Enhancement of dielectric breakdown strength in glass using polymer coatings

Mohan P. Manoharan, Michael T. Lanagan, Chen Zhou, Douglas Kushner, Shihai Zhang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

Traditional polymer film capacitors used in pulsed power and power electronics applications have severe limitations in terms of high temperature reliability. Alkali-free glass is a promising material for high temperature and high power capacitors because of its low dielectric loss and high breakdown strength (12 MV/cm), resulting in energy density values exceeding 35 J/cm 3. Several alkali-free glass compositions are commercially available with a permittivity range of 5 to 7 and low dielectric loss (tan δ 0.5%) up to 200°C. Polymer coatings, such as parylene-C and fluorinated polyester (FPE) significantly increase the breakdown strength of alkali-free glass sheets; in some cases, by over 50% at temperatures up to 1250C, compared to uncoated glass.

Original languageEnglish (US)
Title of host publicationProceedings of the 2012 IEEE International Power Modulator and High Voltage Conference, IPMHVC 2012
Pages280-283
Number of pages4
DOIs
StatePublished - Dec 1 2012
Event2012 IEEE International Power Modulator and High Voltage Conference, IPMHVC 2012 - San Diego, CA, United States
Duration: Jun 3 2012Jun 7 2012

Publication series

NameProceedings of the 2012 IEEE International Power Modulator and High Voltage Conference, IPMHVC 2012

Other

Other2012 IEEE International Power Modulator and High Voltage Conference, IPMHVC 2012
CountryUnited States
CitySan Diego, CA
Period6/3/126/7/12

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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