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Proceedings Paper

Methods to evaluate the effect of water ingress: towards ultra-reliable PV modules
Author(s): Valentin Chapuis; Federico Galliano; Christian Schlumpf; Heng-Yu Li; Christophe Ballif; Laure-Emmanuelle Perret-Aebi
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Paper Abstract

A durable encapsulation scheme is of paramount importance to achieve long lifetime of the solar modules. Among other, water vapor and acetic acid are considered as important degradation factors. Various methods contributing to understand failure modes related to water vapor and acetic acid ingress are presented here. • Using 2D finite-element analysis in correlation with climatic data, a model is built to simulate water ingress within the module. A comparison between various climatic regions is given. • Real interfacial adhesion of encapsulant to glass is characterized before and after exposure to water vapor using a new compressive shear test.

Paper Details

Date Published: 24 September 2013
PDF: 7 pages
Proc. SPIE 8825, Reliability of Photovoltaic Cells, Modules, Components, and Systems VI, 88250E (24 September 2013); doi: 10.1117/12.2028918
Show Author Affiliations
Valentin Chapuis, CSEM (Switzerland)
Federico Galliano, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Christian Schlumpf, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Heng-Yu Li, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Christophe Ballif, CSEM PV-Ctr. (Switzerland)
Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Laure-Emmanuelle Perret-Aebi, CSEM PV-Ctr. (Switzerland)


Published in SPIE Proceedings Vol. 8825:
Reliability of Photovoltaic Cells, Modules, Components, and Systems VI
Neelkanth G. Dhere; John H. Wohlgemuth; Kevin W. Lynn, Editor(s)

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