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Radiation-hardened dendritic-like nanocomposite films with ultrahigh capacitive energy density

Author

Listed:
  • Yajing Liu

    (Nanjing University of Aeronautics and Astronautics)

  • Mengsha Li

    (Nanjing University of Aeronautics and Astronautics)

  • Kai Jiang

    (Shanghai Dianji University)

  • Yang Zhang

    (Nanjing University of Aeronautics and Astronautics)

  • Pin Gong

    (Nanjing University of Aeronautics and Astronautics)

  • Sijia Song

    (Nanjing University of Aeronautics and Astronautics)

  • Dong Li

    (Nanjing University of Aeronautics and Astronautics)

  • Huan Liang

    (Nanjing University of Aeronautics and Astronautics)

  • Xinmiao Huang

    (Nanjing University of Aeronautics and Astronautics)

  • Jing Wang

    (Nanjing University of Aeronautics and Astronautics)

  • Weiwei Li

    (Nanjing University of Aeronautics and Astronautics
    Nanjing University of Aeronautics and Astronautics)

  • Ce-Wen Nan

    (Tsinghua University)

Abstract

Electrostatic dielectric capacitors are critical components in advanced electronic and electrical systems owing to their high-power density and ultrafast charge-discharge capability. However, achieving ultrahigh energy storage performance combined with robust radiation resistance remains a major challenge, particularly for practical applications in extreme environments. Guided by simulations, self-assembled nanocomposite films with dendritic-like structured ferroelectric embedded in an insulator are designed to overcome these challenges. This strategy boots energy storage performance by forming nano-polar regions and obstructing electric breakdown processes. More importantly, it not only exploits the intrinsic radiation-resistant properties of ferroelectric materials, but also takes advantages of abundant interfaces within the dendritic structure to enable a self-healing effect to improve radiation resistance. This self-healing mechanism, driven by interactions between ferroelectric and insulating phases, effectively eliminates radiation-induced defects and minimizes performance degradation under high radiation doses. Using this approach, we demonstrate the dendritic-like PbZr0.53Ti0.47O3-MgO nanocomposite film capacitor exhibits an ultrahigh energy density over 200 joules per cubic centimeter and an excellent radiation tolerance exceeding 20 Mrad. This work offers a promising approach for the development of advanced electrostatic capacitors, particularly for applications in radiation-exposed power systems.

Suggested Citation

  • Yajing Liu & Mengsha Li & Kai Jiang & Yang Zhang & Pin Gong & Sijia Song & Dong Li & Huan Liang & Xinmiao Huang & Jing Wang & Weiwei Li & Ce-Wen Nan, 2025. "Radiation-hardened dendritic-like nanocomposite films with ultrahigh capacitive energy density," Nature Communications, Nature, vol. 16(1), pages 1-11, December.
  • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-59225-z
    DOI: 10.1038/s41467-025-59225-z
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