Publications

[35] Boron and Nitrogen Bridged Mn Single-Atom Catalyst for Highly Efficient Nitrogen Electroreduction to Ammonia, Hansaem Choi, Siraj Sultan, Mohammed Zafari, Aram Yoon, Hojeong Lee, Miran Ha, Beomgyun Jeong, HyungKuk Ju, Hyung Chul Yoon, Kwang S. Kim, Zonghoon Lee*, Geunsik Lee*, Youngkook Kwon*, Small (2025)  e07387, IF 12.1, 7.45% in PHYSICS, APPLIED.

https://onlinelibrary.wiley.com/doi/10.1002/smll.202507387

[34] A Review on Intermediate Temperature Electrochemical Synthesis of Ammonia, Gurpreet Kaur, Haijin Zhu, Dattatray S. Dhawale, HyungKuk Ju, Saheli Biswas, Jae Hyung Kim, Hyung Chul Yoon, Sarbjit Giddey,* Applied Energy 393 (2025) 126092, IF 10.1, 6.47% in ENGINEERING, CHEMICAL.

https://doi.org/10.1016/j.apenergy.2025.126092 

[33] Synthesis of 2D nanosheet FePS₃ electrocatalyst via salt-template method for electrochemical green ammonia production, HyungKuk Ju, Giancarlo Dominador Sanglay,  Sooan Bae, Mokyeon Cho, Joey D. Ocon, Beomgyun Jeong, Sungyool Bong,* Jaeyoung Lee,* Journal of Electrochemical Science and Technology, 16 (2025) 180-187. IF 2.2. (First author)

 https://doi.org/10.33961/jecst.2024.00885  

[32] Challenge and Opportunity in Scaling-Up Hydrogen Production via Electrochemical Ammonia Electrolysis Process, HyungKuk Ju, Donghyun Yoon, Sungyool Bong,* Jaeyoung Lee,* Current opinion in Electrochemistry, 49 (2025) 101609, IF 7.9, 20% in ELECTROCHEMISTRY. (First author)

https://doi.org/10.1016/j.coelec.2024.101609 

[31] Perfluorinated sulfonic acid ionomer degradation after a combined chemical and mechanical accelerated stress test to evaluate membrane durability for polymer electrolyte fuel cells, Sichan Lee, Jeongung Nam, Juhee Ahn, Seohyun Yoon, Sung Cheul Jeong, HyungKuk Ju,* Chang Hyun Lee,* International Journal of Hydrogen Energy, 96 (2024) 333-342. IF 8.1, 13.3% in ELECTROCHEMISTRY. (Co-corresponding author)

https://doi.org/10.1016/j.ijhydene.2024.11.319 

[30] Scalable green ammonia synthesis on the modified crystal structure of Cu3PS4 electrocatalyst, Mokyeon Cho,1 HyungKuk Ju,1  Sooan Bae, Sungyool Bong,* Jaeyoung Lee,* Electrochimica Acta, 507 (2024) 145166. IF 5.5, 24.4% in ELECTROCHEMISTRY. (Co-first author)

https://doi.org/10.1016/j.electacta.2024.145166 

[29] Utilizing water as a proton source for sustainable Li-mediated electrochemical ammonia synthesis, Jae Hyung Kim,1 Jung-Eun Cha,1 HyungKuk Ju, Young-Woo Choi,* Jiyeon Baek, Justin Georg Albers, Joonmok Shim, Sun Hyung Kim, Kyungho Lee, Hyung Chul Yoon,* Chemical Engineering Journal, 497 (2024) 154644, IF 13.3, 3.7% in ENGINEERING, ENVIRONMENTAL. 

https://doi.org/10.1016/j.cej.2024.154644 

[28] BaCeO3 perovskite-incorporated Co catalyst for efficient NH3 synthesis under mild conditions, Rayoon Woo,1 Kyungho Lee,1 Byeong-Seon An, Sun Hyung Kim, HyungKuk Ju, Jae Hyung Kim, Joonmok Shim, Hee-Tae Beum, Kanghee Cho, Youn-Sang Bae,* Hyung Chul Yoon,* Chemical Engineering Journal, 475 (2023) 146354, IF 13.3, 3.7% in ENGINEERING, ENVIRONMENTAL. 

