Is LeTID degradation in PERC cells another degradation crisis even worse than PID?

Published: February 22, 2019

By Dr. Radovan Kopecek; Dr. Joris Libal; Lejo J. Koduvelikulathu

Light- and elevated temperature-induced degradation – LeTID – is emerging as a potentially serious problem affecting PV modules employing PERC technology. So why isn’t the industry more aware of it, ask Radovan Kopecek, Joris Libal and Lejo J. Koduvelikulathu of ISC Konstanz.

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