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Principal investigator

Younghoon Lee, Ph.D.

Assistant Professor
Mechanical Engineering

Kyung Hee University

Younghoon Lee, Ph.D.

Woojungwon #6037, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, South Korea

Research experience

Assistant Professor, Mechanical Engineering, Kyung Hee University.

Assistant Professor, Mechanical Engineering, Gachon University.

Postdoctoral Fellow, Research Laboratory of Electronics, MIT. (PI: Prof. Yufeng (Kevin) Chen)

Senior Researcher, Soft Robotics Research Center, Seoul National University. (PI: Prof. Yong-Lae Park)

2025 - present  

2023 - 2025   

2021 - 2023       

2021 

Education

Ph.D. in Materials Science and Engineering, Seoul National University. (PI: Prof. Jeong-Yun Sun)

M.S. in Mechanical Engineering, Kyung Hee University. (PI: Prof. Dukhyun Choi)

B.S. in Mechanical Engineering, Kyung Hee University.

2016 - 2021  

2014 - 2016  

2009 - 2014  

Honor & Awards

Young Scientist Grant, Type B (Ministry of Science and ICT, Korea)
Young Researcher Infrastructure Grant (KBSI-NFEC, Korea)

AMSM Award (AMSM 2024)
Best Invited Talk Award (AISI3S 2024)
Sejong Science Fellowship (Ministry of Science an ICT).
Best Paper Award, International Conference on Active Materials and Soft Mechatronics (AMSM).
Best Paper Award, The Polymer Society of Korea.
Outstanding Presenter Award, The Korean Vacuum Society.
Outstanding Presenter Award, International Symposium on Green Manufacturing and Applications (ISGMA).
Best Paper Presentation Award, Korean Society of Mechanical Engineers.

2026 - 2030
2026 - 2027
2024
2024
2021 - 2026
2019
2018 
2016 
2015 
2015 

Academic activity

2025 - present

2024 - present

2024 - present

2024 - present

2024 - present

"Iontronics" Editoral board member
Korea Society of Mechanical Engineers (KSME), Micro-Nano Engineering, R&BD, Director
Korea Society of Mechanical Engineers (KSME), Materials and Fracture, Director
The Korean Institute of Electrical and Electronic Material Engineers (KIEEME), business, Director

Korean Society for Composite Materials (KSCM) Energy, environment and bio-composites, Director

Researchers

Kyungtae Choi

Kyongtae Choi

Graduate of Mechanical Engineering
Kyung Hee University

1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, South Korea

Research interest: Hydrogels, Iontronics, Energy harvesting

Selected Publications

1) M. Song†, J. Jang, G. Lee, K. Choi, J. Chae, S.Cho, S. Jang, D. Lee, D. Choi, C. Lee, Younghoon Lee*

Under revision at Nature Communications

2) S. An, K. Choi, M. Boo, H. Choi, H. Yang, J. Sim, S. Yoo, S. Um, K. Moon, D. Park, D. Youn, H. Kim, Y. Han, J. Jung, W. Kim, J. Um, S. Ko, Y. Lee, H. Kim*, L. E. Otterbein*, J. Park*

​(Under revision)

3)​ G. Lee, J. Lee, J. Jang, M. Song, K. Choi, W. Song*, Y. Lee*

Advanced Functional Materials (Accepted)

4)​ J. Kim†, K.Choi†, Y. Cho, G. Lee, S. Min, M. Song, J.Jang, H. Lim*, Y. Lee*, S. Baik*

Nano-Micro Letters (Accepted)

5)​ K. Choi†, H. Cho†, Y. Lee*

Iontrinics (2026

6)​ J. Jang, K. ChoiG. Lee, S. Cho, M. Lee, D. Choi, K. Choi*, D. Choi*,  Y. Lee*

EcoMat (2026)

7)​ G. Lee†, E. Kim, K. Choi, M. Song, S. Jang, D. Choi, D. Seo, M. Lee*, Y. Lee*

Advanced Materials (2026)

8) K. Choi, J. Park, W. Song, S. An, S. Choe, B. Keum, M. Kim, D. Hwang, Y. Park, S. Baik*, G. Im*, Y. Lee*

Advanced Materials (2026)

9)​ K. ChoiG. Lee, M. Lee, H. Hwang, K. Lee*, Y. Lee*

Nano-Micro Letters (2025)

Honor & Awards​

Graduate Merit Scholarship, National Research Foundation of Korea (석사우수장학금-이공계, 한국연구재단)

2026 - 2027
 

Research Support Grant for Master's Students, National Research Foundation of Korea (석사과정생연구장려금, 한국연구재단)

2026 - 2027
 

Gibeom Lee

Gibeom Lee 

Graduate of Mechanical Engineering
Kyung Hee University

1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, South Korea

Research interest:  Iontronics, Energy harvesting

Selected Publications

1) J. Oh†, H. Kim†, G. Lee, H. Choi, Q. Sun, Y. Lee*, D. Choi*

Under revision at Engineering

2) M. Song†, J. Jang, G. Lee, K. Choi, J. Chae, S.Cho, S. Jang, D. Lee, D. Choi, C. Lee, Younghoon Lee*

