Solar cell module and method of manufacturing the same
In the solar cell module 100 , the resin adhesive 12 includes a plurality of removed portions 12 a on the principal surface of the photoelectric conversion part 20 by removing the resin adhesive 12 in a vertical direction. The plurality of removed portions 12 a are formed in the row in cross directions K.
1. A solar cell module comprising:
first and second solar cells aligned in an arrangement direction; and
a wiring member configured to electrically connect the first and the second solar cells to each other, wherein
the first solar cell includes a photoelectric conversion part and a connection electrode formed on a first principal surface of the photoelectric conversion part,
the connection electrode directly and periodically contacting the wiring member via tops of convex shapes with a set periodicity at the surface of the connection electrode; wherein
the periodic contact surfaces are arranged in parallel rows that cross the arrangement direction at a bias angle,
and the wiring member is further mechanically bonded to the connection electrode surface by resin adhesive surrounding the contact surfaces.
2. The solar cell module of claim 1 , wherein the contact surfaces are circular and have diameters of between 3 microns to 20 microns.
3. The solar cell module according to claim 1 , wherein the connection electrode is formed along the arrangement direction on the first principal surface.
4. The solar cell module according to claim 2 , wherein, the wiring member has a conductive layer surface, and each concave shape forms a dent in the conductive layer.
5. The solar cell module according to claim 1 , wherein the bias angle is approximately 30 degrees.
6. The solar cell module according to claim 1 , wherein the bias angle is substantially orthogonal to the arrangement direction.
7. The solar cell module according to claim 1 , wherein the set periodicity is approximately 100 microns.
8. The solar cell module according to claim 1 , wherein the connection electrode surface is completely filled by concave shapes aligned in regular rows in two dimensions.