Shangrao Jinko Solar Technology Development Co., Ltd

Shangrao Xinyuan Yuedong Technology Development Co. Ltd.

Bum Sung Kim

Jong Hwan Kim

Ju Hwan Yun

Hwa Nyeon Kim

Jin A Kim

Il Hyoung Jung

Ii Hyoung Jung

The present invention discloses a back contact solar cell. The back contact solar cell includes a semiconductor substrate having a front surface and a rear surface; a first conductive type semiconductor region having a first conductive type and a second conductive type semiconductor region having a second conductive type at an interval on the rear surface of the semiconductor substrate. Furthermore, the rear surface of the semiconductor substrate has a texturing structure at the interval between the first conductive type semiconductor region and the second conductive type semiconductor region.

Back contact solar cell and fabrication method thereof

The present invention discloses a back contact solar cell comprising: a first conductive type semiconductor substrate having a front surface and a rear surface of a texturing structure; an oxide layer formed on the front surface of the substrate; at least one first conductive type semiconductor region and second conductive type semiconductor region alternatively formed at predetermined intervals on the rear surface of the substrate; an oxide layer formed on the remaining rear surface of the substrate except for the first conductive type semiconductor region and the second conductive type semiconductor region; and electrodes formed on each of the first conductive type semiconductor region and the second conductive type semiconductor region.

Growing community of inventors

Seoul, South Korea

Bum Sung Kim