New members joined! (2026. 02. 01.)

Hajin and Incheol joined our lab as undergraduate researchers

Hyunwoo joined our lab as a M.S. course student

Welcome to join our lab 😁

2025 Fall Meeting of the Korean Ceramic Society, Seoul (Coex), Korea
(2025. 10. 15. ~ 10. 17.)

We have received new research funds from the KETEP and NRF (2025.09.01.) Congratulations!

1.  해외공동R&D연구센터과제, 수소 생산 비용 저감 및 고순도 산소 자원화 전략을 위한 양극/음극 동시 수증기 공급형 고효율 SOEC 스택 개발, 에너지기술평가원, 300,000,000 원/3년 (2025.07.~2028.06.), 연구참여 (컨소시엄 과제)

(공동연구 수행 기관: 한국기계연구원, 독일항공우주센터 (DLR), E&KOA, KIST Europe)

2. 개척연구, 수소 저장/변환 하이브리드 전극 기반의 초소형 수소배터리 개발, 한국연구재단, 300,000,000 원/3년 (2025.09.~2028.08.), 연구책임 (개인과제)

Featured as back cover! (2025. 07. 02.)

Our paper, "Recent advances and challenges in degradation issues of direct ammonia solid oxide fuel cells: comprehensive review," was recently published in JMCA and featured on the back cover!

Congratulations 😁

New members joined! (2025. 07. 01.)

Geun mok and Dong jun joined our lab as undergraduate students

Welcome to join our lab 😁

New paper published! (25.06.27.)

Nano-structure Engineering With an Ultrasonic-assisted DHBT Technique to Improve the Hydrogen Evolution Reactions in Alkaline Water Electrolysis   (Journal: International Journal of Precision Engineering and Manufacturing-Green Technology)

New paper published! (25.06.02.)

Machine-learning-driven features importance analysis for guiding the protonic ceramic fuel cell manufacturing  (Journal: Array)

Recent advances and challenges in degradation issues of direct ammonia solid oxide fuel cells: Comprehensive Review (Journal: Journal of Materials Chemistry A)

Hyeyeong and Jaewan got awards from the Korean Ceramic Society 

Congratulations!

2025 Spring meeting of the Korean Society of Mechanical Engineers, Jeju, Korea (2025. 04. 23. ~ 04. 25.)

Hosub Lee (Poster) :  1-D Numerical Simulation Approach of DA-SOFC for Ammonia Reforming Rate Calculation

Jaewan Baek (Poster) : 딥러닝 기반 직접 암모니아 고체산화물 연료전지의 SOH 추정 및 RUL 예측

Jinwoo Kim (Poster) : Investigation of Nitriding Characterstics in Interconnects for DA-SOFCs

2025 Spring meeting of the Korean Ceramic Society, Yeosu, Korea
(2025. 04. 16. ~ 04. 18.)

Prof. Mingi Choi (Invited talk) : Surface engineering for stable direct ammonia solid oxide fuel cells

Hyunho Lee (Oral) : Ni-YSZ 연료극의 표면 엔지니어링을 통한 안정적인 직접 암모니아 고체산화물연료전지 구동

Hosub Lee (Poster) :  1-D Numerical Simulation Approach of DA-SOFC for Ammonia Reforming Rate Calculation

Hyeyeong Jeon (Poster) : 직접 암모니아 고체 산화물 연료전지를 위한 전기도금 기반 나노 구조 개질층

Jaewan Baek (Poster) : 딥러닝 기반 직접 암모니아 고체산화물 연료전지의 SOH 추정 및 RUL 예측

New members joined! (2025. 03. 01.)

Hyeyeong and Muhammad joined our lab as M.S. and Ph.D. courses, respectively.

Welcome to join our lab 😁

We begin the collaborative work with Prof. Yu at the KHU. (2025. 01. 21.)

We begin the collaborative work with Prof.Nagasawa at the Institute of the Science of Tokyo. (2024. 11. 12.)

The research subject is verifying the Ni3N formation using the NH3-isotope.

2024 Fall meeting of the Korean Society of Mechanical Engineers, Jeju, Korea (2024. 11. 06. ~ 11. 08.)

2024 Fall meeting of the Korean ceramic society, COEX Seoul, Korea (2024. 10. 16. ~ 10. 18.)

Prof. Dae Hwan Park & Prof. Wonyoung Lee gave seminars (24.09.13.)

Title: Hydrogel-based photocatalyst platform for multi-purpose water treatment 

Title: Hydrogen production and utilization by solid oxide fuel cells

Our paper is featured in The Press!

중앙일보 외 2건 (한겨례, MSN)

Congratulation!