Under revision at Nature Communications

3)​ G. Lee, J. Lee, J. Jang, M. Song, K. Choi, W. Song*, Y. Lee*

Advanced Functional Materials (Accepted)

4)​ K.Choi†, J. Choi†, Y. Cho, J. Kim, G. Lee, S. Min, M. Song, J.Jang, H. Ha, H. Lim*, Y. Lee*, S. Baik*

Nano-Micro Letters (Accepted)

5)​ J. Jang, K. ChoiG. Lee, S. Cho, M. Lee, D. Choi, K. Choi*, D. Choi*,  Y. Lee*

EcoMat (2026)

6)​ G. Lee†, E. Kim, K. Choi, M. Song, S. Jang, D. Choi, D. Seo, M. Lee*, Y. Lee*

Advanced Materials (2026)

7)​ K. ChoiG. Lee, M. Lee, H. Hwang, K. Lee*, Y. Lee*

Nano-Micro Letters (2025)

8) Y. Ra, M. Song, D. Lee, S. Jang, S. Cho, Y. Kim, J. Chae, D. Kam, D. Lee, G. Lee, Y. Lee*, D. Choi*

International Journal of Extreme Manufacturing (2025)
9) S. Jang, S. Lee, S.-A Shah, S. Cho, Y. Ra, G. Lee, Y. Lee*, D. Choi* 

Advanced Functional Materials (2024)

10) G. Lee, D. Lee, G.-B. Im, Y. Lee* 

Energy & Environmental Materials (2024)

Honor & Awards​

Graduate Presidential Science Scholarship, Korea Student Aid Foundation (대학원 대통령과학장학금, 한국장학재단)

2026 - 2028
 

Research Support Grant for Master's Students, National Research Foundation of Korea (석사과정생연구장려금, 한국연구재단)

2026 - 2027
 

Minjun Song

Minjun Song

Graduate of Mechanical Engineering
Kyung Hee University

1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, South Korea

Research interest: Attachable devices, Iontronics

Selected Publications

1)S. Yu†, S. Lee†, M. Song, G. Ren, M. Awais, Y. Lee*, D. Choi*

Under revision at Nano-Micro Letters

2) M. Song†, J. Jang, G. Lee, K. Choi, J. Chae, S.Cho, S. Jang, D. Lee, D. Choi, C. Lee, Younghoon Lee*

Under revision at Nature Communications

3)​ G. Lee, J. Lee, J. Jang, M. Song, K. Choi, W. Song*, Y. Lee*

Advanced Functional Materials (Accepted)

4)​ K.Choi†, J. Choi†, Y. Cho, J. Kim, G. Lee, S. Min, M. Song, J.Jang, H. Ha, H. Lim*, Y. Lee*, S. Baik*

Nano-Micro Letters (Accepted)

5)​ G. Lee†, E. Kim, K. Choi, M. Song, J.Jang, S. Jang, D. Choi, D. Seo, M. Lee*, Y. Lee*

Advanced Materials (2026)

6) Y. Ra, M. Song, D. Lee, S. Jang, S. Cho, Y. Kim, J. Chae, D. Kam, D. Lee, G. Lee, Y. Lee*, D. Choi*

International Journal of Extreme Manufacturing (2025)

Honor & Awards​

Research Support Grant for Master's Students, National Research Foundation of Korea (석사과정생연구장려금, 한국연구재단)

2026 - 2027
 

Best Poster Award (Materials Science and Engineering: B), International Conference on Nanogenerators and Piezoelectronics (NGPT)

2026
 

Student Award, International Conference on Active Materials and Soft Mechatronics (AMSM)

2024
 

Hyungyun Cho

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Graduate of Mechanical Engineering
Kyung Hee University

1732 Deogyeong-daero, Giheung-gu, Youngin-si, Gyeonggi-do 17104, South Korea

Research interest:  Iontronics, Energy harvesting

Selected Publications

1)S. Cho†, S. Jang†, H. Cho, D. Lee, Y. Jun, Y-S. Kim, D. Choi*, Y. Lee*
Advanced Materials (Under revision)
2)​ K. Choi, H. Cho, Y. Lee*
Iontrinics (2026)

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Jiwon Jang

Undergraduate of Mechanical Engineering
Gachon University

1342 Seongnamdaero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, South Korea 

Research interest: Soft actuators, Energy harvesting 

Selected Publications

1) M. Song†, J. Jang, G. Lee, K. Choi, J. Chae, S.Cho, S. Jang, D. Lee, D. Choi, C. Lee, Younghoon Lee*

Under revision at Nature Communications

2)​ G. Lee, J. Lee, J. Jang, M. Song, K. Choi, W. Song*, Y. Lee*
Advanced Functional Materials (Accepted)

