Dielectric, impedance, and energy storage properties of Bi(Mg0.5Sn0.5)O3 modified Bi0.5Na0.5TiO3 based ceramics

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

International Journal of Applied Ceramic Technology Pub Date : 2024-12-30 DOI:10.1111/ijac.15030

Sami Ullah Khan, Abdul Manan, Atta Ullah, Ibrahim Qazi, Maqbool Ur Rehman, Murad Ali Khan, Arbab Safeer Ahmad, Raz Muhammad, Yaseen Iqbal

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Abstract

(1–x)(0.60eBi_0.5Na_0.5TiO₃–0.35SrTiO₃–0.05BiFeO₃)–xBi(Mg_0.5Sn_0.5)O₃ (x = 0.00, 0.05, 0.10, 0.15, and 0.20) ceramics processed via a solid-state sintering route were investigated. Analysis of XRD data revealed the formation of the parent phase along with a minor secondary phase for each ceramic composition. The doping of BMS led to a decrease in the dielectric loss (tanδ ≤3%) for the composition with x = 0.10 in the temperature range 25°C–400°C. The observed small grain size of the sample with x = 0.10 may be responsible for its lower electrical conductivity which enhanced the energy storage performance. Furthermore, the overall resistance of all the compositions decreased with an increase in temperature which indicated a semiconducting behavior. For the sample with x = 0.10, enhancement in the overall properties was observed, i.e., stored energy density (W_s) ∼2.67 J/cm³, recoverable energy density (W_rec) ∼1.691 J/cm³ and efficiency (η) ∼63% at a dielectric breakdown strength (BDS) ∼200 kV/cm. This composition may be suitable as an energy storage capacitor for pulsed power applications.

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Bi(Mg0.5Sn0.5)O3改性Bi0.5Na0.5TiO3基陶瓷的介电、阻抗和储能性能

采用固相烧结法制备了（1-x）(0.60eBi0.5Na0.5TiO3-0.35SrTiO3-0.05BiFeO3) -xBi (Mg0.5Sn0.5)O3 （x = 0.00, 0.05, 0.10, 0.15, 0.20）陶瓷。XRD数据分析表明，每种陶瓷成分都形成了母相和次要相。在25°C - 400°C的温度范围内，BMS的掺杂使x = 0.10的组合物的介电损耗降低（tanδ≤3%）。当x = 0.10时，样品的晶粒尺寸较小，这可能是其电导率较低的原因，从而提高了储能性能。此外，所有组合物的总电阻随温度的升高而降低，表明具有半导体特性。对于x = 0.10的样品，观察到整体性能的增强，即存储能量密度（Ws） ~ 2.67 J/cm3，可恢复能量密度（Wrec） ~ 1.691 J/cm3，介电击穿强度（BDS） ~ 200 kV/cm时效率（η） ~ 63%。该组合物可能适合作为脉冲功率应用的储能电容器。

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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;