A5047377934- Supercapacitor Materials and Fabrication
- Advanced battery technologies research
- Advancements in Battery Materials
- Conducting polymers and applications
- Electrocatalysts for Energy Conversion
- Advanced Battery Materials and Technologies
- Advanced Battery Technologies Research
- Fuel Cells and Related Materials
- Advanced Sensor and Energy Harvesting Materials
- Concrete and Cement Materials Research
- Electrospun Nanofibers in Biomedical Applications
- Innovative concrete reinforcement materials
- Concrete Properties and Behavior
- TiO2 Photocatalysis and Solar Cells
- Grouting, Rheology, and Soil Mechanics
- Nanowire Synthesis and Applications
- 2D Materials and Applications
- Catalytic Processes in Materials Science
- Graphene research and applications
- Nanoparticle-Based Drug Delivery
- Advanced Photocatalysis Techniques
- ZnO doping and properties
- Quantum Dots Synthesis And Properties
- Magnesium Oxide Properties and Applications
- Electrodeposition and Electroless Coatings
Korea Institute of Civil Engineering and Building Technology
2016-2025
Dongguk University
2025
Gyeongsang National University
2021-2024
University of Oxford
2018-2023
Gyeongnam National University of Science and Technology
2019-2021
Seoul National University of Science and Technology
2011-2019
Oxfam
2018-2019
Advanced Institute of Convergence Technology
2018
Convergence
2016-2017
Seoul Institute
2017
Abstract Recent supercapacitors show a high power density with long‐term cycle life time in energy‐powering applications. A supercapacitor based on single metal electrode accompanying multivalent cations, multiple charging/discharging kinetics, and electrical conductivity is promising energy‐storing system that replaces conventionally used oxide sulfide materials. Here, hierarchically nanostructured 2D‐Zn electrode‐ion (ZIC) reported which significantly enhances the ion diffusion ability...
The rapid expansion of the development electrochemical capacitor appliance and its industry areas has created need for long cycling stability over 30 000 cycles along with an ultrafast performance (referred to as longevity). In recent years, zinc-ion hybrid supercapacitors (ZICs) are considered be emerging energy storage applications thanks their high specific capacity remarkable stability. However, ZICs still face serious challenges in overcoming lifetime limitations related cathode...
Abstract Zinc‐ion hybrid supercapacitors (ZIHCs) are promising electrochemical energy storage system candidates owing to their eco‐friendliness, low‐cost, reliable safety, and high‐power density. Of particular note, ZIHCs desirable alternatives lithium‐ion batteries (LIBs) because they can overcome the disadvantages of LIBs, such as explosion hazard complex manufacturing process. Nevertheless, low specific capacity caused by limited active sites poor cycling stability wettability...
Carbon and metal oxide composites have received considerable attention as anode materials for Li-ion batteries (LIBs) owing to their excellent cycling stability high specific capacity based on the chemical physical of carbon theoretical oxides. However, efforts obtain ultrafast in at current density practical applications still face important challenges because longer diffusion pathway, which leads poor performance during cycling. Here, tunneled mesoporous nanofibers with embedded ZnO...
Abstract Smart wearable electronics that are fabricated on light‐weight fabrics or flexible substrates considered to be of next‐generation and portable electronic device systems. Ideal applications not only require the integrated into various fiber form factors, but also desire self‐powered system in such a way devices can continuously supplied with power as well simultaneously save acquired energy for their portability sustainability. Nevertheless, most all requiring both generation...
Transition metal nitrides have received significant attention in view of their application as pseudocapacitive electrodes high performance supercapacitors owing to capacitance, excellent electrical conductivity, electrochemical selectivity, and low environmental impact.
The valance engineering of β-MnO 2 via F-doping process triggers designing hierarchical spheres with interlaced nanosheets to accelerate electrochemical kinetics and capacity, ensuring superior high-rate aqueous zinc ion battery performances.
Abstract Flexible fibrous supercapacitors (FFS) are considered the next‐generation wearable energy storage devices because they provide reliable safety, eco‐friendliness, and high power density. In particular, FFS is desirable for application to electronics it can overcome disadvantages of lithium‐ion battery (LIB), such as hazard explosion complex manufacturing process. Nevertheless, practical continues be inhibited by poor performance due limited specific surface area, electrical...
An integrated textile electronic system is reported here, enabling a truly free form factor via manufacturing integration of fiber-based components. Intelligent and smart systems require freedom factor, unrestricted design, unlimited scale. Initial attempts to develop conductive fibers electronics failed achieve reliable performance required for industrial-scale technical textiles by standard weaving technologies. Here, we present with functional one-dimensional devices, including fiber...
An ultrathin zinc vanadium oxide (ZVO) layer is introduced onto a Zn anode surface using surface-coating method. This ZVO shown to inhibit corrosion of the and promote uniform deposition. Consequently, ZVO-coated (ZVO@Zn) significantly enhances performance stability ion batteries (ZIBs), demonstrating long-term cycling for 1000 h in symmetric cell at 2 mA cm–2. Additionally, ZVO@Zn||MnO2 shows improved capacity retention rate capabilities full-cell tests. The achieves specific capacities...
Because of their combined effects outstanding mechanical stability, high electrical conductivity, and theoretical capacity, silicon (Si) nanoparticles embedded in carbon are a promising candidate as electrode material for practical utilization Li-ion batteries (LIBs) to replace the conventional graphite. However, because poor ionic diffusion materials, low-grade ultrafast cycling performance at current densities remains considerable challenge. In present study, seeking improve diffusion, we...
Phototransistors that are based on a hybrid vertical heterojunction structure of two-dimensional (2D)/quantum dots (QDs) have recently attracted attention as promising device architecture for enhancing the quantum efficiency photodetectors. However, to optimize allow more efficient charge separation and transfer electrodes, better understanding photophysical mechanisms take place in these architectures is required. Here, we employ novel concept involving modulation built-in potential within...
Activated mesoporous carbon nanofibers are synthesized by a sequential process of electrospinning, water etching-assisted templating, and acid treatment, which exhibit outstanding capacitive performance.
Metal oxides as anode materials for Li-ion batteries (LIBs) are of significant interest to many potential technologies because their high theoretical capacity value, low price, and environmentally friendly features. In spite these considerable benefits ongoing progress in the field, momentous challenges exist, related with structural disintegration due volume expansion electrode materials. This leads rapid decline must be resolved order realistic utilization LIBs ultrafast cycling stability....