Lead-free antiferroelectric niobates AgNbO3 and NaNbO3 for energy storage applications,Journal of Materials Chemistry A

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Lead-free antiferroelectric niobates AgNbO3 and NaNbO3 for energy storage applications
Journal of Materials Chemistry A ( IF 10.7 ) Pub Date : 2020-10-19 , DOI: 10.1039/d0ta08345c
Dong Yang _{1,

2,

3,

4,

5} , Jing Gao _{1,

2,

3,

4,

5} , Liang Shu _{1,

2,

3,

4,

5} , Yi-Xuan Liu _{1,

2,

3,

4,

5} , Jingru Yu _{1,

2,

3,

4,

5} , Yuanyuan Zhang _{6,

7,

8,

9} , Xuping Wang _{6,

7,

8,

9} , Bo-Ping Zhang _{2,

9,

10,

11} , Jing-Feng Li _{1,

2,

3,

4,

5}

Affiliation

Antiferroelectric materials are attractive for energy storage applications and are becoming increasingly important for power electronics. Lead-free silver niobate (AgNbO₃) and sodium niobate (NaNbO₃) antiferroelectric ceramics have attracted intensive interest as promising candidates for environmentally friendly energy storage products. This review provides the fundamental background of antiferroelectricity with an introduction to the definition of antiferroelectricity, historical research evolution of antiferroelectric materials, and some advanced techniques for structural characterization. Meanwhile, recent progress on lead-free antiferroelectric ceramics, represented by AgNbO₃ and NaNbO₃, is highlighted in terms of their crystal structures, phase transitions and potential dielectric energy storage applications. Specifically, the origin of the enhanced energy storage performance is discussed from a scientific point of view. The modification approaches are then summarized for the development of new strategies to further improve the energy storage performance. This article concludes with a discussion of the remaining challenges and opportunities for further development of lead-free antiferroelectrics.

中文翻译：

无铅反铁电铌酸盐AgNbO3和NaNbO3用于储能应用

反铁电材料对于能量存储应用具有吸引力，并且对功率电子学越来越重要。无铅铌酸银（AgNbO ₃）和铌酸钠（NaNbO ₃）反铁电陶瓷作为环保储能产品的有前途的候选者，引起了广泛的关注。这篇综述提供了反铁电的基本背景，并介绍了反铁电的定义，反铁电材料的历史研究进展以及一些用于结构表征的先进技术。同时，以AgNbO ₃和NaNbO _3为代表的无铅反铁电陶瓷的最新进展用晶体结构，相变和潜在的介电储能应用突出了。具体地，从科学的角度讨论了增强的能量存储性能的起源。然后总结了修改方法，以开发新策略来进一步提高能量存储性能。本文最后讨论了无铅反铁电体进一步发展所面临的挑战和机遇。

更新日期：2020-11-12

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