Manufacturing 100-µm-thick silicon solar cells with efficiencies greater than 20% in a pilot production line

Physica Status Solidi (A) : Applications and Materials Science. 2015, 212(1), pp. 13-24. ISSN 0031-8965. eISSN 1521-396X. Available under: doi: 10.1002/pssa.201431241

Zusammenfassung

Reducing wafer thickness while increasing power conversion efficiency is the most effective way to reduce cost per Watt of a silicon photovoltaic module. Within the European project 20 percent efficiency on less than 100-µm-thick, industrially feasible crystalline silicon solar cells (“20plµs”), we study the whole process chain for thin wafers, from wafering to module integration and life-cycle analysis. We investigate three different solar cell fabrication routes, categorized according to the temperature of the junction formation process and the wafer doping type: p-type silicon high temperature, n-type silicon high temperature and n-type silicon low temperature. For each route, an efficiency of 19.5% or greater is achieved on wafers less than 100 µm thick, with a maximum efficiency of 21.1% on an 80-µm-thick wafer. The n-type high temperature route is then transferred to a pilot production line, and a median solar cell efficiency of 20.0% is demonstrated on 100-µm-thick wafers.

Fachgebiet (DDC)

530 Physik

Schlagwörter

high efficiency, pilot production, silicon, solar cells, thin wafers

Zitieren

ISO 690

TERHEIDEN, Barbara, Tabitha BALLMANN, Renate HORBELT, Yvonne SCHIELE, Sabine SEREN, Jan EBSER, Giso HAHN, 2015. Manufacturing 100-µm-thick silicon solar cells with efficiencies greater than 20% in a pilot production line. In: Physica Status Solidi (A) : Applications and Materials Science. 2015, 212(1), pp. 13-24. ISSN 0031-8965. eISSN 1521-396X. Available under: doi: 10.1002/pssa.201431241

BibTex

@article{Terheiden2015Manuf-30916,
  year={2015},
  doi={10.1002/pssa.201431241},
  title={Manufacturing 100-µm-thick silicon solar cells with efficiencies greater than 20% in a pilot production line},
  number={1},
  volume={212},
  issn={0031-8965},
  journal={Physica Status Solidi (A) : Applications and Materials Science},
  pages={13--24},
  author={Terheiden, Barbara and Ballmann, Tabitha and Horbelt, Renate and Schiele, Yvonne and Seren, Sabine and Ebser, Jan and Hahn, Giso}
}

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