THIN-FILM PHOTOVOLTAIC MODULE WITH SILVER SULFIDE COATING AND PREPARATION METHOD THEREOF

THIN-FILM PHOTOVOLTAIC MODULE WITH SILVER SULFIDE COATING AND PREPARATION METHOD THEREOF

The present invention relates to a thin-film photovoltaic module with a silver sulfide coating, including a glass substrate. A back-contact layer, an absorber layer and a front electrode layer are sequentially stacked on the glass substrate. The top surface of the front electrode layer is coated wit...

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Hauptverfasser: KALIO, Rene, KOERBL, Michael
Format: Patent
Sprache:eng ; fre ; ger
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BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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creator KALIO, Rene
KOERBL, Michael
description The present invention relates to a thin-film photovoltaic module with a silver sulfide coating, including a glass substrate. A back-contact layer, an absorber layer and a front electrode layer are sequentially stacked on the glass substrate. The top surface of the front electrode layer is coated with a metal grid matching the front electrode layer, the metal grid is made of silver-containing paste, and the surface of the metal grid is covered by a black silver sulfide coating. According to the present invention, by forming the black silver sulfide coating on the surface of the metal grid, the optical reflection of the metal grid is reduced, so that the reflectivity of the metal grid is decreased, and as a result, the brightness of photovoltaic circuits and modules with the metal grid is decreased, improving the appearance.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title THIN-FILM PHOTOVOLTAIC MODULE WITH SILVER SULFIDE COATING AND PREPARATION METHOD THEREOF
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