Publications

publications by categories in reversed chronological order.

2026

  1. 2026_J_Kang_Adv_Int.png
    Accelerating the Discovery of Proton Conducting Electrolytes via Machine Learning-Enabled Literature Mining
    Gaheun Shin, Seongho Lee, Seulchan Kim, Ho-Il Ji*, and Joonhee Kang*
    Advanced Intelligent Discovery, 2026
  2. Decoupling Electronic–Ionic Transport and Catalysis Enables High-Performance, Chemically Stable Sr-Free Air Electrodes for High-Temperature Solid Oxide Cells
    Ji-eun Won, Wooseok Lee, Jaehyun Seo, Dogeun Yoon, Ho-Il Ji, HeeChan Kang, Jun Hyuk Kim, Hwitae Kim, Ji Wan Kim, Jongsup Hong, and Kyung Joong Yoon
    Advanced Science, 2026
  3. 2026_S_Choi_NatComm.png
    Dynamics of dislocation formations and their impacts on exsolution in Ru-doped perovskite oxide
    Sungwook Choi†, Younghwan Lim†, Puspendu Guha, Hayoung Kim, Jaeseung Kim, Sungwon Kim, Ross Harder, Wonsuk Cha, Hoyoung Suh, Jinseok Ryu, Sungeun Yang, Ho-Il Ji*, Deok-Hwang Kwon*, and Hyunjung Kim*
    Nature Communications, 2026
  4. Exsolution dynamics in Ni-doped SrTiO₃: Linking solubility, defects, and microstructure to catalyst stability
    Zunaira Masood, Na-Young Lee, Jong-Yoon Kim, Saukinta Thapa, Yeong-Cheol Kim, Sun-Young Park, Deok-Hwang Kwon, Sungeun Yang, Ho-Il Ji, Hye Jung Chang, Kyung Joong Yoon, Ji-Won Son, Jae Jin Kim*, and Jong-Ho Lee*
    Solid State Ionics, 2026
  5. 2026_S_Kim_EES.png
    Elucidatin the Proton-Coupled Oxygen Reduction Pathway in Protonic Ceramic Fuel Cells
    Seulchan Kim†, Dogeun Yoon†, Jinwoong Chae, Hyeonwoo Kim, Jongsup Hong, Ji-Won Son, Jong-Ho Lee, Sungwoo Kang, and Ho-Il Ji*
    Energy & Environmental Science, 2026
  6. 2026_J_Yoon_AFM.png
    Synergistic Optimization of Power Output and Thermomechanical Stability Enabled by Rational Cathode Design in Protonic Ceramic Fuel Cells
    Jiwon Yun, Junseok Kim, Geomji Choi, Hyeongsik Shin, Seungchan Kim, Boseok Seong, Jinwoo Lee, Seongmin Chang, Ho-Il Ji*, and Sihyuk Choi*
    Advanced Functional Materials, 2026

