Jang‐Hee Yoon
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View article: Influence of NaCl on Phase Development and Corrosion Resistance of Portland Cement
Influence of NaCl on Phase Development and Corrosion Resistance of Portland Cement Open
Portland cement is one of the most widely used construction materials employed in both large-scale structures and everyday applications. Although various materials are often added during production to enhance their performance, NaCl can be…
View article: Effect of Heat Treatment Duration on the Recrystallization and Electrochemical Properties of Cold-Rolled Cantor-Type High-Entropy Alloy
Effect of Heat Treatment Duration on the Recrystallization and Electrochemical Properties of Cold-Rolled Cantor-Type High-Entropy Alloy Open
High-entropy alloys (HEAs), such as the Cantor alloy, are considered for various structural applications owing to their excellent corrosion resistance and high strength at low temperatures, typically below −70 °C, including cryogenic condi…
View article: The Effect of Sulfur Concentration on the Crystallization and Electrochemical Behavior of Portland Cement
The Effect of Sulfur Concentration on the Crystallization and Electrochemical Behavior of Portland Cement Open
Portland cement is a critical material widely used in the construction industry, where its crystallization and microstructure are key factors determining its physical and mechanical properties. This study investigated the effect of sulfur …
View article: The Effect of Carbon on the Crystallization and Electrochemical Behavior of Portland Cement
The Effect of Carbon on the Crystallization and Electrochemical Behavior of Portland Cement Open
Cement is one of the most widely used structural materials and serves as the primary component of concrete. Among the various types, Portland cement is the most commonly utilized due to its excellent strength and corrosion resistance. Rece…
View article: Impact of Ag Coating Thickness on the Electrochemical Behavior of Super Duplex Stainless Steel SAF2507 for Enhanced Li-Ion Battery Cases
Impact of Ag Coating Thickness on the Electrochemical Behavior of Super Duplex Stainless Steel SAF2507 for Enhanced Li-Ion Battery Cases Open
Li-ion batteries are at risk of explosions caused by fires, primarily because of the high energy density of Li ions, which raises the temperature. Battery cases are typically made of plastic, aluminum, or SAF30400. Although plastic and alu…
View article: Crystallization Kinetics of Tio2 Thin Films: A Comparative Study of Film Deposition Conditions
Crystallization Kinetics of Tio2 Thin Films: A Comparative Study of Film Deposition Conditions Open
View article: Explainable surrogate modeling for predicting temperature separation performance of the vortex tube
Explainable surrogate modeling for predicting temperature separation performance of the vortex tube Open
A vortex tube is a device that separates compressed air at ambient temperature into cold and hot air. Compared to other air conditioning devices, it has a more straightforward structure and does not require a separate power source, making …
View article: Movable VOC Removal System
Movable VOC Removal System Open
In this study, we develop a mobile VOCs gas removal system that can remove volatile organic compound (VOCs) emissions from petrochemical facilities, metal painting factories, and surroundings of life, and can efficiently cope with situatio…
View article: Thermochromic properties and surface chemical states of reactive magnetron sputtered vanadium oxide thin films at various deposition pressures
Thermochromic properties and surface chemical states of reactive magnetron sputtered vanadium oxide thin films at various deposition pressures Open
Vanadium oxide thin films were prepared using reactive magnetron sputtering method, varying the deposition pressures from 4 to 10 mTorr while maintaining the other sputtering parameters constant. Our investigations revealed sensitive depen…
View article: Study of Effects of Post-Weld Heat Treatment Time on Corrosion Behavior and Manufacturing Processes of Super Duplex Stainless SAF 2507 for Advanced Li-Ion Battery Cases
Study of Effects of Post-Weld Heat Treatment Time on Corrosion Behavior and Manufacturing Processes of Super Duplex Stainless SAF 2507 for Advanced Li-Ion Battery Cases Open
