What glue is used for photovoltaic panel encapsulation

What encapsulation materials are used in PV panels?

Ethylene vinyl acetate layers combined with glass front and backsheets and a polyisobutylene edge sealant is the dominant encapsulation technology in the PV industry, but several alternative materials have also been proposed.

What encapsulant is used in solar panels?

In addition, a polyisobutylene edge sealant (Lange et al., 2011) and an aluminum frame is applied around the module (Cattaneo et al., 2014). Currently the most common polymeric encapsulant material in commercial silicon solar modules is ethylene–vinyl acetate (EVA) (Kempe, 2011, Peike et al., 2013).

What is PV encapsulate?

Generally, the encapsulate is a polymeric film which plays a critical role in avoiding environmental degradation or improving the stability of PV cells through the formation of a cross-linking network structure during the lamination of the PV module.

Is PVB a good encapsulant for solar panels?

Before EVA became the dominant encapsulant, polyvinyl butyral (PVB) and polydimethylsiloxane (PDMS) were commonly used as silicon solar panel encapsulants (Czanderna and Pern, 1996, Kempe, 2011). In terms of properties, PVB has some clear advantages over EVA, such as good adhesion without crosslinking and fast processing time (Peike et al., 2013).

How to encapsulate solar cells?

In the solar industry, the most common encapsulation is with cross-linkable ethylene vinyl acetate (EVA). With the help of a lamination machine, the cells are laminated between films of EVA in a vacuum, which is under compression. This procedure is conducted under temperatures of up to 150 °C.

Why is Eva a good encapsulant material for solar panels?

EVA was originally chosen as the encapsulant material for commercial solar modules due to its adequate chemical and physical properties relative to low cost and good processability (Czanderna and Pern, 1996).