Preparation of a novel cross‐linked polyetherimide
The sharply reduced energy storage performance of high Tg polymer dielectrics with increasing temperature is mainly
Excellent energy storage performance of polyetherimide filled by
High energy storage density and efficiency are obtained in polyetherimide composites. The diameter of nanofiber will impact the electric field
Enhancing high-temperature energy storage performance of
Polymer dielectrics with high energy density (ED) and excellent thermal resistance (TR) have attracted increasing attention with miniaturization and integration of electronic devices. However, most polymers are not adequate to meet these requirements due to their organic skeleton and low dielectric constant. Herein, we propose to fabricate
Effect exponentially distributed trapped charge jump transport on energy storage performance in polyetherimide
It is worth noting that when the diameter of BT NFs is about 500 nm (BT-2), the polyetherimide (PEI) based composite [email protected]2/PEI with a filling volume of 0.5 vol.% has excellent energy
Synergy of charge capture and transfer by Ni-MOF nanosheets for enhancing energy storage performance of polyetherimide
Polymer-based dielectric nanocomposites with excellent energy storage performance and good thermal stability are essential to meet the demand for dielectric cap Hongye Li, Yuxiao Li, Xuelin Yang, Dahuan Liu, Xiaolin Liu; Synergy of charge capture and transfer by Ni-MOF nanosheets for enhancing energy storage performance of
Energy storage density and efficiency of polyetherimide
Polyetherimide nanocomposites (PEI PNCs) have high energy storage performance, and become the next generation advanced dielectric s However, the quantitative relation between the charge transport
Significantly increased energy density and discharge efficiency at
Polymer dielectrics with available energy storage performance at high temperatures are critical to meet the demands of emerging applications such as hybrid electric vehicles
Simulation of the Energy Storage Properties of Polyetherimide
In order to clarify the key factors affecting the energy storage performance of the linear polymer dielectrics, we constructed an energy storage and energy release model of the
Achieving Excellent Dielectric and Energy Storage Performance in Core-Double-Shell-Structured Polyetherimide
The development of pulse power systems and electric power transmission systems urgently require the innovation of dielectric materials possessing high-temperature durability, high energy storage density, and efficient charge–discharge performance. This study introduces a core-double-shell-structured iron(II,III) oxide@barium titanate@silicon
Simulation of the Energy Storage Properties of Polyetherimide
Linear polymer dielectrics have become the ideal materials for high-energy-density capacitors because of their high breakdown strength and lightweight, but the low-energy storage density greatly limits their practical application. The charge injection and transport are closely related to the energy storage performance. In order to clarify the key factors
Excellent high-temperature energy storage capacity for polyetherimide
Furthermore, this composite film exhibits a maximum energy storage density of 10.34 J cm −3 and an energy storage efficiency of 88.13% at 150 C. Combined with finite element simulation results, it confirms that the synergistic effect of 2D SrTiO 3 plates and sandwich-structured can effectively hinder the development of electric trees.
Novel Polyetherimide Dielectrics: Molecular Design, Energy
The development of high temperature resistant dielectrics with excellent dielectric properties and self-healing behavior is crucial for the application of metallized
Mesoscopic trap and elastic properties of polyetherimide nanocomposites with improved energy storage
Polymer nanocomposites (PNCs) are important energy storage dielectrics for capacitors. However, the lack of quantitative research on the properties of mesoscopic scale conductivity, traps, and Young''s modulus in interfacial regions between polyetherimide and nanofillers results in an unclear understanding of the relation
Effect of humidity on the microstructure and energy storage properties of polyetherimide
The linear polymer, polyetherimide (PEI), has attracted much attention in recent years due to its high energy storage efficiency and high operating temperature. In this work, the effect of humidity on the relevant properties of PEI is investigated by changing the ambient humidity during electrostatic spinning.
