| CPC H01L 31/0201 (2013.01) [H01L 31/022433 (2013.01); H01L 31/035281 (2013.01); H01L 31/0504 (2013.01); H01L 31/0508 (2013.01)] | 14 Claims |
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1. A solar cell panel having a first edge and a second edge opposite the first edge, the solar cell panel comprising:
a plurality of solar cells comprising a first solar cell, a second solar cell, and one or more intermediate solar cells disposed between the first solar cell and the second solar cell, wherein each of the plurality of solar cells includes:
a first lateral side facing the first edge of the solar cell panel and extending in a first direction;
a second lateral side facing the second edge of the solar cell panel and extending in the first direction, wherein the first lateral side and the second lateral side are spaced apart from each other in a second direction that is perpendicular to the first direction; and
an upper surface and a lower surface extending between the first and second lateral sides, the upper and the lower surfaces spaced apart from each other in a third direction perpendicular to the first and second directions;
wherein the first solar cell has a first chamfer at the first lateral side of the first solar cell and the first solar cell has an upper electrode on the upper surface thereof adjacent the second lateral side of the first solar cell, the upper electrode of the first solar cell spaced from the second lateral side of the first solar cell by a first spacing distance,
wherein the second solar cell has a second chamfer at the second lateral side of the second solar cell and the second solar cell has a lower electrode on the lower surface thereof adjacent the first lateral side of the second solar cell, wherein the second solar cell has an upper electrode on the upper surface thereof adjacent to the second lateral side of the second solar cell, the upper electrode of the second solar cell spaced from the second lateral side of the second solar cell by a second spacing distance, wherein the second spacing distance is greater than the first spacing distance,
wherein each intermediate solar cell has a rectangular shape that includes the first and second lateral sides of the intermediate solar cell, each intermediate solar cell has an upper electrode on the upper surface thereof adjacent the second lateral side of the intermediate solar cell, the upper electrode of each intermediate solar cell spaced from the second lateral side of the intermediate solar cell by a third spacing distance, and each intermediate solar cell has a lower electrode on the lower surface thereof adjacent the first lateral side of the intermediate solar cell,
wherein the first solar cell has a first width in the second direction which is a maximum width of the first solar cell, the second solar cell has a second width in the second direction which is a maximum width of the second solar cell, and each intermediate solar cell has a third width in the second direction which is a maximum width of each intermediate solar cell, wherein the third width is less than each of the first width and the second width, and wherein the first width is less than the second width,
wherein a portion of the first solar cell that includes the upper electrode and the second lateral side thereof is overlapped in the third direction by a portion of a first adjacent one of the intermediate solar cells that includes the lower electrode and the first lateral side thereof, such that the first solar cell has a first overlapped portion,
wherein a portion of the second solar cell that includes the lower electrode and the first lateral side thereof overlaps in the third direction with a portion of a second adjacent one of the intermediate solar cells that includes the upper electrode and the second lateral side thereof, such that the second solar cell has a second overlapped portion and the second adjacent one of the intermediate solar cells has a third overlapped portion,
wherein the solar cell panel further comprises a first connecting member connecting the upper electrode of the first solar cell to the lower electrode of the first adjacent one of the intermediate solar cells and a second connecting member connecting the upper electrode of the second adjacent one of the intermediate solar cells to the lower electrode of the second solar cell,
wherein each of a width of the first overlapped portion of the first solar cell in the second direction, a width of the third overlapped portion of the second adjacent one of the intermediate solar cells, the first spacing distance, the second spacing distance, the third spacing distance, the first width of the first solar cell, the second width of the second solar cell, and the third width of the one or more intermediate solar cells are all configured so that when the first solar cell, the second solar cell, and the one or more intermediate solar cells are connected to one another via the first and second connecting members, a photoelectric conversion area of each of the plurality of the solar cells is the same and a current flow of each of the plurality of the solar cells is the same, and wherein the upper electrode of the first solar cell is a first bus bar electrode that is located at the second lateral side of the first solar cell, the second lateral side of the first solar cell being a cut surface, and wherein the second solar cell includes a second bus bar electrode that is located at the second lateral side of the second solar cell and on the upper surface thereof, the second lateral side of the second solar cell being a non-cut surface.
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