Lithium-ion batteries are superior energy storage devices that are widely utilized in various fields, from electric cars to small portable electric devices. However, their susceptibility to thermal runaway necessitates improvements in batt…
View article: Effect of Annealing after Casting and Cold Rolling on Microstructure and Electrochemical Behavior of High-Entropy Alloy, Cantor
Effect of Annealing after Casting and Cold Rolling on Microstructure and Electrochemical Behavior of High-Entropy Alloy, Cantor Open
High-entropy alloys (HEAs), a relatively new class of materials, have attracted significant attention in materials science owing to their unique properties and potential applications. High entropy stabilizes the phase of a solid solution o…
View article: Ag-Coated Super Duplex Stainless Steel AISI2507 with or without Crystallization of Secondary Phase as Advanced Li-Ion Battery Case Material
Ag-Coated Super Duplex Stainless Steel AISI2507 with or without Crystallization of Secondary Phase as Advanced Li-Ion Battery Case Material Open
Li-ion batteries used in portable electronic devices and electric vehicles require high safety standards, necessitating the use of high-performance structural materials for battery casings. Super duplex stainless steel (SDSS) is a structur…
View article: Effect of Secondary Phase on Passivation Layer of Super Duplex Stainless Steel UNS S 32750: Advanced Safety of Li-Ion Battery Case Materials
Effect of Secondary Phase on Passivation Layer of Super Duplex Stainless Steel UNS S 32750: Advanced Safety of Li-Ion Battery Case Materials Open
Aluminum, traditionally the primary material for battery casings, is increasingly being replaced by UNS S 30400 for enhanced safety. UNS S 30400 offers superior strength and corrosion resistance compared to aluminum; however, it undergoes …
View article: Study of Precipitated Secondary Phase at 700 °C on the Electrochemical Properties of Super Duplex Stainless Steel AISI2507: Advanced High-Temperature Safety of a Lithium-Ion Battery Case
Study of Precipitated Secondary Phase at 700 °C on the Electrochemical Properties of Super Duplex Stainless Steel AISI2507: Advanced High-Temperature Safety of a Lithium-Ion Battery Case Open
Super duplex stainless steel (SDSS) is a suitable structural material for various engineering applications due to its outstanding strength and corrosion resistance. In particular, its high-temperature strength can enhance the safety of ele…
View article: Crystallization of Secondary Phase on Super-Duplex Stainless Steel SAF2507: Advanced Li-Ion Battery Case Materials
Crystallization of Secondary Phase on Super-Duplex Stainless Steel SAF2507: Advanced Li-Ion Battery Case Materials Open
The demand for Li-ion batteries has increased because of their extensive use in vehicles and portable electronic devices. This increasing demand implies greater interaction between batteries and humans, making safety a paramount concern. A…
View article: Study of Electroless Nickel Plating on Super Duplex Stainless Steel for Lithium-Ion Battery Cases: Electrochemical Behaviour and Effects of Plating Time
Study of Electroless Nickel Plating on Super Duplex Stainless Steel for Lithium-Ion Battery Cases: Electrochemical Behaviour and Effects of Plating Time Open
With increasing demand for Li-ion batteries, studies are focusing on enhancing battery performance and safety. However, studies on battery cases remain scarce. Herein, we propose the use of super duplex stainless steel SAF2507, which is a …
View article: Electrochemically In-Situ Prepared Pani/Cerium Tungstate Composite: An Efficient Electrode Material for the Sensitive Electrochemical Detection of Hydrazine in Food and Environmental Samples
Electrochemically In-Situ Prepared Pani/Cerium Tungstate Composite: An Efficient Electrode Material for the Sensitive Electrochemical Detection of Hydrazine in Food and Environmental Samples Open
View article: Detection of Hydrazine in Kelp, Fish, and Water Samples Using in Situ Electro-Synthesized Polyaniline/Cerium Tungstate Coated Screen-Printed Electrode
Detection of Hydrazine in Kelp, Fish, and Water Samples Using in Situ Electro-Synthesized Polyaniline/Cerium Tungstate Coated Screen-Printed Electrode Open
