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Broad-high operating temperature range and enhanced energy storage performances in lead-free ferroelectrics

Author

Listed:
  • Weichen Zhao

    (Xi’an Jiaotong University)

  • Diming Xu

    (Xi’an Jiaotong University)

  • Da Li

    (Xi’an Jiaotong University)

  • Max Avdeev

    (Australian Nuclear Science and Technology Organization)

  • Hongmei Jing

    (Shaanxi Normal University)

  • Mengkang Xu

    (Xi’an Jiaotong University)

  • Yan Guo

    (Xi’an Jiaotong University)

  • Dier Shi

    (Zhejiang University)

  • Tao Zhou

    (Hangzhou Dianzi University)

  • Wenfeng Liu

    (Xi’an Jiaotong University)

  • Dong Wang

    (Xi’an Jiaotong University)

  • Di Zhou

    (Xi’an Jiaotong University)

Abstract

The immense potential of lead-free dielectric capacitors in advanced electronic components and cutting-edge pulsed power systems has driven enormous investigations and evolutions heretofore. One of the significant challenges in lead-free dielectric ceramics for energy-storage applications is to optimize their comprehensive characteristics synergistically. Herein, guided by phase-field simulations along with rational composition-structure design, we conceive and fabricate lead-free Bi0.5Na0.5TiO3-Bi0.5K0.5TiO3-Sr(Sc0.5Nb0.5)O3 ternary solid-solution ceramics to establish an equitable system considering energy-storage performance, working temperature performance, and structural evolution. A giant Wrec of 9.22 J cm−3 and an ultra-high ƞ ~ 96.3% are realized in the BNKT-20SSN ceramic by the adopted repeated rolling processing method. The state-of-the-art temperature (Wrec ≈ 8.46 ± 0.35 J cm−3, ƞ ≈ 96.4 ± 1.4%, 25–160 °C) and frequency stability performances at 500 kV cm−1 are simultaneously achieved. This work demonstrates remarkable advances in the overall energy storage performance of lead-free bulk ceramics and inspires further attempts to achieve high-temperature energy storage properties.

Suggested Citation

  • Weichen Zhao & Diming Xu & Da Li & Max Avdeev & Hongmei Jing & Mengkang Xu & Yan Guo & Dier Shi & Tao Zhou & Wenfeng Liu & Dong Wang & Di Zhou, 2023. "Broad-high operating temperature range and enhanced energy storage performances in lead-free ferroelectrics," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-41494-1
    DOI: 10.1038/s41467-023-41494-1
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    References listed on IDEAS

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    1. Li-Feng Zhu & Shiqing Deng & Lei Zhao & Gen Li & Qi Wang & Linhai Li & Yongke Yan & He Qi & Bo-Ping Zhang & Jun Chen & Jing-Feng Li, 2023. "Heterovalent-doping-enabled atom-displacement fluctuation leads to ultrahigh energy-storage density in AgNbO3-based multilayer capacitors," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    2. Nengneng Luo & Kai Han & Matthew J. Cabral & Xiaozhou Liao & Shujun Zhang & Changzhong Liao & Guangzu Zhang & Xiyong Chen & Qin Feng & Jing-Feng Li & Yuezhou Wei, 2020. "Constructing phase boundary in AgNbO3 antiferroelectrics: pathway simultaneously achieving high energy density and efficiency," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
    3. Qi Li & Lei Chen & Matthew R. Gadinski & Shihai Zhang & Guangzu Zhang & Haoyu U. Li & Elissei Iagodkine & Aman Haque & Long-Qing Chen & Thomas N. Jackson & Qing Wang, 2015. "Flexible high-temperature dielectric materials from polymer nanocomposites," Nature, Nature, vol. 523(7562), pages 576-579, July.
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