Superior energy storage properties of BiFeO3 doped NaNbO3 antiferroelectric ceramics

IF 5.1 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS Ceramics International Pub Date : 2024-09-30 DOI:10.1016/j.ceramint.2024.09.403

Bingsen Wang , Junjun Wang , Yuxiao Du , Jian Dai , Zhenhao Fan , Wenfeng Yue , Fu Huang , Atilla Evcin , Yasemin Tabak , Limei Zheng , Dawei Wang

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Abstract

NaNbO₃ (NN)-based dielectric ceramics for energy storage have garnered significant interest due to their high saturation polarization, low residual polarization, and superior breakdown strength (E_b). However, the low recoverable energy storage density (W_rec) and efficiency (η) significantly limited their practical application. Herein, BiFeO₃ (BF) was incorporated into NN to optimize the energy storage performance. The NN-BF ceramics exhibited pronounced antiferroelectric (AFE) relaxor phase, alongside grain size reduction and E_b enhancement, which contributed to a significant increase of W_rec and η. Specially, the optimum W_rec of 4.43 J/cm³ and η of 71.51 % were achieved at the composition of 0.9NN-0.1BF. Besides, stable energy storage performance was maintained over a wide temperature range (20–120 °C). These results highlight the potential of NN-BF relaxor AFE ceramics as promising candidates for high-performance energy storage applications.

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掺杂 BiFeO3 的 NaNbO3 反铁电陶瓷的卓越储能特性

由于具有高饱和极化、低残余极化和出色的击穿强度（Eb），以氧化铌酸钠（NN）为基材的储能介电陶瓷备受关注。然而，可回收能量存储密度（Wrec）和效率（η）较低，极大地限制了它们的实际应用。因此，为了优化储能性能，NN 中加入了 BiFeO3（BF）。NN-BF 陶瓷表现出明显的反铁电（AFE）弛豫相，同时晶粒尺寸减小和 Eb 增强，从而显著提高了 Wrec 和 η。特别是在 0.9NN-0.1BF 的成分下，达到了 4.43 J/cm³ 的最佳 Wrec 值和 71.51 % 的 η 值。此外，在很宽的温度范围（20-120 °C）内都能保持稳定的储能性能。这些结果凸显了 NN-BF 驰豫 AFE 陶瓷作为高性能储能应用的候选材料的潜力。

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来源期刊

Ceramics International 工程技术-材料科学：硅酸盐

CiteScore

9.40

自引率

15.40%

发文量

4558

审稿时长

25 days

期刊介绍： Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties. Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour. Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.