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Engineering relaxors by entropy for high energy storage performance

Author

Listed:
  • Bingbing Yang

    (Tsinghua University
    Foshan (Southern China) Institute for New Materials)

  • Qinghua Zhang

    (Chinese Academy of Sciences)

  • Houbing Huang

    (Beijing Institute of Technology)

  • Hao Pan

    (University of California, Berkeley)

  • Wenxuan Zhu

    (Beijing Institute of Technology)

  • Fanqi Meng

    (Tsinghua University
    Chinese Academy of Sciences)

  • Shun Lan

    (Tsinghua University)

  • Yiqian Liu

    (Tsinghua University)

  • Bin Wei

    (Tsinghua University)

  • Yiqun Liu

    (Tsinghua University)

  • Letao Yang

    (Tsinghua University)

  • Lin Gu

    (Tsinghua University)

  • Long-Qing Chen

    (The Pennsylvania State University)

  • Ce-Wen Nan

    (Tsinghua University)

  • Yuan-Hua Lin

    (Tsinghua University)

Abstract

Relaxor ferroelectrics are the primary candidates for high-performance energy storage dielectric capacitors. A common approach to tuning the relaxor properties is to regulate the local compositional inhomogeneity, but there is a lack of a quantitative evaluation way for compositional fluctuation in relaxors. Here we propose configurational entropy as an index for the quantitative evaluation of local compositional inhomogeneity. Our results reveal that the local inhomogeneity increases with the entropy via scanning transmission electron microscopy, and relaxor features are accordingly modulated. With the deliberate design of entropy, we achieve an optimal overall energy storage performance in Bi4Ti3O12-based medium-entropy films, featuring a high energy density of 178.1 J cm−3 with efficiency exceeding 80% and a high figure of merit of 913. By using the medium-entropy films as dielectric layers, we demonstrate a multilayer film capacitor prototype that outperforms conventional multilayer ceramic capacitors.

Suggested Citation

  • Bingbing Yang & Qinghua Zhang & Houbing Huang & Hao Pan & Wenxuan Zhu & Fanqi Meng & Shun Lan & Yiqian Liu & Bin Wei & Yiqun Liu & Letao Yang & Lin Gu & Long-Qing Chen & Ce-Wen Nan & Yuan-Hua Lin, 2023. "Engineering relaxors by entropy for high energy storage performance," Nature Energy, Nature, vol. 8(9), pages 956-964, September.
    • Handle: RePEc:nat:natene:v:8:y:2023:i:9:d:10.1038_s41560-023-01300-0
    DOI: 10.1038/s41560-023-01300-0
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    Citations

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    Cited by:

    1. Jianhong Duan & Kun Wei & Qianbiao Du & Linzhao Ma & Huifen Yu & He Qi & Yangchun Tan & Gaokuo Zhong & Hao Li, 2024. "High-entropy superparaelectrics with locally diverse ferroic distortion for high-capacitive energy storage," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    2. Yunpeng Zheng & Qinghua Zhang & Caijuan Shi & Zhifang Zhou & Yang Lu & Jian Han & Hetian Chen & Yunpeng Ma & Yujun Zhang & Changpeng Lin & Wei Xu & Weigang Ma & Qian Li & Yueyang Yang & Bin Wei & Bing, 2024. "Carrier-phonon decoupling in perovskite thermoelectrics via entropy engineering," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    3. Haonan Peng & Tiantian Wu & Zhen Liu & Zhengqian Fu & Dong Wang & Yanshuang Hao & Fangfang Xu & Genshui Wang & Junhao Chu, 2024. "High-entropy relaxor ferroelectric ceramics for ultrahigh energy storage," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    4. Zilong Xie & Jianan Zhu & Zhengli Dou & Yongzheng Zhang & Ke Wang & Kai Wu & Qiang Fu, 2024. "Liquid metal interface mechanochemistry disentangles energy density and biaxial stretchability tradeoff in composite capacitor film," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    5. Jian Fu & Aiwen Xie & Ruzhong Zuo & Yiqian Liu & He Qi & Zongqian Wang & Quan Feng & Jinming Guo & Kun Zeng & Xuefeng Chen & Zhengqian Fu & Yifan Zhang & Xuewen Jiang & Tianyu Li & Shujun Zhang & Yuan, 2024. "A highly polarizable concentrated dipole glass for ultrahigh energy storage," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    6. Xinhui Li & Bo Liu & Jian Wang & Shuxuan Li & Xin Zhen & Jiapeng Zhi & Junjie Zou & Bei Li & Zhonghui Shen & Xin Zhang & Shujun Zhang & Ce-Wen Nan, 2024. "High-temperature capacitive energy storage in polymer nanocomposites through nanoconfinement," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    7. Wei Li & Zhong-Hui Shen & Run-Lin Liu & Xiao-Xiao Chen & Meng-Fan Guo & Jin-Ming Guo & Hua Hao & Yang Shen & Han-Xing Liu & Long-Qing Chen & Ce-Wen Nan, 2024. "Generative learning facilitated discovery of high-entropy ceramic dielectrics for capacitive energy storage," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    8. Carlos G. Rodellar & José M. Gisbert-Gonzalez & Francisco Sarabia & Beatriz Roldan Cuenya & Sebastian Z. Oener, 2024. "Ion solvation kinetics in bipolar membranes and at electrolyte–metal interfaces," Nature Energy, Nature, vol. 9(5), pages 548-558, May.

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