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Plus-Energy façades with smart materials for future building envelopes

 Plus-Energy façades with smart materials for future building envelopes
Auteur(s): , ,
Présenté pendant IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017, publié dans , pp. 1383-1390
DOI: 10.2749/vancouver.2017.1383
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Façade constructions and their opaque areas show great potential for generating energy by using photovoltaics (PV). The performance of PV modules decreases with increasing cell temperature. To reac...
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Détails bibliographiques

Auteur(s): (Technische Universität Dresden, Institute of Building Construction, Dresden, Germany)
(Technische Universität Dresden, Institute of Building Construction, Dresden, Germany)
(Technische Universität Dresden, Institute of Building Construction, Dresden, Germany)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017
Publié dans:
Page(s): 1383-1390 Nombre total de pages (du PDF): 8
Page(s): 1383-1390
Nombre total de pages (du PDF): 8
Année: 2017
DOI: 10.2749/vancouver.2017.1383
Abstrait:

Façade constructions and their opaque areas show great potential for generating energy by using photovoltaics (PV). The performance of PV modules decreases with increasing cell temperature. To reach lower module temperatures even in insulated façade constructions without rear ventilation, a composite construction using smart materials was examined. By mounting phase change materials (PCM) on the backside of the PV module, the PCM can absorb thermal energy from the PV module by melting from solid to liquid during the day. Rising module temperatures can thus be buffered. At night, the thermal energy in the PCM is released back into the ambient air.

For future applications, the article outlines an approach of integrating hybrid panels in façade constructions. These elements combine PV modules and thermal collectors in order to generate thermal and electrical energy with a high efficiency due to the low temperatures of the PV cells.