Superior energy storage performance of BiFeO3–BaTiO3–CaHfO3 lead-free ceramics,Journal of Materials Chemistry A

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Superior energy storage performance of BiFeO3–BaTiO3–CaHfO3 lead-free ceramics
Journal of Materials Chemistry A ( IF 10.7 ) Pub Date : 2024-01-23 , DOI: 10.1039/d4ta00022f
Jianwei Zhao ₁ , Hongtian Li ₁ , Yuxiao Du ₁ , Xiaoxin Chen ₁ , Hailan Qin ₁ , Jinming Wang ₁ , Tingnan Yan ₁ , Shuhui Yu ₁ , Yongming Hu ₂ , Dawei Wang ₃

Affiliation

Lead-free ceramics have received considerable research interest because of their environmentally friendly characteristics and superb performance in energy storage applications, which are critical for pulsed power electronic systems. In this work, we sintered a series of (0.90 − x)BiFeO₃–xBaTiO₃–0.10CaHfO₃ lead-free ceramics and comprehensively probed the crystallographic structure, grain morphology, electrical properties, etc., to assess their capability for use in energy storage applications. The 0.50BiFeO₃–0.40BaTiO₃–0.10CaHfO₃ ceramic achieved an ultrahigh recoverable energy storage density of 4.70 J cm⁻³ and an outstanding energy conversion efficiency of 79% and can be considered an excellent material candidate for use in high-power energy storage devices.

中文翻译：

BiFeO3–BaTiO3–CaHfO3无铅陶瓷优越的储能性能

无铅陶瓷因其环保特性和在储能应用中的卓越性能而受到了广泛的研究兴趣，这对于脉冲电力电子系统至关重要。本工作中，我们烧结了一系列(0.90 − x )BiFeO ₃ – x BaTiO ₃ –0.10CaHfO ₃无铅陶瓷，并对其晶体结构、晶粒形貌、电性能等进行了全面的研究，以评估其使用性能。在储能应用中。0.50BiFeO ₃ –0.40BaTiO ₃ –0.10CaHfO _{3陶瓷实现了4.70 J cm}^-3的超高可恢复储能密度和79%的出色能量转换效率，可以被认为是高功率能源领域的优秀材料候选者存储设备。

更新日期：2024-01-23

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