Significantly Enhanced Breakdown Strength and Energy Density in Sandwich-Structured Barium Titanate/Poly(vinylidene fluoride) Nanocomposites

  • Yifei Wang
  • , Jin Cui
  • , Qibin Yuan
  • , Yujuan Niu
  • , Yuanyuan Bai
  • , Hong Wang

Research output: Contribution to journalArticlepeer-review

618 Scopus citations

Abstract

Sandwich-structured BaTiO3/poly(vinylidene fluoride) (PVDF) nanocomposites are successfully prepared by the solution-casting method layer by layer. They possess both high breakdown strength and large dielectric polarization simultaneously. An ultra-high energy-storage density of 18.8 J cm-3 can be achieved by adjusting the volume fraction of ceramic fillers: this is almost three times larger than that of pure PVDF.

Original languageEnglish
Pages (from-to)6658-6663
Number of pages6
JournalAdvanced Materials
Volume27
Issue number42
DOIs
StatePublished - 1 Nov 2015

Keywords

  • dielectrics
  • energy density
  • nanocomposites
  • sandwich structure

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