2025

  1. 2025_Y_Lim_JMCA.png
    Failure of protonic ceramic fuel cells (PCFCs) under gaseous Cr and CO2 exposure and the introduction of a protective barrier layer for mitigation
    Yeji Lim, Jong Heon Chong, Puspendu Guha, Wan-Jae Lee, Inhyeok Cho, Seol Hee Oh, Junseok Kim, Kyung Joong Yoon, Ji-Won Son, Jong-Ho Lee, Sihyuk Choi, Deok-Hwang Kwon, Ho-Il Ji*, and Sungeun Yang*
    Journal of Materials Chemistry A, 2025
  2. Process-Property Relationships of Protonic Ceramic Electrolytes
    Hyung Jong Choi, Keun Hee Kim, Heon Jun Jeong, Dong Hwan Kim, Gwon Deok Han, Ho-Il Ji, Jong-Ho Lee, Fritz B Prinz, Kiho Bae, and Joon Hyung Shim
    Ceramics International, 2025
  3. Pushing the envelope of physical vapor deposited thin-film based solid oxide fuel cells for 500° C operation: Securing 1 W cm- 2 performance, 1000 h stability, scale up to 15 W power, and associated limitations
    Jung Hoon Park, Seongkook Oh, Byung Chan Yang, Dong Hwan Kim, Cam-Anh Thieu, Jeeho Hong, Jeong Hwa Park, Jong-Ho Lee, Kyung Joong Yoon, Ho-Il Ji, Kang Taek Lee, Sungeun Yang, and Ji-Won Son
    Chemical Engineering Journal, 2025
  4. Alloying Cu, Fe, and Co in Ni/YSZ Electrodes for High-Temperature CO2 Electrolysis: Impact on TPB Density, Activity, and Carbon Deposition Resistance
    Min Jun Oh, Sooin Lee, Jeeho Hong, Kyung Joong Yoon, Ho-Il Ji, Ji-Won Son, Jong-Ho Lee, Kyeounghak Kim, Jongsup Hong, and Sungeun Yang
    Carbon Energy, 2025
  5. 2025_J_Kim_JMCA.png
    Strain-regulated exsolution of Ru on hydrogen-storing oxide for ambient ammonia catalysis
    Joonhwan Kim†, Hayoung Kim†, Ji-Won Son, Young-Beom Kim, Sungeun Yang*, and Ho-Il Ji*
    Journal of Materials Chemistry A, 2025

2024

  1. Comparison of Various Cathode Materials Fabricated by Pulsed Laser Deposition for Low-Temperature Ceramic Fuel Cells
    Dong Hwan Kim, Sungeun Yang, Deok-Hwang Kwon, Ho-Il Ji, Kyung Joong Yoon, Jong-Ho Lee, Joon Hyung Shim, and Ji-Won Son
    International Journal of Precision Engineering and Manufacturing-Green Technology, 2024
  2. Correlation between hydration properties and electrochemical performances on Ln cation size effect in layered perovskite for protonic ceramic fuel cells
    Inhyeok Cho, Jiwon Yun, Boseok Seong, Junseok Kim, Sun Hee Choi, Ho-Il Ji, and Sihyuk Choi
    Journal of Energy Chemistry, 2024
  3. 2024_J_Kim_AEM.png
    Dual-Phase Reaction Sintering for Overcoming the Inherent Sintering Ability of Refractory Electrolytes in Protonic Ceramic Cells
    Junseok Kim, Jiwon Yun, Wanjae Lee, Do-Hyeong Kim, Puspendu Guha, Jin-Ha Hwang, Deok-Hwang Kwon, Sungeun Yang, Jong-Ho Lee, Kyung Joong Yoon, Ji-Won Son, Sahn Nahm, Sihyuk Choi*, and Ho-Il Ji*
    Advanced Energy Materials, 2024
  4. Investigating the nano-scale structure and composition dynamics during the phase transition towards complete separation of CeO 2–ZrO 2 solid solutions
    Seol Hee Oh, Hyun-Kyu Kim, Sun-Young Park, Yeong-Cheol Kim, Deok-Hwang Kwon, Sungeun Yang, Ho-Il Ji, Hye Jung Chang, Kyung Joong Yoon, Ji-Won Son, and  others
    Journal of Materials Chemistry A, 2024

2023

  1. Exsolution of Ru Nanoparticles on BaCe0.9Y0.1O3-δModifying Geometry and Electronic Structure of Ru for Ammonia Synthesis Reaction Under Mild Conditions
    Hayoung Kim, Asif Jan, Deok-Hwang Kwon, Ho-Il Ji, Kyung Joong Yoon, Jong-Ho Lee, Yongseok Jun, Ji-Won Son, and Sungeun Yang
    Small, 2023

