Jae‐Hak Choi
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View article: Tailored Polymer‐Based SEI via iCVD for Stable Zinc Metal Anodes in Aqueous Batteries through Modulation of Hydrophilicity and Elasticity to Inhibit Hydrogen Evolution Reactions
Tailored Polymer‐Based SEI via iCVD for Stable Zinc Metal Anodes in Aqueous Batteries through Modulation of Hydrophilicity and Elasticity to Inhibit Hydrogen Evolution Reactions Open
Zinc is attractive for battery applications because of its high theoretical capacity, abundance, safety, low redox potential, cost, and toxicity. However, Zn suffers from poor reversibility due to its low coulombic efficiency, dendrite gro…
View article: Recycling of Waste Cross‐Linked <scp>EVA</scp> Using Electron Beam Crosslinking and Pulverizing Technology
Recycling of Waste Cross‐Linked <span>EVA</span> Using Electron Beam Crosslinking and Pulverizing Technology Open
Waste crosslinked polymers are insoluble in solvent and do not melt in heat due to their three‐dimensional network structure. Therefore, not only the finished products but also the wastes generated during processing cannot be recycled and …
View article: Preparation and characterization of poly(ethylene‐co‐vinyl acetate)/high‐density polyethylene/aluminum hydroxide/clay composites by electron beam irradiation
Preparation and characterization of poly(ethylene‐co‐vinyl acetate)/high‐density polyethylene/aluminum hydroxide/clay composites by electron beam irradiation Open
In this study, poly(ethylene‐co‐vinyl acetate) (EVA)/high‐density polyethylene (HDPE)/aluminum hydroxide (ATH)/clays composites were prepared via melt‐mixing followed by electron beam irradiation (EBI). The effects of clays and EBI on the …
View article: Characterization of the 2.5 MeV ELV electron accelerator electron source angular distribution using 3-D dose measurement and Monte Carlo simulations
Characterization of the 2.5 MeV ELV electron accelerator electron source angular distribution using 3-D dose measurement and Monte Carlo simulations Open
Using the Monte Carlo method, the impact of the angular distribution of the electron source on the dose distribution for the 2.5 MeV ELV electron accelerator was explored. The experiment measured the 3-D dose distribution in the irradiatio…
View article: System-Level Consideration and Multiphysics Design of Propulsion Motor for Fully Electrified Battery Powered Car Ferry Propulsion System
System-Level Consideration and Multiphysics Design of Propulsion Motor for Fully Electrified Battery Powered Car Ferry Propulsion System Open
The Korean government is facing growing concern over the increasing levels of fine dust. A significant contribution to this problem comes from coastal vessels. To mitigate this, an electric ship propulsion system has been proposed as a sol…
View article: Radiative cooling wrapping films with controlled hierarchical porous structures
Radiative cooling wrapping films with controlled hierarchical porous structures Open
Current research has focused on effective solutions to mitigate global warming and the accelerating greenhouse gas emissions. Compared to most cooling methods requiring energy and resources, passive daytime radiative cooling (PDRC) technol…
View article: Preparation and cesium adsorption behavior of Prussian blue-based polypropylene nonwoven fabric by surfactant-assisted aqueous preirradiation graft polymerization
Preparation and cesium adsorption behavior of Prussian blue-based polypropylene nonwoven fabric by surfactant-assisted aqueous preirradiation graft polymerization Open
In this research, we demonstrate the environmentally benign and efficient preparation of poly(acrylic acid)-grafted hydrophobic non-woven polypropylene fabric (PP-g-PAA) by pre-irradiation graft polymerization in the presence of surfactant…
View article: Preparation and Electrochemical Characterization of Si@C Nanoparticles as an Anode Material for Lithium-Ion Batteries via Solvent-Assisted Wet Coating Process
Preparation and Electrochemical Characterization of Si@C Nanoparticles as an Anode Material for Lithium-Ion Batteries via Solvent-Assisted Wet Coating Process Open
Silicon-based electrodes are widely recognized as promising anodes for high-energy-density lithium-ion batteries (LIBs). Silicon is a representative anode material for next-generation LIBs due to its advantages of being an abundant resourc…
View article: Thermally Crosslinked Polyimide Binders for Si-alloy Anodes in Li-ion Batteries