https://doi.org/10.1016/j.cej.2023.146354 

[27] Copper with an atomic-scale spacing for efficient electrocatalytic co-reduction of carbon dioxide and nitrate to urea, Seokmin Shin,1 Siraj Sultan,1 Zong-Xian Chen, Hojeong Lee, Hansaem Choi, Tae-Ung Wi, Changhyun Park, Tae Won Kim, Chanhee Lee, Jihong Jeong, Hyeju Shin, Tae-Hee Kim, HyungKuk Ju, Hyung-Chul Yoon, Hyun-Kon Song,* Hyun-Wook Lee,* Mu-Jeng Cheng,* Youngkook Kwon,* Energy Environ. Sci., 16 (2023) 2003-2013, IF 32.4, 0.55% in ENVIRONMENTAL SCIENCES. 

https://doi.org/10.1039/D3EE00008G 

[26] Local Proton Source Enhanced Nitrogen Reduction on a Combined Cobalt-Molybdenum Catalyst for Electrochemical Ammonia Synthesis, Sunki Chung, HyungKuk Ju, Minjun Choi, Donghyun Yoon, Jaeyoung Lee,* Angew. Chem. Int. Ed., 61 (2022) e202212676, IF 16.1, 5.65% in CHEMISTRY, MULTIDISCIPLINARY [뉴스핌] [전자신문]

 https://doi.org/10.1002/anie.202212676 

[25] Green ammonia synthesis using CeO2/RuO2 nanolayers on vertical graphene catalyst via electrochemical route in alkaline electrolyte, HyungKuk Ju*,1 Dong Han Seo*,1 Xin Mao, Sunki Chung, Byeong-Seon An, Mustafa Musameh, Thomas R. Gengenbach, Hokyong Shon, Aijun Du, Avi Bendavid, Kostya Ostrikov, Hyung Chul Yoon, Jaeyoung Lee and Sarbjit Giddey, Nanoscale 14 (2022) 1395-1408, IF 5.8, 18.4% inPHYSICS, APPLIED. (Co-first author & Co-corresponding author) 

https://doi.org/10.1039/D1NR06411H 

[23] Selective conversion of N2 to NH3 on highly dispersed RuO2 using amphiphilic ionic liquid-anchored fibrous carbon structure, Kahyun Ham,1 Muhammad Salman,1 Sunki Chung,1 Minjun Choi, HyungKuk Ju,* Hye Jin Lee,* Jaeyoung Lee,* Journal of Energy Chemistry 67 (2022) 474-482, IF 14, 3.5% in ENGINEERING, CHEMICAL. (Co-corresponding author) [전자신문] [경북신문]

 https://doi.org/10.1016/j.jechem.2021.09.004 

[22] Comparison between Fe2O3/C and Fe3C/Fe2O3/Fe/C electrocatalysts for N2 reduction in alkaline electrolyte, Ji Hye Kim,1 HyungKuk Ju,1 Byeong-Seon An, Yena An, Kanghee Cho, Sun Hyung Kim, Youn Sang Bae,* Hyung Chul Yoon,* ACS Applied Materials & Interfaces 13 (2021) 61316-61323, IF 8.3, 14.38% in MATERIALS SCIENCE, MULTIDISCIPLINARY. (Co-first author) 

https://doi.org/10.1021/acsami.1c20807 

[21] Rhodium-molybdenum oxide electrocatalyst with dual active sites for electrochemical ammonia synthesis under neutral pH condition, Sunki Chung, Dong Han Seo, Minjun Choi, Xin Mao, Aijun Du, Kahyun Ham, Sarbjit Giddey, Jaeyoung Lee,* HyungKuk Ju,* Journal of Electroanalytical Chemistry 896 (2021) 115157. IF 4.1, 26.66% in ELECTROCHEMISTRY. (Co-corresponding author)

 https://doi.org/10.1016/j.jelechem.2021.115157 

[20] Insights into nitrogenase bioelectrocatalysis for green ammonia production, Trevor Rapson,* Christina Gregg, Robert Allen, HyungKuk Ju,* Cara Doherty, Xavier Mulet, Sarb Giddey,* Craig Wood,* ChemSusChem, 13 (2020) 4856-5865. IF 7.5, 20.77% in CHEMISTRY, MULTIDISCIPLINARY. (Co-corresponding author) [Green Car Congress]

