Fig. 13
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EL images of the (a) PERC − Half-cell, (b) IBC − Full-cell, (c) HJT − Half-cell and (d) PERC − Full-cell modules after 13 months of outdoor exposure with a shadow mask. The locations of the hot-spots are indicated by red arrows for each module together with the 98th percentile and maximum temperatures of the hot-spots.
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