Significant improvement of energy storage density and efficiency of 0.72Bi0.5Na0.5TiO3-0.28SrTiO3 ceramics and study of the mechanism of high temperature energy storage performance

IF 3.5 2区物理与天体物理 Q2 PHYSICS, APPLIED

Applied Physics Letters Pub Date : 2025-01-23 DOI:10.1063/5.0235963

Peng Shi, Jin Liu, Yuechan Song, Lina Liu, Wenwen Wu, Xiaobin Zhou, Xiaoming Chen, Yanmin Jia, Xiaojie Lou, Peng Liu

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引用次数: 0

Abstract

The energy storage properties of the 0.72Bi0.5Na0.5TiO3-0.28SrTiO3 system have been heavily investigated; however, achieving both high recoverable energy storage density (Wr) and large energy efficiency (η) remains a challenge. In this study, relaxor ferroelectric ceramics exhibiting high Wr and η were prepared by introducing BaSnO3 into 0.9(Bi0.5Na0.5)0.72Sr0.28TiO3-0.1Bi(Mg0.5Ti0.5)O3 relaxor ceramics. A remarkable Wr of 7.5 J/cm3 and η of 91.2% were achieved in the 0.94[0.9(Bi0.5Na0.5)0.72Sr0.28TiO3-0.1Bi(Mg0.5Ti0.5)O3]-0.06BaSnO3 ceramic at an electric field of 460 kV/cm. The η and the energy storage potential (Wr/Eb), respectively, surpass those reported for most ceramics in recent years. The introduction of high-temperature-stable BaSnO3 imparted excellent temperature and frequency stability to the ceramic. The ceramic exhibited a Wr of 3.6 J/cm3 and an η of 79.6% at 160 °C and 265 kV/cm. The sample has a power density of 202.8 MW/cm3, an energy density of 2.2 J/cm3 at an electric field of 260 kV/cm, and a fast charge–discharge capability.

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来源期刊

Applied Physics Letters 物理-物理：应用

CiteScore

6.40

自引率

10.00%

发文量

1821

审稿时长

1.6 months

期刊介绍： Applied Physics Letters (APL) features concise, up-to-date reports on significant new findings in applied physics. Emphasizing rapid dissemination of key data and new physical insights, APL offers prompt publication of new experimental and theoretical papers reporting applications of physics phenomena to all branches of science, engineering, and modern technology. In addition to regular articles, the journal also publishes invited Fast Track, Perspectives, and in-depth Editorials which report on cutting-edge areas in applied physics. APL Perspectives are forward-looking invited letters which highlight recent developments or discoveries. Emphasis is placed on very recent developments, potentially disruptive technologies, open questions and possible solutions. They also include a mini-roadmap detailing where the community should direct efforts in order for the phenomena to be viable for application and the challenges associated with meeting that performance threshold. Perspectives are characterized by personal viewpoints and opinions of recognized experts in the field. Fast Track articles are invited original research articles that report results that are particularly novel and important or provide a significant advancement in an emerging field. Because of the urgency and scientific importance of the work, the peer review process is accelerated. If, during the review process, it becomes apparent that the paper does not meet the Fast Track criterion, it is returned to a normal track.