A5072598440- Advanced Sensor and Energy Harvesting Materials
- Dielectric materials and actuators
- Ferroelectric and Piezoelectric Materials
- Electromagnetic wave absorption materials
- High voltage insulation and dielectric phenomena
- Hydrogen embrittlement and corrosion behaviors in metals
- Non-Destructive Testing Techniques
- Conducting polymers and applications
- High-Temperature Coating Behaviors
- Corrosion Behavior and Inhibition
- Fusion materials and technologies
- Synthesis and properties of polymers
- Ion-surface interactions and analysis
- Arsenic contamination and mitigation
- MXene and MAX Phase Materials
- Polymer Nanocomposites and Properties
- Tactile and Sensory Interactions
- Microplastics and Plastic Pollution
- Gas Sensing Nanomaterials and Sensors
- Integrated Circuits and Semiconductor Failure Analysis
- Graphene research and applications
- Fuel Cells and Related Materials
- Subcritical and Supercritical Water Processes
- Dielectric properties of ceramics
- Particle accelerators and beam dynamics
Harbin Institute of Technology
2022-2025
Weinan Normal University
2024
Xi'an Shiyou University
2024
Wuhan University of Technology
2014-2019
Pennsylvania State University
2016-2019
China General Nuclear Power Corporation (China)
2010-2017
Materials Science & Engineering
2014
State Council of the People's Republic of China
2014
Suzhou Research Institute
2012
Ferroelectric polymer nanocomposites with boron nitride nanosheets exhibit greatly improved energy densities and higher charge–discharge efficiencies.
The development of advanced dielectric materials with high electric energy densities is crucial importance in modern electronics and power systems. Here, a new class multilayer‐structured polymer nanocomposites presented. outer layers the trilayered structure are composed boron nitride nanosheets dispersed poly(vinylidene fluoride) (PVDF) matrix to provide breakdown strength, while PVDF barium strontium titanate nanowires forms central layer offer constant resulting composites. influence...
Significance Polymers are the materials of choice for high-energy capacitive storage devices due to their inherent advantages such as being lightweight, ease processing, and high dielectric strength. Yet, performance deteriorates significantly with increasing operating temperature, which falls short emerging energy applications under harsh conditions. Here we demonstrate sandwich-structured polymer nanocomposites greatly improved densities, power remarkable charge–discharge efficiencies that...
Polymer dielectrics are the preferred materials of choice for power electronics and pulsed applications. However, their relatively low operating temperatures significantly limit uses in harsh‐environment energy storage devices, e.g., automobile aerospace systems. Herein, hexagonal boron nitride ( h ‐BN) films prepared from chemical vapor deposition (CVD) readily transferred onto polyetherimide (PEI) films. Greatly improved performance terms discharged density charge–discharge efficiency is...
Dielectric materials with excellent energy storage capability at elevated temperatures are critical to meet the increasing demand of electrical and power conditioning extreme conditions such as hybrid electric vehicles, underground oil industries aerospace systems. This review study summarises important aspects recent advances in development nanostructured dielectric including ceramics, polymers polymer composites for high-temperature capacitor applications. The advantages limitations...
Abstract The introduction of inorganic components into a polymer matrix to form composites is an emerging and promising approach dielectric materials for capacitive energy storage. Ferroelectric polymers are particularly attractive as matrices owing their highest constant (≥10) among the known polymers. Here, important aspects recent advances in development ferroelectric‐polymer‐based high‐energy‐density capacitor applications summarized. preparation methods ferroelectric‐polymer with 0D,...
Abstract High temperature dielectric polymers are the favored materials for energy storage devices under harsh‐environment, e.g., electronic and power systems. It is widely acknowledged that capabilities of markedly deteriorated at elevated because exponential increased leakage current. Herein, all‐organic polymer alloys with two‐phase continuous hard‐soft structure have been firstly investigated via blending high glass transition ( T g ) fluorinated polyimide (FPI) bandgap aliphatic (API)....
Zwitterionic hydrogels have received considerable attention owing to their characteristic structures and integrating multifunctionality. However, the superhydrophilicity-induced poor mechanical properties severely hinder potential applications. Besides, from perspective of wide applications, zwitterionic with integrated high properties, conductivity multifunctionalities including self-adhesive, self-healing, photothermal are highly desirable yet challenging. Herein, a new class...
The continuous evolution toward electronics with high power densities and integrated circuits smaller feature sizes faster speeds places demands on a set of material properties, namely, the electrical, thermal, mechanical properties polymer dielectrics. Herein, supramolecular approach is described to self‐healable nanocomposites that are mechanically robust capable restoring simultaneously structural, dielectric, thermal transport after multiple fractures. With incorporation...
The exploration of electrocaloric cooling is great importance to address the environmental and energy-efficiency issues in currently available refrigeration technologies. Although pronounced effect (ECE) has been demonstrated ferroelectric materials, it a necessary but far from sufficient condition achieve substantial cooling. For instance, narrow operation temperature windows limited thermal conductivities materials pose challenging obstacles for realize high power density efficiency. In...
Dielectric materials with high breakdown strength and low loss are of crucial importance in capacitive energy storage electronics. Herein, a kind polymer blend composed poly(vinylidene fluoride‐trifluoroethylene‐chlorofluoroethylene) ferroelectric terpolymer linear dielectric poly(methyl methacrylate) (PMMA) is presented. The shows 733 MV/m charge‐discharge efficiency over 90% at 200 optimized PMMA content, which 101% 28% higher than that neat terpolymer. Moreover, microsecond discharge time...
Abstract Polymer dielectric films are widely used in advanced electronics, hybrid vehicles, etc., however, they encounter critical challenges, including significant thermal degradation and heightened leakage currents, which severely constrain their energy density efficiency under high‐temperature conditions. Herein, a novel strategy is proposed for constructing polyimide (PI) alloy by incorporating high‐bandgap copolymer of perfluoropropyl perfluorovinyl ether tetrafluoroethylene...