View article: Non-Enzymatic Disposable Paper Sensor for One-Step Electrochemical Detection of Creatinine
Non-Enzymatic Disposable Paper Sensor for One-Step Electrochemical Detection of Creatinine Open
View article: Non-Enzymatic Disposable Paper Sensor for One-Step Electrochemical Detection of Creatinine
Non-Enzymatic Disposable Paper Sensor for One-Step Electrochemical Detection of Creatinine Open
View article: Graphene quantum dot nanocomposites: electroanalytical and optical sensor technology perspective
Graphene quantum dot nanocomposites: electroanalytical and optical sensor technology perspective Open
Electroanalytical and optical techniques are widely used in the development of nanomaterials-based sensor platforms. These techniques have a quick response, high sensitivity, and selectivity. Electroanalytical and optical techniques are wi…
View article: Multi-purpose low energy beam transport system for light heavy-ion beam accelerator
Multi-purpose low energy beam transport system for light heavy-ion beam accelerator Open
The bore diameters of magnets and envelopes of beams in a low energy beam transport (LEBT) system should be large. The large diameter of magnet expands the fringe field as the fringe field distribution depends on the aperture size of the m…
View article: Development of boron doped diamond electrodes material for heavy metal ion sensor with high sensitivity and durability
Development of boron doped diamond electrodes material for heavy metal ion sensor with high sensitivity and durability Open
We report on the optimized substrate pretreatment and deposition process conditions for boron-doped diamond (BDD) electrodes fabricated by hot-filament chemical vapor deposition (HFCVD). The optimized BDD electrode with a doping concentrat…
View article: Observing the Distribution of Intact Molecules in Multi-Layer Organic Solar Cells Using Orbisims
Observing the Distribution of Intact Molecules in Multi-Layer Organic Solar Cells Using Orbisims Open
View article: Observing the Distribution of Intact Molecules in Multi-Layer Organic Solar Cells Using Orbisims
Observing the Distribution of Intact Molecules in Multi-Layer Organic Solar Cells Using Orbisims Open
View article: Embedded nanopattern for selectively suppressed thermal conductivity and enhanced transparency in a transparent conducting oxide film
Embedded nanopattern for selectively suppressed thermal conductivity and enhanced transparency in a transparent conducting oxide film Open
View article: Embedded Oxidized Ag–Pd–Cu Ultrathin Metal Alloy Film Prepared at Low Temperature with Excellent Electronic, Optical, and Mechanical Properties
Embedded Oxidized Ag–Pd–Cu Ultrathin Metal Alloy Film Prepared at Low Temperature with Excellent Electronic, Optical, and Mechanical Properties Open
Most transparent conducting materials are based on Sn:In2O3 (ITO). When applied onto flexible substrates, ITO can be prepared in an oxide-metal-oxide (OMO) configuration, typically ITO/Ag/ITO, where the ductility of t…
View article: Embedded Nanopattern for Selectively Suppressed Thermal Conductivity and Enhanced Transparency in a Transparent Conducting Oxide Film
Embedded Nanopattern for Selectively Suppressed Thermal Conductivity and Enhanced Transparency in a Transparent Conducting Oxide Film Open
View article: Hydrogen-driven surface amorphization of the transparent oxide semiconductor thin-films for photovoltaic applications
Hydrogen-driven surface amorphization of the transparent oxide semiconductor thin-films for photovoltaic applications Open
Crystalline transparent conductive oxides are promising candidates as front electrodes in electronic devices due to the high electron mobility and good optical transparency in the visible region. However, the rough surface morphology resul…
View article: A simple one-step electrochemical deposition of bioinspired nanocomposite for the non-enzymatic detection of dopamine
A simple one-step electrochemical deposition of bioinspired nanocomposite for the non-enzymatic detection of dopamine Open
A simple and cost - effective electrochemical synthesis of carbon - based nanomaterials for electrochemical biosensor is of great challenge these days. Our study describes a single - step electrochemical deposition strategy to prepare a na…