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Influence of metal grid patterns on the performance of silicon solar cells at different illumination levels

TitoloInfluence of metal grid patterns on the performance of silicon solar cells at different illumination levels
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2009
AutoriMorvillo, Pasquale, Bobeico E., Formisano F., and Roca F.
RivistaMaterials Science and Engineering B: Solid-State Materials for Advanced Technology
Volume159-160
Paginazione318-321
ISSN09215107
Parole chiaveActive areas, Busbars, C-si solar cells, Cell membranes, concentration, Electrical performance, Grid designs, Grid patterns, High concentrations, High efficiencies, Illumination levels, Metal grid, Metals, Photovoltaic cells, Power loss, Silicon solar cells, simulation, Solar cells, Solar energy, Square grids
Abstract

In the present work we have investigated, both theoretically and experimentally, the effect of two different metal grid patterns, one with 2 busbars outside the active area (linear grid) and another one with a square busbar surrounding the active area (square grid) on the electrical performance of high efficiency c-Si solar cells under concentrated light (up to 200 suns). We calculated the power losses of both grid patterns at different illumination levels. We found that the power losses of the square grid are less sensitive to illumination levels compared to linear grid; this is true especially under medium and high concentration ratio. Moreover, the power losses of the square grid are also less influenced by metal grid resistivity. We fabricated and characterized also a large number of c-Si solar cells (more than 100 for each grid design) to prove the theoretical findings. © 2008 Elsevier B.V. All rights reserved.

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cited By 11

URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-67349160221&doi=10.1016%2fj.mseb.2008.10.004&partnerID=40&md5=a2b45f24e2befa58938f8f5ec053f056
DOI10.1016/j.mseb.2008.10.004
Citation KeyMorvillo2009318