2022

  1. Achieving performance and longevity with butane-operated low-temperature solid oxide fuel cells using low-cost Cu and CeO2 catalysts
    Cam-Anh Thieu, Sungeun Yang, Ho-Il Ji, Hyoungchul Kim, Kyung Joong Yoon, Jong-Ho Lee, and Ji-Won Son
    Journal of Materials Chemistry A, 2022
  2. Improved strontium segregation suppression of lanthanum strontium cobalt oxide cathode via chemical etching and atomic layer deposition
    Dong Hwan Kim, Sungeun Yang, Deok-Hwang Kwon, Ho-Il Ji, Ji-Won Son, and Joon Hyung Shim
    International Journal of Energy Research, 2022
  3. 2022_S_Im_JMCA.png
    The proton uptake process in double perovskite triple ionic-electronic conducting oxides for protonic ceramic cells
    Seunghyeok Im, Muhammet Ali Berk, Sungeun Yang, Byung-Kook Kim, Kyung Joong Yoon, Ji-Won Son, Jong-Ho Lee*, and Ho-Il Ji*
    Journal of Materials Chemistry A, 2022
  4. Exploration of a Ce0.65Zr0.25Pr0.1O2-δ-Based Electrocatalyst That Exhibits Rapid Performance Deterioration Despite Its High Oxygen Storage Capability
    Seol Hee Oh, Eun Hui Park, Hyun-Kyu Kim, Jason Kim, Hee-Sung Yoon, Yeong-Cheol Kim, Sun-Young Park, Sungeun Yang, Ho-Il Ji, Kyung Joong Yoon, and  others
    ACS Applied Energy Materials, 2022
  5. Experimental and theoretical study on the complete phase separation of ceria-zirconia solid solution into two end members, ceria and zirconia
    Seol Hee Oh, Hyun-Kyu Kim, Jason Kim, Yeong-Cheol Kim, Sun-Young Park, Sungeun Yang, Ho-Il Ji, Kyung Joong Yoon, Ji-Won Son, and Jong-Ho Lee
    Journal of Physics: Energy, 2022
  6. A comprehensive investigation of direct ammonia-fueled thin-film solid-oxide fuel cells: Performance, limitation, and prospects
    Seongkook Oh, Min Jun Oh, Jongsup Hong, Kyung Joong Yoon, Ho-Il Ji, Jong-Ho Lee, Hyungmook Kang, Ji-Won Son, and Sungeun Yang
    Iscience, 2022
  7. 2022_H_An_ACSEL.png
    An Unprecedented Vapor-Phase Sintering Activator for Highly Refractory Proton-Conducting Oxides
    Hyegsoon An, Seunghyeok Im, Junseok Kim, Byung-Kook Kim, Ji-Won Son, Kyung Joong Yoon, Hyoungchul Kim, Sungeun Yang, Hyungmook Kang*, Jong-Ho Lee*, and Ho-Il Ji*
    ACS Energy Letters, 2022

2021

  1. A nanoarchitectured cermet composite with extremely low Ni content for stable high-performance solid oxide fuel cells
    Jung Hoon Park, Jong-Ho Lee, Kyung Joong Yoon, Hyoungchul Kim, Ho-Il Ji, Sungeun Yang, Sangbaek Park, Seung Min Han, and Ji-Won Son
    Acta Materialia, 2021
  2. Low-temperature processing technique of Ruddlesden-Popper cathode for high-performance solid oxide fuel cells
    Jisu Shin, Sungeun Yang, Ho-Il Ji, Sangbaek Park, Hyoungchul Kim, Ji-Won Son, Jong-Ho Lee, Byung-Kook Kim, Jongsup Hong, and Kyung Joong Yoon
    Journal of Alloys and Compounds, 2021
  3. 2021_S_Im_JKCS.png
    PrBa0.5Sr0.5Co1.5Fe0.5O5+δcomposite cathode in protonic ceramic fuel cells
    Seunghyeok Im, Jong-Ho Lee, and Ho-Il Ji*
    Journal of the Korean Ceramic Society, 2021
  4. Quantitative determination of lithium depletion during rapid cycling in sulfide-based all-solid-state batteries
    Sung Soo Shin, Ji-Su Kim, Sungjun Choi, Ho-Il Ji, Kyung Joong Yoon, Jong-Ho Lee, Kyung Yoon Chung, and Hyoungchul Kim
    Chemical Communications, 2021
  5. 2021_H_Ji_JPS.png
    Influence of sintering activators on electrical property of BaZr0. 85Y0.15O3-δproton-conducting electrolyte
    Ho-Il Ji*, Byung-Kook Kim, Ji-Won Son, Kyung Joong Yoon, and Jong-Ho Lee*
    Journal of Power Sources, 2021
  6. 2021_J_Kim_SciAdv.png
    Naturally diffused sintering aid for highly conductive bilayer electrolytes in solid oxide cells
    Junseok Kim, Seunghyeok Im, Seol Hee Oh, Ji Yeong Lee, Kyung Joong Yoon, Ji-Won Son, Sungeun Yang, Byung-Kook Kim, Jong-Heun Lee, Hae-Weon Lee, Hae-Weon Lee, Jong-Ho Lee, and Ho-Il Ji*
    Science Advances, 2021

