Predicting the Performance of Edge Seal Materials for PV (Presentation): NREL (National Renewable Energy Laboratory)

Research output: NRELPresentation

Abstract

Edge seal materials were evaluated using a 100-nm film of Ca deposited on glass and laminated to another glass substrate. As moisture penetrates the package it converts the Ca metal to transparent CaOH2 giving a clear indication of the depth to which moisture has entered. Using this method, we have exposed test samples to a variety of temperature and humidity conditions ranging from 45C and 10%RH up to 85C and 85% RH, to ultraviolet radiation and to mechanical stress. We are able to show that edge seal materials are capable of keeping moisture away from sensitive cell materials for the life of a module.
Original languageAmerican English
Number of pages28
StatePublished - 2012

Publication series

NamePresented at the PV Module Reliability Workshop, 28 February - 2 March 2012, Golden, Colorado

NREL Publication Number

  • NREL/PR-5200-54582

Keywords

  • calcium
  • edge seal
  • modeling
  • moisture
  • PV

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