Front-floating Emitter Voltage Mapping of IBC Mercury Cells

Spinelli, Pierpaolo; Guillevin, N.; Burgers, Teun; Mewe, A.A.; Vlooswijk, A.H.G.; Geerligs, Bart; Weeber, Arthur; Cesar, I.

doi:10.1016/j.egypro.2015.07.026

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2015

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“…Recent developments in the process and design of the Mercury cell have resulted in cell efficiencies up to 20.9% [3], which is an increase in efficiency of more than 1% absolute compared to the results that were reported previously [4]. In TABLE I, the cell parameters of the best cell are shown.…”

Section: Introductionmentioning

confidence: 82%

Mercury: Industrial IBC cell with front floating emitter for 20.9% and higher efficiency

Mewe

Spinelli

Burgers

et al. 2015

2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC)

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In this paper break-through results on our 6" industrial Mercury cells are presented. We gained more than 1% absolute in efficiency by optimizing the processes and design of the cells, resulting in 20.9% cell efficiency. We used standard industrial equipment and the number of process steps similar to our commercial n-Pasha technology. The screen-printed IBC cells can be interconnected by our proven industrial foil-based interconnection scheme. Together with this result, we present a method to characterize and quantify the pn-junction recombination contribution to V oc and pseudo-FF losses in the cell. Finally, our roadmap to 23% Mercury cells is presented.

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Section: Introductionmentioning

confidence: 82%