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mai 2017 - TrackoWatt

Augmenter le rendement de panneau solaire photovoltaïque

Voici un lien sur un article de l’EPFL qui nous explique que des chercheurs ont réussi à augmenter le rendement des cellules solaires en silicium cristallin en plaçant les contacts derrière la cellule. Du coup, ça augmente la surface utile et le rendement a dépassé 23% en laboratoire.

https://actu.epfl.ch/news/procede-simplifie-pour-creer-des-cellules-solaires/

 

Simple processing of back-contacted silicon heterojunction solar cells using selective-area crystalline growth“. Andrea Tomasi, Bertrand Paviet-Salomon, Quentin Jeangros, Jan Haschke, Gabriel Christmann, Loris Barraud, Antoine Descoeudres, Johannes Peter Seif, Sylvain Nicolay, Matthieu Despeisse, Stefaan De Wolf & Christophe Ballif

Nature Energy 2, Article number: 17062 (2017)

 Arrière de la cellule solaire (sur une plaquette de silicium plus grande), avec les contacts positifs et négatifs. Avant de la cellule sans aucun ombrage.

G: Arrière de la cellule solaire (sur une plaquette de silicium plus grande), avec les contacts positifs et négatifs. Dr: Avant de la cellule sans aucun ombrage.