Investigating dielectric and energy-storage capabilities in multiple metal ions modified BaTiO3-based composite ceramics

IF 3.9 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: B Pub Date : 2025-01-27 DOI:10.1016/j.mseb.2025.118053

Wenjing Yang, Mingtang Dong, Yuxi Yang

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Abstract

High-efficiency and environmentally-friendly energy source devices highly rely on ceramic capacitors with high dielectric and energy-storage capabilities. The multiple metal ions were added to BaTiO₃-based ceramic-matrix in order to comparatively investigate the dielectric and energy-storage capabilities. All ceramics displayed the single perovskite phase structure and dense microscopic morphology. In addition to the flatter dielectric stability window of −20 ∼ 200 °C in Ca²⁺ modified composite ceramics, the high impedance value (∼5 k) and activation energy (1.75 eV) showed well at temperatures above 700 °C. A high recovered energy-storage density W_rec = 1.09 J/cm³ with efficiency η = 92.3 % was achieved only at 90 kV/cm in the Zn²⁺ modified composite ceramics, which also exhibited good frequency, anti-fatigue, and temperature dependent energy-storage stability. The metal ions modifications provide a potential design strategy for ceramic capacitors to cope with future dielectric and energy-storage applications.

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来源期刊

Materials Science and Engineering: B 工程技术-材料科学：综合

CiteScore

5.60

自引率

2.80%

发文量

481

审稿时长

3.5 months

期刊介绍： The journal provides an international medium for the publication of theoretical and experimental studies and reviews related to the electronic, electrochemical, ionic, magnetic, optical, and biosensing properties of solid state materials in bulk, thin film and particulate forms. Papers dealing with synthesis, processing, characterization, structure, physical properties and computational aspects of nano-crystalline, crystalline, amorphous and glassy forms of ceramics, semiconductors, layered insertion compounds, low-dimensional compounds and systems, fast-ion conductors, polymers and dielectrics are viewed as suitable for publication. Articles focused on nano-structured aspects of these advanced solid-state materials will also be considered suitable.