THERMALLY CONDUCTIVE AND ELECTRICAL INSULATION OF EVA SHEET

RUBBER TECHNOLOGY

Ethylene vinyl acetate (EVA) encapsulation materials have attracted a lot of attention due to their extensive applications in solar cells. Nearly 80% of photovoltaic (PV) modules are encapsulated by EVA materials. EVA has lots of advantages, such as good light transmittance and elasticity, low processing temperature, excellent melt fluidity, and adhesive property. In addition, the price is low, which makes it very suitable as a solar cell encapsulation material. However, there are also some problems with EVA. This article pays special attention to improving the performance of EVA encapsulation films. In addition, it differentiates between different properties also the static charge develop due to heating of glass attached to the upper surface creates problems and due to long use of Eva sheet in solar panel encapsulation the dust which gets deposited on the surface of sheet and the gap between the glass and sheet also reduces the effectiveness of solar cells in converting the radiation of sun into the electrical energy or electricity.

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