Preliminary temperature Accelerated Life Test (ALT) on III-V commercial concentrator triple-junction solar cells

Espinet González, Pilar; Algora del Valle, Carlos; Orlando Carrillo, Vincenzo; Nuñez Mendoza, Neftali; Vázquez López, Manuel; Bautista Villares, Jesus; Xiugang, He; Barrutia Poncela, Laura; Rey-Stolle Prado, Ignacio y Araki, Kenji (2012). Preliminary temperature Accelerated Life Test (ALT) on III-V commercial concentrator triple-junction solar cells. En: "38th IEEE Photovoltaic Specialists Conference (PVSC), 2012", 03/06/2012 - 08/06/2012, Austin, Texas (USA). pp..

Descripción

Título: Preliminary temperature Accelerated Life Test (ALT) on III-V commercial concentrator triple-junction solar cells
Autor/es:
  • Espinet González, Pilar
  • Algora del Valle, Carlos
  • Orlando Carrillo, Vincenzo
  • Nuñez Mendoza, Neftali
  • Vázquez López, Manuel
  • Bautista Villares, Jesus
  • Xiugang, He
  • Barrutia Poncela, Laura
  • Rey-Stolle Prado, Ignacio
  • Araki, Kenji
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: 38th IEEE Photovoltaic Specialists Conference (PVSC), 2012
Fechas del Evento: 03/06/2012 - 08/06/2012
Lugar del Evento: Austin, Texas (USA)
Título del Libro: 38th IEEE Photovoltaic Specialists Conference (PVSC), 2012
Fecha: Junio 2012
Materias:
Palabras Clave Informales: Accelerated life test, ALT, reliability, concentration, solar cells, III-V, CPV, Photovoltaics
Escuela: Instituto de Energía Solar (IES) (UPM)
Departamento: Otro
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

A quantitative temperature accelerated life test on sixty GaInP/GaInAs/Ge triple-junction commercial concentrator solar cells is being carried out. The final objective of this experiment is to evaluate the reliability, warranty period, and failure mechanism of high concentration solar cells in a moderate period of time. The acceleration of the degradation is realized by subjecting the solar cells at temperatures markedly higher than the nominal working temperature under a concentrator Three experiments at three different temperatures are necessary in order to obtain the acceleration factor which relates the time at the stress level with the time at nominal working conditions. . However, up to now only the test at the highest temperature has finished. Therefore, we can not provide complete reliability information but we have analyzed the life data and the failure mode of the solar cells inside the climatic chamber at the highest temperature. The failures have been all of them catastrophic. In fact, the solar cells have turned into short circuits. We have fitted the failure distribution to a two parameters Weibull function. The failures are wear-out type. We have observed that the busbar and the surrounding fingers are completely deteriorate

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Identificador DC: http://oa.upm.es/20677/
Identificador OAI: oai:oa.upm.es:20677
Depositado por: Memoria Investigacion
Depositado el: 09 Oct 2013 16:12
Ultima Modificación: 21 Abr 2016 23:28
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