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Polymer dielectric capacitors

Sub-nano fillers for high-temperature storage

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Polymer nanocomposite-based dielectric capacitors are promising candidates for high- power-density energy storage devices. However, they exhibit poor performance at high temperatures. A polymer nanocomposite based on sub-nanosheets shows high energy density at elevated temperatures due to the unique structure, geometry, and high surface area to volume ratio of the nanosheets.

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Fig. 1: Effects of the 2D nanosheet size, shape, and geometry on the dielectric strength of the nanofiller-based polymer composites.

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Authors and Affiliations

  1. Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA

    Maninderjeet Singh, Saurabh Kr Tiwary & Alamgir Karim

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  1. Maninderjeet Singh
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  2. Saurabh Kr Tiwary
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  3. Alamgir Karim
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Correspondence to Maninderjeet Singh or Alamgir Karim.

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The authors declare no competing interests.

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Singh, M., Tiwary, S.K. & Karim, A. Sub-nano fillers for high-temperature storage. Nat Energy 9, 113–114 (2024). https://doi.org/10.1038/s41560-023-01446-x

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