Characterizing Degradation of the EVA Encapsulant of PV Modules: A Combined MatChar Approach


Join Nic Lancaster for a deeper understanding of the analytical challenges facing photovoltaic encapsulant material. Ethylene-vinyl acetate (EVA) has many favorable characteristics as an encapsulant material, so it is important to understand and characterize the various failure modes of different material components that could occur in the field. Listen as Nic describes how EVA samples extracted from mini-PV modules aged under various conditions are characterized using a PerkinElmer Spectrum Two™ FTIR Spectrometer and a PerkinElmer TGA 8000 Thermogravimetric analyzer.

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