High Energy Storage Characteristics of (0.5–x)BiFeO3-0.5 Bi0.5Na0.5TiO3-xBaTiO3 Ternary Lead-Free Ferroelectric Ceramics under Low Electric Field

IF 4.7 3区材料科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

ACS Applied Electronic Materials Pub Date : 2024-08-19 DOI:10.1021/acsaelm.4c0087810.1021/acsaelm.4c00878

Shaowei Gao, Xiang He, Ying Liu, Oleg Ivanovich V’yunov and Dongfang Pang*,

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Abstract

(0.5–x)BiFeO₃-0.5 Bi_0.5Na_0.5TiO₃-xBaTiO₃ (x = 0.12, 0.14, 0.16, 0.18, 0.20, 0.22, 0.24, and 0.28) ferroelectric ceramics were synthesized using traditional solid-state reaction methods. The elongated P–E hysteresis loops revealed that the ternary system had good energy storage characteristics. A high recoverable energy storage density (W_rec) of 2.1 J/cm³ and a moderate energy storage efficiency of η ∼ 67% were achieved simultaneously for the x = 0.12 composition under a lower electric field of 140 kV/cm. Furthermore, the x = 0.12 composition exhibited good stability in a wide temperature (25–125 °C) and frequency range (0.1–10² Hz) and good fatigue resistance in cycling frequency (1–10³). Furthermore, the ceramic also exhibited considerable charging–discharging performance with a fast discharging rate (t₉₀ < 0.05 μs), a moderate current density (158 A/cm²), and a moderate power density (4.738 MW/cm³). Overall, 0.38BiFeO₃-0.5Bi_0.5Na_0.5TiO₃-0.12BaTiO₃ ceramics are considered a lead-free competitive candidate for the development of high energy storage capacitors.

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低电场下 (0.5-x)BiFeO3-0.5 Bi0.5Na0.5TiO3-xBaTiO3 三元无铅铁电陶瓷的高储能特性

(采用传统固态反应方法合成了 (0.5-x)BiFeO3-0.5 Bi0.5Na0.5TiO3-xBaTiO3 （x = 0.12、0.14、0.16、0.18、0.20、0.22、0.24 和 0.28）铁电陶瓷。拉长的 P-E 磁滞回线表明三元体系具有良好的储能特性。在 140 kV/cm 的较低电场下，x = 0.12 成分同时实现了 2.1 J/cm3 的高可恢复储能密度（Wrec）和 η ∼ 67% 的中等储能效率。此外，x = 0.12 成分在较宽的温度（25-125 °C）和频率范围（0.1-102 Hz）内表现出良好的稳定性，在循环频率（1-103）内表现出良好的抗疲劳性。此外，这种陶瓷还具有相当好的充放电性能，放电速率快（t90 < 0.05 μs），电流密度适中（158 A/cm2 ），功率密度适中（4.738 MW/cm3）。总之，0.38BiFeO3-0.5Bi0.5Na0.5TiO3-0.12BaTiO3 陶瓷被认为是开发高能量存储电容器的无铅竞争候选材料。

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来源期刊

ACS Applied Electronic Materials Multiple-

CiteScore

7.20

自引率

4.30%

发文量

567

期刊介绍： ACS Applied Electronic Materials is an interdisciplinary journal publishing original research covering all aspects of electronic materials. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials science, engineering, optics, physics, and chemistry into important applications of electronic materials. Sample research topics that span the journal's scope are inorganic, organic, ionic and polymeric materials with properties that include conducting, semiconducting, superconducting, insulating, dielectric, magnetic, optoelectronic, piezoelectric, ferroelectric and thermoelectric. Indexed/Abstracted： Web of Science SCIE Scopus CAS INSPEC Portico