Methods to evaluate the effect of water ingress: towards ultra-reliable PV modules

Valentin Chapuis; Federico Galliano; Christian Schlumpf; Heng-Yu Li; Christophe Ballif; Laure-Emmanuelle Perret-Aebi

doi:10.1117/12.2028918

24 September 2013 Methods to evaluate the effect of water ingress: towards ultra-reliable PV modules

Valentin Chapuis, Federico Galliano, Christian Schlumpf, Heng-Yu Li, Christophe Ballif, Laure-Emmanuelle Perret-Aebi

Proceedings Volume 8825, Reliability of Photovoltaic Cells, Modules, Components, and Systems VI; 88250E (2013) https://doi.org/10.1117/12.2028918
Event: SPIE Solar Energy + Technology, 2013, San Diego, California, United States

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.

Citation Download Citation

Valentin Chapuis, Federico Galliano, Christian Schlumpf, Heng-Yu Li, Christophe Ballif, and Laure-Emmanuelle Perret-Aebi "Methods to evaluate the effect of water ingress: towards ultra-reliable PV modules", Proc. SPIE 8825, Reliability of Photovoltaic Cells, Modules, Components, and Systems VI, 88250E (24 September 2013); https://doi.org/10.1117/12.2028918

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