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Adv Mater. 2015 Nov;27(42):6658-63. doi: 10.1002/adma.201503186. Epub 2015 Sep 25.

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

Advanced materials (Deerfield Beach, Fla.)

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

Affiliations

  1. State Key Laboratory for Mechanical Behavior of Materials and Electronic Materials Research Laboratory, Xi'an Jiaotong University, Xi'an, 710049, China.

PMID: 26403222 DOI: 10.1002/adma.201503186

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.

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: dielectrics; energy density; nanocomposites; sandwich structure

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