Polycrystalline Si solar cells manufactured by Kyocera Corp are used for the solar panel that comes as an option for the new Prius, which Toyota Motor Corp announced May 18, 2009, in Japan. The solar panel is composed of a total of 36 cells arranged in six rows and six columns. Each cell is half the size of the standard 15 x 15cm cell. With a cell conversion efficiency of 16.5%, the maximum output of the entire panel reaches fifty-odd watts. The portions where three bus bars are believed to exist were covered with a black component.
More at Tech-on