Enhanced energy storage and suppressed dielectric loss in oxide core-shell-polyolefin nanocomposites by moderating internal surface area and increasing shell thickness

Lisa A. Fredin, Zhong Li, Mark A. Ratner, Michael T. Lanagan, Tobin J. Marks

Research output: Contribution to journalArticlepeer-review

110 Scopus citations

Abstract

Dielectric loss in metal oxide core/Al2O3 shell polypropylene nanocomposites scales with the particle surface area. By moderating the interfacial surface area between the phases and using increasing shell thicknesses, dielectric loss is significantly reduced, and thus the energy stored within, and recoverable from, capacitors fabricated from these materials is significantly increased, to as high as 2.05 J/cm3.

Original languageEnglish (US)
Pages (from-to)5946-5953
Number of pages8
JournalAdvanced Materials
Volume24
Issue number44
DOIs
StatePublished - Nov 20 2012

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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