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Proceedings Paper

Analysis of the glass-clear PVB lamination foil interface of thin film laminates
Author(s): Jens Günster; Stefan Krull; Fabia Rakusa; Florian Roth; Ivan Sinicco
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Paper Abstract

Systematic investigation of aging mechanisms of a glass-clear PVB film interface at the edge of thin film silicon photovoltaic modules has been performed. The modules under study were composed of a front superstrate laminated to a back glass. Different degradation mechanisms responsible for adhesive strengths loss between PVB film and superstrate are discussed. Glass-foil adhesive strength in compressive shear configuration using different glass compositions and module configurations is given. As accelerated aging stress of the modules, standard damp heat test conditions (85° C, 85% relative humidity) have been applied. A chemical analysis of the glass foil interface was performed and the correlation of those results to those coming from wet leakage measurements is also given.

Paper Details

Date Published: 19 August 2010
PDF: 7 pages
Proc. SPIE 7773, Reliability of Photovoltaic Cells, Modules, Components, and Systems III, 77730B (19 August 2010); doi: 10.1117/12.855503
Show Author Affiliations
Jens Günster, Oerlikon Solar Ltd. (Switzerland)
Stefan Krull, Oerlikon Solar Ltd. (Switzerland)
Fabia Rakusa, Oerlikon Solar Ltd. (Switzerland)
Florian Roth, Oerlikon Solar Ltd. (Switzerland)
Ivan Sinicco, Oerlikon Solar Ltd. (Switzerland)

Published in SPIE Proceedings Vol. 7773:
Reliability of Photovoltaic Cells, Modules, Components, and Systems III
Neelkanth G. Dhere; John H. Wohlgemuth; Kevin Lynn, Editor(s)

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