PUBLICATIONS

2026

49. Jinwoo Lee, Kyungbeen Yeom, Gaeun Hong, Yoojin Shin, Ji Seong Kyoung, Ji Eun Park, Heonjoong Lee, Taeyang Han, Yung-Eun Sung, Jeong Won Kang, Kyoung-Soo Kang, Hyunjoon Lee*, "Synergistic NiO-NiCo heterostructure electrode for highly active and durable hydrogen evolution in industrial alkaline water electrolysis", Energy & Environmental Science (IF=32), Submitted (Co-author)

48. Chaeyeon Jeon, Yeon Hu Park, Dae Hyun Lee, Ji Eun Park*, Seong-Ju Hwang*, Xiaoyan Jin*, "B,S-Co-doping-assisted surface modulation approach to enhance the electrocatalyst performance of Ni-Fe hydroxide toward the oxygen evolution reaction", Small Structures (IF= 11.3), Submitted (Co-corresponding author)

47. Sungeun Heo†, SungBin Park†, Jae Myeong Lee, Min Seok Ki, Dae Hyun Lee, Jun Ho Min, Minkyung Bae, Seungwoo Lee, Sung Jong Yoo, Hyunjoon Lee, Ji Eun Park*, Changsoon Choi*, Yung-Eun Sung*, "Layer-by-layer electrode design integrating macroporous carbon-nanotube skeleton for low-cost and high-efficiency anion-exchange membrane water electrolyzer", ACS Catalysis (IF=11.9), Under review (Co-corresponding author)

46. Min Seok Gi†, Kyung Ah Lee†, Dae Hyun Lee, SungBin Park, Geumbi Na, Kyungbeen Yeom, Sungeun Heo, Yoojin Shin, Jun Bae Shin, Hyungwon Shim, Ji Eun Park*, Chi-Yeong Ahn*, Yung-Eun Sung*, "Dual-layer porous-transport layer design for high-performance anion-exchange membrane unitized regenerative fuel cells", Journal of Power Sources (IF=7.9), 2025, Under review (Co-correspoding author).

2025

45. SungBin Park†, Yoojin Shin†, Seungwoo Lee, Min Seok Gi, Dae Hyun Lee, Sungjun Kim, Hyunjoon Lee*, Ji Eun Park*, Yung-Eun Sung*, "Achieving ultra-high performance in alkaline water electrolyzers using a cost-effective bamboo-like unified electrode for the hydrogen evolution reaction" Chemical Engineering Journal (IF=13.2), 2025, 525, 170346 (Co-corresponding author). 

44. SungBin Park†, Hosung Choi†, Geumbi Na, Min Seok Gi, Dae Hyun Lee, Ji Eun Park*, Yong-Hun Cho*, Yung-Eun Sung*, "Unified anodes with different nickel-iron-based phases for durable AEM electrolyzers achieving high performance of 8000 mA cm-2 at 2.05 V" Journal of Materials Chemistry A (IF-9.5), 2025, Advanced Article (Co-corresponding author).

43. Kyung Ah Lee†, Geumbi Na†, Chi-Yeong Ah, Jae Myeong Lee, Dae Hyun Lee, Min Seok Gi, Kyungbeen Yeom, Ji Eun Park*, Changsoon Choi*, Yung-Eun Sung*, "Realizing breakthrough round-trip efficiency of anion-exchange membrane unitized regerative fuel cells double-layer oxygen electrode with carbon nanotube skeleton", ACS Catalysis (IF=13.1), 2025, 15(15) 13216-13225 (Co-corresponding author).  

42. Ga Young Jang†, Sun Young Kang†, Hee Ji Choi†, Geumbi Na, Ho Sung Choi, Ji Eun Park, Ok-Hee Kim*, Yong-Hun Cho*, Yung-Eun Sung*, "Graphitic Carbon Nitride-Based Metal-Free Bifunctional Electrocatalysts for Anion Exchange Membrane Water Electrolyzer", Journal of Electroanalytical Chemistry (IF=4.1), 2025, 987, 119111 (Co-author).

