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Polymer-Based Dielectric Materials for Energy Storage

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

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 2916

Special Issue Editor


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Guest Editor
School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin, China
Interests: energy storage; polarization; efficiency; polymer; dielectric composite; material characterization; advanced materials; simulation; data analysis

Special Issue Information

Dear Colleagues,

Dielectric capacitors are widely used in microelectronics, biomedical, hybrid vehicles, high-power transducers, high-voltage power transmission systems and military applications due to their fast charge/discharge speeds and good power density. Importantly, dielectric material is one of the key parts of dielectric capacitors. The motivation of this Special Issue (SI) is to investigate the influence of chemical composition, microstructure and heat treatment on the energy storage performance of dielectric composites, and can include big-data analyses and simulations on this kind of dielectric composites, which can significantly improve the energy storage performance of dielectric capacitors. This SI offers some new methods, materials and strategies for the fabrication of composite dielectrics for simultaneously realizing a great breakdown strength, a good discharged energy density and an excellent discharging efficiency. Finally, these works provide some ideal candidates for next-generation high-pulse-energy storage capacitors.

Dr. Yue Zhang
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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Keywords

  • dielectric
  • energy storage
  • polarization
  • efficiency
  • polymer

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Published Papers (1 paper)

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Research

18 pages, 6519 KiB  
Article
Enhancement of Energy Storage Performance of PMMA/PVDF Composites by Changing the Crystalline Phase through Heat Treatment
by Changhai Zhang, Xu Tong, Zeyang Liu, Yue Zhang, Tiandong Zhang, Chao Tang, Xianli Liu and Qingguo Chi
Polymers 2023, 15(11), 2486; https://doi.org/10.3390/polym15112486 - 28 May 2023
Cited by 17 | Viewed by 2631
Abstract
In today’s contemporary civilization, there is a growing need for clean energy focused on preserving the environment; thus, dielectric capacitors are crucial equipment in energy conversion. On the other hand, the energy storage performance of commercial BOPP (Biaxially Oriented Polypropylene) dielectric capacitors is [...] Read more.
In today’s contemporary civilization, there is a growing need for clean energy focused on preserving the environment; thus, dielectric capacitors are crucial equipment in energy conversion. On the other hand, the energy storage performance of commercial BOPP (Biaxially Oriented Polypropylene) dielectric capacitors is relatively poor; hence, enhancing their performance has drawn the attention of an increasing number of researchers. This study used heat treatment to boost the performance of the composite made from PMAA and PVDF, combined in various ratios with good compatibility. The impacts of varying percentages of PMMA-doped PMMA/PVDF mixes and heat treatment at varying temperatures were systematically explored for their influence on the attributes of the blends. After some time, the blended composite’s breakdown strength improves from 389 kV/mm to 729.42 kV/mm at a processing temperature of 120 °C. Consequently, the energy storage density is 21.12 J/cm3, and the discharge efficiency is 64.8%. The performance has been significantly enhanced compared to PVDF in its purest state. This work offers a helpful technique for designing polymers that perform well as energy storage materials. Full article
(This article belongs to the Special Issue Polymer-Based Dielectric Materials for Energy Storage)
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