- Supercapacitor Materials and Fabrication
- Advancements in Battery Materials
- Advanced battery technologies research
- Electrocatalysts for Energy Conversion
- Advanced Battery Materials and Technologies
- Conducting polymers and applications
- MXene and MAX Phase Materials
- Advanced Battery Technologies Research
- Electrospun Nanofibers in Biomedical Applications
- Advanced Photocatalysis Techniques
- Aluminum Alloy Microstructure Properties
- Aluminum Alloys Composites Properties
- Corrosion Behavior and Inhibition
- Gas Sensing Nanomaterials and Sensors
- Bone Tissue Engineering Materials
- Graphene research and applications
- Covalent Organic Framework Applications
- Electrophoretic Deposition in Materials Science
- ZnO doping and properties
- Nanomaterials for catalytic reactions
- Ferroelectric and Piezoelectric Materials
- Electrochemical sensors and biosensors
- Copper-based nanomaterials and applications
- Aerogels and thermal insulation
- Magnetic Properties and Synthesis of Ferrites
Tabbin Institute for Metallurgical Studies
2012-2025
Yeungnam University
2017-2022
Government of the Republic of Korea
2018-2019
American University in Cairo
2017-2018
Helwan University
2018
National Taiwan University
2013-2015
Academia Sinica
2013-2015
Institute of Physics, Academia Sinica
2014
A highly conductive mesoporous hollow-nanostructured C-NiCo<sub>2</sub>S<sub>4</sub> synthesized by a one-step procedure exhibited remarkable electrochemical activity and stability for supercapacitor applications.
A successive preparation of FeCo2O4 nanoflakes arrays on nickel foam substrates is achieved by a simple hydrothermal synthesis method. After 170 cycles, high capacity 905 mAh g(-1) at 200 mA current density and very good rate capabilities are obtained for lithium-ion battery because the 2D porous structures arrays. The distinctive structural features provide with excellent electrochemical performance. symmetric supercapacitor nonaqueous electrolyte demonstrates specific capacitance 433 F 0.1...
The development of Li-O2 battery electrocatalysts has been extensively explored recently. Co3O4 oxide attracted much attention because its bifunctional activity and high abundance. In the present study, toxic Co(2+) replaced through substitution on tetrahedral spinel A site ions with environmental friendly metals (Mn(2+), Fe(2+), Ni(2+), Zn(2+)), porous nanorod structure are formed. Among these MCo2O4 cathodes, FeCo2O4 surface highest Co(3+) ratio. Thus, oxygen can be easily adsorbed onto...
Abstract In recent years, rapid technological advances have required the development of energy-related devices. this regard, Supercapacitors (SCs) been reported to be one most potential candidates meet demands human’s sustainable owing their unique properties such as outstanding cycling life, safe operation, low processing cost, and high power density compared batteries. This review describes concise aspects SCs including charge-storage mechanisms scientific principles design well...
Rational design of binder-free materials with high cyclic stability and conductivity is a great need for performance supercapacitors. We demonstrate facile one-step synthesis method MnO@C nanofibers as electrodes supercapacitor applications. The topology the fabricated was investigated using FESEM HRTEM. X-ray photoelectron spectroscopy (XPS) diffraction (XRD) analyses confirm formation MnO structure. electrospun achieve specific capacitance 578 F/g at 1 A/g an outstanding cycling...
Supercapacitors are one of the most promising renewable-energy storage systems. In this study, a three-dimensional walking palm-like core-shell CoMoO4@NiCo2S4@nickel foam (NF) nanostructure was synthesized using two-step hydrothermal method for high electrochemical performance. The as-prepared composite exhibited areal capacitance 17.0 F cm-2 (2433 g-1) at current density 5 mA in three-electrode system. results revealed outstanding cycling stability 114% after 10 000 charge-discharge cycles....
This study reports the successful synthesis of ternary spinel-based ZnCo2O4 nanoflakes (NFs) with mesoporous architectures via combination a urea-assisted hydrothermal reaction calcination in an air atmosphere. Owing to their favorable mesostructures and desirable bifunctional oxygen reduction evolution activities, resulting NFs yielded stable cyclability at cut-off capacity 500 mA h gcarbon−1 case aprotic Li–O2 batteries.
Rising interest in lightweight, thin, and flexible energy storage devices has led to numerous studies that aim fulfill the special needs of next-generation, high-performance electronics. In this study, flower-like ZnCo2O4 nanowires are fabricated by a facile hydrothermal method followed heat treatment air at 400 °C. The structures morphologies as-prepared characterized X-ray diffraction, scanning electron microscopy, transmission microscopy. data indicate as-synthesized approximately 2.5 μm...
Abstract The α‐MnS nanoflakes/rGO sheets were obtained via a facile one‐step hydrothermal approach using carbon disulfide as sulfur source, and ethylenediamine complexing agent which forms complex with Mn 2+ ions. Oil droplets of water are bridged the hydrophobic/hydrophilic nature ethylenediamine. α‐MnS/rGO was successfully co‐doped by nitrogen action CS 2 , respectively. as‐prepared material exhibits an excellent electrochemical performance remarkable specific capacitance 700 F g −1 at...