How to improve photovoltaic power generation efficiency and system reliability through double-sided double-glass n-type monocrystalline solar photovoltaic modules?
Publish Time: 2025-05-09
Driven by the goal of "carbon peak and carbon neutrality", photovoltaic power generation is accelerating towards high efficiency and high reliability. As a new generation of high-performance photovoltaic modules, double-sided double-glass n-type monocrystalline solar photovoltaic modules are becoming an ideal choice for ground power stations, industrial and commercial roofs and complex terrain application scenarios with their advantages such as multi-busbar technology, double-sided power generation capacity and lower temperature coefficient. It not only improves the power generation efficiency per unit area, but also enhances the stability and economy of the system.First of all, the application of multi-busbar technology significantly optimizes the light collection and current collection performance of the module. The number of traditional photovoltaic cells is small, and the current transmission path is long, which is easy to cause resistance loss. The multi-busbar design effectively shortens the lateral transmission distance of the carriers by increasing the number of busbars, reduces resistance loss, and thus improves the overall power output of the module. In addition, the multi-busbar structure can also enhance the resistance of the cell to microcracks, improve the mechanical stability of the module during transportation, installation and operation, and extend the service life, providing a guarantee for long-term and efficient power generation.Secondly, the double-sided double-glass n-type monocrystalline solar photovoltaic modules' bifacial power generation technology is one of the most competitive features of the module. Unlike traditional monofacial modules, bifacial double-glass modules can not only generate electricity by absorbing direct sunlight on the front side, but also generate additional electricity by absorbing ground reflected light or ambient scattered light on the back side. Depending on the different ground reflectivity (such as snow, concrete, sand, etc.) and installation angle, the power generation of bifacial modules can be increased by 5% to 25%, greatly improving the actual output per unit installed capacity. This feature is particularly suitable for highly reflective environments or low-angle installation scenarios, such as in desert areas, floating power stations on the water surface, or rooftop projects, which can bring higher returns on investment.Furthermore, N-type monocrystalline silicon materials themselves have lower light-induced attenuation (LID) and heat-assisted light-induced attenuation (LeTID) characteristics, combined with the double-glass packaging structure, the modules have better temperature coefficient performance. Compared with P-type modules, N-type modules can still maintain a high conversion efficiency in high temperature environments, reducing power generation losses caused by temperature rise. This lower temperature coefficient means that even in hot summer or in areas with strong sunlight, the system can still operate stably and continuously output more electricity, further improving the overall power generation efficiency of the photovoltaic system.It is worth noting that the double-sided double-glass structure also gives the components stronger mechanical strength and environmental adaptability. Compared with traditional backplane materials, glass materials are more durable, and have better UV resistance, corrosion resistance, and moisture resistance, and can maintain good electrical performance and physical integrity under extreme climatic conditions. At the same time, double-glass components have no PID (potential induced decay) effect, are more suitable for high-voltage system applications, and help improve the long-term operation reliability of power stations and reduce operation and maintenance costs.In addition, as photovoltaic systems develop towards high power and high density, the high power density and modular design of double-sided double-glass N-type monocrystalline components also make it easier to adapt to the current mainstream high-power inverters and bracket systems, which is conducive to reducing the levelized cost of electricity (LCOE) and improving the overall economic efficiency of the project.In summary, double-sided double-glass n-type monocrystalline solar photovoltaic modules have significantly improved power generation efficiency and system reliability through multiple innovations such as multi-busbar technology, double-sided power generation capacity, and lower temperature coefficient. In the face of the growing demand for clean energy and the challenges of technological iteration, continued attention to and promotion of the application of such high-efficiency components will become a key force in promoting the high-quality development of the photovoltaic industry. Through continuous innovation and optimization, it will surely bring more green energy value to enterprises and users and help the global energy transformation process.
