Enhanced energy storage in antiferroelectrics via antipolar frustration

Bingbing Yang, Yiqian Liu, Ru-Jian Jiang, Shun Lan, Su-Zhen Liu, Zhifang Zhou, Lvye Dou, Min Zhang, Houbing Huang, Long-Qing Chen, Yin-Lian Zhu, Shujun Zhang (), Xiu-Liang Ma (), Ce-Wen Nan and Yuan-Hua Lin ()
Additional contact information
Bingbing Yang: Tsinghua University
Yiqian Liu: Tsinghua University
Ru-Jian Jiang: Chinese Academy of Sciences
Shun Lan: Tsinghua University
Su-Zhen Liu: Chinese Academy of Sciences
Zhifang Zhou: Tsinghua University
Lvye Dou: Tsinghua University
Min Zhang: Tsinghua University
Houbing Huang: Beijing Institute of Technology
Long-Qing Chen: The Pennsylvania State University
Yin-Lian Zhu: Songshan Lake Materials Laboratory
Shujun Zhang: University of Wollongong
Xiu-Liang Ma: Songshan Lake Materials Laboratory
Ce-Wen Nan: Tsinghua University
Yuan-Hua Lin: Tsinghua University

Nature, 2025, vol. 637, issue 8048, 1104-1110

Abstract: Abstract Dielectric-based energy storage capacitors characterized with fast charging and discharging speed and reliability1–4 play a vital role in cutting-edge electrical and electronic equipment. In pursuit of capacitor miniaturization and integration, dielectrics must offer high energy density and efficiency5. Antiferroelectrics with antiparallel dipole configurations have been of significant interest for high-performance energy storage due to their negligible remanent polarization and high maximum polarization in the field-induced ferroelectric state6–8. However, the low antiferroelectric–ferroelectric phase-transition field and accompanying large hysteresis loss deteriorate energy density and reliability. Here, guided by phase-field simulations, we propose a new strategy to frustrate antipolar ordering in antiferroelectrics by incorporating non-polar or polar components. Our experiments demonstrate that this approach effectively tunes the antiferroelectric–ferroelectric phase-transition fields and simultaneously reduces hysteresis loss. In PbZrO3-based films, we hence realized a record high energy density among all antiferroelectrics of 189 J cm−3 along with a high efficiency of 81% at an electric field of 5.51 MV cm−1, which rivals the most state-of-the-art energy storage dielectrics9–12. Atomic-scale characterization by scanning transmission electron microscopy directly revealed that the dispersed non-polar regions frustrate the long-range antipolar ordering, which contributes to the improved performance. This strategy presents new opportunities to manipulate polarization profiles and enhance energy storage performances in antiferroelectrics.

Date: 2025
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DOI: 10.1038/s41586-024-08505-7

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