Importance

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Abstract

A solar cell includes a silicon substrate with a front-side and a rear-side; a dielectric layer structure on the rear-side of the silicon substrate, wherein the dielectric layer structure includes a plurality of through openings by means of which the rear-side of the silicon substrate is exposed; a printed Aluminum-containing metallization layer on the dielectric layer structure on the rear-side of the silicon substrate and at least partially in the through openings for electrically contacting the rear-side of the silicon substrate; wherein the Aluminum-containing metallization includes a lower layer thickness in a first area than in a second area, or the first area is free from the Aluminum-containing metallization; wherein at least one through opening of the plurality of through openings is at least partially disposed in the first area or borders on the first area or has a distance from the first area of less than 500 μm.

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First Claim