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Poly(Vinyldene Fluoride-Trifluoroethylene-Chlorofluoroethylene) Terpolymer as High-energy-density Capacitor Materials

Published online by Cambridge University Press:  01 February 2011

Baojin Chu ,
Xin Zhou ,
Bret Neese  and
Q. M. Zhang
Baojin Chu
Affiliation:
[email protected], Penn State University, 187 Materials Research Lab, University Park, PA, 16802, United States
Xin Zhou
Affiliation:
[email protected], Penn State University, 187 Materials Research Lab, University Park, PA, 16802, United States
Bret Neese
Affiliation:
[email protected], Penn State University, 187 Materials Research Lab, University Park, PA, 16802, United States
Q. M. Zhang
Affiliation:
[email protected], Penn State University, 187 Materials Research Lab, University Park, PA, 16802, United States
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Abstract

Recently, PVDF-TrFE-CFE terpolymer was developed in Penn State University. The polymer exhibits relaxor ferroelectric behavior. At room temperature, the low-field dielectric constant can be as high as 50-60, more than ten times larger than other dielectric polymer materials, such as Polypropylene, the most widely-used polymer materials for capacitor applications. Due to the large change of electric field induced polarization and high breakdown field, energy density of the terpolymer can reach ∼10 J/cm3, much larger than other polymer materials. In this paper, experimental results on energy density and non-linear dielectric behavior of the terpolymer will be reported.

Keywords

ferroelectricpolymerdielectric
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 889: Symposium W – Electroresponsive Polymers and Their Applications , 2005 , 0889-W07-02
Copyright
Copyright © Materials Research Society 2006

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References

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