Enhanced electric polarization and breakdown strength in the all-organic sandwich-structured poly(vinylidene fluoride)-based dielectric film for high energy density capacitor | Zendy

Yue Zhang | Zendy; Qingguo Chi | Zendy; Lizhu Liu | Zendy; Changhai Zhang | Zendy; Chen Chen | Zendy; Xuan Wang | Zendy; Qingquan Lei | Zendy

Open Access

Enhanced electric polarization and breakdown strength in the all-organic sandwich-structured poly(vinylidene fluoride)-based dielectric film for high energy density capacitor

Author(s) -

Yue Zhang,

Qingguo Chi,

Lizhu Liu,

Changhai Zhang,

Chen Chen,

Xuan Wang,

Qingquan Lei

Publication year - 2017

Publication title -

apl materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.571

H-Index - 60

ISSN - 2166-532X

DOI - 10.1063/1.4995653

Subject(s) - materials science , capacitor , dielectric , composite material , composite number , permittivity , dielectric strength , energy storage , polarization (electrochemistry) , electric field , fluoride , polarization density , voltage , optoelectronics , electrical engineering , magnetic field , power (physics) , inorganic chemistry , chemistry , physics , magnetization , quantum mechanics , engineering

It is essential to develop the dielectric energy storage capacitor for the modern electrical and electronic equipment. Here, the all-organic sandwich-structured composite with superior breakdown strength and delayed saturation polarization is presented. Furthermore, the energy storage characteristics of the composite are enhanced by the poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) fiber and the redistribution of local electric field. The dielectric permittivity of composite increases to ∼16, and the discharged energy density is high to ∼8.7 J/cm3 at 360 kV/mm, and the breakdown strength is up to ∼408 kV/mm. The excellent performance of the composite broadens the application in the field of power electronics industry

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