41. Jae Myeong Lee, Gichan Jeon, Wonkyeong Son, Sungwoo Chun, Duri Han, Hocheol Gwac, Jae Won Kim, Hyeon Jun Sim, Young-Kwan Kim, Ji Eun Park, Jungjin Park, Yung-Eun Sung, Seon Jeong Kim, Changsoon Choi, Leveraging Inter-Bundle Anchoring Effect to Induce Static and Dynamic Twist-Stability in Multifunctional Carbon Nanotube Coiled Yarn Hydro-Actuators, Advanced Functional Materials (IF-19), 2025, 2412397 (Co-author).

40. Sun Young Kang†, Ji Eun Park†, Ok-Hee Kim†, Hyukjae Choi, Hosung Choi, Hee Ji Choi, Gyusik Chae, Dae Hyun Lee, Yong-Hun Cho*, Gilho Kim*, Yung-Eun Sung*, "Highly Stable Porous Nickel-Iron (Oxy)hydroxide Layer Electro-deposited on Nickel Foam as Anodes for Anion Exchange Membrane Water Electrolyzer", ACS Applied Energy Materials (IF=5.5), 2025, 8(4) 2567-2575 (Co-1st author).

39. Kyung Ah Lee, Gyu Seong Yi, SungBin Park, Hosung Choi, Junha Kim, Ji Eun Park*, Yung-Eun Sung*, "Investigation of Membrane-Electrode Assembly Parameters for Double-Layer Anion-Exchange Membrane-Unitized Regenerative Fuel Cell" Journal of Industrial and Engineering Chemistry (IF=6.0), 2025, 144, 487-495  (Co-Corresponding author)

38. Ji Eun Park†, Hyuck Jae Choi†, Hee Ji Choi†, Geumbi Na, SungBin Park, Kyung Ah Lee, Kyungbeen Yeom, Yong-Hun Cho*, Yung-Eun Sung, "Highly Efficient Oxygen Electrode Design for Anion-Exchange Membrane-Unitized Regenerative Fuel Cells" Journal of Electrochemical Science and Technology (IF=2.2), 2025, 16(1) 71-82 (Co-1st author).

2024

37. Hyo Eun Bae†, Ji Eun Park†, T. B. Ngoc Huynh, Jihydok Song, Sung Ki Cho, Yung-Eun Sung, Yong-Hun Cho, Oh Joong Kwon, "A High-durability Palladium Catalysts for Oxygen Reduction Reaction in an Alkaline Environment", Journal of Materials Chemistry A (IF=9.5), 2024, 12, 31467-31479 (Co-1st author)

36. Kyungbeen Yeom, Sungeun Heo, Yoojin Shin, Ju Wan Kim, Ji Eun Park*, Yung-Eun Sung*, Changsoon Choi*, " Hierarchical Mesh-type Oxygen Electrode Using Carbon Nanotube Framework for Anion-Exchange Membrane Unitized Regenerative Fuel Cells" Chemical Engineering Journal (IF=13.2), 2024, 492, 152256 (Co-Corresponding author)

35. Geumbi Na†, Wonchan Hwang†, Heejong Shin†, Subin Park, Ji Eun Park, Jongmin Lee, Yoojin Shin, Hosung Choi, Jaehyuk Shim, Kyungbeen Yeom, Yung-Eun Sung*, "Durable and Active Nitrogen-Coordinated Iron Single-Atom Catalyst for Proton Exchange Membrane Fuel Cells Throuhg Carbon Encapsulation, Advanced Energy Materials (IF=26), 2024, 2400565 (Co-author)

34. Kyungbeen Yeom†, Jinwoong Jo†, Heejong Shin, Hyunsoo Ji, Sungjin Moon, Ji Eun Park, Seongbeom Lee, Jaehyuk Shim, Dong Hyeon Mok, Megalamane S. Bootharaju, Seoin Back*, Tadghwan Hyeon*, Yung-Eun Sung*, "Unraveling Surface Reconstruction During Oxygen Evolution Reaction on the Defined Spinel Oxide Surface", Advanced Functional Materials (IF=19), 2024, 2401095 (Co author)

