Patent ID: 7910823

Claim:
A solar cell comprising: a photoelectric conversion substrate that includes a first surface and a second surface; a first electrode arranged on the first surface; a second electrode arranged on the second surface; and a third electrode that extracts electric power from the second electrode, and arranged on the second surface with a periphery portion overlapping a portion of the second electrode in an in-plane direction of the photoelectric conversion substrate, wherein a thickness of the portion of the second electrode that is overlapped by the periphery portion of the third electrode is larger than a thickness of the periphery portion of the third electrode, and a difference between the thickness of the second electrode and the thickness of the periphery portion of the third electrode is not less than 10 micrometers and not more than 30 micrometers, for preventing a separation of the second electrode and the third electrode from the photoelectric conversion substrate; and wherein the thickness of the portion of the second electrode that is overlapped by the periphery portion of the third electrode is increased relative to a portion of the second electrode that is not overlapped by the periphery portion of the third electrode.