plenary speech

Prof. Rosa Penna
Prof. K. Agroui
Semiconductors Technology for Energetic Research Center (CRTSE), Algeria


Title: Characterization and Durability of Emerging Polymeric Encapsulant Materials for Photovoltaic Modules: Situation and Perspectives

Abstract: The properties of the encapsulant are critical to the long-term performance of photovoltaic (PV) modules under the influence of sunlight including UV, elevated temperature, humidity and diffusion of oxygen. The 30-year lifetime objective is particularly challenging for an organic encapsulant. Encapsulation process represents about 40% of the whole cost of the PV module. The properties of the encapsulant are critical to the long-term performance of photovoltaic (PV) modules under the influence of sunlight including UV, elevated temperature, humidity and diffusion of oxygen. Encapsulation process represents about 40% of the whole cost of the PV module. The introduction of new non-EVA encapsulant material type  Low-Cost, High-Performance should provide a solution to outdoor yellowing degradation problems. The emerging encapsulant materials such as polyolefin (PO) and Nanostructured transparent polymer (NSTP) are a very promising challenge for PV conversion and exhibit a good compatibility with emerging PV devices for long term durability. This new generation of encapsulant materials has the advantage to improve the PV module performances and long term durability for specific climate like desert regions. This scientific contribution presents an overview of the different encapsulant materials currently on the market and their chemical functionalization with nanomaterials. The general requirements of the emerging encapsulant materials and characterizations techniques for degradation diagnostic and reliability lifetime estimation in the framework of Algerian renewable energy strategy will be described.

Bio: Dr. Kamel Agroui is a Research Director at Semiconductors Technology for Energetic Research Center (CRTSE). He has published in the areas of photovoltaic (PV) module characterization and polymer encapsulant materials analysis. This author became a member of technical committee 82 at International Commission of Electro technique (IEC) in the field of PV components standardisation.


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