2023

33. Ji Eun Park†, Geumbi Na, Kyungbeen Yeom, SungBin Park, Hyeon Jun Shim, Yung-Eun Sung*, Changsoon Choi*, "Pore-Controlled Carbon Nanotube Sheet Anodes for Proton/Anion-Exchange Membrane Water Electrolyzers" Chemical Engineering Journal (IF=13.2), 2023, 459, 141671 (1st author)

32. Sun Young Kang†, Ji Eun Park†, Ga Young Jang, Changsoon Choi, Yong-Hun Cho, Yung-Eun Sung, "Directly Coated Anode Design Using Iridium Nickel Oxide for High-Performance Proton-Exchange Membrane Water Electrolyzers" Advanced Materials Interface (IF=4.4), 2023, 10, 2202406 (Co-1st author).

31. SungBin Park†, Ji Eun Park†, Geumbi Na, Changsoon Choi, Young-Hun Cho, Yung-Eun Sung, "Low-Cost and High-Performance Anion-Exchange Membrane Water Electrolysis Stack Using Non-Noble Metal-Based Materials, ACS Applied Energy Materials (IF=5.5), 2023, 6, 8738-8748 (Co-1st author).

30. Sagn-Woo Jo, Ji Eun Park, Hwan Yeop Jeong, Miguhn Yuk, Soonyong So, Duk Man Yu, Jung-Kyu Jang, Hee-Tak Kim, Yong-Hun Cho, Tae-Ho Kim, "Multiblock Copolymers with Disulfonated Bis(phenylslulfonylphenyl) Sulfone Group for Polymer Electrolyte Membrane Water Electrolysis" Journal of Power Sources (IF=7.9), 2023, 580, 233363 (Co author).

2022

29. Su Min Ahn†, Ji Eun Park†, Ga Young Jang, Hwan Yeop Jeong, Duk Man Yu, Jung-Kyu Jang, Jong-Chan Lee, Yong-Hun Cho, Tae-Ho Kim, "Highly Sulfonated Aromatic Graft Polymer With Very High Proton Conductivity and Low Hydrogen Permeability for Water Electrolysis, ACS Energy Letters (IF=18.2), 2022, 7, 4427-4435 (Co-1st author).

28. Ji Eun Park†, SungBin Park†, Mi-Ju Kim, Heejong Shin, Sun Young Kang, Yong-Hun Cho*, Yung-Eun Sung*, "Three-Dimensional Unified Electrode Design Using a NiFeOOH Catalyst for Superior Performance and Durable Anion-Exchange Membrane Water Electrolyzers" ACS Catalysis (IF=13.1), 2022, 12, 135-145 (Co-1st author).

27. Ji Eun Park, Yung-Eun Sung*, Changsoon Choi*, "Hierarchically Porous, Biaxially Woven Carbon Nanotube Sheet Arrays for Next-Generation Anion-Exchange Membrane Water Electrolyzers" Journal of Materials Chemistry A (IF=9.5), 2022, 10, 20517-20524 (1st author).

26. Min Sun Cha†, Ji Eun Park†, Sungjun Kim†, Sang-Hun Shin, Seok Hwan Yang, Seung Jae Lee, Tae-Ho Kim, Duk Man Yu, Soonyong So, Kang Min Oh, Yung-Eun Sung, Yong-Hun Cho*, Jang Yong Lee*, "Oligomeric Chain Extender-Derived Anion Conducting Membrane Materials with Poly(p-phenylene)-Based Architecture for Fuel Cells and Water Electrolyzers" Journal of Materials Chemistry A (IF=9.5), 2022, 10, 9693-9706 (Co-1st author).

