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Journal of Materials Science: Materials in Electronics
Published in: Journal of Materials Science: Materials in Electronics 7/2017

17-12-2016

Fabrication and enhanced characterization of copper powder filled copper calcium titanate/poly(vinylidene difluoride) composite

Authors: Juanjuan Wang, Xiaolian Chao, Guangzhao Li, Lajun Feng, Kang Zhao

Published in: Journal of Materials Science: Materials in Electronics | Issue 7/2017

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Abstract

The dielectric composite ceramics copper calcium titanate/poly vinylidene fluoride (CaCu3Ti4O12/PVDF) with Cu powder as a modified agent are successfully prepared by solution mixing processing and hot pressing method. The relative dielectric constants of these composites are significantly enhanced with increase in the volume fraction of copper powder. These composites also possess stable frequency and thermal stability properties in the frequency range of 100–1 MHz. The dielectric permittivity of the 60 vol%PVDF/20 vol%CCTO/20 vol%Cu composite ceramics is higher two times than those with undoped Cu powder and reaches the maximum value of 135 (1 kHz) at Cu powder concentration of 20 vol%. The results indicate that using Cu powder as a modification agent can greatly enhance the dielectric permittivity of the ceramic–polymer composite and achieve high-stability for super capacitor applications.
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Metadata
Title
Fabrication and enhanced characterization of copper powder filled copper calcium titanate/poly(vinylidene difluoride) composite
Authors
Juanjuan Wang
Xiaolian Chao
Guangzhao Li
Lajun Feng
Kang Zhao
Publication date
17-12-2016
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 7/2017
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-016-6204-8

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