.9, IF Rank: 7/44 (Top 14.8%) – Published: 2022.04.01.

Inhomogeneous lithium-storage reaction triggering the inefficiency of all-solid-state batteries

Jaeyoung Kim, Wontae Lee, Jangwhan Seok, Eunkang Lee, Woosung Choi, Hyunyoung Park, Soyeong Yun, Minji Kim, Jun Lim, Won-Sub Yoon* 

Journal of Energy Chemistry, 66, 226-236 (2022), IF: 14.9, IF Rank: 2/75 (Top 2.0%) – Published: 2022.03.01. 

Triggering anomalous capacity by nanoengineered ordered mesoporous structure for Co3O4 anode material in Li-ion rechargeable batteries

Taewhan Kim†, Kyoung Ho Kim†, Wontae Lee†, Woosung Choi, Hyunyoung Park, Hyunwoo Kim, Jaesang Yoon, Yun Seok Choi, Jungho Lee, Ji Man Kim*, Won-Sub Yoon*  

Applied Surface Science, 575, 151744 (2022), IF: 6.9, IF Rank: 3/23 (Top 10.9%) – Published: 2022.02.01. 

Destabilization of the surface structure of Ni-rich layered materials by water-washing process

Wontae Lee†, Sangyoon Lee†, Eunkang Lee, Munhyeok Choi, Ranjith Thangavel, Yongho Lee, Won-Sub Yoon* 

Energy Storage Materials, 44, 441-451 (2022), IF: 20.2, IF Rank: 22/460 (Top 4.7%) – Published: 2022.01.20.

2021

Evidence for the coexistence of polysulfide and conversion reactions in the lithium storage mechanism of MoS2 anode material

Woosung Choi, Yun Seok Choi, Hyunwoo Kim, Jaesang Yoon, Yelim Kwon, Taewhan Kim, Ju-Hyun Ryu, Ji Hye Lee, Wontae Lee, Joonsuk Huh, Ji Man Kim*, and Won-Sub Yoon*  

Chemistry of Materials, 33 (6), 1935−1945 (2021), IF: 7.0, IF Rank: 102/460 (Top 22.1%) – Published: 2021.03.23. 

Conduction Mechanism of Charge Carriers in Electrodes and Design Factors for the Improvement of Charge Conduction in Li-ion Batteries

Akhtar, Sophia, Wontae Lee, Minji Kim, Min-Sik Park*, and Won-Sub Yoon* 

Journal of Electrochemical Science and Technology, 12(1). 1-20 (2021), IF: 3.0, IF Rank: 24/44 (Top 53.4%) – Published: 2021.02.01.

2020

Stabilizing effects of Al-doping on Ni-rich LiNi0.80Co0.15Mn0.05O2 cathode for Li rechargeable batteries

Mihee Jeong, Hyunchul Kim, Wontae Lee, Sung-Jin Ahn, Eunkang Lee, Won-Sub Yoon* 

Journal of Power Sources, 474, 31, 228592 (2020), IF: 7.9, IF Rank: 7/44 (Top 14.8%) – Published: 2020.10.31.

Nanoengineered organic electrodes for highly durable and ultrafast cycling of organic sodium-ion batteries

Ranjith Thangavel, Megala Moorthy, Bala Krishnan Ganesan, Wontae Lee, Won-Sub Yoon, and Yun Sung Lee*  

Small, 16, 2003688 (2020), IF: 12.1, IF Rank: 14/187 (Top 7.2%) – Published: 2020.10.15.

Advances in the cathode materials for lithium rechargeable batteries

Wontae Lee, Shoaib Muhammad, Chernov Sergey, Hayeon Lee, Jaesang Yoon, Yong-Mook Kang*, Won-Sub Yoon* 

Angewandte Chemie-International Edition, 59, 7, 2578-2605 (2020), IF: 16.9, IF Rank: 15/239 (Top 6.1%) – Published: 2020.02.10. 

Anionic redox chemistry as a clue for understanding the structural behavior in layered cathode materials

Wontae Lee, Soyeong Yun, Hao Li, Jaeyoung Kim, Hayeon Lee, Kyeongkeun Kwon, Jin Yong Lee, Young-Min Choi, and Won-Sub Yoon* 

Small, 16, 1905875 (2020), IF: 12.1, IF Rank: 14/187 (Top 7.2%) – Published: 2020.02.06.

