| 摘要 |
Disclosed is a solar cell module wherein leakage of light from a front plate can be suppressed and optical confinement properties can be improved. Specifically disclosed is a solar cell module (1) which is provided with a plurality of bifacial solar cell elements (2), a front plate (4) arranged on the front side of the solar cell elements (2), and a back plate (5) which is arranged on the back side of the solar cell elements (2) and has a light-reflecting surface (5a) which reflects the sunlight that has entered into the module from the module front side. When the refractive index of the front plate (4) is represented by n, the inclination angle F (radian unit) of the light-reflecting surface (5a) relative to the alignment direction of the solar cell elements (2) is set as follows between the centerline A of an interval between cells and a cell end line C. In a region X between the centerline A of an interval between cells and a line D in the vicinity of a cell, the inclination angle F satisfies the following formula: F > 0.5 × sin-1(1/n). In a region Y in the vicinity of a cell end line C, the inclination angle F satisfies the following formula: F -1(1/n). |
