Eva Material Solar Panel

With the help of a lamination machine the cells are laminated between films of eva in a vacuum which is under.

Eva material solar panel.

Eva is the abbreviation for ethylene vinyl acetate. