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太陽電池用包装フィルムにおける添加剤の機能とは?

The efficiency and functionality of photovoltaic (PV) packaging sheets are significantly improved by additives. The purpose of this essay is to provide readers a thorough grasp of the advantages and uses of additives in PV packaging films. We may learn more about the numerous functions additives perform and how they enhance performance, robustness, and other important qualities. Optimizing the performance and design of PV packaging sheets requires a thorough understanding of additives.

 

Enhanced Weatherability

For PV modules that are exposed to external environments, weatherability is a crucial factor. Packaging films can be made more resistant to oxidation, ultraviolet (UV) radiation, and other environmental variables by adding additives such antioxidants and UV stabilizers. By reducing the rate at which the optical and mechanical qualities of the film deteriorate, these additives guarantee the PV module’s long-term dependability and performance.

Moisture Barrier

Moisture intrusion can seriously shorten the life and performance of photovoltaic modules, perhaps resulting in electrical failures and decreased efficiency. To effectively prevent moisture from penetrating packing sheets, additives like desiccants and moisture barrier agents are used. They aid in keeping the inside environment of the module dry, which stops electrical component deterioration and corrosion.

Adhesion and Encapsulation

PV cells must be adhered to and encapsulated properly within the module in order for them to be protected and to operate dependably. Adhesion promoters and encapsulants are among the additives used to improve the bonding between the module’s various layers, including the backsheet, encapsulant, and cells. By enhancing interfacial adhesion, these additives lower the possibility of delamination and guarantee the module’s long-term structural integrity.

 

Mechanical Strength and Flexibility

During the production, installation, and operation of modules, packaging sheets must be able to bear a variety of mechanical forces. Reinforcing agents and impact modifiers are examples of additives that are added to the film matrix to improve its flexibility, toughness, and mechanical strength. By strengthening the film’s resistance to mechanical stressors like wind, hail, and temperature cycling, these chemicals contribute to the long-term dependability and longevity of the module.

光学的透明性

Optimizing light transmission to the photovoltaic cells depends on optical transparency. To maximize the film’s optical qualities, additives including light scattering agents and anti-reflective coatings are used. These additions improve the module’s overall efficiency by reducing reflection and increasing light trapping.

Thermal Control

To keep PV cell performance at its best, effective thermal control is necessary. The thermal conductivity and heat dissipation capabilities of the film are improved by the use of additives such as phase transition compounds and thermal conductive fillers. By increasing heat transmission away from the cells, these additives reduce the risk of overheating and extend the lifespan and overall efficiency of the module.

加工性と互換性

PV packaging films’ processability and compatibility can both be enhanced by additives. They ensure ease of handling and integration with other module components by facilitating film extrusion, lamination, and other production processes. Additionally, additives can improve packaging films’ compatibility with various encapsulants, backsheet materials, and module designs, enabling more flexibility and optimization.

 

In photovoltaic packaging films, additives have a variety of important functions. They help with adhesion, weatherability, moisture barrier qualities, mechanical strength, optical transparency, thermal management, and processability. PV modules can achieve improved reliability, longevity, and efficiency by adding these chemicals. It is crucial to comprehend the purposes and advantages of additives when creating high-performance PV packaging films that satisfy the needs of the solar market.Photovoltaic encapsulation film additive is an auxiliary material used in the packaging process of solar photovoltaic cells. The addition of appropriate photovoltaic encapsulation film additives (specially applied to the hot melt adhesive of photovoltaic film level) can enhance the success rate of photovoltaic encapsulation film packaging. After adding additives, the adhesion between the film and the solar silicon crystal panel will be effectively improved, thus increasing the yield. Coaces photovoltaic packaging film additives with high transparency, low crystal point and other characteristics, high grafting rate, good fluidity, high resistivity, favored by the majority of users!

 

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