Cells & modules
All Cells & modules news
Study reveals high-altitude limitations in solar irradiance models
Researchers have identified altitude-dependent discrepancies in models used to estimate direct and diffuse irradiance from GHI data in southern Peru. The findings could help improve PV yield assessments in high-altitude Andean regions.
Chinese researchers build 27.39%-efficient inverted perovskite solar cell based on new molecular design
Chinese researchers have developed a molecular additive that reduces defects in perovskite solar cells, enabling a power conversion efficiency of 27.39%. The approach was also used in bifacial mini-modules with efficiencies above 22% and 99.6% power retention after more than 5,000 hours of continuous operation.
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How to reduce abrasion damage to PV module antisoiling coatings during robotic cleaning
Researchers in India found that dust during robotic cleaning can dramatically accelerate the degradation of hydrophobic antisoiling coatings on PV modules. Softer brushes, higher cleaning speeds, optimized cleaning intervals, and appropriate brush rotation can significantly extend coating lifetime.
Perovskite solar cell based on seed crystals achieves 23.51% efficiency
Researchers have developed a seed-assisted crystallization strategy to produce pure α-phase FAPbI3 perovskite without conventional chemical stabilizers. The resulting device reached 23.51% efficiency and retained 99% of its initial performance after 3,000 hours of unencapsulated operation.
Korean researchers achieve world-record 26.7% efficiency for sub-1 cm² perovskite-CIGS tandem solar cell
The result was confirmed by Germany’s Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE) and included in the Best Research-Cell Efficiency Chart maintained by the US Department of Energy’s National Laboratory of the Rookies.
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Vehicle-integrated PV key to protecting EV batteries rather than extending range
UK researchers say vehicle-integrated PV could deliver greater value by preserving EV batteries rather than extending driving range. Their review also calls for dynamic, automotive-specific testing standards that account for real-world shading, vehicle movement and module curvature.
ATW unveils screen-printing solution for copper-metallized solar cell
China’s Wuxi Autowell Technology has launched screen-printing equipment for copper and silver-coated copper pastes targeting TOPCon, back-contact, and next-generation solar cells. The product line includes cell-printing and print-on-print systems, as well as a curing furnace designed to prevent copper oxidation.
New research confirms negligible LeTID degradation in TOPCon solar cells
US researchers have found that light- and elevated-temperature-induced degradation (LeTID) has a limited impact on n-type TOPCon solar cells compared with earlier p-type PERC technology. Optimized firing conditions and laser-enhanced contact optimization (LECO) can further suppress degradation, with industrial TOPCon cells showing efficiency losses within acceptable warranty tolerances.
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