Enhanced Energy Storage Performance with High-Temperature
Polyetherimide (PEI) nanocomposite doped with hafnium oxide (HfO 2 ) nanoparticles have been prepared by conventional solution cast method to investigate the effect of
Carboxylated Poly (p-Phenylene Terephthalamide) Reinforced Polyetherimide for High-Temperature Dielectric Energy Storage
Dielectric energy storage polymers play a vital role in advanced electronics and electrical systems, due to their high breakdown strength, excellent reliability, and easy fabrication. However, the low dielectric constant and poor thermal resistance of dielectric polymers limit their energy storage density and working temperatures, making them less versatile for
Effect of humidity on the microstructure and energy storage properties of polyetherimide
The energy storage density of 50% RH is about 3.5J/cm3 but the effi ciencyisgreaterthan90% RH.Takentogether,itcan beseenthatthe humidity of the spinning environment has a large impact on the
High temperature electrical breakdown and energy storage performance improved by hindering molecular motion in polyetherimide
Polyetherimide (PEI) is widely used as a material for high temperature and high power energy storage capacitors in new energy vehicles and other fields. However, as the temperature increases, the electrical conductivity increases and the breakdown strength decreases, which greatly reduces the energy storage density of the capacitor and limits
High temperature dielectric breakdown and energy storage properties of polyetherimide
High temperature dielectric breakdown and energy storage properties of polyetherimide nanocomposites improved by hindering molecular motion July 2023 DOI: 10.21203/rs.3.rs-3179663/v1
Enhanced High‐Temperature Energy Storage Performance of
1 Introduction Electrostatic capacitors are broadly used in inverters and pulse power system due to its high insulation, fast response, low density, and great reliability. [1-6] Polymer materials, the main components of electrostatic capacitors, have the advantages of excellent flexibility, high voltage resistance and low dielectric loss, but the
Excellent high-temperature energy storage capacity for polyetherimide
The BNNS@ST-2/PEI nanocomposites with the same filler volume fraction has an energy storage density of 4.29 J cm −3 at 500 MV m −1, whereas pristine PEI has an energy storage density of 1.74 J cm −3 at 450 MV m −1.
Improved high-temperature energy storage of polyetherimide by
Polyetherimide (PEI) for high-temperature energy storage still face the critical problem of low discharged energy density. The dramatic increase in leakage current is the basic reason for the deterioration of energy storage characteristics under elevated
Mesoscopic trap and elastic properties of polyetherimide nanocomposites with improved energy storage
DOI: 10.1016/j.mtener.2023.101422 Corpus ID: 262224483 Mesoscopic trap and elastic properties of polyetherimide nanocomposites with improved energy storage performance @article{Min2023MesoscopicTA, title={Mesoscopic trap and elastic properties of
In Situ polymerized polyetherimide/Al2O3 nanocomposites with
High-temperature polymer nanocomposites with high energy storage density (U e) are promising dielectrics for capacitors used in electric vehicles, aerospace,
Poly(ether imide)-Based Composites with Ultrahigh Energy Storage
The polymer dielectric is a promising material for intelligent and energy-saving applications in modern electronic and power systems. However, there are many crucial drawbacks in the applications at elevated temperatures, such
Improved capacitive energy storage performance in hybrid films
Dielectric capacitors play a pivotal role in advanced high-power electrical and electronic applications, acting as essential components for electrical energy storage. The current trend towards miniaturization in electronic devices and power systems highlights the increasing demand for scalable, high-performa
Poly(ether imide)-Based Composites with Ultrahigh Energy Storage
DOI: 10.1021/acsaelm.2c00147 Corpus ID: 248147208 Poly(ether imide)-Based Composites with Ultrahigh Energy Storage Capability and Thermal Stability @article{Yuan2022PolyetherIC, title={Poly(ether imide)-Based Composites with Ultrahigh Energy Storage Capability and Thermal Stability}, author={Zie Yuan and Xiujuan Lin and
Effect of humidity on the microstructure and energy storage properties of polyetherimide
DOI: 10.1063/5.0066003 Corpus ID: 239115087 Effect of humidity on the microstructure and energy storage properties of polyetherimide @article{Feng2021EffectOH, title={Effect of humidity on the microstructure and energy storage properties of polyetherimide}, author={Mengjia Feng and Yu Feng and Zhijie
Ultrahigh discharge efficiency and excellent energy density in oriented core-shell nanofiber-polyetherimide composites
A new energy-storage dielectric system—polyetherimide (PEI) composite is developed. • The orientation of core-shell structured nanofibers is achieved in the composites. • Efficiency of 90% and density of 11.3 J/cm 3
Excellent high-temperature energy storage capacity for polyetherimide
Tuning the interfacial insulating shell characteristics in CaCu 3 Ti 4 O 12 nanowires/polyetherimide nanocomposites for high-temperature capacitive energy storage J Mater Chem C, 10 ( 20 ) ( 2022 ), pp. 7962 - 7969
سابق：what are the requirements for energy storage installed capacity units
التالي：energy storage project development solution manufacturer
