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Title: A quantitative analysis of photovoltaic modules using halved cells
Authors: Guo, S.
Singh, J.P.
Peters, I.M.
Aberle, A.G. 
Walsh, T.M. 
Issue Date: 2013
Citation: Guo, S., Singh, J.P., Peters, I.M., Aberle, A.G., Walsh, T.M. (2013). A quantitative analysis of photovoltaic modules using halved cells. International Journal of Photoenergy 2013 : -. ScholarBank@NUS Repository.
Abstract: In a silicon wafer-based photovoltaic (PV) module, significant power is lost due to current transport through the ribbons interconnecting neighbour cells. Using halved cells in PV modules is an effective method to reduce the resistive power loss which has already been applied by some major PV manufacturers (Mitsubishi, BP Solar) in their commercial available PV modules. As a consequence, quantitative analysis of PV modules using halved cells is needed. In this paper we investigate theoretically and experimentally the difference between modules made with halved and full-size solar cells. Theoretically, we find an improvement in fill factor of 1.8% absolute and output power of 90 mW for the halved cell minimodule. Experimentally, we find an improvement in fill factor of 1.3% absolute and output power of 60 mW for the halved cell module. Also, we investigate theoretically how this effect confers to the case of large-size modules. It is found that the performance increment of halved cell PV modules is even higher for high-efficiency solar cells. After that, the resistive loss of large-size modules with different interconnection schemes is analysed. Finally, factors influencing the performance and cost of industrial halved cell PV modules are discussed. © 2013 S. Guo et al.
Source Title: International Journal of Photoenergy
ISSN: 1110662X
DOI: 10.1155/2013/739374
Appears in Collections:Staff Publications

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