Journal of Materials Science

, Volume 54, Issue 9, pp 6982–6990 | Cite as

Polymer-derived SiCN ceramics as fillers for polymer composites with high dielectric constants

  • Dandan Sun
  • Feng Chen
  • Yan GaoEmail author
  • Sijie Huang
  • Yiguang WangEmail author


High-dielectric-constant (high-ε) ceramic/polymer composites are an important class of advanced functional materials due to their applications in energy storage fields, such as embedded capacitors. Here, we synthesized novel polymer-derived silicon carbonitride (SiCN)-filled polyvinylidene fluoride (PVDF) composites by the tape-casting method. For comparison, commercial BaTiO3-filled PVDF composites were synthesized following the same process. The SiCN/PVDF composites showed much higher ε than the BaTiO3/PVDF composites over a broad frequency range (10−1–106 Hz). Furthermore, the SiCN/PVDF composites showed ultrahigh ε at low frequencies. The ε of the 40 vol% SiCN/PVDF composite was as high as 2600 at 10−1 Hz. Although the dielectric breakdown strengths of the SiCN/PVDF composites were slightly lower than those of the BT/PVDF composites, the calculated maximum energy storage density of the 40 vol% SiCN/PVDF composites (17.5 J cm−3) was much higher than that of 40 vol% BT/PVDF (0.773 J cm−3) at 10−1 Hz. This is the first report on the use of polymer-derived ceramics as a component of ceramic/polymer composites. The results indicate that the polymer-derived SiCN ceramics can serve as promising ceramic fillers for high-ε composites and that the obtained SiCN-filled composites have promising applications in energy storage fields.



This work was financially supported by the National Natural Science Foundation of China (Grant Nos. 51372202, #51602264, #51532003, and #51732009) and the Science and Technology Project in Sichuan Province (2016JY0112).


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Science and Technology on Thermostructural Composite Materials LaboratoryNorthwestern Polytechnical UniversityXi’anChina
  2. 2.Applied Mechanics and Structure Safety Key Laboratory of Sichuan Province, School of Mechanics and EngineeringSouthwest Jiaotong UniversityChengduChina

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