NDLI: Investigating the benefits of multi busbars for industrial Al-BSF silicon solar cells

Content Provider	IEEE Xplore Digital Library
Author	Nian Chen Ebong, A.
Copyright Year	2015
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Univ. of North Carolina at Charlotte, Charlotte, NC, USA (Nian Chen; Ebong, A.)
Abstract	This paper reports on the modeled and experimental results of industrial aluminum back surface field (Al-BSF) silicon solar cells with different number of busbars (three-, four- and five) for cost-effective metallization. It is found that by keeping the same metal grid coverage, solar cells with four- and five-busbar designs give higher fill factor (FF) and conversion efficiency than the-state-of-the-art three-busbar. This is attributed to decreased gridline resistance as the number of busbars increases from three to four, and four to five. The experimental I-V data shows an increase in cell efficiency by $0.18%_{absolute}$ and $0.34%_{absolute}$ with four- and five-busbar cells, respectively, compared to the three-busbar counterpart. This suggests that four- and five-busbar designs having finer gridlines will lead to >20% Al-BSF cell.
Starting Page	1
Ending Page	5
File Size	998440
Page Count	5
File Format	PDF
e-ISBN	9781479979448
DOI	10.1109/PVSC.2015.7355751
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Resistance Photovoltaic cells Metals Silicon Printing Electrodes Computer architecture silicon solar cell gridline busbar series resistance
Content Type	Text
Resource Type	Article

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