Properties of a nanodielectric cryogenic resin

Georgios Polizos; Enis Tuncer; Isidor Sauers; Karren L. More

doi:10.1063/1.3394011

Properties of a nanodielectric cryogenic resin

Georgios Polizos, Enis Tuncer, Isidor Sauers, Karren L. More

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34 Scopus citations

Abstract

Physical properties of a nanodielectric composed of in situ synthesized titanium dioxide (TiO₂) nanoparticles (≤5 nm in diameter) and a cryogenic resin are reported. The dielectric losses were reduced by a factor of 2 in the nanocomposite, indicating that the presence of small TiO₂ nanoparticles restricted the mobility of the polymer chains. Dielectric breakdown data of the nanodielectric was distributed over a narrower range than that of the unfilled resin. The nanodielectric had 1.56 times higher 1% breakdown probability than the resin, yielding 0.64 times thinner insulation thickness for the same voltage level, which is beneficial in high voltage engineering.

Original language	English
Article number	152903
Journal	Applied Physics Letters
Volume	96
Issue number	15
DOIs	https://doi.org/10.1063/1.3394011
State	Published - Apr 12 2010

Funding

Research sponsored by the U.S. Department of Energy, Office of Electricity Delivery, and Energy Reliability, Advance Cables and Conductors, under Contract No. DE-AC05-00OR22725 with Oak Ridge National Laboratory, managed and operated by UT-Battelle, LLC. The DSC and DMA measurements were performed at Oak Ridge National Laboratory's Center for Nanophase Materials Sciences, sponsored by the Scientific User Facilities Division, Office of Basic Energy Sciences, and U.S. Department of Energy.

Funders	Funder number
Oak Ridge National Laboratory
Office of Electricity Delivery	DE-AC05-00OR22725
Scientific User Facilities Division
U.S. Department of Energy
Basic Energy Sciences
Oak Ridge National Laboratory

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AU - Sauers, Isidor

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AB - Physical properties of a nanodielectric composed of in situ synthesized titanium dioxide (TiO2) nanoparticles (≤5 nm in diameter) and a cryogenic resin are reported. The dielectric losses were reduced by a factor of 2 in the nanocomposite, indicating that the presence of small TiO2 nanoparticles restricted the mobility of the polymer chains. Dielectric breakdown data of the nanodielectric was distributed over a narrower range than that of the unfilled resin. The nanodielectric had 1.56 times higher 1% breakdown probability than the resin, yielding 0.64 times thinner insulation thickness for the same voltage level, which is beneficial in high voltage engineering.

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Properties of a nanodielectric cryogenic resin

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