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
Country/TerritoryUnited 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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