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Tunable dielectric polarization and breakdown behavior for high energy storage capability in P(VDF–TrFE–CFE)/PVDF polymer blended composite films by Pu Mao; Jiping Wang; Lixue Zhang; Qinzhao Sun; Xixia Liu; Liqiang He; Shujuan Liu; Siwen Zhang; Hao Gong is a Chemistry article available to read on EtoBox.
What is Tunable dielectric polarization and breakdown behavior for high energy storage capability in P(VDF–TrFE–CFE)/PVDF polymer blended composite films about?
Polymer dielectrics with high dielectric performances and superior discharge energy capability are highly desirable for advanced electrostatic capacitor applications. However, the paradoxical relationship between dielectric polarization and electric breakdown behavior generally hinder their further enhancement in energy storage performances. Herein, polymer blended composite films with high energy storage capability were successfully fabricated by blending together poly(vinylidene fluoride) (PVDF) polymer and poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) (P(VDF-TrFE-CFE)) terpolymer. The P(VDF-TrFE-CFE) terpolymer has a high dielectric constant to provide a large electric displacement under an applied electric field far below its breakdown field, which is anticipated to modulate the dielectric polarization behavior of PVDF polymer when blended in different proportions. Consequently, the polymer blended composite film consisting of 20 wt% (P(VDF-TrFE-CFE)) terpolymer exhibits a high discharge energy density of 13.63 J cm at an enhanced breakdown strength of 480 MV m. This obtained high discharge energy density is 84% higher than the pure PVDF film and 582% higher
Who reads Tunable dielectric polarization and breakdown behavior for high energy storage capability in P(VDF–TrFE–CFE)/PVDF polymer blended composite films?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Pu Mao; Jiping Wang; Lixue Zhang; Qinzhao Sun; Xixia Liu; Liqiang He; Shujuan Liu; Siwen Zhang; Hao Gong
- Published
- 2020
- Language
- EN
- Field
- Chemistry (Physical Sciences)