The textile -based PV/T collector consists of PV cells bonded to a spacer fabric by an adhesive containing Phase Change Material. The fabric contains pipes for water transportation

About

The textile-based hybrid PV/T collector consists of a spacer fabric in which pipes are integrated. The front side of the spacer fabric faces thin film PV cells which are bonded to the spacer fabric by an adhesive containing Phase Change Material (PCM) as a thermal storage medium. The thin film PV cells convert the solar radiation into electricity. As soon as the temperature of the PV cell reaches a given trigger temperature, the excessive heat is absorbed by the PCM. In this way, the PV cell is cooled and can operate at its optimal temperature, staying at its highest possible efficiency and maximum electrical output. In order to recharge the PCM, cold water is pumped through the pipes. The hot water generated by the heat exchange with the heat stored in the PCM can be used instantly or stored in an intermediate storage tank.

Key Benefits

The textile-based hybrid PV/T collector is thin, flexible, and weatherproof. The collector fits any roof shape. The collector is roughly 75-80 % lighter than a comparable conventional PV/T collector. The price of the textile-based PV/T collectors are about 50% of the price of the commercialized PV/T collectors based on the same performance. The systems maintenance requirements and operational costs are lower, and its overall efficiency is higher, compared to common PV systems.

Applications

The collector fits any roof shape and can be used not only on roofs of residential and commercial buildings, but also in conjunction with swimming pool and greenhouse covers as well as temporary and permanent tent structures. Another application can be emergency shelters set up in disaster areas.

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