Ultra-High Efficiency, High-Concentration PV System Based On Spectral Division Between GaInP/GaInAs/Ge And BPC Silicon Cells

Benitez Gimenez, Pablo and Mohedano del Pozo, Raúl and Buljan, Marina and Miñano Dominguez, Juan Carlos and Sun, Y. and Falicoff, W. and Vilaplana, j. and Chaves, Julio and Biot Marí, Guillermo and López, J. (2011). Ultra-High Efficiency, High-Concentration PV System Based On Spectral Division Between GaInP/GaInAs/Ge And BPC Silicon Cells. In: "7th international conference on concentrating photovoltaic systems: cpv-7", 04/04/2011 - 06/04/2011, Las Vegas, EEUU. pp. 88-92. https://doi.org/10.1063/1.3658301.

Description

Title: Ultra-High Efficiency, High-Concentration PV System Based On Spectral Division Between GaInP/GaInAs/Ge And BPC Silicon Cells
Author/s:
  • Benitez Gimenez, Pablo
  • Mohedano del Pozo, Raúl
  • Buljan, Marina
  • Miñano Dominguez, Juan Carlos
  • Sun, Y.
  • Falicoff, W.
  • Vilaplana, j.
  • Chaves, Julio
  • Biot Marí, Guillermo
  • López, J.
Item Type: Presentation at Congress or Conference (Article)
Event Title: 7th international conference on concentrating photovoltaic systems: cpv-7
Event Dates: 04/04/2011 - 06/04/2011
Event Location: Las Vegas, EEUU
Title of Book: Proceedings of 7th international conference on concentrating photovoltaic systems: cpv-7
Date: 2011
Volume: 1407
Subjects:
Faculty: E.T.S.I. Telecomunicación (UPM)
Department: Electrónica Física
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

A novel HCPV nonimaging concentrator concept with high concentration (>500×) is presented. It uses the combination of a commercial concentration GaInP∕GaInAs∕Ge 3J cell and a concentration Back‐Point‐Contact (BPC) concentration silicon cell for efficient spectral utilization, and external confinement techniques for recovering the 3J cell′s reflection. The primary optical element (POE) is a flat Fresnel lens and the secondary optical element (SOE) is a free‐form RXI‐type concentrator with a band‐pass filter embedded it, both POE and SOE performing Köhler integration to produce light homogenization. The band‐pass filter sends the IR photons in the 900–1200 nm band to the silicon cell. Computer simulations predict that four‐terminal terminal designs could achieve ∼46% added cell efficiencies using commercial 39% 3J and 26% Si cells. A first proof‐of concept receiver prototype has been manufactured using a simpler optical architecture (with a lower concentration, ∼ 100× and lower simulated added efficiency), and experimental measurements have shown up to 39.8% 4J receiver efficiency using a 3J with peak efficiency of 36.9%

More information

Item ID: 12903
DC Identifier: http://oa.upm.es/12903/
OAI Identifier: oai:oa.upm.es:12903
DOI: 10.1063/1.3658301
Deposited by: Memoria Investigacion
Deposited on: 12 Dec 2012 18:27
Last Modified: 21 Apr 2016 12:13
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