When it comes to preserving photovoltaic (PV) modules from the effects of the environment and ensuring that they continue to function effectively over time, the encapsulation of solar panels is a very important component. In recent years, ethylene-vinyl acetate (EVA) photovoltaic film has become an increasingly popular option for encapsulating solar panels due to the numerous benefits that it offers. Through the use of EVA photovoltaic film in solar panel encapsulation, the purpose of this article is to provide a full grasp of the key advantages of including this material. We are able to discover the reasons behind its widespread use in the market by investigating its features, manufacturing process, and impact on the performance of solar panels.

Outstanding Transparency in Optical Signals

The fact that EVA photovoltaic film has a high optical transparency is one of the most significant advantages it offers. It is possible for a considerable amount of sunshine to penetrate through EVA, which guarantees that the solar cells will be able to absorb light effectively. The transparency of the solar panels allows for optimal energy conversion, which in turn results in higher power output from the panels. In addition, the transparency of EVA reduces the amount of light that is reflected and offers a clear view of the solar cells that are underneath, which streamlines the process of visual inspection and diagnostics.

Superior Capabilities to Prevent Moisture Exgression

In addition to its role as an efficient moisture barrier, EVA photovoltaic film also serves to shield solar cells from the potentially damaging effects of moisture penetration. By causing corrosion, delamination, and electrical short circuits within the solar panel, moisture can compromise its performance and durability. Moisture can also cause the panel to delamination. The exceptional resistance to moisture that EVA possesses helps to preserve the integrity of the solar panel, which guarantees long-term dependability even in conditions that are humid or filled with water.

Characteristics of Extreme Adhesion and Bonding Strength

In order to create a dependable connection between the solar cells and the materials that encapsulate them, EVA contains remarkable adhesive qualities, which enables it to do so. During the process of lamination, the EVA undergoes a process of softening and flowing, which results in the formation of a robust mechanical and electrical connection between the discrete solar cells and the enclosing layers. It is because of this adhesion that the solar panel is able to maintain its structural integrity, limit the entry of moisture, and improve its overall robustness.

The ability to adapt to a variety of solar panel designs while maintaining compatibility

The photovoltaic film made of EVA provides versatility in terms of module design and compatibility with a variety of solar cell types. The fact that it is pliable makes it possible for it to conform to a wide variety of shapes and contours, which makes it easier to manufacture solar panels that are curved or flexible. On top of that, EVA is compatible with a broad variety of solar cell technologies, such as crystalline silicon, thin-film, and developing photovoltaic technologies. Because of its adaptability, EVA is an excellent option for a wide variety of solar panel applications and production processes.

Protection from UV rays and heat

Solar panels are subjected to a variety of extreme climatic conditions, such as continuous exposure to ultraviolet (UV) light and swings in temperature. EVA photovoltaic film possesses exceptional UV stability, which safeguards the solar cells beneath it from deterioration and extends the lifespan of the cells. Furthermore, EVA is able to preserve its mechanical and adhesive qualities across a broad temperature range, which guarantees the solar panel’s high level of performance and dependability over an extended period of time, regardless of the weather circumstances.

Efficiency in production and cost-effectiveness in manufacturing

The manufacturing of solar panels might benefit from the economic advantages offered by EVA photovoltaic film. The availability of this material, the ease with which it can be processed, and its compatibility with ordinary lamination equipment all contribute to more affordable production costs. The lamination technique that makes use of EVA is effective, which enables high throughput and reduces the amount of time needed for manufacture. Furthermore, EVA’s long-standing presence in the sector has resulted in well-established supply chains and a competitive market, which further enhances the cost-effectiveness of the company’s products and services.

Maintaining a Sustainable Environment

The encapsulation of solar panels is usually done with EVA, which is a polymer that is regarded to be environmentally benign. Because it does not include any harmful compounds, such as heavy metals or halogens, it is suitable for use in manufacturing processes as well as disposal operations at the end of its useful life. In addition, EVA can be recycled, which makes a contribution to the circular economy and lessens the negative impact that waste from solar panels has on the environment.

When it comes to solar panel encapsulation, the use of EVA photovoltaic film offers a multitude of benefits, all of which add considerably to the overall performance, durability, and cost-effectiveness of solar panels. Because of its high optical transparency, moisture barrier capabilities, adhesive characteristics, flexibility, UV and thermal stability, production efficiency, and environmental sustainability, EVA is a material that is frequently chosen for the purpose of encapsulating solar modules. Through the utilization of these significant benefits, the solar sector has the potential to continue the development of renewable energy technology and to realize a more sustainable future.

Coace’s RM210A is an inorganic EVA anti-acidification masterbatch.
It has the advantages of low addition amount, high efficiency, easy dispersion, and little impact on light transmittance. It can well prevent the common phenomenon of aging and acidification of photovoltaic film, thereby improving the performance and service life of photovoltaic!