Special Section on Reliability of Photovoltaic Cells, Modules, Components, and Systems

Mapping atmospheric corrosion in coastal regions: methods and results

[+] Author Affiliations
Karolina Slamova

Fraunhofer Institute for Solar Energy Systems ISE, Div. PV-Modules and Reliability, Heidenhofstr. 2, 79110 Freiburg, Germany

Rüdiger Glaser

University of Freiburg, Institute of Physical Geography, Werthmannstr. 4, 79098 Freiburg, Germany

Christian Schill

Fraunhofer Institute for Solar Energy Systems ISE, Div. PV-Modules and Reliability, Heidenhofstr. 2, 79110 Freiburg, Germany

Stefan Wiesmeier

Fraunhofer Institute for Solar Energy Systems ISE, Div. PV-Modules and Reliability, Heidenhofstr. 2, 79110 Freiburg, Germany

Michael Köhl

Fraunhofer Institute for Solar Energy Systems ISE, Div. PV-Modules and Reliability, Heidenhofstr. 2, 79110 Freiburg, Germany

J. Photon. Energy. 2(1), 022003 (Jun 29, 2012). doi:10.1117/1.JPE.2.022003
History: Received January 13, 2012; Revised May 25, 2012; Accepted June 4, 2012
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Abstract.  Corrosion can seriously affect the service life of components for solar energy conversion. We present results of mapping the potential of atmospheric corrosion in coastal regions with the aid of a Geographical Information System (GIS). Concentration of sea salt aerosols, which are the main atmospheric pollutants in maritime coastal regions, gives an indication of the probability of the atmospheric corrosion leading to PV-module degradation. Two approaches to estimate the distribution of sea salt aerosol across the coastal regions worldwide are investigated. The first approach is a geo-statistical analysis that has been used for interpolating chloride deposition data. The second approach is based on modeling the environmental conditions, which are affecting source and distribution of airborne salinity. The comparison of these two approaches provides high accuracy in the description of the variation in airborne salinity across the coastal regions. The assessment of the atmospheric corrosion in coastal regions is based on the international standard ISO 9223. The corrosivity classification is simply defined by three parameters: SO2 pollution, airborne salinity, and relative humidity. A combination of the results from the geo-statistical approach and modeling is used; the result is a map of atmospheric corrosion in coastal regions.

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© 2012 Society of Photo-Optical Instrumentation Engineers

Citation

Karolina Slamova ; Rüdiger Glaser ; Christian Schill ; Stefan Wiesmeier and Michael Köhl
"Mapping atmospheric corrosion in coastal regions: methods and results", J. Photon. Energy. 2(1), 022003 (Jun 29, 2012). ; http://dx.doi.org/10.1117/1.JPE.2.022003


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