25. Sun Young Kang, Ji Eun Park†, Ga Young Jang, Ok-Hee Kim, Oh Joong Kwon, Yong-Hun Cho*, Yung-Eun Sung*, "High-Performance and Durable Water Electrolysis Using a Highly Conductive and Stable Anion-Exchange Membrane" International Journal of Hydrogen Energy (IF=8.3), 2022, 47, 9115-9129 (Co-1st author).

24. Ji Eun Park†, Hyo Eun Bae†, Mohanraju Karuppannan, Kang Min Oh, Oh Joong Kwon, Yong-Hun Cho*, Yung-Eun Sung*, "Effect of Catalyst Layer Desings for High-Performance and Durable Anion-Exchange Membrane Water Electrolysis" Journal of Industrial and Engineering Chemistry (IF=6.0), 2022, 109, 453-460 (Co-1st author).

23. Ji Eun Park†, Hee Ji Choi†, Sun Young Kang, Ga Young Jang, Ok-Hee Kim, Mahanraju Karuppannan, Yung-Eun Sung, Oh Joong Kwon*, Yong-Hun Cho*, "Effect of Pore Structures in Nickel-Based Porous Transport Layers for High-Performance and Durable Anion-Exchange Membrane Water Electrolysis" International Journal of Energy Research (IF=4.672), 2022, 46, 16670-16678 (Co-1st author).

22. Ok-Hee Kim, Hee Ji Choi, Sun Young Kang, Ga Young Jang, Mohanraju Karupannan, Ji Eun Park, Yung-Eun Sung, Oh Joong Kwon*, Yong-Hun Cho*, "Acheiving Outstanding Performance of Direct Urea Fuel Cells Through Optimization of Anode Catalyst Layer and Operating Conditions" Journal of Electroanalytical Chemistry (IF=4.2),     2022, 921, 116661 (Co-author).

2021

21. Chi-Yeong Ahn†, Ji Eun Park†, Sungjun Kim†, Ok-Hee Kim†, Wonchan Hwang, Min Her, Sun Young Kang, SungBin Park, Oh Joong Kwon, Hyun S. Park, Yong-Hun Cho*, Yung-Eun Sung*, "Differences in the Electrochemical Performance of Pt-Based Catalysts Used for Polymer Electrolyte Membrane Fuel Cells in Liquis Half- and Full-Cells, Chemical Reviews (IF=55.8), 2021, 121, 15075-15140 (Co-1st author).

20. Ji Eun Park†, Junghwan Kim†, Jusung Han, Kihyun Kim, SungBin Park, Sungjun Kim, Hyun S. Park, Yong-Hun Cho, Jong-Chan Lee*, Yung-Eun Sung*, "High-Performance Proton-Exchange Membrane Water Electrolysis Using a Sulfonated Poly(Arylene Ether Sulfone) Membrane and Ionomer" Journal of Membrane Science (IF= 9.0) 2021, 620, 118871 (Co-1st author). 

2020

19. Min Suc Cha†, Ji Eun Park†, Sungjun Kim†, Seung-Hui Han, Sang-Hun Shin, Seok Hwan Yang, Tae-Ho Kim, Duk Man Yu, Soonyong So, Yong-Taik Hong, Sang Jun Yoon, Seong-Geun Oh, Sun Young Kang, Ok-Hee Kim, Hyun S. Park, Byungchan Bae, Yung-Eun Sung*, Yong-Hun Cho*, Jang Yong Lee*, "Poly(carbaole)-Based Anion-Conducting Materials with High Performance and Durability for Energy Conversion Devices" Energy Environmental Science (IF=32.5) 2020, 13, 3633-3645 (Co-1st author).

18. Mohanraju Karuppannan†, Ji Eun Park†, Hyo Eun Bae, Yong-Hun Cho*, Oh Joong Kwon*, "A Nitrogen and Flourine Enriched Fe/Fe3C@C Oxygen Reduction Reaction Electrocatalyst for Anion/Proton Exchange Membrane Feul Cells" Nanoscale (IF=6.7) 2020, 12, 2542-2554 (Co-1st author).

