The degradation of multi-crystalline silicon solar cells after damp heat tests

Add time:07/21/2019    Source:sciencedirect.com

Lower performance of multi-crystalline silicon solar cells is usually observed after long-term damp heat test at 85 °C/85% relative humidity. Performance degradation is known to result from the loss in fill factor (FF) due to high series resistance. The causes of the increase in the series resistance are the reduction of the photovoltaic (PV) ribbon in the solder joint and the oxidation of surface on the front Ag finger by high thermal and moisture stress. Additionally, severe degradation by FF loss after damp heat originated from the contact resistance between Si and Ag fingers. Ag crystallites on Si wafer and bulk Ag at the edge of the Ag finger were partially oxidized and could not play a role in the current path of photo-generated electrons.

We also recommend Trading Suppliers and Manufacturers of After-damp (cas 18923-20-1). Pls Click Website Link as below: cas 18923-20-1 suppliers

Prev:Damage-associated molecular patterns (DAMPs) released after burn are associated with inflammation and monocyte activation
Next:Amplitude dependent damping in electrodeposited nano-crystalline nickel after various heat treatments)