 https://doi.org/10.1002/cssc.202001433 

[19] Enhanced corrosion tolerance and highly durable ORR activity by low Pt electrocatalyst on unique pore structured CNF in PEM fuel cell, Sunki Chung, Kahyun Ham, Sinwoo Kang, HyungKuk Ju,* Jaeyoung Lee,* Electrochimica Acta, 348 (2020) 136346. IF 5.5, 24.44% in ELECTROCHEMISTRY. (Co-corresponding author)

 https://doi.org/10.1016/j.electacta.2020.136346

[18] Engineering a solid-state metalloprotein hydrogen evolution catalyst, Trevor D. Rapson,1*, HyungKuk Ju,1 Paul Marshall, Rosangela Devilla, Colin J. Jackson, Sarbjit Giddey, Tara D. Sutherland, Scientific Reports, 10 (2020) 3774. IF 3.8. *Most downloaded Top 100 in Chemistry paper. (Co-first author)

 https://www.nature.com/articles/s41598-020-60730-y 

[17] Challenges and trends in developing technology for electrochemically reducing CO2 in solid polymer electrolyte membrane reactors, HyungKuk Ju,* Gurpreet Kaur, Aniruddha Kulkarni, Sarbjit Giddey, Journal of CO2 Utilization, 32 (2019) 178-186. (First author & Corresponding author) 

https://doi.org/10.1016/j.jcou.2019.04.003 

[16] A comprehensive review of carbon and hydrocarbon assisted water electrolysis for hydrogen production, HyungKuk Ju, Sukhvinder PS Badwal, Sarbjit Giddey,* Applied Energy, 231 (2018) 502-533. (First author)

https://doi.org/10.1016/j.apenergy.2018.09.125

[15] Role of iron species as mediator in a PEM based carbon-water co-electrolysis for cost-effective hydrogen production, HyungKuk Ju,* Sarbjit Giddey, and Sukhvinder PS Badwal, Int. J. Hydrogen Energy, 43 (2018) 9144-9152. (First author & Corresponding author) 

https://doi.org/10.1016/j.ijhydene.2018.03.195 

[14] Methanol-water co-electrolysis for sustainable hydrogen production with PtRu/C-SnO2 electro-catalyst, HyungKuk Ju,* Sarbjit Giddey, Sukhvinder PS Badwal, Roger J. Mulder, and Thomas R. Gengenbach, Ionics, 24(2018) 2367-2378. (First author & Corresponding author) 

https://link.springer.com/article/10.1007/s11581-017-2371-8 

[13] The role of nanosized SnO2 in Pt-based electrocatalysts for hydrogen production in methanol assisted water electrolysis, HyungKuk Ju, Sarbjit Giddey, and Sukhvinder PS Badwal,* Electrochimica Acta, 2229 (2017) 39-47. (First author) 

https://doi.org/10.1016/j.electacta.2017.01.106 

[12] Influence of the mediating behaviour of Sn according to its particle size on a Ni/yttria-stabilised zirconia porous anode structure in a direct carbon fuel cell, Hansaem Jang, Jiyoung Eom, HyungKuk Ju, and Jaeyoung Lee,* RSC Advances, 6 (2016) 109036-109044. 

https://doi.org/10.1039/C6RA20790A

[11] Electro-catalytic conversion of ethanol in solid electrolyte cells for distributed hydrogen generation, HyungKuk Ju, Sarbjit Giddey, Sukhvinder PS Badwal,* Roger J Mulder, Electrochimica Acta, 212 (2016) 744-757. (First author)

https://doi.org/10.1016/j.electacta.2016.07.062 

[10] Ameliorated performance in a direct carbon fuel cell using Sn mediator on Ni–YSZ anode surface, Hansaem Jang, Jiyoung Eom, HyungKuk Ju, and Jaeyoung Lee,* Catalysis Today, 260 (2016) 158-164. 

https://doi.org/10.1016/j.cattod.2015.06.013 

[4] Direct Ammonia Fuel Cells for Carbon-Free Energy Conversion, Namjin Kim and HyungKuk Ju*, 무탄소 에너지 전환을 위한 직접 암모니아 연료전지, 김남진, 주형국*, Journal of the Korean Electrochemical Society, 28 (2025) 65-74. (교신저자)
https://doi.org/10.5229/JKES.2025.28.3.65

