A comparison of 15 polymers for application in photovoltaic modules in PV-powered boats

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Autonomous electric propulsion in boats by photovoltaic power is an upcoming technology which sets specific requirements to the integration of crystalline PV cells in boat surfaces, such as the deck. Light weight and flexibility of shape as well as endurance are required for successful PV-powered boat design. In order to find alternative materials for common glass and EVA laminates, we evaluated 15 polymers, some with glass fiber reinforcement (GFR), of which we assume they might be suitable for use as a replacement of glass in PV modules for recreational PV boats. The mechanical and optical properties and specific demands due to application in boats have been listed for these 15 polymers as well as variations with glass fiber reinforcement. Costs related to the thickness of polymers and GFR polymers have been taken into account. Our evaluation shows that some polymer materials that have been reinforced with glass fibers such as fluorides, show potential to be used as photovoltaic module materials. Epoxies and GFR epoxies show to be good alternatives when considering cost and weight reduction of PV modules. They offer high strength when thickness remains under 4. mm. For epoxies, this would lead to a weight around 20. g/Wp to 25. g/Wp compared to a weight around 86. g/Wp to 130. g/Wp for PV glass laminates. Fluorides offer excellent UV-stability but are up to 20 times more expensive per kilogram and require structural support compared to glass. They prove to offer high energy conversion performance by having high UV stability and high transmittance. To be cost competitive with glass, the thickness of fluorides should be under 1. mm. This could lead to a weight per Wattpeak ratio of 10. g/Wp to 15. g/Wp, which is a reduction of 85% compared to PV glass laminates.

Originele taal-2Engels
Pagina's (van-tot)286-297
Aantal pagina's12
TijdschriftApplied Energy
StatusGepubliceerd - 1 jan. 2012
Extern gepubliceerdJa


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