Is PERC still bankable?

Light-induced initial degradation in PERC modules is currently a subject of intense discussion, but tests at PI Berlin have shown that the problem is solvable. Founder and CEO Paul Grunow explains the effects, the approach, and the results.

Issue 06 - 2019

Climate chamber at PI Berlin. LeTID degradation can only be tested at elevated temperatures.

Image: PI Berlin

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