2020

  1. 2020_J_Shin_JALCOM.png
    Suppression of processing defects in large-scale anode of planar solid oxide fuel cell via multi-layer roll calendering
    Jisu Shin, Jung Hoon Park, Junseok Kim, Kyung Joong Yoon, Ji-Won Son, Jong-Ho Lee, Hae-Weon Lee, and Ho-Il Ji*
    Journal of Alloys and Compounds, 2020
  2. Effect of secondary metal catalysts on butane internal steam reforming operation of thin-film solid oxide fuel cells at 500-600°C
    Cam-Anh Thieu, Sungeun Yang, Ho-Il Ji, Hyoungchul Kim, Kyung Joong Yoon, Jong-Ho Lee, and Ji-Won Son
    Applied Catalysis B: Environmental, 2020
  3. Fast magneto-ionic switching of interface anisotropy using yttria-stabilized zirconia gate oxide
    Ki-Young Lee, Sujin Jo, Aik Jun Tan, Mantao Huang, Dongwon Choi, Jung Hoon Park, Ho-Il Ji, Ji-Won Son, Joonyeon Chang, Geoffrey SD Beach, and  others
    Nano Letters, 2020
  4. 2020_H_Ji_JKCS.png
    Protonic ceramic electrolysis cells for fuel production: a brief review
    Ho-Il Ji*, Jong-Ho Lee, Ji-Won Son, Kyung Joong Yoon, Sungeun Yang, and Byung-Kook Kim
    Journal of the Korean Ceramic Society, 2020
  5. Improved electrochemical performance and durability of butane-operating low-temperature solid oxide fuel cell through palladium infiltration
    Cam-Anh Thieu, Sangbaek Park, Hyoungchul Kim, Ho-Il Ji, Jong-Ho Lee, Kyung Joong Yoon, Sungeun Yang, and Ji-Won Son
    International Journal of Energy Research, 2020
  6. 2020_J_Kim_JALCOM.png
    Solid oxide fuel cells with zirconia/ceria bilayer electrolytes via roll calendering process
    Junseok Kim, Joonhwan Kim, Kyung Joong Yoon, Ji-Won Son, Jong-Ho Lee, Jong-Heun Lee, Hae-Weon Lee, and Ho-Il Ji*
    Journal of Alloys and Compounds, 2020
  7. Highly active and thermally stable single-atom catalysts for high-temperature electrochemical devices
    Jisu Shin, Young Joo Lee, Asif Jan, Sung Min Choi, Mi Young Park, Sungjun Choi, Jun Yeon Hwang, Seungki Hong, Seung Gyu Park, Hye Jung Chang, Min Kyung Cho, P. Jitendra Singh, Keun Hwa Chae, Sungeun Yang, Ho-Il Ji, Hyoungchul Kim, Ji-Won Son, Jong-Ho Lee, Byung-Kook Kim, Hae-Weon Lee, Jongsup Hong, Yun Jung Lee, and Kyung Joong Yoon Yoon
    Energy & Environmental Science, 2020
  8. Robust solid-state interface with a deformable glass interlayer in sulfide-based all-solid-state batteries
    Sungjun Choi, Minjae Jeon, Wo Dum Jung, Sungeun Yang, Sangbaek Park, Ho-Il Ji, Jong-Ho Lee, Byung-Kook Kim, Byoung-In Sang, and Hyoungchul Kim
    Solid State Ionics, 2020