Jaewan's visiting research at the University of Pennsylvania (UPenn), USA (24.07.15.~08.22.)

EDML member, Jaewan, visited UPenn and conducted collaborative research with Prof.Chinedum Osuji's group. The aim is to develop an autonomous experimental setup for the electrochemical devices. 

Hope Jaewan got a lot out of this visiting period at UPenn.

Europe-Korea Conference on Science and Technology (EKS2024), UK (24.07.30.~08.02.)

Eunbi Hong presented the Poster at the EKS2024 at the United Kindom (UK)

Title: Ultrasonic Field Assisted-Nano Porosity Control for the High-Performance Hydrogen Evolution Reaction in Alkaline Electrolysis

Authors: Eunbi Hong, Hosub Lim, Hyunho Lee, Chaewon Lee, Sojeong Eun, Mingi Choi*

New paper published! (24.08.15.)

Title: Effects of water on the degradations in the Ni-YSZ anode of the direct ammonia solid oxide fuel cells

Authors: Hyunho Lee, Jinwoo Kim, Jaewan Baek, Hyunguk Kwon*, Mingi Choi*

Congratulations 😀

New paper published! (24.08.15.)

Title: Bayesian-optimization-assisted efficient operation for direct ammonia solid oxide fuel cells

Authors: Jaewan Baek, Jinwoo Kim, Hyunho Lee, Minki Lee*, Mingi Choi*

Congratulations 😀

New member joined! (24. 07. 15.)

Hyeyoung Jun (Dept. Chemistry, Incheon National University, 4th grade) joined our group as a Research intern. Welcome😀

Prof. Hyeong-U Kim (@ KIMM) gave a seminar (24.05.17.)

Title: 차세대 2D반도체의 플라즈마기술 연구방향 

2024 Spring Meeting of the Korean Society of Mechanical Engineers, Jeju, Korea  (24.04.24.~26.)

Jaewan Baek (Oral) "Machine-learning-assisted efficient operation for direct ammonia solid oxide fuel cells"
Hyunho Lee (Poster) "Effect of water atmosphere on the Ni oxidation of direct ammonia solid oxide fuel cells"

Jinwoo Kim (Poster) "Analyzing the impact of the protonic ceramic fuel cell material and manufacturing process using machine learning"

Hosub Lee (Poster) "Improvement of hydrogen evolution reaction in alkaline water electrolysis with nanostructured electrode using DC-sputtering"

2024 1st ammonia solid oxide fuel cell symposium, Yeosu, Korea (24.04.23)

2024 Spring meeting of the Korean Electrochemical Society, Busan, Korea (2024. 04. 03. ~ 04. 05.)

Prof. Mingi Choi and Hyunho Lee gave talks at the Fuel Cell session:

Prof. Mingi Choi, "Bayesian optimization-assisted efficient operation for the direct ammonia solid oxide fuel cells"

Hyunho Lee, "Effect of the water atmosphere on the degradation of the direct ammonia solid oxide fuel cells"

New paper published! 

(24. 01. 23.)

New paper was published in Journal of Materials Chemistry A (IF=11.9, JCR<10%). Congratulation!

New member joined! (23. 12. 28)

Eunbi Hong (Dept. MSDE, 4th grade) joined our group as an undergraduate researcher. Welcome!

Seminar at KICET - GIST

(23. 12. 07)

Title: Fuel production and utilization through the protonic ceramic electrochemical cells

New paper published! 

(23. 11. 18)

New paper was published in Nature Communications (IF=16.6, JCR<10%). Congratulation!

Jaewan got a poster award from the 2023 Fall Meeting of the Korean Ceramic Society. Congratulation! 

New member joined! (23. 11. 06)

Hoseob Lee (Dept. Mechanical & Automotive Engineering, 4th grade) joined our group as an undergraduate researcher. Welcome!

2023 Fall meeting of the korean electrochemical society, Yeosu, Korea (2023. 11. 01 ~ 11. 03)

2023 Fall meeting of the korean ceramic society, COEX Seoul, Korea (2023. 10. 18 ~ 10. 20)

(Poster) J. Baek, J. Kim, H. Lee, K. Kim, S. Eun, C. Lee, M.Lee*, M. Choi* "Fuel injection control with bayesian optimization for highly efficient direct-ammonia solid oxide fuel cell"

New member joined! (23. 09. 22)

Minsun Kwack (Dept. Mechanical Convergence Engineering & Dept. Chemical and Biomolecular Engineering, 3rd grade) joined our group as an undergraduate researcher. 

H2 meet 2023 (23. 09. 15)

With Dr. Minwoo Ahn (Hyundai Motors)

Seminar at Sungkyunkwan University 

(23. 09. 14)

Title: Micro-nano structure design for next generation solid oxide fuel cells

New paper published! 

