Enhanced energy density of polyaniline nanostructured polymer nanocomposites at low electric field

Shatrudhan Palsaniya

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

This work exhibits anionic sodium dodecyl sulfate (SDS), nonionic triblock copolymer F127, and polyaniline (PANI) nanostructures. The nanorod shaped PANI-SDS-F127 1:1 demonstrates noteworthy features - scalable and extended electrical characteristics, dielectric response, and significance in high-density energy storage devices. High-frequency measurements (1 MHz-1 GHz) preserve dielectric relaxation, which is attributed to excellent charge polarization. Uniformly distributed PANI nanorods align with the induced electric field and develop high current density (J ∼5.270 × 105 mA m-2), electric displacement (Dmax ∼7.408 × 105 C m-2), and lower impedance (Zs ∼3.28 ω), which result in an improved charge polarization leading to increased capacitance (Cs ∼6.21 μF). These properties yield notable energy density (Ue ∼1.08 J cm-3) and signify a polymer matrix viable to high-density energy storage capacitor devices that would be actively favorable in developing efficient electronic and electrical devices.

Original languageEnglish
Article number044101
JournalJournal of Applied Physics
Volume129
Issue number4
DOIs
StatePublished - 28 Jan 2021
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy

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