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Durability and Performance of Encapsulant Films for Bifacial Heterojunction Photovoltaic Modules

Energy recovery from renewable sources is a very attractive, and sometimes, challenging issue. To recover solar energy, the production of photovoltaic (PV) modules becomes a prosperous industrial certainty. An important material in PV modules production and correct functioning is the encapsulant mat...

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Autores principales: Baiamonte, Marilena, Colletti, Claudio, Ragonesi, Antonino, Gerardi, Cosimo, Dintcheva, Nadka Tz.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8914825/
https://www.ncbi.nlm.nih.gov/pubmed/35267875
http://dx.doi.org/10.3390/polym14051052
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author Baiamonte, Marilena
Colletti, Claudio
Ragonesi, Antonino
Gerardi, Cosimo
Dintcheva, Nadka Tz.
author_facet Baiamonte, Marilena
Colletti, Claudio
Ragonesi, Antonino
Gerardi, Cosimo
Dintcheva, Nadka Tz.
author_sort Baiamonte, Marilena
collection PubMed
description Energy recovery from renewable sources is a very attractive, and sometimes, challenging issue. To recover solar energy, the production of photovoltaic (PV) modules becomes a prosperous industrial certainty. An important material in PV modules production and correct functioning is the encapsulant material and it must have a good performance and durability. In this work, accurate characterizations of performance and durability, in terms of photo- and thermo-oxidation resistance, of encapsulants based on PolyEthylene Vinyl Acetate (EVA) and PolyOlefin Elastomer (POE), containing appropriate additives, before (pre-) and after (post-) lamination process have been carried out. To simulate industrial lamination processing conditions, both EVApre-lam and POEpre-lam sheets have been subjected to prolonged thermal treatment upon high pressure. To carry out an accurate characterization, differential scanning calorimetry, rheological and mechanical analysis, FTIR and UV-visible spectroscopy analyses have been performed on pre- and post-laminated EVA and POE. The durability, in terms of photo- and thermo-oxidation resistance, of pre-laminated and post-laminated EVA and POE sheets has been evaluated upon UVB exposure and prolonged thermal treatment, and the progress of degradation has been monitored by spectroscopy analysis. All obtained results agree that the lamination process has a beneficial effect on 3D-structuration of both EVA and POE sheets, and after lamination, the POE shows enhanced rigidity and appropriate ductility. Finally, although both EVA and POE can be considered good candidates as encapsulants for bifacial PV modules, it seems that the POE sheets show a better resistance to oxidation than the EVA sheets.
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spelling pubmed-89148252022-03-12 Durability and Performance of Encapsulant Films for Bifacial Heterojunction Photovoltaic Modules Baiamonte, Marilena Colletti, Claudio Ragonesi, Antonino Gerardi, Cosimo Dintcheva, Nadka Tz. Polymers (Basel) Article Energy recovery from renewable sources is a very attractive, and sometimes, challenging issue. To recover solar energy, the production of photovoltaic (PV) modules becomes a prosperous industrial certainty. An important material in PV modules production and correct functioning is the encapsulant material and it must have a good performance and durability. In this work, accurate characterizations of performance and durability, in terms of photo- and thermo-oxidation resistance, of encapsulants based on PolyEthylene Vinyl Acetate (EVA) and PolyOlefin Elastomer (POE), containing appropriate additives, before (pre-) and after (post-) lamination process have been carried out. To simulate industrial lamination processing conditions, both EVApre-lam and POEpre-lam sheets have been subjected to prolonged thermal treatment upon high pressure. To carry out an accurate characterization, differential scanning calorimetry, rheological and mechanical analysis, FTIR and UV-visible spectroscopy analyses have been performed on pre- and post-laminated EVA and POE. The durability, in terms of photo- and thermo-oxidation resistance, of pre-laminated and post-laminated EVA and POE sheets has been evaluated upon UVB exposure and prolonged thermal treatment, and the progress of degradation has been monitored by spectroscopy analysis. All obtained results agree that the lamination process has a beneficial effect on 3D-structuration of both EVA and POE sheets, and after lamination, the POE shows enhanced rigidity and appropriate ductility. Finally, although both EVA and POE can be considered good candidates as encapsulants for bifacial PV modules, it seems that the POE sheets show a better resistance to oxidation than the EVA sheets. MDPI 2022-03-06 /pmc/articles/PMC8914825/ /pubmed/35267875 http://dx.doi.org/10.3390/polym14051052 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Baiamonte, Marilena
Colletti, Claudio
Ragonesi, Antonino
Gerardi, Cosimo
Dintcheva, Nadka Tz.
Durability and Performance of Encapsulant Films for Bifacial Heterojunction Photovoltaic Modules
title Durability and Performance of Encapsulant Films for Bifacial Heterojunction Photovoltaic Modules
title_full Durability and Performance of Encapsulant Films for Bifacial Heterojunction Photovoltaic Modules
title_fullStr Durability and Performance of Encapsulant Films for Bifacial Heterojunction Photovoltaic Modules
title_full_unstemmed Durability and Performance of Encapsulant Films for Bifacial Heterojunction Photovoltaic Modules
title_short Durability and Performance of Encapsulant Films for Bifacial Heterojunction Photovoltaic Modules
title_sort durability and performance of encapsulant films for bifacial heterojunction photovoltaic modules
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8914825/
https://www.ncbi.nlm.nih.gov/pubmed/35267875
http://dx.doi.org/10.3390/polym14051052
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