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Towards 22% efficient screen-printed bifacial n-type silicon solar cells.
- Source :
-
Solar Energy Materials & Solar Cells . Dec2018, Vol. 187, p91-96. 6p. - Publication Year :
- 2018
-
Abstract
- This paper outlines the development of fully screen-printed, uniformly diffused, bifacial, n -type silicon solar cells produced using a lean processing sequence and industry-standard equipment. An average batch efficiency of 21.4% was measured at standard test conditions for an optimised bifacial cell batch (i.e. illumination on the front surface only). The results of open circuit voltage ( V OC ) and fill factor ( FF ) loss analyses are presented for select batches. By targeting reductions in the largest recombination components, optimised batch V OC was increased by 15 mV compared to the baseline case. The two largest recombination components limiting V OC in optimised devices are front contact recombination and passivated rear surface recombination. The largest FF loss components for optimised devices are the emitter sheet resistance and front contact resistance. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09270248
- Volume :
- 187
- Database :
- Academic Search Index
- Journal :
- Solar Energy Materials & Solar Cells
- Publication Type :
- Academic Journal
- Accession number :
- 131495334
- Full Text :
- https://doi.org/10.1016/j.solmat.2018.07.020