Kyocera Corporation

Daisuke Ota

Tsuyoshi Kimura

Yoshio Miura

Shinichi Suzuki

Satoshi Kitayama

Shinya Ishikawa

Motoki Shibahara

Takashi Koide

An insulation paste for forming a protective layer of a solar cell device includes: a siloxane resin; an organic solvent; and multiple fillers each having a surface covered with an organic coating containing at least one material different from a material of the siloxane resin. A method for producing the insulation paste includes: preparing the multiple fillers; and mixing together a precursor of the siloxane resin, water, a catalyst, an organic solvent, and the multiple fillers. A method for manufacturing a solar cell device includes: applying the insulation paste to the passivation layer; and drying the insulation paste to form the protective layer on the passivation layer. A solar cell device includes: the passivation layer located on a semiconductor region; and the protective layer located on the passivation layer and including a siloxane resin and dimethylpolysiloxane.

Insulation paste, method for producing insulation paste, method for manufacturing solar cell device, and solar cell device

A solar cell element is disclosed. The solar cell element comprises a semiconductor substrate and electrodes. The semiconductor substrate with a first and second main surface comprises a body and a first layer. The electrodes comprise first electrodes on the first layer and second electrodes on the second main surface. At least one of the first electrodes and the second electrodes comprises silver, copper and nickel as a main component. A method for manufacturing a solar cell element is disclosed. An electrically conductive paste containing silver, copper and nickel is prepared. The electrically conductive paste is applied on the semiconductor substrate. The electrically conductive paste is fired to form the solar cell element.

Solar cell element and process for production thereof

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Otsu, Japan

Daisuke Ota