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Ferroelectric/Dielectric Materials for Energy Storage Applications

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Energy Materials".

Deadline for manuscript submissions: 10 July 2024 | Viewed by 658

Special Issue Editor


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Guest Editor
School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710126, China
Interests: ferroelectric materials; dielectric materials; lead-free ceramics; electronic functional materials

Special Issue Information

Dear Colleagues,

Owing to the global energy crisis and environmental pollution, effective energy storage has become a hot topic being studied all over the world. Although batteries and electrochemical capacitors possess a high energy density, they suffer from low power density. In contrast, dielectric capacitors exhibit a relatively high power density, which can be used for electromagnetic catapults, military weapons, new energy vehicles and other pulsed power systems. Unfortunately, the conflicts between the polarization and the maximum applied electric field impede the improvement of energy storage performance and the applications of dielectric capacitors. Therefore, it is urgent to develop dielectric capacitors with high energy storage density and efficiency. 

Dr. Fei Yan
Guest Editor

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Keywords

  • ferroelectric and dielectric materials for energy storage
  • ceramic-based materials for energy storage
  • polymer-based materials for energy storage
  • theory and simulation for energy storage materials
  • strategy for optimizing the energy storage performance
  • advanced characterization techniques for energy storage materials

Published Papers (1 paper)

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Research

18 pages, 5875 KiB  
Article
(Sb0.5Li0.5)TiO3-Doping Effect and Sintering Condition Tailoring in BaTiO3-Based Ceramics
by Juanwen Yan, Bijun Fang, Shuai Zhang, Xiaolong Lu and Jianning Ding
Materials 2024, 17(9), 2085; https://doi.org/10.3390/ma17092085 - 29 Apr 2024
Viewed by 509
Abstract
(1-x)(Ba0.75Sr0.1Bi0.1)(Ti0.9Zr0.1)O3-x(Sb0.5Li0.5)TiO3 (abbreviated as BSBiTZ-xSLT, x = 0.025, 0.05, 0.075, 0.1) ceramics were prepared via a conventional solid-state sintering method under different sintering temperatures. All BSBiTZ-xSLT ceramics [...] Read more.
(1-x)(Ba0.75Sr0.1Bi0.1)(Ti0.9Zr0.1)O3-x(Sb0.5Li0.5)TiO3 (abbreviated as BSBiTZ-xSLT, x = 0.025, 0.05, 0.075, 0.1) ceramics were prepared via a conventional solid-state sintering method under different sintering temperatures. All BSBiTZ-xSLT ceramics have predominantly perovskite phase structures with the coexistence of tetragonal, rhombohedral and orthogonal phases, and present mainly spherical-like shaped grains relating to a liquid-phase sintering mechanism due to adding SLT and Bi2O3. By adjusting the sintering temperature, all compositions obtain the highest relative density and present densified micro-morphology, and doping SLT tends to promote the growth of grain size and the grain size distribution becomes nonuniform gradually. Due to the addition of heterovalent ions and SLT, typical relaxor ferroelectric characteristic is realized, dielectric performance stability is broadened to ~120 °C with variation less than 10%, and very long and slim hysteresis loops are obtained, which is especially beneficial for energy storage application. All samples show extremely fast discharge performance where the discharge time t0.9 (time for 90% discharge energy density) is less than 160 ns and the largest discharge current occurs at around 30 ns. The 1155 °C sintered BSBiTZ-0.025SLT ceramics exhibit rather large energy storage density, very high energy storage efficiency and excellent pulse charge–discharge performance, providing the possibility to develop novel BT-based dielectric ceramics for pulse energy storage applications. Full article
(This article belongs to the Special Issue Ferroelectric/Dielectric Materials for Energy Storage Applications)
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