NDLI: Electrochemical aging effects in photovoltaic modules

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Electrochemical aging effects in photovoltaic modules

Content Provider	NASA Technical Reports Server (NTRS)
Author	Mon, G. R.
Copyright Year	1986
Description	Leakage currents were experimentally measured in PV modules undergoing natural aging outdoors, and in PV modules undergoing accelerated aging in laboratory environmental chambers. The significant contributors to module leakage current were identified with a long range goal to develop techniques to reduce or stop module leakage currents. For outdoor aging in general, module leakage current is relatively insensitive to temperature fluctuations, but is very sensitive to moisture effects such as dew, precipitation, and fluctuations in relative humidity. Comparing ethylene vinyl acetate (EVA) and polyvinyl butyral (PVB), module leakage currents are much higher in PVB as compared to EVA for all environmental conditions investigated. Leakage currents proceed in series along two paths, bulk conduction followed by interfacial (surfaces) conduction.
File Size	405687
Page Count	17
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19870007007
Archival Resource Key	ark:/13960/t0rr6qt8s
Language	English
Publisher Date	1986-01-01
Access Restriction	Open
Subject Keyword	Energy Production And Conversion Leakage Damage Assessment Moisture Modules Metallizing Corrosion Photovoltaic Cells Delaminating Electrochemistry Aging Materials Encapsulating Charge Transfer Electric Current Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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