Technological innovation drives development: PHENEXS' latest breakthrough in solar photovoltaic modules
In the context of the accelerated transformation of global energy structure and the continuous advancement of the carbon neutrality goal, the photovoltaic industry is experiencing a new round of technological leap. PHENEXS GmbH, an advanced photovoltaic material technology enterprise headquartered in Munich, Germany, recently officially announced a significant technological breakthrough in the field of high-efficiency solar photovoltaic modules - the successful development of the third-generation PERC + TOPCon hybrid module based on a new nano-structured passivation layer (NanoPass™) and dual-sided micro-lens integrated packaging process. This module achieves a battery conversion efficiency of 24.8% and a whole-panel module efficiency of 23.1% under standard test conditions (STC), which is approximately 0.9 percentage points higher than the industry's mainstream TOPCon modules. At the same time, it suppresses LID (photo-induced degradation) and LeTID (thermal-induced degradation) to less than 0.25%, significantly extending the system's life cycle and power generation benefits.
According to Dr. Lena Vogt, the Chief Technology Officer of PHENEXS, the NanoPass™ technology constructs an ultra-thin and highly uniform alumina/silicon nitride gradient passivation film in situ through atomic layer deposition (ALD), effectively reducing the interface state density to 1.2×10¹¹ cm⁻² and significantly increasing the carrier lifetime. The innovative dual-sided micro-lens packaging utilizes the non-spherical micro-structure design driven by optical simulation to enhance the weak light response capability without increasing the glass thickness, resulting in a 12.7% increase in power generation during the early/late and cloudy weather. Currently, this technology has passed the full set of certifications from TÜV Rheinland IEC 61215:2016 and IEC 61730:2023, and has completed a 18-month empirical operation at the large-scale ground power station in Extremadura, Spain. The first-year degradation rate is only 0.21%, far exceeding the industry average of 0.45%.
PHENEXS has simultaneously launched its mass production plan. The first 2GW intelligent production line was put into operation in the Leipzig factory in Germany in the third quarter of 2024. It is powered by 100% green electricity and features a closed-loop silver paste recycling system. The carbon footprint per unit component is as low as 38.6 kg CO₂-eq/kW, which is 31% lower than the current EU standards. The company has signed the first supply agreements with energy operators in five European countries and has launched a customized double-glass lightweight version (weighing only 18.2 kg per piece) for the Asia-Pacific market, which is suitable for distributed rooftops and BIPV scenarios.