Local heterogeneous dipolar structures drive gigantic capacitive energy storage in antiferroelectric ceramics

Jiawen Hu, Peng Wang, Liqiang He, Guanglong Ge, Jinjun Liu, Tengfei Hu (), Fangfang Xu, Tao Zeng (), Zhengqian Fu, Jiwei Zhai, Weiping Li () and Zhongbin Pan ()
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Jiawen Hu: Ningbo University
Peng Wang: Tongji University
Liqiang He: Xi’an Jiaotong University
Guanglong Ge: Tongji University
Jinjun Liu: Ningbo University
Tengfei Hu: Chinese Academy of Sciences
Fangfang Xu: Chinese Academy of Sciences
Tao Zeng: Jingdezhen Ceramic University
Zhengqian Fu: Chinese Academy of Sciences
Jiwei Zhai: Tongji University
Weiping Li: Ningbo University
Zhongbin Pan: Ningbo University

Nature Communications, 2025, vol. 16, issue 1, 1-10

Abstract: Abstract Antiferroelectric ceramics, driven by electric-field-induced antiferroelectric-ferroelectric phase transitions, hold exceptional potential for high capacitance density capacitors. However, conventional antiferroelectric ceramics are capable of releasing only 70-80% of the energy during the charging-discharging cycles, limiting their practical applications. Herein, we propose a novel approach using heterogeneous dipolar structures in PbHfO3-based AFE ceramics to achieve remarkable energy density. By compositionally inducing structural order-disorder transitions, heterogeneous dipolar structures with complex interactions are created, within which dipoles can rapidly flip under the applied electric field, thereby substantially reducing the hysteresis losses. Combined with significantly improved breakdown strength, the optimized antiferroelectric ceramics exhibits a large recoverable energy density approximately 20.04 J cm−3 and a high efficiency of around 90.5%, setting a new benchmark for antiferroelectric ceramics. This work, focusing on the atomic scale, clarifies the structure-property relationship and provides valuable insights for developing next-generation high-performance antiferroelectric materials.

Date: 2025
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DOI: 10.1038/s41467-025-60685-6

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