2019

  1. 2019_S_Choi_AE.png
    Electrochemical analysis of high-performance protonic ceramic fuel cells based on a columnar-structured thin electrolyte
    Sung Min Choi, Hyegsoon An, Kyung Joong Yoon, Byung-Kook Kim, Hae-Weon Lee, Ji-Won Son, Hyoungchul Kim, Dongwook Shin*, Ho-Il Ji*, and Jong-Ho Lee*
    Applied Energy, 2019
  2. Sintered powder-base cathode over vacuum-deposited thin-film electrolyte of low-temperature solid oxide fuel cell: Performance and stability
    Jung Hoon Park, Seung Min Han, Byung-Kook Kim, Jong-Ho Lee, Kyung Joong Yoon, Hyoungchul Kim, Ho-Il Ji, and Ji-Won Son
    Electrochimica Acta, 2019
  3. Powder Packing Behavior and Constrained Sintering in Powder Processing of Solid Oxide Fuel Cells (SOFCs)
    Hae-Weon Lee, Ho-Il Ji, Jong-Ho Lee, Byung-Kook Kim, Kyung Joong Yoon, and Ji-Won Son
    Journal of the Korean Ceramic Society, 2019
  4. 2019_J_Kim_JMCA.png
    Enhanced sinterability and electrochemical performance of solid oxide fuel cells via a roll calendering process
    Junseok Kim, Junsung Ahn, Jisu Shin, Kyung Joong Yoon, Ji-Won Son, Jong-Ho Lee, Dongwook Shin, Hae-Weon Lee, and Ho-Il Ji*
    Journal of materials chemistry A, 2019
  5. Palladium incorporation at the anode of thin-film solid oxide fuel cells and its effect on direct utilization of butane fuel at 600° C
    Cam-Anh Thieu, Ho-Il Ji, Hyoungchul Kim, Kyung Joong Yoon, Jong-Ho Lee, and Ji-Won Son
    Applied Energy, 2019
  6. 2019_A_Jan_RSCA.png
    Promotion of Pt/CeO2 catalyst by hydrogen treatment for low-temperature CO oxidation
    Asif Jan, Jisu Shin, Junsung Ahn, Sungeun Yang, Kyung Joong Yoon, Ji-Won Son, Hyoungchul Kim, Jong-Ho Lee, and Ho-Il Ji*
    RSC Advances, 2019
  7. Interpretation of Impedance Spectra of Solid Oxide Fuel Cells: L-Curve Criterion for Determination of Regularization Parameter in Distribution Function of Relaxation Times Technique
    Moon-Bong Choi, Jisu Shin, Ho-Il Ji, Hyoungchul Kim, Ji-Won Son, Jong-Ho Lee, Byung-Kook Kim, Hae-Weon Lee, and Kyung Joong Yoon
    JOM, 2019