(23. 08. 01)

New paper was published in Materials Today Energy (IF=9.3, JCR<20%). Congratulation!

Lecture at Chonnam National University

(23. 08. 01~02)

Professor Mingi Choi gave a lecture for "2023 fundamentals and training for hydrogen fuel cell and electrolysis cell" at CNU

Seminar at KIMM

(23. 07. 28)

Title: Micro-nano structure design for next generation solid oxide fuel cells

Professor Mingi Choi gave a seminar at KIMM. Thanks for inviting me, Dr. Kim.

Seminar at Sungkyunkwan University 

(23. 07. 14)

Title: Catalyst design for improving the fuel utilization of electrochemical devices

EDML has a seminar with ECL for a joint research

2nd K-SOC symposium, Sejong, Korea (2023. 07. 11 ~ 07. 12)

(Poster) J. Kim, H. Lee, J. Baek, K. Kim, S. Eun, C. Lee, M. Choi "Machine Learning based Fuel Injection Control for High-Efficiency Direct-Ammonia Solid Oxide Fuel cell"

243rd Electrochemical Soceity Meeting with the 18th international symposium on Solid Oxide Fuel Cells (SOFC-XVIII), Boston, USA (2023. 05. 28 ~ 06. 02)

(Oral) M. Choi "Protonic ceramic fuel cell with stoichiometric electrolytes"

2023 Korean Society of Industrial and Engineering Chemistry Spring Meeting, Jeju, Korea (2023. 05. 11 ~ 12)

(Invited) (Oral) M. Choi "Surface engineering of the heterogeneous catalysts for direct methane protnoic ceramic fuel cell"

New paper published! 

(23. 04. 01)

New paper was published in Ceramist. Congratulation!

2023  Spring Meeting & Academic Presentation of the Korean Electrochemical Society, Jeju, Korea (2023. 04. 05 ~ 07)

(Invited) (Oral) M. Choi "Engineering the surface basicity of heterogeneous catalyst for high CO2 methanation"

New members joined!

(23. 03. 06)

Jinwoo Kim (Woosuk Univ. Dept. Mechanical and Automotive Engineering), Chae Won Lee, Kwang Jae Kim, and Sojeong Eun (SeoulTech. Dept. Future Energy Convergence) joined our group as an undergraduate researcher. Let's discover the hydrogen energy together!

Seminar at KIST

(23. 02. 14)

Title: Rational design of protonic ceramic fuel cells for high performance and stability

Professor Mingi Choi gave a seminar at KIST. 

New paper published! 

(23. 02. 03)

New paper was published in International Journal of Energy Research (IF=4.67, JCR<5%). Congratulation!

Welcome to join EDML!

(22. 11. 23)

Jaewan Paik (Dept. Mechanical and Automotive Engineering, 3rd grade) and Hyunho Lee (Dept. Fine Chemistry, 4th grade) joined our group as an undergraduate researcher. Let's make a fun group together!

Seminar at Sungkyunkwan University! 

(22. 11. 16)

Title: Surface characterizations for energy devices

Professor Mingi Choi had a seminar at the department of mechanical engineering at SKKU. Thanks a lot to Professor Wonyoung Lee for inviting me.

2022 Fall Meeting of the Korean Society of Mechanical Engineers, Jeju, Korea (22. 11. 09 ~ 12)

2022 Fall Meeting of the Korean Electrochemical Society, Busan, Korea (22. 11. 03 ~ 05)

(Invited) (Oral) M. Choi "Protonic ceramic fuel cell with stoichiometric electrolyte"

Introduced at the department newsletter! 

(22. 10. 19)

Professor Mingi Choi was introduced at the department newsletter (Department of mechanical engineering at SKKU). It is a big honor! 

Seminar at Korea University! 

(22. 09. 14)

Title: Protonic ceramic fuel cell with stoichiometric electrolyte

Professor Mingi Choi had a seminar at KU with Professor Joonhyung Shim's group. It was such a great time to share the research idea and prospects of fuel cell technologies.

New paper published! 

(22. 08. 01)

New paper was published in International Journal of Energy Research. Congratulation!

Joined the Seoul National University of Science and Technology! 

(22. 07. 01)

Professor Mingi Choi joined the department of future energy convergence at SeoulTech on July 2022 as an assistant professor. Many thanks for all your support!

Got reserarch grant from National Research Foundation of Korea! 

(21. 03. 01)

We received the five-years grant, Sejong Science Fellowship (130,000,000 won/year, 2021-2025), from National Research Foudnation of Korea (NRF Korea). The research subject in this grant is about the development of low-temperature electrochemical cells for CO2 conversion.