[3] 전기화학적 청정 암모니아 합성의 기회와 도전, 주형국*, 봉성율, KIC News, 27 (2024) 1-10. (제1저자+교신저자)

https://www.ksiec.or.kr/ebook/ecatalog5.php?catimage=&&callmode=&eclang=ko&Dir=152&start=a0

[2] Safety risk management of ammonia to scale-up hydrogen production for transport and storage, 수송/저장용 수소 생산 확대를 위한 암모니아의 안전 위험 관리 표준 동향, HyungKuk Ju, Hyeokjoo Lee, Chang Hyun Lee, Sungyool Bong, Journal of Surface Science and Engineering, 56 (2023) 371-379. 한국표면공학회지.  (제1저자)

https://www.kci.go.kr/kciportal/ci/sereArticleSearch/ciSereArtiView.kci?sereArticleSearchBean.artiId=ART003027781

[1] Understanding Thermodynamics of Operating Voltage and Efficiency in PEM Water Electrolysis System for Carbon Neutrality and Green Hydrogen Energy Transition, 탄소중립과 그린 수소에너지 전환을 위한 PEM 수전해 시스템에서 작동 전압 및 효율의 열역학적 이해, Journal of the Korean Electrochemical Society, 26 (2023) 56-63. 전기화학회지. (제1저자+교신저자)

https://www.kecs.or.kr/journal/JKES_view.php?number=1365

[3] Sarbjit Giddey*, Sukhvinder Badwal, and HyungKuk Ju, Polymer electrolyte membrane technologies integrated with renewable energy for hydrogen production – in: Current Trends and Future Developments on (Bio-) Membranes, 1st Edition, Renewable Energy Integrated with Membrane (ed. A. Cassano, A. Figoli, and A. Basile), p235-259, Elsevier 21 September 2018, Invited.

https://doi.org/10.1016/B978-0-12-813545-7.00010-6

[2] Sukhvinder Badwal*, Aniruddha Kulkarni, HyungKuk Ju, and Sarbjit Giddey, Solar fuels – in: Electrochemical Science for a Sustainable Society: A Tribute to J.O’M Bockris (ed. Kohei Uosaki), p223-259, Springer 17 June 2017. Invited.

https://doi.org/10.1007/978-3-319-57310-6_10

[1] Sukhvinder Badwal*, HyungKuk Ju, Sarbjit Giddey, and Aniruddha Kulkarni, Direct Carbon Fuel Cells – in: Encyclopedia of Sustainable Technologies (ed. M.A Abraham), pp 317-329, Elsevier 14 July 2017. Invited.

https://doi.org/10.1016/B978-0-12-409548-9.10119-8

[2] CSIRO Hydrogen to Ammonia R&D Project, Sarbjit Giddey, Chris Munnings, Aniruddha P Kulkarni, HyungKuk Ju, Gary Paul, Louis Wibberley, Renata Lippi, David Alexander, Woo Jin Lee, Thuy Huynh, Scott Barnes, Ben Muir, Geoff Brent, Greg Conroy, Mark Rayson, 2020.07 

https://arena.gov.au/knowledge-bank/csiro-hydrogen-to-ammonia-july-2020/

[1] CSIRO Solid oxide electrolysis: Liquid fuels R&D Project, Aniruddha P Kulkarni, Daniel Fini, Gurpreet Kaur, Gary Paul, HyungKuk Ju, Sarbjit Giddey, John Lasich, Kristian Grayson, Luke Luisman, Peter Ellis, Scott Barnett, Michael Van Barley, 2020. 

https://arena.gov.au/assets/2021/03/csiro-midterm-activity-report-liquid-fuels.pdf

[1] 암모니아 흡착용 금속 첨착 활성탄, 이의제조 방법, 및 이의 용도, 윤형철, 이광복, 박지혜, 조강희, 한상섭, 김선형, 주형국, 범희태, 출원인: 한국에너지기술연구원, 등록번호: 10-2311550 (2023.10.05), 출원번호: 10-2021-0041475 (2021.03.30.), South Korea (열촉매 저온‧저압 암모니아 합성)

[2] 질소 나노버블 질소 나노버블 스파저를 이용한 전기화학적 암모니아 합성방법 및 전기화학적 암모니아 합성장치, 윤형철, 주형국, 조강희, 김선형, 범희태, 김지혜, 출원인: 한국에너지기술연구원, 등록번호: 10-2510919 (2023.03.13), 출원번호: 10-2020-0186101 (2020.12.29), South Korea (전기화학적 암모니아 합성)