2018

  1. Thermal degradation mechanism of ferritic alloy (Crofer 22 APU)
    Mansoo Park, Ji-Su Shin, Sanghyeok Lee, Hyo-Jin Kim, Hyegsoon An, Ho-Il Ji, Hyoungchul Kim, Ji-Won Son, Jong-Ho Lee, Byung-Kook Kim, and  others
    Corrosion Science, 2018
  2. Exceptional power density and stability at intermediate temperatures in protonic ceramic fuel cells
    Sihyuk Choi, Chris J Kucharczyk, Yangang Liang, Xiaohang Zhang, Ichiro Takeuchi, Ho-Il Ji, and Sossina M Haile
    Nature Energy, 2018
  3. Identification of an Actual Strain-Induced Effect on Fast Ion Conduction in a Thin-Film Electrolyte
    Junsung Ahn, Ho Won Jang, Ho-Il Ji, Hyoungchul Kim, Kyung Joong Yoon, Ji-Won Son, Byung-Kook Kim, Hae-Weon Lee, and Jong-Ho Lee
    Nano letters, 2018
  4. 2018_H_Ji_PCCP.png
    Open-cell voltage and electrical conductivity of a protonic ceramic electrolyte under two chemical potential gradients
    Ho-Il Ji*, Hyoungchul Kim, Hae-Weon Lee, Byung-Kook Kim, Ji-Won Son, Kyung Joong Yoon, and Jong-Ho Lee
    Physical Chemistry Chemical Physics, 2018
  5. Highly durable solid oxide fuel cells: suppressing chemical degradation via rational design of a diffusion-blocking layer
    Seunghwan Lee, Sanghyeok Lee, Hyo-Jin Kim, Sung Min Choi, Hyegsoon An, Mi Young Park, Jisu Shin, Jung Hoon Park, Junsung Ahn, Donghwan Kim, Ho-Il Ji, Hyoungchul Kim, Ji-Won Son, Jong-Ho Lee, Byung-Kook Kim, Hae-Weon Lee, Jongsup Hong, Dongwook Shin, and Kyung Joong Yoon
    Journal of Materials Chemistry A, 2018
  6. Columnar Grain Size Effect on Cross-Plane Conductivity of Yttria-Stabilized Zirconia Thin Films
    Jung Hoon Park, Junsung Ahn, Kyung Joong Yoon, Hyoungchul Kim, Ho-Il Ji, Jong-Ho Lee, Seung Min Han, and Ji-Won Son
    Journal of The Electrochemical Society, 2018
  7. 2018_H_An_NatEnergy.png
    A 5 x 5 cm2 protonic ceramic fuel cell with a power density of 1.3 W cm-2 at 600°C
    Hyegsoon An, Hae-Weon Lee, Byung-Kook Kim, Ji-Won Son, Kyung Joong Yoon, Hyoungchul Kim, Dongwook Shin*, Ho-Il Ji*, and Jong-Ho Lee*
    Nature Energy, 2018
  8. 2018_H_An_JKCS.png
    Pr2NiO4+δfor Cathode in Protonic Ceramic Fuel Cells
    Hyegsoon An, Dongwook Shin, and Ho-Il Ji*
    Journal of the Korean Ceramic Society, 2018
  9. 2018_S_Choi_AMI.png
    Comprehensive Understanding of Cathodic and Anodic Polarization Effects on Stability of Nanoscale Oxygen Electrode for Reversible Solid Oxide Cells
    Sung Min Choi, Junsung Ahn, Ji-Won Son, Jong-Ho Lee, Byung-Kook Kim, Kyung Joong Yoon, and Ho-Il Ji*
    ACS applied materials & interfaces, 2018
  10. 2018_H_An_JKCS_Ni.png
    Effect of Nickel Addition on Sintering Behavior and Electrical Conductivity of BaCe 0.35 Zr 0.5 Y 0.15 O 3-δ
    Hyegsoon An, Dongwook Shin, and Ho-Il Ji*
    Journal of the Korean Ceramic Society, 2018

2017

  1. A piezomicrobalance system for high-temperature mass relaxation characterization of metal oxides: A case study of Pr-doped ceria
    Philipp Simons, Ho-Il Ji, Timothy C Davenport, and Sossina M Haile
    Journal of the American Ceramic Society, 2017
  2. Polypyrrole-assisted oxygen electrocatalysis on perovskite oxides
    Dong-Gyu Lee, Su Hwan Kim, Se Hun Joo, Ho-Il Ji, Hadi Tavassol, Yuju Jeon, Sihyuk Choi, Myeong-Hee Lee, Chanseok Kim, Sang Kyu Kwak, and  others
    Energy & Environmental Science, 2017
  3. 2017_H_Ji_PCCP.png
    Gas-phase vs. material-kinetic limits on the redox response of nonstoichiometric oxides
    Ho-Il Ji, Timothy C Davenport, Michael J Ignatowich, and Sossina M Haile
    Physical Chemistry Chemical Physics, 2017
  4. 2017_H_Ji_PCCP_2.png
    Chemical surface exchange of oxygen on CeO 2-δin an O2/H2O atmosphere
    Ho-Il Ji, Xin Xu, and Sossina M Haile
    Physical Chemistry Chemical Physics, 2017

