Regulating the temperature of building integrated photovoltaics (BIPV) using phase change materials (PCMs) reduces the loss of temperature dependent photovoltaic (PV) efficiency. Five PCMs were selected for evaluation all with melting temperatures ~25±4°C and heat of fusion between 140 and 213kJ/kg. Experiments were conducted at three insolation intensities to evaluate the performance of each PCM in four different PV/PCM systems. The effect on thermal regulation of PV was determined by changing the (i) mass of PCM and (ii) thermal conductivities of the PCM and PV/PCM system. A maximum temperature reduction of 18°C was achieved for 30min while 10°C temperature reduction was maintained for 5h at -1000W/m2 insolation.
- Building integrated photovoltaics (BIPV)
- Phase change materials (PCM)
- Thermal regulation enhancement
ASJC Scopus subject areas
- Renewable Energy, Sustainability and the Environment
- Materials Science(all)