Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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A Review on Recent Development and Applications of Dielectric Elastomers

  • Seo, Jin Sung (Department of Chemistry and Chemical Engineering, Inha University) ;
  • Kim, Dohyeon (Department of Chemistry and Chemical Engineering, Inha University) ;
  • Hwang, Sosan (Department of Chemistry and Chemical Engineering, Inha University) ;
  • Shim, Sang Eun (Department of Chemistry and Chemical Engineering, Inha University)
  • Received : 2021.03.22
  • Accepted : 2021.04.14
  • Published : 2021.06.30
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Abstract

This paper reviews recent developments and applications of dielectric elastomers (DEs) and suggests various techniques to improve DE properties. DEs as smart materials are a variety of electro-active polymers (EAPs) that convert electrical energy into mechanical energy and cause a large deformation when a voltage is applied. The dielectric constant, modulus, and dielectric loss of DEs determine the efficiency of deformation. Among these, the dielectric constant significantly affects their performance. Therefore, various recent approaches to improve the dielectric constant are reviewed, including the enhancement of polarization, introduction of microporous structures in the matrix, and introduction of ferroelectric fillers. Furthermore, the basic principles of DEs are examined, as well as their various applications such as actuators, generators, sensors, and artificial muscles.

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References

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