Method of manufacturing a photovoltaic foil

Details Method of manufacturing a photovoltaic foil Method of manufacturing a photovoltaic foil

H - Electricity

01

L

H01L 31/0392 (2006.01) H01L 31/0224 (2006.01) H01L 31/0236 (2006.01) H01L 31/18 (2006.01)

Patent

CA 2267076

The invention pertains to a method of manufacturing a photovoltaic foil supported by a carrier (14) and comprising a plurality of photovoltaic layers (6) which together have the ability of generating electric current from incident light, a back-electrode layer (10) on one side adjacent and parallel to the photovoltaic layers, and a transparent conductor layer (2) on the other side of, and adjacent and parallel to the photovoltaic layers, which method comprises the following subsequent steps: providing a temporary substrate, applying the transparent conductor layer (2), applying the photovoltaic layers (6), applying the back- electrode layer (10), applying the carrier (14), removing the temporary substrate, and, preferably, applying a top coat (15) on the side of the transparent conductor layer. The invention enables the roll-to-roll manufacture of a tough photovoltaic foil or device, while at the same time making it possible to use any desired transparent conductor material and deposition process, without jeopardizing the current- generating action of the PV layers.

La présente invention concerne un procédé de fabrication d'une feuille photovoltaïque supportée par un support (14) et constituée d'une pluralité de couches photovoltaïques (6) qui ensemble ont la possibilité de générer du courant électrique à partir d'une lumière incidente, d'une couche électrode arrière adjacente (10) à l'un des côtés et parallèle aux couches photovoltaïques, d'une couche conductrice (2) transparente adjacente à l'autre côté et parallèle aux couches photovoltaïques. Ledit procédé comporte les étapes suivantes: réalisation d'un substrat temporaire, application de la couche conductrice transparente (2), application des couches photovoltaïques (6), application de la couche électrode arrière (10), application du support (14), retrait du substrat temporaire et application d'un revêtement (15) extérieur sur le côté de la couche transparente conductrice. L'invention permet la fabrication rouleau à rouleau d'une feuille ou d'un dispositif photovoltaïque résistant tout en rendant possible l'utilisation de tout matériau conducteur transparent ou de n'importe quelle technique de dépôt sans porter atteinte à l'effet de génération de courant des couches photovoltaïques.

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