2016

  1. 2016_H_Ji_PCCP.png
    Extreme high temperature redox kinetics in ceria: exploration of the transition from gas-phase to material-kinetic limitations
    Ho-Il Ji, Timothy C Davenport, Chirranjeevi Balaji Gopal, and Sossina M Haile
    Physical Chemistry Chemical Physics, 2016
  2. 2016_H_Ji_JPS.png
    Investigation of the electrochemical reactions at a limited-contact La1-xSrxMnO3/Y-doped ZrO2 interface with a rod-type ionic-probe
    Ho-Il Ji, Jongsup Hong, Kyung Joong Yoon, Ji-Won Son, Byung-Kook Kim, Hae-Weon Lee, and Jong-Ho Lee
    Journal of Power Sources, 2016

2013

  1. Degradation mechanism of electrolyte and air electrode in solid oxide electrolysis cells operating at high polarization
    Jeonghee Kim, Ho-Il Ji, Hari Prasad Dasari, Dongwook Shin, Huesup Song, Jong-Ho Lee, Byung-Kook Kim, Hae-June Je, Hae-Weon Lee, and Kyung Joong Yoon
    International Journal of Hydrogen Energy, 2013
  2. Structural optimization of (La,Sr)CoO3-based multilayered composite cathode for solid-oxide fuel cells
    Sun-Young Park, Ho-Il Ji, Hae-Ryoung Kim, Kyung Joong Yoon, Ji-Won Son, Byung-Kook Kim, Hae-Jun Je, Hae-Weon Lee, and Jong-Ho Lee
    Journal of Power Sources, 2013
  3. Pore structure improvement in cermet for anode-supported protonic ceramic fuel cells
    Yu-Eun Park, Ho-Il Ji, Byung-Kook Kim, Jong-Ho Lee, Hae-Weon Lee, and Jong-Sung Park
    Ceramics International, 2013
  4. Fabrication and characterization of Ba (Zr0.84Y0.15Cu0.01)O3-δelectrolyte-based protonic ceramic fuel cells
    Sung Min Choi, Jong-Heun Lee, Ho Il Ji, Kyung Joong Yoon, Ji-Won Son, Byung-Kook Kim, Hae June Je, Hae-Weon Lee, and Jong-Ho Lee
    Ceramics International, 2013
  5. Hydrogen production from water-splitting reaction based on RE-doped ceria–zirconia solid-solutions
    Hari Prasad Dasari, Kiyong Ahn, Sun-Young Park, Ho-Il Ji, Kyung Joong Yoon, Byung-Kook Kim, Hae-June Je, Hae-Weon Lee, and Jong-Ho Lee
    International Journal of Hydrogen Energy, 2013
  6. 2013_H_Ji_SSI.png
    Influence of wet atmosphere on electrical and transport properties of lanthanum strontium cobalt ferrite cathode materials for protonic ceramic fuel cells
    Ho-Il Ji, Sung-Min Choi, Kyung Joong Yoon, Ji-Won Son, Byung-Kook Kim, Hae-Weon Lee, and Jong-Ho Lee
    Solid State Ionics, 2013
  7. Determination of proton transference number of Ba(Zr0.84Y0.15Cu0.01)O3-δvia electrochemical concentration cell test
    Sung Min Choi, Jong-Heun Lee, Ho-Il Ji, Kyung Joong Yoon, Ji-Won Son, Byung-Kook Kim, Hae June Je, Hae-Weon Lee, and Jong-Ho Lee
    Journal of Solid State Electrochemistry, 2013
  8. 2013_H_Ji_EES.png
    Enhanced oxygen diffusion in epitaxial lanthanum-strontium-cobaltite thin film cathodes for micro solid oxide fuel cells
    Ho-Il Ji, Jaeyeon Hwang, Kyung Joong Yoon, Ji-Won Son, Byung-Kook Kim, Hae-Won Lee, and Jong-Ho Lee
    Energy & Environmental Science, 2013

