Jun‐Wei Zha
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View article: Covalent Adaptable Network Enables Sustainable Polyethylene for Next‐Generation Cable Insulation
Covalent Adaptable Network Enables Sustainable Polyethylene for Next‐Generation Cable Insulation Open
Cross‐linked polyethylene (XLPE) with favorable electrical and mechanical properties is a key component of high voltage power transmission. However, damages caused by strong electrical and high mechanical stresses tend to initiate structur…
View article: Plasma‐Modified Boron Nitride Nanosheets for High‐Performance Aramid‐Based Dielectric Films with Enhanced Multifunctionality
Plasma‐Modified Boron Nitride Nanosheets for High‐Performance Aramid‐Based Dielectric Films with Enhanced Multifunctionality Open
Aramid paper, due to its lightweight structure, mechanical strength, and excellent dielectric performance, is widely employed in insulation systems of electronic devices and high‐voltage equipment. However, its inherently poor thermal cond…
View article: An Innovative Digital Teaching Platform for Triaxial Tests on Saturated Clays: Integrating Constitutive Model Theory with Experimental Understanding
An Innovative Digital Teaching Platform for Triaxial Tests on Saturated Clays: Integrating Constitutive Model Theory with Experimental Understanding Open
This study addresses several challenges in traditional triaxial test teaching including high costs, poor environmental sustainability, and the lag of soil constitutive model education behind theoretical advancements. A digital platform for…
View article: Decoupling thermal stability and insulation in dielectric polymers via donor-acceptor rearrangement
Decoupling thermal stability and insulation in dielectric polymers via donor-acceptor rearrangement Open
Polymer dielectrics with enhanced thermal stability and electrical insulation are urgently needed for capacitive energy storage applications in electric power systems. There is a persistent challenge to break the contradictory correlation …
View article: Nano‐kaolin enhances the mechanical, electrical, and thermal properties of cellulose insulating paper
Nano‐kaolin enhances the mechanical, electrical, and thermal properties of cellulose insulating paper Open
There is an extremely urgent demand in the realm of power equipment, including power transformers, motors, and cables. Specifically, there is a pressing need for cellulose‐based composite insulating paper that can exhibit high thermal cond…
View article: Simultaneously enhanced energy storage and thermal conductive properties of polyimide dielectric films via facile sandwich structure design
Simultaneously enhanced energy storage and thermal conductive properties of polyimide dielectric films via facile sandwich structure design Open
High dielectric constant ( ε r ), large breakdown strength ( E b ) and improved thermal conductivity (λ) of polymer dielectric materials are critical in increasing the overall energy storage density and enhancing the electrical stability f…
View article: Core-shell engineered boron nitride nanotubes for enhancing dielectric properties of epoxy composites
Core-shell engineered boron nitride nanotubes for enhancing dielectric properties of epoxy composites Open
Boron nitride nanotubes (BNNTs), renowned for their exceptional properties, have emerged as innovative nanofillers for composite dielectrics. However, their practical implementation is hindered by intrinsically weak interfacial adhesion wi…
View article: Smart Polydimethylsiloxane Materials: Versatility for Electrical and Electronic Devices Applications
Smart Polydimethylsiloxane Materials: Versatility for Electrical and Electronic Devices Applications Open
Bio‐inspired autonomous smart polydimethylsiloxane (PDMS) and its composite materials hold immense promise for a wide range of applications in electrical and electronic devices. These materials mimic natural protective mechanisms with self…
View article: Editorial: Advanced technologies for electrical engineering - volume II
Editorial: Advanced technologies for electrical engineering - volume II Open
View article: A Light-Steered Self-Rowing Liquid Crystal Elastomer-Based Boat
A Light-Steered Self-Rowing Liquid Crystal Elastomer-Based Boat Open
Conventional machines often face limitations due to complex controllers and bulky power supplies, which can hinder their reliability and operability. In contrast, self-excited movements can harness energy from a stable environment for self…
View article: Breaking the adverse correlation between thermal stability and electrical insulation in polymer dielectrics by rearranging the donor and acceptor units
Breaking the adverse correlation between thermal stability and electrical insulation in polymer dielectrics by rearranging the donor and acceptor units Open
Polymer dielectrics with enhanced thermal stability and electrical insulation are urgently needed for capacitive energy storage applications in electric power systems. There is a persistent challenge to break the contradictory correlation …
View article: The Light-Fueled Stable Self-Rolling of a Liquid Crystal Elastomer-Based Wheel
The Light-Fueled Stable Self-Rolling of a Liquid Crystal Elastomer-Based Wheel Open
Self-excited systems rely on stable external stimuli to initiate and sustain oscillations via internal processes. However, these oscillations can compromise system stability and increase friction, limiting their practical applications. To …
View article: Biomimetic Tactile Sensor for Dynamic-Static Perception Based on Piezoionic and Piezoresistive Effects
Biomimetic Tactile Sensor for Dynamic-Static Perception Based on Piezoionic and Piezoresistive Effects Open
View article: Eco-friendly Dielectric Insulation Materials with Life Cycle Sustainability
Eco-friendly Dielectric Insulation Materials with Life Cycle Sustainability Open
Modern electrical infrastructure relies heavily on insulation materials. Critical examples include polyimide films in microelectronics, epoxy resins in transformers, silicone rubber on outdoor insulators, and polyolefins in power cables. T…
View article: Coordination of Ultralow Permittivity and Higher Thermal Conductivity of Polyimide Induced by Unique Interfacial Self‐Assembly Behavior
Coordination of Ultralow Permittivity and Higher Thermal Conductivity of Polyimide Induced by Unique Interfacial Self‐Assembly Behavior Open
