A5101491103- Catalysts for Methane Reforming
- Catalytic Processes in Materials Science
- Catalysis and Hydrodesulfurization Studies
- Catalysis for Biomass Conversion
- Nanomaterials for catalytic reactions
- Electrocatalysts for Energy Conversion
- Catalysis and Oxidation Reactions
- Advanced Photocatalysis Techniques
- Nanocluster Synthesis and Applications
- Mesoporous Materials and Catalysis
- Asymmetric Hydrogenation and Catalysis
- Catalytic Cross-Coupling Reactions
- Chemical Synthesis and Reactions
- Advancements in Solid Oxide Fuel Cells
- Machine Learning in Materials Science
- Copper-based nanomaterials and applications
- Migration and Labor Dynamics
- Subcritical and Supercritical Water Processes
- Fluid Dynamics and Mixing
- Chemical Looping and Thermochemical Processes
- Click Chemistry and Applications
- CO2 Reduction Techniques and Catalysts
- Catalytic Alkyne Reactions
- Drilling and Well Engineering
- Organometallic Complex Synthesis and Catalysis
Korea University of Science and Technology
2015-2024
Korea Institute of Energy Research
2015-2024
Daejeon University
2014-2021
Government of the Republic of Korea
2017-2018
University of Science and Technology
2015
Ajou University
2013
Korea Advanced Institute of Science and Technology
2009
Nickel-based catalysts have been good candidates for steam reforming of methane, but their stability has restricted due to the agglomeration among particles at high temperature. In present work, a new type Ni@SiO2 yolk-shell nanoreactor framework comprising Ni cores inside hollow silica shells prepared through direct coating and subsequent selective etching metal cores. This is remarkably stable temperatures up 973 K, because around nickel essentially block particle sintering. The structure...
A novel Fe<sub>5</sub>C<sub>2</sub>@C catalyst bearing small iron carbide particles ∼10 nm in diameter was prepared using a simple thermal treatment of oxalate dihydrate cubes, employed high-temperature Fischer–Tropsch synthesis.
Fischer–Tropsch synthesis (FTS) was carried out over precipitated iron-based catalysts activated by syngas (H2 + CO) with different amounts of CO2 (0%, 20%, 33%, and 50%). The activation using CO2-containing significantly suppressed the production undesired products, CH4 C2–C4 hydrocarbons, but facilitated valuable C5+ hydrocarbons. In particular, in case C19+ target products low-temperature FTS (⩽280 °C), both selectivity productivity showed a great increase an increased inlet content...
Highly activated K-doped Hägg-carbide/charcoal nanocatalyst at K/Fe = 0.075 showed the highest FTY value, best hydrocarbon yield, and a good gasoline selectivity for high-temperature Fischer–Tropsch reaction.
Mesoporous SiO2-supported Cu2O nanoparticles as an egg-shell type catalyst were prepared by impregnation method. The obtained Cu2O/SiO2 nanocatalyst had a large surface area and narrow pore size distribution. In addition, most of the nanoparticles, with sizes around 2.0 nm, highly dispersed in mesoporous silica. Accordingly, fast reactant diffusion to active sites would occur, especially when metal are selectively located on outer part support, i.e., region egg shell. solvent-free...
Bifunctional Pd/Fe<sub>3</sub>O<sub>4</sub>/charcoal nanocatalysts are synthesized by simple solid-state grinding. Highly loaded Pd and Fe<sub>3</sub>O<sub>4</sub> nanoparticles observed exhibit high product time yield for Suzuki–Miyaura coupling reactions.
Highly dispersed Pt-incorporated mesoporous Fe2O3 (Pt/m-Fe2O3) of 4 μm size is prepared through a simple hydrothermal reaction and thermal decomposition procedures. Furthermore, the formaldehyde gas-sensing properties Pt/m-Fe2O3 are investigated. Compared with our previous Fe2O3-based gas sensors, sensor based on 0.2% shows improved response by over 90% in detecting low-level at 50 ppb concentration, an enhanced selectivity gas, lower degradation sensing performance high-humidity...