From gray to blue hydrogen: Trends and forecasts of catalysts and sorbents for unit process

SY Ahn, KJ Kim, BJ Kim, GR Hong, WJ Jang… - … and Sustainable Energy …, 2023 - Elsevier
Abstract Achieving Net Zero 2050 through decarbonization and securing next-generation
clean energy have become the most important challenges. One of the pathways that make …

CeO2-based oxygen storage capacity materials in environmental and energy catalysis for carbon neutrality: extended application and key catalytic properties

SY Ahn, WJ Jang, JO Shim, BH Jeon, HS Roh - Catalysis Reviews, 2023 - Taylor & Francis
Reducing carbon dioxide emissions is one of the largest energy and environmental
challenges currently faced globally. To achieve carbon neutrality, the development of new …

Target-oriented water–gas shift reactions with customized reaction conditions and catalysts

YL Lee, KJ Kim, GR Hong, HS Roh - Chemical Engineering Journal, 2023 - Elsevier
The conventional hydrogen production process from natural gas includes a water–gas shift
reaction (WGSR) as a core step to remove carbon monoxide and produce additional …

For more and purer hydrogen-the progress and challenges in water gas shift reaction

L Zhou, Y Liu, S Liu, H Zhang, X Wu, R Shen… - Journal of Energy …, 2023 - Elsevier
The water gas shift (WGS) reaction is a standard reaction that is widely used in industrial
hydrogen production and removal of carbon monoxide. The improved catalytic performance …

Sulfur-Tolerant Pt/CeO2 Catalyst with Enhanced Oxygen Storage Capacity by Controlling the Pt Content for the Waste-to-Hydrogen Processes

YL Lee, KJ Kim, GR Hong, SY Ahn, BJ Kim… - ACS Sustainable …, 2021 - ACS Publications
In the Pt/CeO2 catalyst, we found that the loading amount of Pt affects not only the
dispersion of Pt but also the interaction between Pt and CeO2, specifically to the oxygen …

Hydrogen production from waste-derived synthesis gas over Ni (x) Fe (3-x)-CeO2 catalyst: optimization of Ni/Fe ratio

YS Heo, KW Jeon, HM Kim, MJ Park, BS Cheon… - International Journal of …, 2023 - Elsevier
In this study, the effect of the Ni/Fe molar ratio on the Ni (x) Fe (3-x)-CeO 2 catalyst was
investigated for the high-temperature water-gas shift reaction, which produces hydrogen …

Advances in catalysts for water–gas shift reaction using waste-derived synthesis gas

RR Lee, IJ Jeon, WJ Jang, HS Roh, JO Shim - Catalysts, 2023 - mdpi.com
Hydrogen is mainly produced by steam reforming of fossil fuels. Thus, research has been
continuously conducted to produce hydrogen by replacing fossil fuels. Among various …

A study on the activity recovery behavior of noble metal catalysts against sulfur poisoning

KJ Kim, YL Lee, GR Hong, SY Ahn, BJ Kim, SS Lee… - Catalysis Today, 2024 - Elsevier
Abstract Various noble metals (Pt, Rh, Ru, and Pd) were supported on CeO 2 to understand
their sulfur-tolerant catalytic activity. The synthesized catalysts were applied to the water-gas …

Enhanced Fe–Cr dispersion on mesoporous silica support using surfactant-assisted melt-infiltration for the water-gas shift reaction in waste-to-hydrogen processes

BS Yoon, KJ Kim, EH Cho, HR Park, HS Roh… - International Journal of …, 2023 - Elsevier
Abstract Iron-chromium/SBA-15 (Fe–Cr/SBA-15) catalysts for high-temperature water-gas
shift reactions (HTS) were prepared using the surfactant-assisted melt-infiltration (SAMI) …

Elucidating the effect of Ce/Zr ratio on high temperature shift activity with sulfur poisoning

KJ Kim, KW Jeon, GR Hong, BH Jeon, JW Bae… - Journal of Industrial and …, 2022 - Elsevier
To elucidate the effect of CeO 2/ZrO 2 ratio on the sulfur-tolerance in high temperature shift
using waste derived synthesis gas, the Ce/Zr ratio in Pt/Ce x Zr 1-x O 2 catalysts was …