17. Hyunjoon Lee†, Ji Eun Park†, Ok-Hee Kim, Wonchan Hwang, Hee Ji Choi, Jae Choon Yang, Chi-Yeong Ahn, Myung Su Lim, Insoo Choi, Yong-Hun Cho*, Yung-Eun Sung*, "Boosting Electrochemical Stability of Ultralow-Pt Nanoparticle with Matryoshka-like Structure in Polymer Electrolyte Membrane Fuel Cells" Applied Catalysis B: Environmental (IF=22.1) 2020, 268, 118450 (Co-1st author).

16. Mi-Ju Kim, Sungjun Kim, Ji Eun Park, Chan-Cuk Hwang, Seungyeong Lee, Sun Young Kang, Daesung Jung, Yong-Hun Cho, Jaekook Kim*, Kuk-Seung Lee*, Yung-Eun Sung*, "Controlling Active Sites of Fe-N-C Electrocatalysts for Oxygen Electrocatalysis, Nano Energy (IF=17.6), 2020, 78, 105395 (Co-author).

2019

15. Ji Eun Park, Sungjun Kim, Ok-Hee Kim, Chi-Yeong Ahn, Mi-Ju Kim, Sun Young Kang, Tae Il Jeon, Jae-Goo Shim, Dong Woog Lee, Ji Hyun Lee, Yong-Hun Cho, Yung-Eun Sung, "Ultra-low loading IrO2 with an inverse-opal structure in a polymer exchange membrane water Electrolysis" Nano Energy (IF=17.6), 2019, 58, 158-166 (1st author). 

14. Mi-Ju Kim†, Ji Eun Park†, Sungjun Kim, Myung Su Lim, Aihua Jin, Ok-Hee Kim, Min Jeong Kim, Kug-Seung Lee, Jinsoo Kim, Seung-Soo Kim, Yong-Hun Cho, Yung-Eun Sung, "Biomass-Derived Air Cathode Materials: Pore-Controlled S,N-Co-Doped Carbon for Fuel Cells and Metal-Air Batteries" ACS Catalysis (IF=12.9), 2019, 9, 3389-3398 (Co-1st author).

13. Ji Eun Park†, Wonchan Hwang†, Myung Su Lim, Sungjun Kim, Chi-Yeong Ahn, Ok-Hee Kim, Jae-Goo Shim, Dong Woog Lee, Ji Hyun Lee, Yong-Hun Cho, Yung-Eun Sung, "Achieving Breakthrough Performance Caused by Optimized Metal Foam Flow Field in Fuel Cells" International Journal of Hydrogen Energy (IF=7.2), 2019, 44, 22074-22084 (Co-1st author).

12. Ji Eun Park†, Jongkoo Lim†, Myung Su Lim, Sungjun Kim, Ok-Hee Kim, Dong Woog Lee, Ji Hyun Lee, Yong-Hun Cho, Yung-Eun Sung, "Gas Diffusion Layer/Flow-Field Unified Membrane-Electrode Assembly in Fuel Cell Using Graphene Foem" Electrochimica Acta (IF=6.6), 2019, 323, 134808 (Co-1st author).

11. Ji Eun Park†, Sun Young Kang†, Seung-Hyeon Oh, Jong Kwan Kim, Myung Su Lim, Chi-Yeong Ahn, Yong-Hun Cho, Yung-Eun Sung, "High-Performance Anion-Exchange Membrane Water Electrolysis" Electrochimica Acta (IF=6.6), 2019, 295, 99-106 (Co-1st author).

10. Ji Eun Park†, Mohanraju Karuppannan†, Oh Joong Kwon, Yong-Hun Cho, Yung-Eun Sung, "Development of high-performance membrane-electrode assembly in unitized regenerative fuel cells" Journal of Industrial and Engineering Chemistry (IF=6.1), 2019, 80, 527-534 (Co-1st author).

