Imec (Leuven, Belgium) has developed a 20.04% large-area industrial-level silicon solar cell. Imec’s PERC-cell is compatible with the requirements of industrial photovoltaic production. It is a large-area (125mm x 125mm) Cz p-type silicon cell with a simple homogeneous emitter and Ag-single screen-printed front side contacts (65μm finger width), two busbars, and an adapted Al back-side metallization. The transfer of this process to 156mm x 156mm wafers is ongoing.
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