Back-Contact Crystalline-Silicon Solar Cells and Modules
Conference
·
OSTI ID:4278
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.
- Research Organization:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Sandia National Lab. (SNL-CA), Livermore, CA (United States)
- Sponsoring Organization:
- US Department of Energy (US)
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 4278
- Report Number(s):
- SAND99-0591C; TRN: AH200114%%213
- Resource Relation:
- Conference: NCPV Program Review Meeting, Denver, CO (US), 09/08/1999--09/11/1999; Other Information: PBD: 10 Mar 1999
- Country of Publication:
- United States
- Language:
- English
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