Reduction of front-metallization grid shading in concentrator cells through laser micro-grooved cover glass

García-Linares Fontes, Pablo and Voarino, Philippe and Domínguez Domínguez, César and Dellea, Olivier and Besson, Pierre and Fugier, Pascal and Baudrit, Mathieu (2015). Reduction of front-metallization grid shading in concentrator cells through laser micro-grooved cover glass. In: "11th International Conference on Concentrator Photovoltaic Systems", 13/04/2015–15/04/ 2015, Aix-les-Bains, France. ISBN 978-0-7354-1326-9. pp.. https://doi.org/10.1063/1.4931535.

Description

Title: Reduction of front-metallization grid shading in concentrator cells through laser micro-grooved cover glass
Author/s:
  • García-Linares Fontes, Pablo
  • Voarino, Philippe
  • Domínguez Domínguez, César
  • Dellea, Olivier
  • Besson, Pierre
  • Fugier, Pascal
  • Baudrit, Mathieu
Item Type: Presentation at Congress or Conference (Article)
Event Title: 11th International Conference on Concentrator Photovoltaic Systems
Event Dates: 13/04/2015–15/04/ 2015
Event Location: Aix-les-Bains, France
Title of Book: AIP Conference Proceedings
Date: 28 September 2015
ISBN: 978-0-7354-1326-9
ISSN: 0094-243X
Volume: 1679
Subjects:
Freetext Keywords: Electrodes; Amorphous metals; Laser glasses; Surface patterning; Irradiance
Faculty: E.T.S.I. Diseño Industrial (UPM)
Department: Ingeniería Eléctrica, Electrónica Automática y Física Aplicada
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Concentrator solar cell front-grid metallizations are designed so that the trade-off between series resistance and shading factor (SF) is optimized for a particular irradiance. High concentrator photovoltaics (CPV) typically requires a metallic electrode pattern that covers up to 10% of the cell surface. The shading effect produced by this front electrode results in a significant reduction in short-circuit current (I SC) and hence, in a significant efficiency loss. In this work we present a cover glass (originally meant to protect the cell surface) that is laser-grooved with a micrometric pattern that redirects the incident solar light towards interfinger regions and away from the metallic electrodes, where they would be wasted in terms of photovoltaic generation. Quantum efficiency (QE) and current (I)-voltage (V) characterization under concentration validate the proof-of-concept, showing great potential for CPV applications

More information

Item ID: 40648
DC Identifier: http://oa.upm.es/40648/
OAI Identifier: oai:oa.upm.es:40648
DOI: 10.1063/1.4931535
Official URL: http://scitation.aip.org/content/aip/proceeding/aipcp/10.1063/1.4931535
Deposited by: Memoria Investigacion
Deposited on: 01 Jun 2016 08:03
Last Modified: 13 Mar 2017 08:25
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