Polymer-Based Dielectric Composite Materials for Energy Applications

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: 5 May 2025 | Viewed by 2439

Special Issue Editors

Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
Interests: polymer composites; dielectric materials; energy storage; ferroelectric; energy harvesting

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Guest Editor
School of Electronic Information and Artificial Intelligence, Shaanxi University of Science and Technology, Xi'an 710021, China
Interests: piezoelectric; cellulose; functional composites; multi-mode; smart materials

Special Issue Information

Dear Colleagues,

Polymer-based composites exhibit a number of advantages over their ceramic or ceramic-based composite counterparts, including easy processing, low manufacturing costs, flexibility, low dielectric constants, a high breakdown strength, etc., in application fields such as electrostatic energy storage capacitors, triboelectric nanogenerators, etc. In recent years, the study of polymers and their composites has drawn great interest in these fields. The adoption of polymer-based composites has greatly improved several significant material parameters, including energy storage density, charge–discharge efficiency, high-frequency dielectric constants, and triboelectric properties of materials. On the other hand, issues regarding polymer-based composites have also been raised, which include interfacial defects, the influence of filler dimensions and properties, high-temperature applications, etc. Therefore, both opportunities and challenges are faced by researchers in these fields.

Recognizing the importance of experiments and simulations in understanding the properties and novel applications of polymer-based composites across scales and under a variety of conditions, this Special Issue of Polymers invites contributions covering several aspects of polymer composites, such as dielectric nanocomposites for energy storage, the development of high-temperature composites for energy storage, percolative composites filled with electrically conductive fillers for electrode materials, polymer composites for modulation of the friction properties of the triboelectric nanogenerators for energy harvesting, etc. The above list is only indicative and by no means exhaustive; articles reporting original experimental or simulation work on polymer-based composites, as well as review articles, are welcome.

Dr. Gang Jian
Dr. Zixiong Sun
Guest Editors

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Keywords

  • polymer-based composites
  • dielectric
  • energy storage
  • capacitors
  • ferroelectric
  • energy harvesting

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Published Papers (1 paper)

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Research

14 pages, 3684 KiB  
Article
A Mousepad Triboelectric-Piezoelectric Hybrid Nanogenerator (TPHNG) for Self-Powered Computer User Behavior Monitoring Sensors and Biomechanical Energy Harvesting
by Gang Jian, Ning Yang, Shangtao Zhu, Qingzhen Meng and Chun Ouyang
Polymers 2023, 15(11), 2462; https://doi.org/10.3390/polym15112462 - 26 May 2023
Cited by 2 | Viewed by 1540
Abstract
Hybrid nanogenerators based on the principle of surface charging of functional films are significant in self-powering sensing and energy conversion devices due to their multiple functions and high conversion efficiency, although applications remain limited due to a lack of suitable materials and structures. [...] Read more.
Hybrid nanogenerators based on the principle of surface charging of functional films are significant in self-powering sensing and energy conversion devices due to their multiple functions and high conversion efficiency, although applications remain limited due to a lack of suitable materials and structures. Here, we investigate a triboelectric-piezoelectric hybrid nanogenerator (TPHNG) in the form of a mousepad for computer user behavior monitoring and energy harvesting. Triboelectric and piezoelectric nanogenerators with different functional films and structures work independently to detect sliding and pressing movements, and the profitable coupling between the two nanogenerators leads to enhanced device outputs/sensitivity. Different mouse operations such as clicking, scrolling, taking-up/putting-down, sliding, moving rate, and pathing can be detected by the device via distinguishable patterns of voltage ranging from 0.6 to 36 V. Based on operation recognition, human behavior monitoring is realized, with monitoring of tasks such as browsing a document and playing a computer game being successfully demonstrated. Energy harvesting from mouse sliding, patting, and bending of the device is realized with output voltages up to 37 V and power up to 48 μW while exhibiting good durability up to 20,000 cycles. This work presents a TPHNG utilizing surface charging for self-powered human behavior sensing and biomechanical energy harvesting. Full article
(This article belongs to the Special Issue Polymer-Based Dielectric Composite Materials for Energy Applications)
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