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Nanocomposite multilayer capacitors comprising BaTiO3@TiO2 and poly(vinylidene fluoride-hexafluoropropylene) for dielectric-based energy storage
Author(s) -
Mojtaba Rahimabady,
Lü Li,
Kui Yao
Publication year - 2014
Publication title -
journal of advanced dielectrics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.38
H-Index - 13
eISSN - 2010-135X
pISSN - 2010-1368
DOI - 10.1142/s2010135x1450009x
Subject(s) - materials science , capacitor , nanocomposite , polymer capacitor , dielectric , hexafluoropropylene , film capacitor , fluoride , polymer , power density , energy storage , composite material , optoelectronics , electrical engineering , voltage , power (physics) , electrolytic capacitor , copolymer , inorganic chemistry , chemistry , physics , tetrafluoroethylene , quantum mechanics , engineering
Multilayer dielectric capacitors were fabricated from nanocomposite precursor comprised of BaTiO 3 @ TiO 2 core–shell nanosized particles and poly(vinylidene fluoride–hexafluoropropylene) (P(VDF–HFP)) polymer matrix (20 vol%). The multilayer capacitors showed very high discharge speed and high discharged energy density of around 2.5 J/cm 3 at its breakdown field (~ 166 MV/m). The energy density of the nanocomposite multilayer capacitors was substantially higher than the energy density of commercially used power capacitors. Low cost, flexible structure, high discharge rate and energy density suggest that the nanocomposite multilayer capacitors are promising for energy storage applications in many power devices and systems.

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