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April 17, 2026Nature Communications1 citationsOpen Access

Octahedral-Rigidity-Engineered Dielectrics for Harsh-Temperature Energy Storage Capacitors

Octahedral-rigidity-engineered linear dielectrics for harsh-temperature energy storage capacitors

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Authors

QWQi WangQZQiuyu ZhengXZXuetong Zhao

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Overview

Next-generation dielectrics exhibit high energy density and stability in extreme temperature conditions, suggesting improved applications in energy storage.

Key Points

  • This research aims to develop a dielectric material with high capacitive performance and thermal stability for energy storage applications.
  • Engineered octahedrally rigid framework using B-site ordering in ABO₃ perovskite structure.
  • Combined molecular dynamics simulations and density functional theory to analyze structural stability.
  • Conducted experiments to evaluate energy storage performance under high temperature and electric fields.
  • Achieved an energy density of 2.2 J cm–3 and 84% efficiency at 270 °C under 800 kV cm–1.
  • Energy density increased from 3.0 J cm–3 to 4.9 J cm–3 at 1150 kV cm–1.
  • Confirmed minimal lattice expansion and temperature-stable permittivity up to 500 °C.

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/69e1ce895cdc762e9d857926https://doi.org/10.1038/s41467-026-71800-6
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