Abstract: Discussed is a solar cell module including a plurality of solar cells including a first electrode and a second electrode, the plurality of solar cells being disposed along a first direction and a plurality of wiring members connected to the first electrode of a first solar cell and the second electrode of a second solar cell, wherein each of the plurality of solar cells includes a first side surface of one side in the first direction, a second side surface having a larger surface roughness than the first side surface on another side, and a protrusion formed adjacent to the second side surface, and wherein the first and second solar cells are disposed with a gap of approximately 0.5 mm to 1.5 mm, and the first side surface of the second solar cell and the second side surface of the first solar cell are disposed to face each other.

Abstract: According to a solar cell panel according to the present embodiment, a connection structure of a wiring unit for connecting a plurality of solar cells comprising first and second solar electrically connected to each other is improved. More particularly, the wiring unit comprises a first extension wiring and a second extension wiring, which correspond to each of the plurality of solar cells, the first extension wiring having a first outer portion extending outwards beyond a first side of a solar cell and a second extension wiring having a second outer portion extending outwards beyond a second side of the solar cell, the second side being opposite to the first side of the solar cell. A second extension wiring of the first solar cell and a first extension wiring of the second solar cell overlap each other to have a connection portion where they are connected to each other, and the connection portion includes an overlapping portion formed by the connection portion overlapping a portion of the first solar cell.

Abstract: 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.

Abstract: A solar cell according to an embodiment of the present disclosure is positioned so that a second solar cell adjacent to a first solar cell in a first direction have an adjacent portion in contact with or overlapping with the first solar cell in the first direction on a front surface of the first solar cell. In this case, a plurality of wiring members connecting the first and second solar cells are formed to be extended to the front surface of the first solar cell, the adjacent portion, and the rear surface of the second solar cell.

Abstract: A solar cell module includes first and second solar cells each including a plurality of first and second electrodes formed on a back surface of a semiconductor substrate, a first conductive line connected to the first electrodes, and a second conductive line connected to the second electrodes, and an interconnector connecting the first conductive line of the first solar cell to the second conductive line of the second solar cell. At least one of an area of an overlap portion, an area of a connection portion, a connection position, and a connection shape between the interconnector and the first conductive line of the first solar cell is different from at least one of an area of an overlap portion, an area of a connection portion, a connection position, and a connection shape between the interconnector and the second conductive line of the second solar cell.

Abstract: A solar cell panel that includes: a plurality of solar cells that include a first solar cell and a second solar cell, the plurality of solar cells having respective lengths in a first direction and respective widths in a second direction; and one or more connecting members that electrically connect two adjacent solar cells of the plurality of solar cells, wherein the first solar cell includes a first inclined portion at a first side of the first solar cell, wherein the second solar cell includes a second inclined portion at a first side of the second solar cell, and wherein a first width of the first solar cell in the second direction is different from a second width of the second solar cell in the second direction is disclosed.