Solar cell

摘要

A solar cell and a method for manufacturing the same are discussed. The solar cell includes a substrate of a first conductive type, an emitter layer of a second conductive type opposite the first conductive type, a plurality of first electrodes each including a first electrode layer connected to the emitter layer and a second electrode layer positioned on the first electrode layer, at least one first current collector connected to the plurality of first electrodes, and a second electrode connected to the substrate. The emitter layer forms a p-n junction along with the substrate. The first electrode layer has a first width and the second electrode layer has a second width less than the first width of the first electrode layer.

主权项

1. A method for manufacturing an electrode of a solar cell, the method comprising:
printing a first front electrode part paste on a semiconductor substrate using a screen printing method to form a first front electrode part pattern; and printing a second front electrode part ink on the first front electrode part pattern using a roll printing method to form a second front electrode part pattern, wherein the forming of the first front electrode part pattern includes simultaneously forming a first electrode layer pattern in a first direction and a first current collector pattern, which has a greater height than a height of the first electrode layer pattern, in a second direction crossing the first direction, wherein the forming of the second front electrode part pattern includes printing the second front electrode part ink on the first electrode layer pattern to form a second electrode layer pattern on the first electrode layer pattern in the first direction, and wherein an added height of the first electrode layer pattern and the second front electrode part pattern is equal to or greater than the height of the first current collector pattern.