Pingkai Jiang
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Engineering the Dielectric Constants of Polymers: From Molecular to Mesoscopic Scales Open
Polymers are essential components of modern‐day materials and are widely used in various fields. The dielectric constant, a key physical parameter, plays a fundamental role in the light‐, electricity‐, and magnetism‐related applications of…
Wide Bandgap Heterostructured Dielectric Polymers by Rapid Photo‐Crosslinking for High‐Temperature Capacitive Energy Storage Open
Polymer dielectrics capable of operating stably at high temperatures (>150 °C) are urgently in great demand to catch up with the booming electric power systems. Enhancing the heat resistance of polymers is typically achieved through therma…
Study on Preparation and Properties of Ultrahigh Molecular Weight Polyethylene Composites Filled with Different Carbon Materials Open
The development of ultrahigh molecular weight polyethylene (UPE) has been restricted due to its linear structure and low thermal conductivity. In this paper, graphene oxide (GO) was prepared by the modified Hummers method, and then UPE/red…
Dielectric Manipulated Charge Dynamics in Contact Electrification Open
Surface charge density has been demonstrated to be significantly impacted by the dielectric properties of tribomaterials. However, the ambiguous physical mechanism of dielectric manipulated charge behavior still restricts the construction …
Thermo‐Optically Designed Scalable Photonic Films with High Thermal Conductivity for Subambient and Above‐Ambient Radiative Cooling Open
Radiative cooling is a promising passive cooling technology that reflects sunlight and emits heat to deep space without any energy consumption. Current research mainly focuses on cooling non‐heat‐generating objects (e.g., water) to a deep …
Spider Web-Inspired Graphene Skeleton-Based High Thermal Conductivity Phase Change Nanocomposites for Battery Thermal Management Open
Phase change materials (PCMs) can be used for efficient thermal energy harvesting, which has great potential for cost-effective thermal management and energy storage. However, the low intrinsic thermal conductivity of polymeric PCMs is a b…
Core-shell structured silk Fibroin/PVDF piezoelectric nanofibers for energy harvesting and self-powered sensing Open
The development of wearable and portable electronics calls for flexible piezoelectric materials to fabricate self-powered devices. However, a big challenge in piezoelectric material design is to boost the output performance while ensuring …
A high performance wearable strain sensor with advanced thermal management for motion monitoring Open
Resistance change under mechanical stimuli arouses mass operational heat, damaging the performance, lifetime, and reliability of stretchable electronic devices, therefore rapid thermal heat dissipating is necessary. Here we report a stretc…
View article: Highly conductive polymer nanocomposites for emerging high voltage power cable shields: experiment, simulation and applications
Highly conductive polymer nanocomposites for emerging high voltage power cable shields: experiment, simulation and applications Open
High voltage power cables play a critical role in global electricity transmission and distribution. The currently used power cables cannot fulfil the green and sustainable requirement of modern society because of the thermoset nature of ca…
Contents Open
Polypropylene possesses advantages of excellent electrical property, high operating temperature, and facile manufacturing processing with reduced cost.Increased production efficiency and unlimited cable length are also highly desirable pro…
Boron Nitride Nanosheets: High Energy Density Polymer Dielectrics Interlayered by Assembled Boron Nitride Nanosheets (Adv. Energy Mater. 36/2019) Open
In article number 1901826, Xingyi Huang, Qi Li and co-workers develop novel composite films with a nanosized interlayer of assembled boron nitride nanosheets (BNNSs) that is aligned along the in-plane direction, representing a new paradigm…
Enhancing discharged energy density and suppressing dielectric loss of poly(vinylidene fluoride‐ter‐trifluoroethylene‐ter‐chlorofluoroethylene) by a sandwiched structure Open
Polymer dielectrics with high energy density and low dielectric loss are highly desired due to the rapid development of electric devices. Among known polymers, poly(vinylidene fluoride‐ter‐trifluoroethylene‐ter‐chlorofluoroethylene) P(VDF‐…
Epoxy thermoset resins with high pristine thermal conductivity Open
Heat dissipation becomes a critical problem because of the miniaturisation and the increase of power density in electronic devices and electric equipment, which calls for electrical insulating materials with high thermal management capabil…
MoS<sub>2</sub> Nanosheet Superstructures Based Polymer Composites for High-Dielectric and Electrical Energy Storage Applications Open
This work reports the advances of utilizing molybdenum disulfide (MoS2) nanosheet superstructures to enhance dielectric property and electrical energy storage capability of flexible ferroelectric polymer composites. Hydrangea-like flowers …