Back-Contact Crystalline-Silicon Solar Cells and Modules

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Description

This paper summarizes recent progress in the development of back-contact crystalline-silicon (c-Si) solar cells and modules at Sandia National Laboratories. Back-contact cells have potentially improved efficiencies through the elimination of grid obscuration and allow for significant simplifications in the module assembly process. Optimization of the process sequence has improved the efficiency of our back-contact cell (emitter wrap through) from around 12% to near 17% in the past 12 months. In addition, recent theoretical work has elucidated the device physics of emitter wrap-through cells. Finally, improvements in the assembly processing back-contact cells are described.

Physical Description

8 p.

Creation Information

Bode, M.D.; Garrett, S.E.; Gee, J.M.; Jimeno, J.C. & Smith, D.D. March 10, 1999.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA
    Place of Publication: Albuquerque, New Mexico

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Description

This paper summarizes recent progress in the development of back-contact crystalline-silicon (c-Si) solar cells and modules at Sandia National Laboratories. Back-contact cells have potentially improved efficiencies through the elimination of grid obscuration and allow for significant simplifications in the module assembly process. Optimization of the process sequence has improved the efficiency of our back-contact cell (emitter wrap through) from around 12% to near 17% in the past 12 months. In addition, recent theoretical work has elucidated the device physics of emitter wrap-through cells. Finally, improvements in the assembly processing back-contact cells are described.

Physical Description

8 p.

Notes

OSTI as DE00004278

Medium: P; Size: 8 pages

Source

  • NCPV Program Review Meeting, Denver, CO (US), 09/08/1999--09/11/1999

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Identifier

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  • Report No.: SAND99-0591C
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 4278
  • Archival Resource Key: ark:/67531/metadc685791

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  • March 10, 1999

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

Description Last Updated

  • April 11, 2017, 3:53 p.m.

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Bode, M.D.; Garrett, S.E.; Gee, J.M.; Jimeno, J.C. & Smith, D.D. Back-Contact Crystalline-Silicon Solar Cells and Modules, article, March 10, 1999; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc685791/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.