Publications

2025

• S. Lee, H. Choi, S. Kim, J. H. Lee, Y. Choi, JD Yoo, M. Park, H. G. Seo, K. Kim, E. J. Crumlin, B. Jeong, H. Y. Kim* and W. Jung*, "Fuel Concentration Directs the Reaction Path of Methane Oxidation over Pt-Ceria Catalyst" (Submitted)

• D-G. Hong†, H. Park†, Y. Choi, S. Lee, H. J. Hwang, S. Park, S-D. Kim*, "1,000-hour life-testing of the 10-cell planar solid oxide electrolysis cell stacks at 650℃: The effects of bipolar plate coatings on degradation suppression" (Under Review)

• Y. Choi, H. J. Hwang, S. Lee, D. W. Seo, H. Park, D. Hong, S-D. Kim*, "Impact of Structural Parameters on Camber in High-Performance Cathode-Supported Solid Oxide Electrolysis Cells" (Under Review)

• D-K. Lim†, J. Kim†, J. H. Kim, B. Jeong, Y. Choi, W. Jung*, "Cs-Promoted Ni-GDC Anodes for Enhanced Stability and Performance in Low-Temperature SOFCs" (Under Review)

(24) J. Lee†, S. Kim†, Y. B. Kim, DH Oh, S. Ahn, Y. Choi, S-Y. Chung*, and W. Jung*, “Multiple variations in LaCoO3 by Ca substitution activate oxygen evolution reaction” Chemical Engineering Journal 520, 164515 (2025)

(23) S. Kim†, S. Nam†, W. Jung, H. Kim, Y. Choi*, and H. Kim*, “Designing highly active and stable Ni-exsolved LaMnO3 perovskite catalysts for dry reforming of methane via Ca substitution” ACS Catalysis 15, 6812-6825 (2025) 

(22) J. Kim†, H. Kim†, S. Nam, Y. Choi*, and W. Jung*, “Exploring gas/solid interface reactions of solid oxide cell electrodes via model thin-film system” (Invited review) EcoMat 7(4), e70007 (2025)

~2024

(21) Y. Choi†, H. Ha†, J. Kim, H. G. Seo, H. Choi, B. Jeong, JD Yoo, E. J. Crumlin, G. Henkelman, H. Y. Kim*, and W. Jung*, “Unveiling direct electrochemical oxidation of methane at the ceria/gas interface” Advanced Materials 47, 2403626 (2024)

(20) S. Nam, J. Kim, H. Kim, S. Ahn, S. H. Jeon, Y. Choi*, B-K. Park*, W. Jung*, “Revitalizing oxygen reduction reactivity of composite oxide electrode via electrochemically deposited PrOx nanocatalysts” Advanced Materials 36, 2307286 (2024)

(19) Y. Choi*, H. W. Kim, Y. Youn, P. J. Chun, H-S. Kim, J. H. Yu, S-D. Kim, and T-W. Kim*, “Microwave-assisted sintering of a disordered hexagonal perovskite Ba7Nb4MoO20 electrolyte for high-temperature fuel cells” Journal of the European Ceramic Society 44(14), 116702 (2024)

(18) P. J. Chun, W. B. Lim*, Y. Choi*, “Ruddlesden-Popper Perovskite Materials for Solid Oxide Fuel Cell Cathode: A Review” Ceramist 27(3), 272-290 (2024)

(17) S. Park†, D. Oh†, M. G. Jang, H. Seo, U. Kim, J. Ahn, Y. Choi, D. Shin, J. W. Han, W. Jung, “Unmatched redox activity of palladium-doped indium oxide oxygen carrier for low-temperature CO2 splitting” ACS Nano 18, 37, 25577-25590 (2024)

(16) H. A. Muhammad, M. Naeem, J. Kim, S-D. Kim, Y. Choi, Y. D. Lee*, “Solar hydrogen production: Techno-economic analysis of a concentrated solar powered high-temperature electrolysis system” Energy 293, 131284 (2023)

(15) Y. Youn, B. Hussain, A. Ullah, I. J. Hwang, J. Shin, J-E. Hong, D. W. Joh, S-B. Lee, R-H. Song, S-J. Par, T. W. Kim, Y. Choi, T-H. Lim, H-S. Kim*, “Anisotropic Proton Migration in Hexagonal Perovskite Related Ba5Er2Al2ZrO13 Oxide” Chemistry of Materials 35, 9493-9504 (2023)

