A5100745135- Catalytic Processes in Materials Science
- Catalysis and Oxidation Reactions
- Catalysts for Methane Reforming
- Innovative concrete reinforcement materials
- Concrete and Cement Materials Research
- Graphene research and applications
- Physics of Superconductivity and Magnetism
- Advanced Sensor and Energy Harvesting Materials
- HVDC Systems and Fault Protection
- Structural Behavior of Reinforced Concrete
- Electronic and Structural Properties of Oxides
- Industrial Gas Emission Control
- Ammonia Synthesis and Nitrogen Reduction
- Phase-change materials and chalcogenides
- Magnetic and transport properties of perovskites and related materials
- Electrospun Nanofibers in Biomedical Applications
- Advanced Thermoelectric Materials and Devices
- X-ray Diffraction in Crystallography
- Advancements in Battery Materials
- Microplastics and Plastic Pollution
- Smart Materials for Construction
- Fullerene Chemistry and Applications
- Carbon dioxide utilization in catalysis
- Solid-state spectroscopy and crystallography
- Advanced Chemical Physics Studies
Lawrence Berkeley National Laboratory
2023-2025
Advanced Light Source
2025
Chungnam National University
2022-2024
SLAC National Accelerator Laboratory
2024
Myongji University
2023-2024
Korea Institute for Advanced Study
2023
Korea Institute of Energy Research
2017-2022
Anyang University
2017-2021
Korea University
2017-2021
Hanyang University
2017-2021
This study examined the electrical and self-sensing capacities of ultra-high-performance fiber-reinforced concrete (UHPFRC) with without carbon nanotubes (CNTs). For this, effects steel fiber content, orientation, pore water content on piezoresistive properties UHPFRC CNTs were first evaluated. Then, effect CNT under compression flexure was investigated. Test results indicated that higher better amount led to conductivity UHPFRC. The orientation drying condition became minor as sufficiently...
Catalyst surface control is of great importance considering that a catalytic reaction initially starts with atoms' interaction reactant molecules. In the present study, we synthesized Ni-Al2O3 dry reforming methane (DRM) catalyst via spray-pyrolysis-assisted evaporation-induced self-assembly (EISA) method in order to systematically investigate change as controlled by composition segregation. The results showed segregation had successfully occurred post-annealing process and segregated Ni...
This study aims to investigate the effect of carbon-based materials, i.e., carbon fibers (CFs), nanotubes (CNTs), and graphite nanofibers (GNFs), on mechanical self-healing properties asphalt concrete. For this, 0.5% CF, CNT, GNF, 1.0% CF were incorporated, plain concrete was also considered for comparison. The capability examined based induction heating quantitatively evaluated by comparing flexural strengths virgin healed specimens. Test results indicated that adding nanomaterials, CNTs...
Global energy demand escalates the interest in effective and durable catalytic systems for dry reforming of methane (DRM), a process that converts CO2/CH4 into H2/CO syngas. Porous silica-supported nickel (Ni) catalysts are recognized as promising candidate due to robust DRM activity associated with confinement Ni particles mesopores reduces catalyst deactivation by carbon byproduct deposits sintering active sites. However, small-sized pore configurations mesoporous hinders fast mass...
This study aims to examine the several factors influencing efficiency of hybridization steel and polyethylene (PE) fibers in improving compressive strength tensile performance ultra-high-performance fiber-reinforced cementitious composites (UHPFRCC). For mechanical tests, three types (i.e., short straight (SS), medium-length (MS), twisted (T) fibers) four lengths 12 mm (SPE), 18 (MPE), 27 (LPE), 36 (LLPE)) were hybridized. Each specimen included 2 vol.% single or hybrid fibers, ratio was...
Mn-Ce/TiO2 and Mn-Ce/TiO2-CNTs were tested for the low-temperature selective catalytic reduction of NO with NH3. The CNTs in intimate contact catalyst surface, crystallinity, BET surface area, porosity barely changed after addition. Compared to Mn-Ce/TiO2, exhibited superior activity N2 selectivity at 140–240 °C. High Mn4+ concentration abundant chemisorbed oxygen species found on Mn-Ce/TiO2-CNTs. Monodentate nitrate mainly formed Mn-Ce/TiO2-CNTs, which reacted NH3, leading a more reactive...