SOLAR CELL MODULE AND METHOD FOR MANUFACTURING THE SAME
A solar cell module includes a plurality of solar cells including a photoelectric conversion unit, and an electrode which is formed on the surface of the photoelectric conversion unit; a wiring member that electrically connects the plurality of solar cells; and a resin adhesive that adheres the solar cells and the wiring member. Non-contiguous regions of the resin adhesive are present between the wiring member and the solar cells.
1 . A solar cell module comprising:
a plurality of solar cells that includes a photoelectric conversion unit and an electrode formed on a surface of the photoelectric conversion unit;
a wiring material that electrically connects the plurality of solar cells; and
a resin adhesive that adheres the solar cell and the wiring material, wherein
a non-contiguous adhesive resin region is present in an area between the wiring material and the solar cell.
2 . The solar cell module according to claim 1 , wherein the non-contiguous region is present in a direction opposing to the wiring material and the solar cell.
3 . The solar cell module according to claim 1 , wherein the non-contiguous regions is present adjacent to the electrode.
4 . The solar cell module according to claim 1 , wherein a volume percent of the non-contiguous region that occupies an area between the wiring material and the solar cell is no less than 20% and no more than 80%.
5 . A method for manufacturing a solar cell module comprising a plurality of solar cells that include a photoelectric conversion unit and an electrode formed on a surface of the photoelectric conversion unit,
a wiring material that electrically connects the plurality of solar cells, and
a resin adhesive that adheres the wiring material and the electrode of the solar cell,
the method comprising:
electrically connecting the electrode and the wiring material by pressing the solar cell and the wiring material together while a resin adhesive material having a thinner thickness than a height of the electrode is disposed in between the solar cell and the wiring material; and
curing the resin adhesive material thereby adhere the solar cell and the wiring material.
6 . The method for manufacturing the solar cell module according to claim 5 comprising:
adhering the solar cell and the wiring material in a manner that the non-contiguous region is present between the wiring material and the solar cell.
7 . A method for manufacturing a solar cell module including a plurality of solar cells that includes a photoelectric conversion unit and an electrode formed on a surface of the photoelectric conversion unit,
a wiring material that electrically connects the plurality of solar cells, and
a resin adhesive that adheres the wiring material and the electrode of the solar cell,
the method comprising:
applying an adhesive material on a top portion of the electrode;
pressing the solar cell and the wiring material together in a state that the wiring material is disposed on the electrode whose top portion is coated with the resin adhesive material; and
curing the resin adhesive material thereby electrically connect the electrode and the wiring material, as well as adhere the solar cell and the wiring material.
8 . The method for manufacturing the solar cell module according to claim 7 comprising:
adhering the solar cell and the wiring material in a manner that a non-contiguous region is present between the wiring material and the solar cell.
9 . The solar cell module according to claim 2 , wherein the non-contiguous regions is present adjacent to the electrode.
10 . The solar cell module according to claim 2 , wherein a volume percent of the non-contiguous region that occupies an area between the wiring material and the solar cell is no less than 20% and no more than 80%.
11 . The solar cell module according to claim 3 , wherein a volume percent of the non-contiguous region that occupies an area between the wiring material and the solar cell is no less than 20% and no more than 80%.
12 . The solar cell module according to claim 1 , wherein the adhesive resin includes an epoxy resin, an acrylic resin, a polyimide resin, a phenol resin, an urethane resin, a silicone resin, and a mixture of at least two of these resins and a copolymer.
13 . The solar cell module according to claim 1 , wherein the adhesive resin includes insulating particles.
14 . The solar cell module according to claim 1 , wherein the adhesive resin includes conductive particles.
15 . The solar cell module according to claim 5 , wherein the adhesive resin material includes a resin sheet.
16 . The solar cell module according to claim 5 , wherein the adhesive resin material includes energy-ray-curable resins.
17 . The solar cell module according to claim 16 , wherein the adhesive resin material includes a thermosetting resin.
18 . The solar cell module according to claim 16 , wherein the adhesive resin material includes a photo-curable resin.
19 . The solar cell module according to claim 16 , wherein the adhesive resin material includes a thermoplastic resin.