2019 ~

Exceptional lithium storage in a Co(OH)2 anode: Hydride formation

Hyunchul Kim, Woon Ih Choi, Yoonjung Jang, Mahalingam Balasubramanian, Wontae Lee, Gwi Ok Park, Su Bin Park, Jaeseung Yoo, Jin Seok Hong, Youn-Suk Choi, Hyo Sug Lee, In Tae Bae, Ji Man Kim*, and Won-Sub Yoon* 

ACS Nano, 12, 3, 2909-2921 (2018), IF: 16.0, IF Rank: 28/460 (Top 6.0%) – Published: 2018.03.27. 

In situ soft XAS study on nickel-based layered cathode material at elevated temperatures: A novel approach to study thermal stability

Won-Sub Yoon, Otto Haas, Shoaib Muhammad, Hyunchul Kim, Wontae Lee, Donghwi Kim, Daniel A Fischer, Cherno Jaye, Xiao-Qing Yang, Mahalingam Balasubramanian, Kyung-Wan Nam  

Scientific Reports, 4, 6827 (2014), IF: 3.9, IF Rank: 25/135 (Top: 18.1%) – Published: 2014.10.29.

• Book

Cathode material for lithium secondary battery containing caffeine organic matter and its method for preparing the same

Wontae Lee, Won-Sub Yoon, Sungho Kong, Munhyeok Choi 

Application number: 10-2023-0089743 

Composite material for cathode active material and its manufacturing method

Won-Sub Yoon, Wontae Lee, Seongeun Lee, Min-Sik Park, Hyobin Lee, Sungmin Park, Yunseong Byeon, Minjae You 

Application number: 10-2023-0032034 

Synthesis and characterization of cathode active materials based on raw materials extracted from waste lithium secondary batteries

Wontae Lee, Munhyeok Choi, Won-Sub Yoon

SetbitChemCo, Ltd., 2021. 

• 134thj General Meeting of the Korean Chemical Society, October 16-18, 2024, Daegu EXCO, Korea. (Invited Talk)

• Pacific Rim International Meeting of Electrochemical Society (PRiME) 2024, October 6-11, 2024, Hawaii Convention Center, Honolulu, USA. (Invited Talk & Session Chair)

• A joint summer symposium on electrochemistry and analytical chemistry, June 26-28, 2024, Mokpo National University, Korea. (Invited Talk)

• Organic Battery Days 2024, June 19-21, 2024, Samsung Library Auditorium (SKKU), Korea. (Invited Talk)

• 133rd General Meeting of the Korean Chemical Society, April 24-26, 2024, Suwon Convention Center, Korea.

• 2024 Spring Meeting of the Korean Electrochemical Society, April 3-5, 2023, Busan BEXCO, Korea.

• NANO KOREA 2023: The 21st International Nanotech Symposium & Exhibition, July 5-7, 2023, KINTEX, Korea. 

• 2023 Spring Meeting of the Korean Electrochemical Society, April 5-7, 2023, ICC Jeju, Korea.

• Fall Meeting of the Korean Electrochemical Society, November 3-5, 2022, Busan BEXCO, Korea.

• 2022 Spring Meeting of the Korean Electrochemical Society, April 7-9, 2022, ICC Jeju, Korea. 

• LIBD-9 Conference, September 15-20, 2019, Arcachon, France. 

• IMLB 2018: The 19th International Meeting on Lithium Batteries, June 17-22, 2018, Kyoto, Japan. 

• 2017 Fall Meeting of the Korean Electrochemical Society, November 2-4, 2017, Daejeon Convention Center, Korea. 

• 2016 Spring Meeting of the Korean Electrochemical Society, April 7-8, 2016, Kimdaejung Convention Center, Korea.  

• ICAE 2015: The 3rd International Conference on Advanced Electrodmaterials, November 17-20, 2015, ICC Jeju, Korea.

• 2015 Spring Meeting of the Korean Electrochemical Society, April 2-4, 2015, Kimdaejung Convention Center, Korea.

• 2014 ECS and SMEQ Joint Internaltional Meeting, October 5-9, 2014, Cancun, Mexico 

• The 17th International Meeting on Lithium Batteries (IMLB), June 10-14, 2014, Como, Italy. 

• 2014 Spring Meeting of the Korean Electrochemical Society, April 2-4, 2014, Changwon Convention Center, Korea. 

• 2013 Fall Meeting of the Korean Electrochemical Society, November 7-9, 2013, Daejeon Convention Center, Korea. 

• 2013 Spring Meeting of the Korean Electrochemical Society, April 11-13, 2013, Changwon Convention Center, Korea.