Journal
PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON CRYSTALLINE SILICON PHOTOVOLTAICS (SILICONPV 2013)
Volume 38, Issue -, Pages 498-505Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.egypro.2013.07.309
Keywords
Snail trails; module defects; laboratory test method
Funding
- FhG Innovation Cluster SolarPolymer
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The snail trail discoloration effect observed at many PV modules after some time in the field was investigated with regard to their microscopic and chemical properties and environmental conditions. We show here the combined results of studies on defect modules after outdoor exposure as well as on mini modules after laboratory DEI tests and provide a mechanistic model for the snail trail formation. Finally, we can show that a detailed chemical and physical characterization of encapsulation polymers is a fundamental prerequisite for quality assurance and reliability in solar module production. (C) 2013 The Authors. Published by Elsevier Ltd.
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