Patent ID: 6472593
Filing Date: 2002-10-29
Classification: H01L,H02S,Y02B,Y02E,Y10S

Abstract:
A hybrid roof covering element, suitable for simultaneously heating a medium and generating electricity, which comprises a single or multiple transparent layer, a flexible thin film solar cell sheet with a heat capacity of less than 3.5 kJ/m2K and a thermally insulating material, and a medium to be heated, wherein the flexible thin film solar cell sheet comprises a carrier, a back electrode, a photovoltaic layer, and a transparent conductive front electrode, and wherein the hybrid roof covering element has a response speed of more than 5.7Â·10âˆ’4 K/J if the medium to be heated is air and a response speed of more than 1Â·10âˆ’4 K/J if the medium to be heated is water.