title: Reduction of front-metallization grid shading in concentrator cells through laser micro-grooved cover glass
creator: García-Linares Fontes, Pablo
creator: Voarino, Philippe
creator: Domínguez Domínguez, César
creator: Dellea, Olivier
creator: Besson, Pierre
creator: Fugier, Pascal
creator: Baudrit, Mathieu
subject: Renewable Energy
description: 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
publisher: E.T.S.I. Diseño Industrial (UPM)
rights: http://creativecommons.org/licenses/by-nc-nd/3.0/es/
date: 2015-09-28
type: info:eu-repo/semantics/conferenceObject
type: Presentation at Congress or Conference
source: AIP Conference Proceedings | 11th International Conference on Concentrator Photovoltaic Systems | 13/04/2015–15/04/ 2015 | Aix-les-Bains, France
type: PeerReviewed
format: application/pdf
language: eng
relation: http://scitation.aip.org/content/aip/proceeding/aipcp/10.1063/1.4931535
rights: info:eu-repo/semantics/restrictedAccess
relation: info:eu-repo/semantics/altIdentifier/doi/10.1063/1.4931535
identifier: http://oa.upm.es/40648/