To provide a method, in a structure composed of a solar cell arranged on the surface of a corrugated galvanized plate or corrugated slate (hereinafter simply referred to as galvanized plate), which prevents rainwater infiltrating through a nail hole, so that detachment of the thin film of the solar cell fixed to the galvanized plate and corrosion of the galvanized plate at a spot fastened with a nail are prevented.
A corrugated galvanized plate 2 is fixed and fastened to a rafter 3 of a roofing of a house from the rear face, without damage to the surface of the corrugated galvanized plate. A concentrating solar cell 1 composed of a spherical Si solar cell surface, a strengthened glass plate, and a reflector is installed on the surface of the corrugated galvanized plate, such that the lower part of the solar cell is closely attached to the crest part of the corrugated galvanized plate so as to prevent overheating of the solar cell by radiating heat also from the galvanized plate.
IMANI KAZUTAKE
SEIKE KAZUNORI