3)​ K.Choi†, J. Choi†, Y. Cho, J. Kim, G. Lee, S. Min, M. Song, J.Jang, H. Ha, H. Lim*, Y. Lee*, S. Baik*

Nano-Micro Letters (Accepted)

4)​ J. Jang, K. ChoiG. Lee, S. Cho, M. Lee, D. Choi, K. Choi*, D. Choi*, Y. Lee*
EcoMat (2026)

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Yusang Jun

Undergraduate of Mechanical Engineering
Kyung Hee University

1732 Deogyeong-daero, Giheung-gu, Youngin-si, Gyeonggi-do 17104, South Korea

Research interest: Hydrogels, Iontronics, Energy harvesting

Selected Publications

1)S. Cho†, S. Jang†, H. Cho, D. Lee, Y. Jun, Y-S. Kim, D. Choi*, Y. Lee*

Advanced Materials (Under revision)

2) Y. Ra†, Y. Kim†, Y. Jun†, S. Hwang, J. Chae, S. Yu, H. Kim, S. Jang, S. Cho, Y. Lee*, H. Hwang*, D. Choi*

Current Opinion in Solid State & Materials Science (2026)

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Hyojae Ha

Undergraduate of Mechanical Engineering
Kyung Hee University

1732 Deogyeong-daero, Giheung-gu, Youngin-si, Gyeonggi-do 17104, South Korea

Research interest: Hydrogels, Iontronics, Energy harvesting

Selected Publications

1)​ K.Choi†, J. Choi†, Y. Cho, J. Kim, G. Lee, S. Min, M. Song, J.Jang, H. Ha, H. Lim*, Y. Lee*, S. Baik*
Nano-Micro Letters (Accepted)

Alumni

Junhyeong Lee

Junhyeong Lee

Former visiting student 
June 2023 - July 2023

St.George's school

Jongseok Lee

Jongseok Lee

Undergraduate of Mechanical Engineering
Gachon University

1342 Seongnamdaero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, South Korea 

Research interest: Soft iontronics

Selected Publications

1)​ G. Lee, J. Lee, J. Jang, M. Song, K. Choi, W. Song*, Y. Lee*
Under revision at Advanced Functional Materials
2)​ H. Park, G. Im, S. Jeong, J. Lee, A. Ferran, J. Lee, S. Kim, J. Hyun, Y. Jang, E. Lee, Y. Lee, J. Bae,*, S. Bhang*
Nature Communications (2026)

김은별.jpg

Eunbyul Kim

Undergraduate of Mechanical Engineering
Gachon University

1342 Seongnamdaero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, South Korea 

Research interest: Soft materials

Selected Publications

1)​ G. Lee†, E. Kim, K. Choi, M. Song, S. Jang, D. Choi, D. Seo, M. Lee*, Y. Lee*
Advanced Materials (2026)

Minyoung Shim

Minyong Shim

Undergraduate of Mechanical Engineering
Gachon University

1342 Seongnamdaero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, South Korea 

Research interest: Energy harvesting

Selected Publications

1) Thien Trung Luu, M. Shim, Y. Choi, Quang Minh Bui, M. Kim, Y. Park, K. Choi*, Y. Lee*, D. Choi*

Chemical Engineering Journal (2025)

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Donghyun Lee

Undergraduate of Mechanical Engineering
Gachon University

1342 Seongnamdaero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, South Korea 

Research interest: Micro/nano biointerface, Soft materials

Selected Publications

1) Y. Ra, M. Song, D. Lee, S. Jang, S. Cho, Y. Kim, J. Chae, D. Kam, D. Lee, G. Lee, Y. Lee*, D. Choi*
International Journal of Extreme Manufacturing (2025)
2) 
G. Lee, D. Lee, G.-B. Im, Y. Lee* 
Energy & Environmental Materials (2024)

Dagyu Lee

Daegyu Lee

Undergraduate of Mechanical Engineering
Gachon University

1342 Seongnamdaero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, South Korea 

Research interest: Attachable devices, Iontronics

Selected Publications

1) M. Song†, J. Jang, G. Lee, K. Choi, J. Chae, S.Cho, S. Jang, D. Lee, D. Choi, C. Lee, Younghoon Lee*

Under revision at Nature Communications

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Jimin Park

Undergraduate of Mechanical Engineering
Kyung Hee University

1732 Deogyeong-daero, Giheung-gu, Youngin-si, Gyeonggi-do 17104, South Korea

Research interest: Hydrogels, Iontronics, Energy harvesting

Selected Publications

1) K. Choi, J. Park, W. Song, S. An, S. Choe, B. Keum, M. Kim, D. Hwang, Y. Park, S. Baik*, G. Im*, Y. Lee*

Advanced Materials (2026)

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ZHENGBING DING

Ph.D. of Mechanical Engineering
 Sungkyunkwan University

1732 Deogyeong-daero, Giheung-gu, Youngin-si, Gyeonggi-do 17104, South Korea

Research interest:  Energy harvesting, Self powered
Sensors & Actuators

HI LAB
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