Meta-aromatic polyurea with high dipole moment and dipole density for energy storage capacitors

Shan Wu, Minren Lin, Quinn Burlingame, Qiming Zhang

    Research output: Contribution to journalArticle

    28 Citations (Scopus)

    Abstract

    A dielectric polymer, i.e., meta-aromatic polyurea(meta-PU) was developed and investigated for high energy density, low loss energy storage capacitors. Modifications to the molecular structure can tune the dipolar density and dipole moment in the polyurea systems to improve the dielectric properties. Meta-PU was synthesized via a green synthetic route with a higher volume dipolar density than the aromatic polyurea previously reported. The meta-PU has an enhanced dielectric constant, higher energy density, and a high electrical breakdown. A high storage electrical energy density of 13 J/cm3 and energy storage efficiency of 91% can be achieved at 670 MV/electric field.

    Original languageEnglish (US)
    Article number072903
    JournalApplied Physics Letters
    Volume104
    Issue number7
    DOIs
    StatePublished - Jan 1 2014

    Fingerprint

    energy storage
    capacitors
    dipole moments
    flux density
    dipoles
    electric power
    electrical faults
    dielectric properties
    molecular structure
    routes
    permittivity
    moments
    electric fields
    polymers

    All Science Journal Classification (ASJC) codes

    • Physics and Astronomy (miscellaneous)

    Cite this

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    Meta-aromatic polyurea with high dipole moment and dipole density for energy storage capacitors. / Wu, Shan; Lin, Minren; Burlingame, Quinn; Zhang, Qiming.

    In: Applied Physics Letters, Vol. 104, No. 7, 072903, 01.01.2014.

    Research output: Contribution to journalArticle

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