How EVA film photovoltaic improves battery efficiency

EVA film plays a key role in photovoltaic cell modules. It is mainly used to encapsulate solar cells, protect them from the external environment, and improve cell efficiency. EVA film improves battery efficiency in the following ways:

1. Light transmittance: High-quality EVA film has high light transmittance, which allows more light to penetrate the film and reach the cells, thereby improving photoelectric conversion efficiency.

2. Barrier properties: EVA film can effectively block moisture and oxygen, protect battery cells from moisture and oxidation, and extend the service life of battery components.

3. Anti-aging: EVA film has good anti-aging properties and can resist the effects of ultraviolet rays and temperature changes, maintaining the long-term stability of battery components.

4. Thermal stability: EVA film can remain stable at high temperatures, reducing battery efficiency loss caused by temperature changes.

5. Encapsulation effect: The EVA film is closely combined with the glass and backplane to form a sealed packaging structure, which reduces the penetration of air and moisture and protects the battery cells.

In these ways, the EVA film not only protects the cells, but also improves the overall efficiency of the photovoltaic cells by improving light utilization and reducing energy loss.