(14) Y. Choi, S. Byun, D. W. Seo, H. J. Hwang, T. W. Kim*, S-D. Kim*, “New design and performance evaluation of 1kW-class reversible solid oxide electrolysis-fuel cell stack using flat-tubular cells” Journal of Power Sources 542, 231744 (2022)

(13) Y. Choi†, H-J. Cho†, J. Kim, J-Y. Kang, J. Seo, J. H. Kim, S. J. Jeong, D-K. Lim, I-D. Kim*, W. Jung*, “Core-Shell Nanofiber Composites as Highly Active and Robust Anodes for Direct Hydrocarbon Solid Oxide Fuel Cells” ACS Nano 16(9), 14517-14526 (2022)

(12) J. Kim†, Y. Choi†, D-K. Lim, JD Yoo, H. G. Seo, S. Kim, S. Kim, W. Jung*, “Electrochemically plated nickel-decorated ceria nanostructures for direct hydrocarbon solid oxide fuel cell electrodes” Journal of Materials Chemistry A 10, 20886-20895 (2022)

(11) Y. Choi*, “A review of electrochemical cells with geometrically well-defined interfaces for solid oxide fuel cell anodes” Ceramist, 24(4), 344-355 (2021)

(10) H. Kim, H. G. Seo, Y. Choi, D-K. Lim, W. Jung*, “Cathodic electrochemical deposition: a new strategy to enhance the activity and stability of silver cathodes for thin-film solid oxide fuel cells” Journal of Materials Chemistry A, 8, 14491(2020)

(9) G. Hong, T. W. Kim, M. J. Kwak, J. Song, Y. Choi, S-K. Woo, M. H. Han, C. H. Cho, and S-D. Kim*, “Composite electrodes of Ti-doped SrFeO3-δ and LSGMZ electrolytes as both the anode and cathode in symmetric solid oxide fuel cells” Journal of Alloys and Compounds, 846, 156154 (2020)

(8) H. G. Seo, S. Ji, J. Seo, S. Kim, B. Koo, Y. Choi, H. Kim, J. H. Kim, T.-S. Kim, and W. Jung* “Sintering-resistant platinum electrode achieved through atomic layer deposition for thin-film solid oxide fuel cells” Journal of Alloys and Compounds, 835, 155347 (2020)

(7) Y. Choi†, S K. Cha†, H. Ha†, S. Lee, H K. Seo, J. Y. Lee, H. Y. Kim*, S. O. Kim*, W. Jung*, “Unraveling inherent electrocatalysis of mixed-conducting oxide activated by metal nanoparticle for fuel cell electrodes” Nature Nanotechnology, 14, 245-251. (2019)

(6) Y. Choi, J. Kim, H. G. Seo, H. L. Tuller, W. Jung* “Nucleation and growth kinetics of electrochemically deposited ceria nanostructures for high-temperature electrocatalysis” Electrochimica Acta, 316, 273-282. (2019)

(5) H. G. Seo, Y. Choi, W. Jung*, “Exceptionally enhanced electrode activity of (Pr,Ce)O2-δ-based cathodes for thin-film solid oxide fuel cells” Advanced Energy Materials, 8, 1703647 (2018)

(4) J.-Y. Kang, J. Jang, W.-T. Koo, J. Seo, Y. Choi, M.-H. Kim, D.-H. Kim, H.-J. Choi, W. Jung, and I.-D. Kim*, “Perovskite La0.75Sr0.25Cr0.5Mn0.5O3-δ sensitized SnO2 fiber-in-tube scaffold: highly selective and sensitive formaldehyde sensing” Journal of Materials Chemistry A, 6, 1054310551. (2018)

(3) Y. Choi, E. C. Brown, S. M. Haile*, W. Jung* “Electrochemically modified, robust solid oxide fuel cell anode for direct-hydrocarbon utilization” Nano Energy, 23, 161-171. (2016)

(2) H. G. Seo, Y. Choi, B. Koo, A. Jang, W. Jung*, “Robust nano-architectured composite thin films for a low-temperature solid oxide fuel cell cathode” Journal of Materials Chemistry A, 4, 93949402. (2016)

(1) W. Jung, K. L. Gu, Y. Choi, S. M. Haile, “Robust nanostructures with exceptionally high electrochemical reaction activity for high temperature fuel cell electrodes”, Energy & Environmental Science, 7, 1685-1692. (2014)