Photovoltaic device and manufacturing method

H - Electricity – 01 – L

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Details

H01L 31/042 (2006.01) G05F 1/67 (2006.01) H02M 3/04 (2006.01) H02M 7/44 (2006.01)

Patent

CA 2762046

The invention relates to a photovoltaic device comprising at least one photovoltaic cell (60) provided with active thin layers (15) deposited on a substrate (10), said active layers being unsegmented, and at least one static converter (50) associated with each photovoltaic cell (60). Each photovoltaic cell (60) supplies an electrical power with a maximum current (Icc) and a nominal voltage (Vp), and each static converter (50) is adapted in such a way as to transmit the electrical power supplied by the photovoltaic cell towards a load (100), reducing the transmitted current and increasing the transmitted voltage. The laser segmentations of the photovoltaic cells are thus limited, or completely eliminated, on a same panel. The yield of the photovoltaic device production is thereby improved and the dead surfaces are limited.

Un dispositif photovoltaïque comprend au moins une cellule photovoltaïque (60) comprenant des couches minces actives (15) déposées sur un substrat (10), lesdites couches actives n'étant pas segmentées, et au moins un convertisseur statique (50) associé à chaque cellule photovoltaïque (60). Chaque cellule photovoltaïque (60) fournit une puissance électrique avec un courant maximal (Icc) et une tension nominale (Vp), et chaque convertisseur statique (50) est adapté à transmettre la puissance électrique fournie par la cellule photovoltaïque vers une charge (100) en diminuant le courant transmis et en augmentant la tension transmise. Sur un même panneau, les segmentations au laser des cellules photovoltaïques sont ainsi limitées voire totalement supprimées. Le rendement de fabrication du dispositif photovoltaïque est ainsi amélioré et les surfaces mortes sont limitées.

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