Solar cell string and solar cell module

Abstract

There are provided a solar cell string including a plurality of connected solar cells, each solar cell including a multilayered body having a photoelectric conversion layer, a first electrode formed on the multilayered body, a second electrode formed on the multilayered body, a first interconnector connected to the first electrode, and a second interconnector connected to the second electrode, wherein, in the solar cells adjacent to each other, the first interconnector connected to the first electrode of a first solar cell and the second interconnector connected to the second electrode of a second solar cell are connected via an intermediate member; and a solar cell module including the solar cell string.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic cross sectional view of one example of a solar cell constituting a solar cell string of the present invention.

FIG. 2 is a schematic cross sectional view illustrating a portion of a process of producing the solar cell shown in FIG. 1.

FIG. 3 is a schematic cross sectional view illustrating a portion of the process of producing the solar cell shown in FIG. 1.

FIG. 4 is a schematic cross sectional view illustrating a portion of the process of producing the solar cell shown in FIG. 1.

FIG. 5 is a schematic cross sectional view illustrating a portion of the process of producing the solar cell shown in FIG. 1.

FIG. 6 is a schematic cross sectional view illustrating a portion of the process of producing the solar cell shown in FIG. 1.

FIG. 7 is a schematic cross sectional view illustrating a portion of the process of producing the solar cell shown in FIG. 1.

FIG. 8 is a schematic top view of the solar cell shown in FIG. 1.

FIG. 9 is a schematic top view of one example of the solar cell string of the present invention.

FIG. 10 is a schematic top view of another example of the solar cell string of the present invention.

FIG. 11 is a schematic top view of another example of the solar cell string of the present invention.

FIG. 12 is a schematic top view of another example of the solar cell string of the present invention.

FIG. 13 is a schematic cross sectional view of a conventional compound semiconductor solar cell.

Claims

1. A solar cell string comprising a plurality of connected solar cells, each solar cell including a multilayered body having a photoelectric conversion layer, a first electrode formed on said multilayered body, a second electrode formed on said multilayered body, a first interconnector connected to said first electrode, and a second interconnector connected to said second electrode, wherein, in said solar cells adjacent to each other, said first interconnector connected to said first electrode of a first solar cell and said second interconnector connected to said second electrode of a second solar cell are connected via an intermediate member.

2. The solar cell string according to claim 1, wherein said intermediate member has a stress release function.

3. The solar cell string according to claim 1, wherein said first interconnector and said second interconnector are disposed at displaced positions not facing each other.

4. The solar cell string according to claim 1, wherein said first solar cell includes a plurality of junctions between said first electrode and said first interconnector, and said second solar cell includes a plurality of junctions between said second electrode and said second interconnector.

5. A solar cell module comprising the solar cell string according to claim 1.