A New Approach in Solar Cell Module Interconnection Technique Resulting in 5-10% Higher PV Module Power Output

Nowadays solar panel cell interconnection technique still suffers from profound technological drawbacks: high cell breakage, bowing and worst of all its impact on module fill factor which is substantially decreased. If cell breakage appears during lamination the module is normally discarded. Despite the fact that existing stringing technology is used for decades major improvements have not been reliably established yet. In this paper we present a novel cell interconnection technique which is able to deal with all the drawbacks of nowadays module technology. Modules consisting out of 36 and 48 6 inch cells were produced to show the superior performance and feasibility compared to standard stringing technology. Outdoor performance of one module with cracked cells showed that homogenous cell wiring keeps module performance even if cells break. Measurements up to 2.9 suns were carried out which showed a very low module efficiency drop for Day4 modules compared to standard modules.