Observatorio de I+D+i UPM

Memorias de investigación
Artículos en revistas:
Thin silicon solar cells: Pathway to cost-effective and defect-tolerant cell design
Año:2017
Áreas de investigación
  • Silicio,
  • Células solares
Datos
Descripción
(Proc. 7th International Conference on Silicon Photovoltaics, SiliconPV 2017) Thinner silicon wafers are a pathway to lower cost without compromising the efficiency of solar cells. In this work, we study the recombination mechanism for thin and thick silicon heterojunction solar cells, and we discuss the potential of using more defective material to manufacture high performance thin solar cells. Modelling the performance of silicon heterojunction solar cells indicates that at open-circuit voltage the recombination is dominated by Auger and surface, representing nearly 90% of the total recombination. At maximum power point, the surface is responsible for 50 to 80% of the overall recombination, and its contribution increases inversely with the wafer thickness. The experimental results show that for lower quality CZ material with 1 ms bulk lifetime, 60 mm-thick cells perform better than 170 mm-thick cells. The potential efficiency gain is 1% absolute. The gains in voltage of using thinner wafers are significantly higher for the lower quality CZ material, 25 mV, than for standard CZ material, 10 mV.
Internacional
Si
JCR del ISI
No
Título de la revista
Energy Procedia
ISSN
1876-6102
Factor de impacto JCR
Información de impacto
Volumen
124
DOI
10.1016/j.egypro.2017.09.346
Número de revista
Desde la página
706
Hasta la página
711
Mes
SIN MES
Ranking
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Participantes
  • Autor: A. Augusto
  • Autor: E. Looney
  • Autor: Carlos del Cañizo Nadal (UPM)
  • Autor: S.G. Bowden
  • Autor: T. Buonassisi
Grupos de investigación, Departamentos, Centros e Institutos de I+D+i relacionados
  • Creador: Centro o Instituto I+D+i: Instituto de Energía Solar
  • Departamento: Electrónica Física, Ingeniería Eléctrica y Física Aplicada
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