High energy storage performance in ferroelectric ceramics (1−x)(0.67BiFeO3−0.33BaTiO3)−x(Sr0.8Ce0.1TiO3)

IF 1.8 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

International Journal of Applied Ceramic Technology Pub Date : 2025-01-20 DOI:10.1111/ijac.15023

Shaowei Gao, Wei Li, Xiang He, Dongfang Pang

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Abstract

In this work, Sr_0.8Ce_0.1TiO₃ (SCT) was doped into BiFeO₃–BaTiO₃ (BF–BT) to form a ternary solid solution with relaxor ferroelectric characteristics. Constricted P–E loops were observed due to the composition-induced phase transition, and a significant grain size reduction was observed in the SCT-doped ceramics. The elongated P–E hysteresis loops revealed that the ternary system had good energy storage characteristics. BF–BT–0.4SCT ceramics possessed the maximum recoverable energy storage (W_rec) of 1.94 J/cm³ and efficiency (η) of 76.1 % under an electric field of 190 kV/cm. More importantly, the BF–BT–0.4SCT ceramic exhibited excellent fatigue endurance (∆W_rec< 1.1%, after 10³ fatigue cycles) under an electric field of 100 kV/cm, superior to most previous works. At the same time, the BF–BT–0.4SCT ceramic also showed high frequency stability, and fast discharge rate (t_0.9 < .05 µs). In addition, the BF–BT–0.4SCT ceramic also exhibited considerable charging–discharging performance with a relatively high current density (127 A/cm²) and power density (5.8 MW/cm³). Therefore, this work helps broaden the development of BF-based and other lead-free ceramics for energy storage applications.

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高储能性能的铁电陶瓷（1−x）(0.67BiFeO3−0.33BaTiO3)−x（Sr0.8Ce0.1TiO3）

本文将Sr0.8Ce0.1TiO3 （SCT）掺杂到BiFeO3-BaTiO3 （BF-BT）中，形成具有弛豫铁电特性的三元固溶体。由于组分诱导的相变，观察到压缩的P-E环，并且在sct掺杂的陶瓷中观察到明显的晶粒尺寸减小。延长的P-E磁滞回线表明该三元体系具有良好的储能特性。在190 kV/cm的电场下，BF-BT-0.4SCT陶瓷的最大可回收储能（Wrec）为1.94 J/cm3，效率（η）为76.1%。更重要的是，BF-BT-0.4SCT陶瓷表现出优异的疲劳耐久性(∆Wrec <；在100kv /cm的电场作用下，经103次疲劳循环（1.1%），优于以往大多数工作。同时，BF-BT-0.4SCT陶瓷也表现出较高的频率稳定性和快速的放电速率(t0.9 <；. 05µ年代)。此外，BF-BT-0.4SCT陶瓷还具有较高的电流密度（127 a /cm2）和功率密度（5.8 MW/cm3），具有相当好的充放电性能。因此，这项工作有助于拓宽基于bf和其他无铅陶瓷储能应用的发展。

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来源期刊

International Journal of Applied Ceramic Technology 工程技术-材料科学：硅酸盐

CiteScore

3.90

自引率

9.50%

发文量

280

审稿时长

4.5 months

期刊介绍： The International Journal of Applied Ceramic Technology publishes cutting edge applied research and development work focused on commercialization of engineered ceramics, products and processes. The publication also explores the barriers to commercialization, design and testing, environmental health issues, international standardization activities, databases, and cost models. Designed to get high quality information to end-users quickly, the peer process is led by an editorial board of experts from industry, government, and universities. Each issue focuses on a high-interest, high-impact topic plus includes a range of papers detailing applications of ceramics. Papers on all aspects of applied ceramics are welcome including those in the following areas: Nanotechnology applications; Ceramic Armor; Ceramic and Technology for Energy Applications (e.g., Fuel Cells, Batteries, Solar, Thermoelectric, and HT Superconductors); Ceramic Matrix Composites; Functional Materials; Thermal and Environmental Barrier Coatings; Bioceramic Applications; Green Manufacturing; Ceramic Processing; Glass Technology; Fiber optics; Ceramics in Environmental Applications; Ceramics in Electronic, Photonic and Magnetic Applications;