Polymer nanocomposites with high energy storage densities

Yang Shen, Yuanhua Lin, Qiming Zhang

    Research output: Contribution to journalArticle

    54 Citations (Scopus)

    Abstract

    Dielectric capacitors have been the major enabler for many applications in advanced electronic and electrical power systems because of their capability for ultrafast charging/discharging and ultrahigh power density. The low energy densities of polymer dielectrics used in these capacitors have not been able to meet the ever-increasing demands for compact, reliable, and efficient electrical power systems. Polymer nanocomposites, in which high-dielectric-constant (k) nanofillers are incorporated in the polymer matrix, have been actively pursued. In this article, we begin with two theoretical considerations for concomitantly increasing the dielectric permittivity and breakdown strength of nanocomposites: critical interfacial polarization and local electric-field distribution. In the framework of these considerations, we review recent progress toward polymer nanocomposites with high energy densities based on two approaches: core-shell-structured polymer nanocomposites and dielectric anisotropy. In addition, the potential for the enhanced elastic properties of nanocomposites to improve the dielectric strengths of capacitor films is also discussed.

    Original languageEnglish (US)
    Pages (from-to)753-759
    Number of pages7
    JournalMRS Bulletin
    Volume40
    Issue number9
    DOIs
    StatePublished - Sep 4 2015

    Fingerprint

    energy storage
    Energy storage
    Nanocomposites
    nanocomposites
    Polymers
    polymers
    capacitors
    Capacitors
    Permittivity
    flux density
    permittivity
    Polymer matrix
    charging
    radiant flux density
    Anisotropy
    elastic properties
    breakdown
    Electric fields
    Polarization
    anisotropy

    All Science Journal Classification (ASJC) codes

    • Materials Science(all)
    • Condensed Matter Physics
    • Physical and Theoretical Chemistry

    Cite this

    Shen, Yang ; Lin, Yuanhua ; Zhang, Qiming. / Polymer nanocomposites with high energy storage densities. In: MRS Bulletin. 2015 ; Vol. 40, No. 9. pp. 753-759.
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    Polymer nanocomposites with high energy storage densities. / Shen, Yang; Lin, Yuanhua; Zhang, Qiming.

    In: MRS Bulletin, Vol. 40, No. 9, 04.09.2015, p. 753-759.

    Research output: Contribution to journalArticle

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