Abstract
A novel structured PVT (photovoltaic-thermal) module was proposed, manufactured, and adopted to form a solar assisted PVT heat pump system to realize high-efficiency co-generation in building sectors. The experiment apparatuses were set and tested to evaluate the thermal, electrical, hydraulic behavior of the proposed PVT module. Moreover, the temperature uniformity control ability of the novel structured PVT module was conducted in comparison with the single PV module. For instance, the operating temperature difference of the PVT module could be controlled within 0.7 °C while it is 0.9 °C of the single PV module. The average experimental electrical and thermal efficiencies are 17.93% and 109.4%, respectively, which show a significant improvement in comprehensive solar energy utilization efficiency compared with other conventional PVT technologies, and this technology would have a positive effect on the “Carbon neutral” strategy of Shanghai. The overall annual CO2 emission for electricity and domestic hot water supplement of the proposed solar assisted PVT heat pump system is 565.8 kgCO2, which is only 11.41% of the traditional supply technology (grid power + electrical water heater). Moreover, a 1 m2 PVT system could fix 3111.6 kgCO2 which is 53.2% higher than that of the PV system after 20 years.
Published Version
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