Surface‐modified barium titanate by MEEAA for high‐energy storage application of polymer composites | Zendy

Shen Yanbin | Zendy; Luo Suibin | Zendy; Yu Shuhui | Zendy; Sun Rong | Zendy; Wong ChingPing | Zendy

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Surface‐modified barium titanate by MEEAA for high‐energy storage application of polymer composites

Author(s) -

Shen Yanbin,

Luo Suibin,

Yu Shuhui,

Sun Rong,

Wong ChingPing

Publication year - 2016

Publication title -

high voltage

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.732

H-Index - 20

ISSN - 2397-7264

DOI - 10.1049/hve.2016.0066

Subject(s) - materials science , barium titanate , composite material , nanocomposite , polymer , ceramic , surface modification , composite number , nanoparticle , titanate , coating , chemical engineering , nanotechnology , engineering

In this study, 2‐[2‐(2‐methoxyethoxy)ethoxy]acetic acid (MEEAA) was used to modify the surface of barium titanate nanoparticles (BT NPs) to enhance the compatibility and dispersion of the BT ceramic fillers in polymer matrix. A uniform coating layer with a thickness about 2 nm was formed on the surface of BT after modification. The poly(vinylidene fluoride)‐hexafluoropropene [P(VDF‐HFP)] composites filled with MEEAA‐modified BT NPs achieved higher permittivity(∼13 at 3.0 vol% filler) and discharged energy density than that of the untreated BT filled composite. The maximum discharge energy density of 7.8 J/cm 3 was obtained in the nanocomposites with 3 vol% MEEAA‐modified BT NPs at electric field of 425 kV/mm, which is 77% higher than that of 4.4 J/cm 3 of pure P(VDF‐HFP) film at electric field of 420 kV/mm.

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