Sharp Kabushiki Kaisha Corporation

Takashi Ouchida

Hitoshi Sannomiya

Yasushi Fujioka

Katsushi Kishimoto

Hajime Saitoh

A thin-film solar cell including a transparent electrode layer, a semiconductor photovoltaic conversion layer, a rear transparent electrode layer and a rear reflective metal layer, said layers being formed in this order on a transparent substrate, wherein the rear transparent electrode has a two-layer structure of an ITO or ZnO:Ga layer and a ZnO:Al layer formed in this order on the semiconductor photovoltaic conversion layer.

Thin-film solar cell and manufacture method therefor

A thin-film solar cell module of a light transmission type includes a light-transmissive substrate; a front electrode layer; a rear electrode layer, and a photovoltaic conversion layer. The rear electrode layer, front electrode layer, and photovoltaic conversion layer are sequentially laminated on the light-transmissive substrate. A heat retention member covers the rear electrode layer, and a sealing layer is provided for sealing the rear electrode layer. In certain embodiments, the heat retention member has a light absorptance of 40% or more within a near-infrared wavelength range of 1,500 to 2,000 nm.

Thin-film solar cell module

In a solar battery module of the present invention, a transparent material is provided on the side opposite the light incident side of a solar cell portion formed on a transparent substrate. The solar battery module further includes a printed matter having a prescribed pattern between the solar cell portion and the transparent material. Thus, by integrating a printed matter having for example an illustration, picture, or character in the solar module, the printed matter can be visually recognized from the back or front side, whereby an appearance of the module can be improved.

Growing community of inventors

Gose, Japan

Takashi Ouchida