Solar cell panel
A solar cell panel is discussed, which includes a plurality of solar cells, each solar cell including a substrate having a first surface and a second surface opposite the first surface, and a plurality of first electrodes extending in a first direction; an interconnector that is positioned in a second direction crossing the plurality of first electrodes and electrically connects adjacent ones of the plurality of solar cells to one another; and a conductive adhesive film including a resin and a plurality of conductive particles dispersed in the resin, the conductive adhesive film being positioned between the plurality of first electrodes and the interconnector in the second direction crossing the plurality of first electrodes to electrically connect the plurality of first electrodes to the interconnector.
1. A solar cell panel, comprising:
a plurality of solar cells, each solar cell including a substrate, an emitter formed on a first surface of the substrate, an anti-reflection layer on the emitter, and a plurality of first electrodes extending in a first direction on the first surface of the substrate and connected to the emitter,
wherein the plurality of first electrodes include a first electrode part and a second electrode part adjacent to each other in a second direction, disposed at different rows in the second direction, and separated from each other in the second direction,
wherein a first width of a first portion of the first electrode part in the second direction is smaller than a second width of a first portion of the second electrode part in the second portion, and a third width of a second portion of the first electrode part in the second direction is the same as a fourth width of a second portion of the second electrode part in the second direction;
an interconnector that is positioned in the second direction crossing the plurality of first electrodes and electrically connects adjacent ones of the plurality of solar cells to one another, the interconnector being positioned at the first portions of the first and second electrode parts; and
a conductive adhesive film including a resin and a plurality of conductive particles dispersed in the resin, the conductive adhesive film being positioned between the plurality of first electrodes and the interconnector in the second direction and positioned at the first portions of the first and second electrode parts to electrically connect the plurality of first electrodes to the interconnector, wherein the conductive adhesive film is disposed on the anti-reflection layer at an area formed between the first electrode part and the second electrode part.
2. The solar cell panel of claim 1 , further comprising:
a second electrode,
wherein the first surface of the substrate is a light incident surface, a second surface of the substrate is a back surface opposite the light incident surface, and the second electrode is disposed at the back surface of the substrate.
3. The solar cell panel of claim 1 , wherein the first portion of the first electrode part and the first portion of the second electrode part are spaced apart by a first distance in the second direction, and the second portion of the first electrode part and the second portion of the second electrode part are spaced apart by a second distance in the second direction, the first distance being smaller than the second distance.
4. The solar cell panel of claim 1 , wherein the first and second portions of the first electrode part have substantially the same width.
5. The solar cell panel of claim 1 , wherein the first portion of the second electrode part has a predetermined length in a longitudinal direction of the plurality of first electrodes.
6. The solar cell panel of claim 5 , wherein the predetermined length of the first portion of the second electrode part is equal to or less than a width of the conductive adhesive film.
7. The solar cell panel of claim 1 , wherein the first portion of the second electrode part having the second width larger than the first width of the first portion of the first electrode part is formed in each of the second electrode part.
8. The solar cell panel of claim 1 , wherein the first portion of the second electrode part having the second width larger than the first width of the first portion of the first electrode part is formed in an up-down symmetric manner based on a longitudinal direction of the plurality of first electrodes.
9. The solar cell panel of claim 1 , wherein a first surface of the first portion of the second electrode part and a second surface of the first portion of the first electrode part facing each other are parallel to each other.
10. The solar cell panel of claim 1 , wherein a first surface of the second portion of the second electrode part and a second surface of the second portion of the first electrode part facing each other are parallel to each other.
11. The solar cell panel of claim 1 , wherein a first surface of the first portion of the second electrode part and a first surface of the second portion of the second electrode part are parallel to each other.
12. The solar cell panel of claim 1 , wherein a second surface of the first portion of the first electrode part and a second surface of the second portion of the first electrode part are parallel to each other.