Study on Bi0.9Sm0.1ScO3 regulation of Bi0.5Na0.46Li0.04TiO3-based energy storage properties

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

International Journal of Applied Ceramic Technology Pub Date : 2025-02-21 DOI:10.1111/ijac.15069

Zhongrui Du, Qiyi Yin, Chen Chen, Fan Si, Fei Lin, Xiangyu Zhu, Yulin Zhang, Mengjun Zhang, Hao Zu, Kunhong Hu, Fulin Zhang, Fukang Shi, Lu Li

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引用次数: 0

Abstract

In this study, (1-x)Bi_0.5Na_0.46Li_0.04TiO₃-xBi_0.9Sm_0.1ScO₃(BNLT-xBSS) relaxation ferroelectric ceramics were successfully prepared by conventional solid phase method. Multiscale analyses such as XRD and EDS confirmed that these ceramics form a solid solution with a single-phase perovskite structure. As the doping amount of Bi_0.9Sm_0.1ScO₃ increases, a smaller grain size is obtained at x = 0.1, and the breakdown strength increases to 350 kV/cm, resulting in a higher W_rec = 5.92 J/cm³, η = 82.2%. In addition, these ceramics demonstrate other excellent properties: (1) Thermal stability, with W_rec of 2.85 ± 0.06 J/cm³ and η of 86 ± 1.2% in the temperature range of 35°C–200°C; (2) Frequency stability, with W_rec of 2.9 ± 0.05 J/cm³ and η of 85.8 ± 1.1% in the frequency range of 5–150 Hz; (3) Fast charge/discharge rate, t_0.9 is about 0.18 µs. The comprehensive experiments show that the ceramic can be used as a pulse capacitor in high-temperature environments and has great development potential.

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Bi0.9Sm0.1ScO3调控bi0.5 na0.46 li0.04 tio3基储能性能的研究

本研究采用常规固相法成功制备了（1-x）Bi0.5Na0.46Li0.04TiO3-xBi0.9Sm0.1ScO3（BNLT-xBSS）弛豫铁电陶瓷。XRD和EDS等多尺度分析证实，这些陶瓷形成了具有单相钙钛矿结构的固溶体。随着Bi0.9Sm0.1ScO3掺杂量的增加，在x = 0.1处晶粒尺寸变小，击穿强度增大到350 kV/cm， Wrec = 5.92 J/cm3, η = 82.2%。(1)在35℃~ 200℃的温度范围内，wre为2.85±0.06 J/cm3， η为86±1.2%；(2)频率稳定性，在5 ~ 150 Hz频率范围内，Wrec为2.9±0.05 J/cm3， η为85.8±1.1%；(3)充放电速度快，t0.9约为0.18µs。综合实验表明，该陶瓷可作为高温环境下的脉冲电容器，具有很大的发展潜力。

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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;