SOLAR CELL CONNECTOR ELECTRODE, SOLAR CELL MODULE AND METHOD FOR ELECTRICALLY CONNECTING A PLURALITY OF SOLAR CELLS

• US 20120279546A1
• Filed: 03/02/2012
• Published: 11/08/2012
• Est. Priority Date: 03/03/2011
• Status: Abandoned Application

• Current Assignee: Solarworld Innovations GmbH (Solarworld AG)
• Original Assignee: Solarworld Innovations GmbH (Solarworld AG)
• Inventors: Kutzer, Martin, Storbeck, Olaf, Hahn, Harald, Neuhaus, Holger, Georgi, Matthias
• Application Number:
  US13/410,460
• Publication Number:
  US 20120279546A1
• Time in Patent Office: Days
• US Class Current: 136/244
• CPC Class Codes: H01L 31/022441 Electrode arrangements specially adapted for back-contact solar cells
• CPC Class Codes: H01L 31/0516 specially adapted for interconnection of back-contact solar cells
• CPC Class Codes: H01L 31/188 Apparatus specially adapted for automatic interconnection of solar cells in a module
• CPC Class Codes: Y02E 10/50 Photovoltaic [PV] energy
• CPC Class Codes: Y10T 29/49117 Conductor or circuit manufacturing

Abstract

In various embodiments, a solar cell connector electrode may include a multiplicity of electrically conductive solar cell connector elements arranged alongside one another; and a plurality of electrically non-conductive and isolated from one another, planar elements on which the electrically conductive solar cell connector elements are arranged. Solar cell connector element isolating locations are provided in regions on the planar elements, such that, by means of a respective solar cell connector element isolating location, a respectively electrically conductive solar cell connector element is divided into a plurality of, preferably two, solar cell connector partial elements electrically isolated from one another.

Claims

1. A solar cell connector electrode, comprising:

a multiplicity of electrically conductive solar cell connector elements arranged alongside one another; and

a plurality of electrically non-conductive and isolated from one another, planar elements on which the electrically conductive solar cell connector elements are arranged;

wherein solar cell connector element isolating locations are provided in regions on the planar elements, such that, by means of a respective solar cell connector element isolating location, a respectively electrically conductive solar cell connector element is divided into a plurality of, preferably two, solar cell connector partial elements electrically isolated from one another.

2. The solar cell connector electrode as claimed in claim 1,

wherein the solar cell connector elements are embodied as at least one of solar cell connector wires and/or as solar cell connector tapes.

3. The solar cell connector electrode as claimed in claim 1,

wherein the solar cell connector elements are arranged substantially parallel to one another.

4. The solar cell connector electrode as claimed in claim 1,

wherein the planar elements are arranged substantially in strip-shaped fashion and transversely with respect to the solar cell connector elements.

5. The solar cell connector electrode as claimed in claim 1,

wherein the electrically conductive solar cell connector elements are adhesively connected to the planar elements.

6. The solar cell connector electrode as claimed in claim 1, further comprising:

additional planar elements applied on the planar elements in such a way that the solar cell connector elements are arranged between the planar elements and the additional planar elements.

7. The solar cell connector electrode as claimed in claim 1,

wherein the solar cell connector element isolating locations are provided on a respective solar cell connector element in such a way that the solar cell connector elements directly adjacent to a solar cell connector element provided with a solar cell connector element isolating location are free of solar cell connector element isolating locations.

8. The solar cell connector electrode as claimed in claim 1,

wherein an electrically conductive cross-connector structure is provided on at least one planar element, and electrically connects at least two of the solar cell connector elements to one another.

9. The solar cell connector electrode as claimed in claim 1,

wherein at least one planar element is dimensioned in such a way that a plurality of solar cells can be interconnected with one another in at least one of a parallel circuit and in a series circuit by means of the multiplicity of electrically conductive solar cell connector elements.

10. The solar cell connector electrode as claimed in claim 8,

wherein at least one additional solar cell connector element isolating location is provided in a region on the at least one planar element, such that the electrically conductive cross-connector structure is divided into two cross-connector partial elements electrically isolated from one another.

11. The solar cell connector electrode as claimed in claim 10,

wherein at least one additional solar cell connector element isolating location is provided in a region on the at least one planar element, such that the electrically conductive cross-connector structure is divided into two cross-connector partial elements electrically isolated from one another between two solar cells to be interconnected.

12. A solar cell module, comprising:

a plurality of solar cells; and

at least one solar cell connector electrode, the solar cell connector electrode comprising;

a multiplicity of electrically conductive solar cell connector elements arranged alongside one another; and

a plurality of electrically non-conductive and isolated from one another, planar elements on which the electrically conductive solar cell connector elements are arranged;

wherein solar cell connector element isolating locations are provided in regions on the planar elements, such that, by means of a respective solar cell connector element isolating location, a respectively electrically conductive solar cell connector element is divided into a plurality of, preferably two, solar cell connector partial elements electrically isolated from one another;

wherein a plurality of solar cells are connected in a series by means of the solar cell connector electrode.

13. The solar cell module as claimed in claim 12,

wherein the solar cell connector electrode has a matrix-type assemblage and solar cells are connected in a plurality of series by means of a plurality of solar cell connector electrodes, wherein at least one planar element of each solar cell connector electrode is dimensioned in such a way that a plurality of solar cells can be interconnected with one another in at least one of a parallel circuit and in a series circuit by means of the multiplicity of electrically conductive solar cell connector elements.

14. The solar cell module as claimed in claim 12,

wherein the plurality of solar cells have rear side contact cells and the solar cells are connected by means of the at least one solar cell connector electrode exclusively on the sides facing away from light.

15. A method for electrically connecting a plurality of solar cells, the method comprising:

placing a solar cell connector electrode onto a surface of the solar cells, the solar cell connector electrode comprising;

a multiplicity of electrically conductive solar cell connector elements arranged alongside one another; and

a plurality of electrically non-conductive and isolated from one another, planar elements on which the electrically conductive solar cell connector elements are arranged;

wherein solar cell connector element isolating locations are provided in regions on the planar elements, such that, by means of a respective solar cell connector element isolating location, a respectively electrically conductive solar cell connector element is divided into a plurality of, preferably two, solar cell connector partial elements electrically isolated from one another;

electrically connecting the solar cell connector elements to the solar cells.

16. The method as claimed in claim 15,

wherein the solar cell connector elements are soldered to the solar cells.

17. The method as claimed in claim 15,

wherein the solar cells have rear side contact cells and the solar cell connector electrode is arranged and contact-connected exclusively on the rear side of the solar cells facing away from light.

18. The method as claimed in claim 15,

wherein all the solar cells of a solar cell module are electrically connected to a solar cell connector electrode shaped in matrix-type fashion.