Upgrading the available dielectric materials is the most effective approach to solve the poor quality of signal transmission and heat buildup caused by high density integration. In this work, a design strategy for multilayer 3D porous comp…
View article: Synergies and applications of polyimides featured low permittivity and high thermal conductivity
Synergies and applications of polyimides featured low permittivity and high thermal conductivity Open
The continuous upgrading of electronic technology has facilitated the integration and miniaturization of electronic and electrical equipment, as well as putting great pressure on the multifunctional demand for internal materials. Developin…
View article: Aging and life control of cross-linked polyethylene as cable insulation material
Aging and life control of cross-linked polyethylene as cable insulation material Open
Cross-linked polyethylene (XLPE) has been widely used in the field of power cables due to its excellent mechanical properties and insulating properties. However, during the manufacturing of high voltage cables, XLPE will inevitably be affe…
View article: Research progress of flexible energy storage dielectric materials with sandwiched structure
Research progress of flexible energy storage dielectric materials with sandwiched structure Open
Polymer dielectric materials show wide applications in smart power grids, new energy vehicles, aerospace, and national defense technologies due to the ultra-high power density, large breakdown strength, flexibility, easy processing, and se…
View article: Fabricating multifunctional PLA textiles with advanced respiratory detection and environmental safety
Fabricating multifunctional PLA textiles with advanced respiratory detection and environmental safety Open
Currently, polylactic acid (PLA) is an attractive alternative to polypropylene (PP) because of its biodegradability. This study introduces a novel modification strategy for PLA by creating a multifunctional ionization layer with ionic salt…
View article: Effect of nucleating agents on the electrical properties of cross‐linked polyethylene under tensile stress
Effect of nucleating agents on the electrical properties of cross‐linked polyethylene under tensile stress Open
During the operation of high‐voltage cables, external stress and residual stress can affect the aggregated structure of insulating materials and lead to significant deterioration in their electrical performance. To investigate the evolutio…
View article: Index
Index Open
View article: Sandwich-structured BOPET films with high energy density and low loss for high temperature film capacitors
Sandwich-structured BOPET films with high energy density and low loss for high temperature film capacitors Open
Film capacitors have widely been used in modern electrical/electronic equipment because of their high insulation property and high-power density. However, the traditional dielectric films suffered a high conduction loss under high temperat…
View article: Guest Editorial: High‐performance polyimide dielectric materials
Guest Editorial: High‐performance polyimide dielectric materials Open
Polyimides are advanced polymeric materials that are well known for their excellent thermal, mechanical, electrical and chemical resistance properties. As an important kind of high-temperature resistant dielectric material, polyimides have…
View article: Molecular dynamics simulations guided the preparation of nano-silica/polyimide/cellulose composite insulating paper
Molecular dynamics simulations guided the preparation of nano-silica/polyimide/cellulose composite insulating paper Open
Following the surge in power loads and continuous improvement in the voltage level, insulating papers' mechanical and electrical properties face new challenges. However, traditional inefficient “tentative” trial and error experiments are f…
View article: A compressed structure construction and transformation in metal nanoclusters
A compressed structure construction and transformation in metal nanoclusters Open
View article: Enhancement of thermal stability and insulation properties of cellulose composites insulating paper by the first introduction of polyimide fiber
Enhancement of thermal stability and insulation properties of cellulose composites insulating paper by the first introduction of polyimide fiber Open
Traditional inefficient "tentative" trial and error experiments are difficult to rapidly and efficiently prepare synthetic fiber/cellulose composites with high thermal stability and strong insulation properties because the direct scientifi…
View article: Editorial: Polymers for high electric field applications
Editorial: Polymers for high electric field applications Open
Polymers have been found to have wide applications in power equipment, due to their
\nexcellent electric insulation properties, energy storage performance, and mechanical
\nbehaviors. The continuous development of electric systems towards …
View article: Electric field regulation of polypropylene insulation for high voltage DC cables
Electric field regulation of polypropylene insulation for high voltage DC cables Open
High voltage cable is the key factor to determine the quality and capacity of power transmission. Polypropylene has widely attracted more attention because of its excellent heat resistance, insulation and green environmental protection, an…
View article: Rigid/flexible molecular structure‐induced polyimide aerogels with ultralow permittivity and thermal insulation properties
Rigid/flexible molecular structure‐induced polyimide aerogels with ultralow permittivity and thermal insulation properties Open
A series of high‐performance linear and cross‐linked polyimide (PI) aerogels with different molecular structures have been successfully synthesised using the freeze‐drying process. In this study, the comprehensive regulation of microstruct…
View article: Enhancement of high temperature capacitive performance of sulfone-containing polyimide by suppressing carrier transport
Enhancement of high temperature capacitive performance of sulfone-containing polyimide by suppressing carrier transport Open
With the increasing demand for safe operation in harsh environments, polymer dielectric capacitors with high energy density (Ue) and charge-discharge efficiency (η) operating at high temperatures are urgently needed. In this work, the sulf…