Thermally Crosslinked Polyimide Binders for Si-alloy Anodes in Li-ion Batteries Open
Silicon (Si) has attracted considerable attention due to its high theoretical capacity compared to conventional graphite anode materials. However, Si-based anode materials suffer from rapid capacity loss due to mechanical failure caused by…
View article: Ion beam fabrication of an antifouling Pluronic F-108 thin film-based microwell bioplatform for highly resolved cell microarrays
Ion beam fabrication of an antifouling Pluronic F-108 thin film-based microwell bioplatform for highly resolved cell microarrays Open
Cell microarray bioplatform have been widely developed for fundamental and advanced biomedical research. However, it is still difficult to achieve site-specific adhesion due to the weak cell repellency of the background regions. Here, a mi…
View article: Comprehensive Design of DC Shipboard Power Systems for Pure Electric Propulsion Ship Based on Battery Energy Storage System
Comprehensive Design of DC Shipboard Power Systems for Pure Electric Propulsion Ship Based on Battery Energy Storage System Open
With the strengthening of international environmental regulations, many studies on the integrated electric propulsion systems applicable to eco-friendly ship are being conducted. However, few studies have been performed to establish a guid…
View article: Fabrication of Nitrogen Self-Doped Porous Carbons from Melamine Foam for Supercapacitors
Fabrication of Nitrogen Self-Doped Porous Carbons from Melamine Foam for Supercapacitors Open
Porous carbons have been widely used as electrode material for supercapacitors. However, commercial porous carbons, such as activated carbons, have low electrochemical performance. Nitrogen-doping is one of the most promising strategies to…
View article: Electrically stimulable indium tin oxide plate for long-term in vitro cardiomyocyte culture
Electrically stimulable indium tin oxide plate for long-term in vitro cardiomyocyte culture Open
Background: We investigated whether electrical stimulation via indium tin oxide (ITO) could enhance the in vitro culture of neonatal rat ventricular myocytes (NRVMs), which are important in vitro models for studying the mechanisms underlyi…
View article: Electrically stimulable indium tin oxide plate for long-term in vitro cardiomyocyte culture
Electrically stimulable indium tin oxide plate for long-term in vitro cardiomyocyte culture Open
Background: We investigated whether electrical stimulation via indium tin oxide (ITO) could enhance the in vitro culture of neonatal rat ventricular myocytes (NRVMs), which are important in vitro models for studying the mechanisms underlyi…
View article: Electrically stimulable indium tin oxide plate for long-term in vitro cardiomyocyte culture
Electrically stimulable indium tin oxide plate for long-term in vitro cardiomyocyte culture Open
Background We investigated whether electrical stimulation via indium tin oxide (ITO) could enhance the in vitro culture of neonatal rat ventricular myocytes (NRVMs), which are important in vitro models for studying the mechanisms underlyin…
View article: Additional file 2 of Electrically stimulable indium tin oxide plate for long-term in vitro cardiomyocyte culture
Additional file 2 of Electrically stimulable indium tin oxide plate for long-term in vitro cardiomyocyte culture Open
Additional file 2: Supplementary 2. live images a, b, c, and d. Comparison of live imaging between control at (a) day 7, (b) day 14 and stimulated groups at (c) day 7, (d). The beating area of the stimulated group gradually increased durin…
View article: Development and Performance Investigation on a 60kW Induction Motor for EV Propulsion
Development and Performance Investigation on a 60kW Induction Motor for EV Propulsion Open
This paper introduces the development process and investigation of a 60kW induction motor for electric vehicles. We present performance improvement in the induction motor of electric vehicle using copper die-casting based on a multi-gate p…
View article: Thermal Analysis of High Speed Induction Motor by Using Lumped-Circuit Parameters
Thermal Analysis of High Speed Induction Motor by Using Lumped-Circuit Parameters Open
This paper deals with the electromagnetic and thermal analysis of high speed induction motor. The induction motor is analyzed by time-varying magnetic finite element method and its thermal analysis is carried out by using analytical lumped…