DataVXAdvanced Energy MaterialsPaper
journal article·2026-07-13

Designing Artificial Mesoscopic‐Scale Heterolayers for Ultrahigh Energy Storage

Yan Li, Xiaohui Liu, Tengfei Hu, Junlin Yang, Chao Yang, Aimé Peláiz‐Barranco, Xuefeng Chen, Shujun Zhang, Tongqing Yang

Advanced Energy Materials
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Source abstract

Abstract

ABSTRACT Conventional doping approaches in antiferroelectric (AFE) ceramics inevitably involve a trade‐off between maximizing polarization ( P max ) and sustaining high breakdown strength ( E B ), which fundamentally limits energy storage performance. Here, we present a paradigm‐shifting strategy based on the deliberate design of mesoscale heterolayers integrating antiferroelectric PbHfO 3 and linear dielectric SrHfO 3 , effectively overcoming this long‐standing challenge. Guided by phase‐field simulations, we fabricate laminated ceramics with an optimally tuned fraction of the linear dielectric layer. The resulting heterostructure leverages controlled electric‐field redistribution and interfacial effects, enabling synergy between the properties of the two constituents. This synergy yields a superior recoverable energy density of 23.1 J cm −3 along with a high efficiency of 83.7%, surpassing any performance achievable through a simple rule of mixtures. This heterolayer design principle establishes a general and effective route for engineering high‐performance dielectric composites for advanced energy storage applications.
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Research context

Ceramics & glassesComposites

OpenAlex topics: Ferroelectric and Piezoelectric Materials · Ferroelectric and Negative Capacitance Devices · Dielectric materials and actuators

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Functional Materials Research Laboratory School of Materials Science and Engineering Key Laboratory of Advanced Civil Engineering Materials of the Ministry of Education Tongji University Shanghai People's Republic of China

The Key Lab of Inorganic Functional Materials and Devices Shanghai Institute of Ceramics Chinese Academy of Sciences Shanghai People's Republic of China

Key Laboratory of Green Extraction and Efficient Utilization of Light Rare‐Earth Resources Ministry of Education Inner Mongolia University of Science and Technology Baotou People's Republic of China

School of Physics and Electronic Engineering Key Laboratory for Photonic and Electronic Bandgap Materials Ministry of Education Harbin Normal University Harbin People's Republic of China

Grupo de Materiales Ferroicos Facultad De Física‐Instituto de Ciencia y Tecnología De Materiales Universidad De La Habana La Habana Cuba

Department of Chemistry City University of Hong Kong Kowloon Hong Kong People's Republic of China

Funding

China Postdoctoral Science Foundation · National Natural Science Foundation of China

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