9. Ji Eun Park†, Myung Su Lim†, Jong Kwan Kim, Hee Ji Choi, Yung-Eun Sung, Yong-Hun Cho, "Optimization of cell components and operating conditions in primary and rechargeable zinc-air battery" Journal of Industrial and Engineering Chemistry (IF=6.1), 2019, 69, 161-170 (Co-1st author).

8. Ji Eun Park†, Hyunjoon Lee†, Seung-Hyeon Oh, Sun Young Kang, Insoo Choi, Yong-Hun Cho, Yung-Eun Sung, "Electrodeposited mesh-type dimensionally stable anode for oxygen evolution reaction in acidic and alkaline media", Chemical Engineering Science (IF=4.7), 2019, 206, 424-431 (Co-1st author).

2018

7. Ji Eun Park†, Mi-Ju Kim†, Myung Su Lim, Sun Young Kang, Jong Kwan Kim, Seung-Hyeon Oh, Min Her, Yong-Hun Cho, Yung-Eun Sung, "Graphitic Carbon Nitride-Carbon Nanofiber as Oxygen Catalyst in Anion-Exchange Membrane Water Electrolyzer and Rechargeable Metal-Air Cells, Applied Catalysis B: Environmental (IF=22.1), 2018, 237, 140-148 (Co-1st author).

6. Ji Eun Park†, Jongkoo Lim†, Sungjun Kim, Insoo Choi, Chi-Yeong Ahn, Wonchan Hwang, Myung Su Lim, Yong-Hun Cho, Yung-Eun Sung, "Enhancement of Mass Transport in Fuel Cells Using Three-dimensional Graphene Foam as Flow Field" Electrochimica Acta (IF=6.6), 2018, 265, 488-496 (Co-1st author).

5. Chi-Yeong Ahn, Wonchan Hwang, Hyunjoon Lee, Sungjun Kim, Ji Eun Park, Ok-Hee Kim, Min Her, Yong-Hun Cho, Yung-Eun Sung, "Effect of N-doped Carbon Coatinigs on the Durability of Highly Loaded Platinum and Alloy Catalysts with Different Carbon Supports for Polymer Electrolyte Membrane Fuel Cells" International Journal of Hydrogen Energy (IF=7.2), 2018, 43, 10070-10081 (Co-author)

4. Mihwa Choi, Jong Kwan Kim, Jungsuk Kim, Seugran Yang, Ji Eun Park, Ok-Hee Kim, Yong-Hun Cho, "PtRu/C Catalyst Slurry Preparation for Large-scale Decal Transfer with High Performance of Proton Exchange Membrane Fuel Cells, RSC Advances (IF=3.9) 2018, 63, 36313-36322 (Co-author).  

2017

3. Sungjun Kim†, Ji Eun Park†, Wonchan Hwang, Yong-Hun Cho*, Yung-Eun Sung*, "A Hierarchical Cathode Catalyst Layer Architecture for Improving the Performance of Direct Methanol Fuel Cell", Applied Catalysis B: Environmental (IF=22.1), 2017, 209. 91-97 (Co-1st author).

2. Chi-Yeong Ahn, Myung Soo Lim, Wonchan Hwang, Sungjun Kim, Ji Eun Park, Jonggu Lim, Insoo Choi, Yong-Hun Cho*, Yung-Eun Sung*, "Effect of Porous Metal Flow Field in Polymer Electrolyte Membrane Fuel Cell Under Pressurized Condition" Fuel Cells (IF: 2.8) 2017, 17, 652-661 (Co-author).  

2015

1. Ok-Hee Kim, Yong-Hun Cho, Dong Young Chung, Min Jeong Kim, Ji Mun Yoo, Ji Eun Park, Heeman Choe*, Yung-Eun Sung*, "Facile and Gram-scale Synthesis of Metal-free Catalysts: Toward Realistic Applications for Fuel Cells, Scientific Reports (IF=4.6), 2015, 5, 8376 (Co-author)