2012

  1. Structural Characterization and Catalytic Activity of Ce0. 65Zr0. 25RE0. 1O2- δNanocrystalline Powders Synthesized by the Glycine-Nitrate Process
    D Hari Prasad, SunYoung Park, Ho-Il Ji, Hye-Ryoung Kim, Ji-Wwon Son, Byung-Kook Kim, Hae-Weon Lee, and Jong-Ho Lee
    The Journal of Physical Chemistry C, 2012
  2. Effect of steam content on nickel nano-particle sintering and methane reforming activity of Ni–CZO anode cermets for internal reforming SOFCs
    D Hari Prasad, SunYoung Park, Ho-Il Ji, Hye-Ryoung Kim, Ji-Won Son, Byung-Kook Kim, Hae-Weon Lee, and Jong-Ho Lee
    Applied Catalysis A: General, 2012
  3. Synthesis of nano-crystalline La 1-xSrxCoO3-δperovskite oxides by EDTA-citrate complexing process and its catalytic activity for soot oxidation
    D Hari Prasad, SunYoung Park, Eun-Ok Oh, Ho-Il Ji, Hye-Ryoung Kim, Kyung Joong Yoon, Ji-Won Son, and Jong-Ho Lee
    Applied Catalysis A: General, 2012
  4. Cobalt oxide co-doping effect on the sinterability and electrical conductivity of nano-crystalline Gd-doped ceria
    D Hari Prasad, SunYoung Park, Ho-Il Ji, Hye-Ryoung Kim, Ji-Won Son, Byung-Kook Kim, Hae-Weon Lee, and Jong-Ho Lee
    Ceramics International, 2012

2011

  1. Effect of nickel nano-particle sintering on methane reforming activity of Ni-CGO cermet anodes for internal steam reforming SOFCs
    D Hari Prasad, Ho-Il Ji, Hye-Ryoung Kim, Ji-Wwon Son, Byung-Kook Kim, Hae-Weon Lee, and Jong-Ho Lee
    Applied Catalysis B: Environmental, 2011
  2. ‘Illusional’nano-size effect due to artifacts of in-plane conductivity measurements of ultra-thin films
    Hae-Ryoung Kim, Jong-Cheol Kim, Kyung-Ryul Lee, Ho-Il Ji, Hae-Weon Lee, Jong-Ho Lee, and Ji-Won Son
    Physical Chemistry Chemical Physics, 2011
  3. 2011_H_Ji_SSI.png
    Three dimensional representations of partial ionic and electronic conductivity based on defect structure analysis of BaZr0.85Y0.15O3-δ
    Ho-Il Ji, Byung-Kook Kim, Ji Haeng Yu, Sung-Min Choi, Hae-Ryoung Kim, Ji-Won Son, Hae-Weon Lee, and Jong-Ho Lee
    Solid State Ionics, 2011
  4. Low-temperature sintering and electrical properties of strontium-and magnesium-doped lanthanum gallate with V2O5 additive
    Sang Bu Ha, Yoon Ho Cho, Ho-Il Ji, Jong-Ho Lee, Yun Chan Kang, and Jong-Heun Lee
    Journal of Power Sources, 2011

2010

  1. Limitation of thickness increment of lanthanum strontium cobaltite cathode fabricated by pulsed laser deposition
    Ho-Sung Noh, Heon Lee, Ho-Il Ji, Hae-Weon Lee, Jong-Ho Lee, and Ji-Won Son
    Journal of the Electrochemical Society, 2010
  2. Suppression of Ni agglomeration in PLD fabricated Ni-YSZ composite for surface modification of SOFC anode
    Ho-Sung Noh, Ji-Won Son, Heon Lee, Ho-Il Ji, Jong-Ho Lee, and Hae-Weon Lee
    Journal of the European Ceramic Society, 2010