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Moisture-temperature degradation in module encapsulants: The general problem of moisture in photovoltaic encapsulantsA general research approach was outlined toward understanding water-module interactions and the influence of temperature involving the need to: quantify module performance loss versus level of accumulated degradation, establish the dependence of the degradation reaction rate on module moisture and temperature levels, and determine module moisture and temperature levels in field environments. These elements were illustrated with examples drawn from studies of the now relatively well understood module electrochemical degradation process. Research data presented include temperature and humidity-dependent equilibrium leakage current values for multiparameter module material and design configurations. The contributions of surface, volume, and interfacial conductivities was demonstrated. Research directions were suggested to more fully understand the contributions to overall module conductivity of surface, volume, and interfacial conductivities over ranges of temperature and relative humidity characteristic of field environments.
Document ID
19860019888
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Mon, G. R.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
August 12, 2013
Publication Date
June 1, 1985
Publication Information
Publication: Proceedings of the 25th Project Integration Meeting
Subject Category
Energy Production And Conversion
Accession Number
86N29360
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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