[3] 암모니아 분해 반응을 이용한 연소 시스템, 윤형철, 정운호, 장진영, 우영민, 조강희, 김선형, 주형국, 출원인: 한국에너지기술연구원, 등록번호: 10-2483101 (2022.12.27), 출원번호: 10-2020-0185163 (2020.12.28), South Korea (암모니아 분해)

[4] 배기가스 분해를 위한 분해 촉진제 조성물 및 이를 이용한 배기가스 처리 방법, 윤형철, 조강희, 김선형, 주형국, 출원인: 한국에너지기술연구원, 등록번호: 10-2237217 (2021.04.01.), 출원번호: 10-2020-0165658 (2020.12.01), South Korea (NOx 제거)

[5] 저농도 암모니아의 농축 또는 제거를 위한 금속 첨착 활성탄의 제조 방법, 윤형철, 이광복, 범희태, 조강희, 김선형, 한상섭, 주형국, 박지혜, 출원인: 한국에너지기술연구원, 등록번호: 10-2311550 (2021.10.05.), 출원번호: 10-2021-0041475 (2021.03.30.), South Korea.

[6] Metal-air fuel cell based on solid oxide electrolyte employing metal nanoparticle as fuel, Jaeyoung Lee, HyungKuk Ju, Jae Kwang Lee, Jin Won Kim, Patent number: US 9843079 B2 (12Dec2017) / Application number: US 13933816 (2Jul2013), United States. (SOFC 연료전지)

https://patents.google.com/patent/US9843079B2/

[7] Liquid drum type fuel cell-metal recovery apparatus, Jaeyoung Lee, HyungKuk Ju, Jae Kwang Lee, Patent number: US 9577277 B2 (21Feb2017) / Application number: US 14/451,543 (12Feb2015), United States. (SOFC 연료전지)

https://patents.google.com/patent/US9577277B2/ 

[8] 액체 드럼형 연료전지-금속 회수 장치, Jaeyoung Lee, HyungKuk Ju, Jae Kwang Lee, Patent number: 10-1461135 (6Nov2014) / Application number: 10-2013-0094379 (8Aug2013), South Korea. (SOFC+금속회수)

https://patents.google.com/patent/KR101461135B1/ 

[9] 나노코팅 입자 제조를 위한 유동층 원자층 증착 장치, Jaeyoung Lee, Sang Ho Chung, HyungKuk Ju, Jae Kwang Lee, Patent number: 10-1541361 (28July2015) / Application number: 10-2013-0082895 (15Jul2013), South Korea. (원자층 증착)

https://patents.google.com/patent/KR101541361B1/ 

[10] 직접탄소 연료전지용 막-전극 접합체, 이를 포함하는 직접탄소 연료전지, 및 이의 제조방법, Jaeyoung Lee, HyungKuk Ju, Jiyoung Eom, Jae Kwang Lee, Patent number: 10-1647294 (4Aug2016) / Application number: 10-2013-0061266 (29May2013), South Korea. (SOFC 연료전지)

https://patents.google.com/patent/KR20140140422A/ 

[11] Membrane-electrolyte assembly, direct carbon fuel cell comprising the same, and the preparation thereof, Jaeyoung Lee, HyungKuk Ju, Jiyoung Eom, Jae Kwang Lee, Patent number: US 9406946 B2 (2Aug2016) / Application number: US 14/143,406 (30Dec2013), United States. (SOFC 연료전지)

[12] 금속 나노분말을 연료로서 채용한 고체산화물 전해질 기반 금속-공기 연료전지, Jaeyoung Lee, HyungKuk Ju, Jae Kwang Lee, Jin Won Kim, Patent number: 10-1355965 (21Jan2014) / Application number: 10-2012-0071941, South Korea (2Jul2012), South Korea. (고온 금속-공기 전지)

[13] 휴대용 직접 탄소 연료전지 및 이의 구동방법, Jaeyoung Lee, HyungKuk Ju, Jin Won Kim, Jae Kwang Lee, Patent number: 10-1123963 (28Feb2012) / Application number: 10-2009-0122144 (10Dec2009), South Korea. (SOFC 연료전지)