Composite material with enhanced ultraviolet performance stability for photovoltaic modules

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ISSN: 0927-0248
DOI: 10.1016/j.solmat.2019.109947
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2019-09-15
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Abstract
The present work aims encapsulating photovoltaic cells in glass reinforced epoxy composite by vacuum resin infusion, incorporating additives directed to enhance the performance stability of the manufactured photovoltaic modules under ultraviolet (UV) exposure. UV absorber (UVA) and hindered amine light stabilizer (HALS) additives were incorporated in the resin system in different content. Photovoltaic performance and stability under UV radiation exposure were studied through external quantum efficiency (EQE) spectra, chromatic coordinates and short-circuit current values. Decrease in current values and increase in yellowness were observed in the presence of UVA and HALS. However, an enhanced performance stability was observed when additives are incorporated, improving the stability when increasing the additive amount. The most stable module, with cells embedded in 2% additive containing composite, showed a 2.7% short-circuit current loss after UV aging exposure.
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Publisher Copyright: © 2019 Elsevier B.V.
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Composite material , Photovoltaic module , Encapsulation , Performance stability , Ultraviolet additive , Composite material , Photovoltaic module , Encapsulation , Performance stability , Ultraviolet additive , Electronic, Optical and Magnetic Materials , Renewable Energy, Sustainability and the Environment , Surfaces, Coatings and Films , SDG 7 - Affordable and Clean Energy , Funding Info , This work was supported by the Basque Government Elkartek 2018Programme (Grant Agreement KK-2018/00040). The authors thank toBASF company for supplying UVA and HALS components. , This work was supported by the Basque Government Elkartek 2018Programme (Grant Agreement KK-2018/00040). The authors thank toBASF company for supplying UVA and HALS components.
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Imbuluzqueta , G , Yurrita , N , Aizpurua , J , Cano , F J & Zubillaga , O 2019 , ' Composite material with enhanced ultraviolet performance stability for photovoltaic modules ' , Solar Energy Materials and Solar Cells , vol. 200 , 109947 , pp. 109947 . https://doi.org/10.1016/j.solmat.2019.109947