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Publications

11 peer-reviewed papers spanning hydrogen generation, catalysis, and battery materials — plus a filed patent and two awards.

2026

Dependence of catalytic properties of strongly supported platinum clusters with atom counts (Featured)

Chyan Kyung Song, Junhyeok Jung, Shyama Charan Mandal, Sungsu Kang, Tae Yong Kim, Chan Kim, Gyeongrok Jang, Hyungjoo Kim, Younhwa Kim, Kyung Rok Lee, Ji Soo Kim, Junjie Chen, Yongmin Kim, Chang Won Yoon, Thomas F. Jaramillo, Matteo Cargnello, Frank Abild-Pedersen, Jungwon Park

How the catalytic behavior of supported platinum clusters changes atom by atom.

DOI
2025

High-Pressure, Grid-Independent Hydrogen Generation via Chemical Hydride Hydrolysis: Demonstration and Deployment Strategies (Featured)

Chan Kim, Jaewon Kirk, Felicia Alvita Theda, Euirim On, Keunsoo Kim, Hyuntae Sohn, Suk Woo Nam, Ji Hui Seo, Han Jin Kim, Pyung Soon Kim, Jaeyong Lee, Jihoon Jang, Hyangsoo Jeong*, Yongmin Kim*

From lab bench to a working high-pressure, grid-independent hydrogen generator.

DOI

Reduction‐Induced Oxygen Loss: the Hidden Surface Reconstruction Mechanism of Layered Oxide Cathodes in Lithium‐Ion Batteries

Seungyun Jeon, Gukhyun Lim, Hoseok Lee, Hyunyoung Park, Min Kyung Cho, Chan Kim, YeEun Lee, Jaehoon Kim, Minhyung Kwon, Jung‐Keun Yoo, Hyangsoo Jeong, Jinwoo Kim, Seung‐Ho Yu, Minah Lee, Jongsoon Kim, Jihyun Hong

Traces a surface reconstruction in layered-oxide lithium-ion battery cathodes back to oxygen loss during reduction — a previously hidden piece of how these materials degrade.

DOI

Efficient aqueous activation of boron nitride colloidal catalysts for enhanced selective methane oxidation under mild conditions

Younhwa Kim, Hobin Kwak, Chanhee Choi, Hyesung Choi, Sungsu Kang, Chan Kim, Yongmin Kim, Jungwon Park

A water-based activation step turns boron nitride particles into catalysts that convert methane selectively under mild conditions.

DOI

Promoter-guided reaction intermediate dynamics enhance perhydro-benzyltoluene dehydrogenation (Featured)

Euirim On§, Kimoon Lee§, Yeonsu Kwak, Chan Kim, Quan Nguyen Dao, Hyuntae Sohn, Suk Woo Nam, Joohoon Kim, Yongmin Kim*, Hyangsoo Jeong*

How promoter atoms steer reaction intermediates in LOHC dehydrogenation over Pt.

DOI
2024

Novel Roles of Catalysts in Producing High-Purity High-Pressure Hydrogen from Sodium Borohydride

Felicia Alvita Theda§, Kimoon Lee§, Chan Kim, Yu-Jin Lee, Keunsoo Kim, Hyuntae Sohn, Suk Woo Nam, Yongmin Kim, Hyangsoo Jeong*

What catalysts actually do when NaBH₄ delivers high-purity, high-pressure hydrogen.

DOI

Sequential reactions toward a high-pressure H₂ generation from a mixture of sodium borohydride and formic acid

Safira Ramadhani, Chan Kim, Jaewon Kirk, Hyuntae Sohn, Suk Woo Nam, Yongmin Kim, Kwang Ho Song*, Hyangsoo Jeong*

Sodium borohydride and formic acid, combined in sequence, generate high-pressure hydrogen without needing an external compressor.

DOI

Pore Surface Engineering of Al₂O₃-supported Ru Catalysts with TiO₂ for Enhanced Selective CO Methanation

Yu-Jin Lee§, Kiwon Kang§, Chan Kim, Jaewon Kirk, Hyuntae Sohn, Suk Woo Nam, Joohoon Kim, Hyangsoo Jeong*, Yongmin Kim*

A titania surface treatment on a ruthenium catalyst improves how selectively it removes trace CO from a hydrogen stream — the kind of impurity that otherwise poisons fuel-cell catalysts downstream.

DOI
2023

Synergistic structural and electronic influences of Pt bead catalysts on dehydrogenation activity for liquid organic hydrogen carriers

Seungmok Han§, Chang-il Ahn§, Byeong Jo Shim, Euirim On, Chan Kim, Hyuntae Sohn, Hyangsoo Jeong, Yongmin Kim*, Chang Won Yoon*

How the structure and electronic state of platinum "bead" catalysts jointly control hydrogen release from a liquid organic carrier.

DOI
2022

Strategy for Efficient H₂ Production from a Mixture of Formic Acid and Formate using Operando pH Measurements (Featured)

Chan Kim§, Kimoon Lee§, Il-Han Yoo, Yu-Jin Lee, Safira Ramadhani, Hyuntae Sohn, Suk Woo Nam, Joohoon Kim, Yongmin Kim*, Hyangsoo Jeong*

Real-time pH tracking inside the reactor located the acid–formate ratio that maximizes H₂ output.

DOI

Regulating Dynamic Electrochemical Interface of LiNi₀.₅Mn₁.₅O₄ Spinel Cathode for Realizing Simultaneous Mn and Ni Redox in Rechargeable Lithium Batteries

Gukhyun Lim, Dongki Shin, Keun Hwa Chae, Min Kyung Cho, Chan Kim, Seok Su Sohn, Minah Lee, Jihyun Hong

Tunes the electrochemical interface of a spinel lithium-battery cathode so manganese and nickel redox reactions activate together instead of separately.

DOI

Patent

Catalyst for Low-Temperature Carbon Monoxide Purification, Method for Preparing the Same, and Method for Purifying Carbon Monoxide Using the Catalyst

Participated across the catalyst development effort — XPS surface analysis and reaction performance evaluation

Awards

Grand Prize, 1st Future Automotive Industry Idea Contest

Awarded for a techno-economic assessment proposed as part of a hydrogen mobility innovation concept.

Best Poster Presentation Award

Hydrogen production strategy from a mixture of formic acid and formate.