Yunyao Huang

Synergistic Design Strategies Breaking the Energy Storage Trade‐Off in Lead‐Free Dielectrics

Ruiyi Jing, Leiyang Zhang, Yule Yang, Wanchang Man et autres

ABSTRACT Development of lead‐free dielectric capacitors with simultaneously high recoverable energy‐storage (ES) density ( W rec ) and breakdown strength ( E b ) is hindered by a fundamental constraint; although high E b permits large electric fields, conventional ferroelectrics suffer from …

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High piezoelectric response and enhanced thermal stability enabled by lattice distortion and phase boundary engineering in Sr-doped PNN-PZN-PZT ceramics

Xin Wang, Zhengjie Zhao, Xinru Nie, Yunyao Huang et autres

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Morphotropic phase boundary engineering achieves robust piezoelectricity and operational stability at elevated temperatures in PZN-PZT ceramics

Zhengjie Zhao, Leiyang Zhang, XM. Wang, Yunyao Huang et autres

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Engineered local polarization disorder unlocks record efficiency in antiferroelectric capacitors

Li Jin, Fukang Chen, Leiyang Zhang, Yule Yang et autres

The datasets supporting the findings of this study are related to energy-storage dielectric ceramics and include the experimental data corresponding to Figs. 1–5 and Supplementary Figs. S1–S29.

Engineered local polarization disorder unlocks record efficiency in antiferroelectric capacitors

Li Jin, Fukang Chen, Leiyang Zhang, Yule Yang et autres

The datasets supporting the findings of this study are related to energy-storage dielectric ceramics and include the experimental data corresponding to Figs. 1–5 and Supplementary Figs. S1–S29.

Entropy‐Driven Polarization Disordering Enables Ultrahigh Energy Storage Performance in Lead‐Free Ferroelectric Ceramics

Yi Yang, L D Zhang, Yunyao Huang, Wenjing Shi et autres

ABSTRACT Dielectric capacitors are critical for modern power electronics, yet achieving high recoverable energy density ( W rec ) and efficiency simultaneously remains challenging. [Bi 0.5 (Na 0.82 K 0.18 ) 0.5 ]TiO 3 (BNKT) exhibits strong ferroelectric order with large remanent …

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Engineered local polarization disorder unlocks record efficiency in antiferroelectric capacitors

Fukang Chen, Leiyang Zhang, Yule Yang, Ruiyi Jing et autres

Antiferroelectric ceramics are promising for next-generation electrostatic energy storage, yet their performance is fundamentally constrained by the trade-off between high energy storage efficiency (η) and large recoverable energy storage density (Wrec), arising from the antiferroelectric-to-ferroelectric phase transition and associated hysteresis loss. Here, …

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Tetragonal-pseudocubic boundary engineering unlocks high electromechanical activity in PNN-PZT ceramics

Zhuo Xing, Xin Eric Wang, Jia Liu, Yunyao Huang et autres

High-performance piezoelectric ceramics are essential for actuators functioning under extreme conditions, ranging from specific electronic components in the aerospace sector to those in the energy exploration industry that operate under moderate thermal conditions. We synthesize a series of 0.5Pb(Ni 1/3 Nb 2/3 …

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Dynamic Dipole Engineering Enables Ultrahigh Energy Storage with Minimal Losses

Yunyao Huang, Leiyang Zhang, Ruiyi Jing, Yule Yang et autres

ABSTRACT Achieving high recoverable energy density ( W rec ) with near‐unity efficiency ( η ) in lead‐free dielectrics remains a major challenge for advanced pulse power capacitors, given their central role in emerging pulsed power systems and high‐voltage electronics. Here, we …

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Enhanced electromechanical performance in Ce-doped PZN-PZT ceramics across wide temperature ranges

Yunyao Huang, Wenjing Shi, Xinru Nie, Mo Zhao et autres

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Perspective on polarization regulation for advanced energy storage

Leiyang Zhang, Fukang Chen, Yunyao Huang, Ruiyi Jing et autres

Dielectric energy storage materials, which store electrical energy via field-induced polarization, lie at the heart of next-generation pulsed power systems. Their unique ability to deliver rapid energy release with high power density and conversion efficiency makes them indispensable for the miniaturization and …

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Synergistic optimization for enhanced energy storage in bismuth sodium titanate relaxor ferroelectrics

Qian Zhang, Yunyao Huang, Yule Yang, Ruiyi Jing

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