e-journal
Inferior outdoor-exposed performances of encapsulated a-Si:H photovoltaic modules deposited with a high speed
We investigate the stabilized performance of encapsulated hydrogenated amorphous silicon photovoltaic modules depending on the deposition speed. The module products are degraded differently depending on the light-soaking environment.
The modules deposited at a high speed demonstrate significant degradation in an outdoor exposure test, despite moderate degradation during indoor light soaking. However, the modules deposited at a low speed show a relatively more stable performance against the outdoor exposure test. Notably,some modules show the trend that a higher initial performance stimulates a higher light-induced degradation, leading to a lower performance in the outdoor environment.Keywords
a-Si:H single-junction PV module, deposition rate, indoor light-soaking test, nominal-rated power, outdoor exposure test.
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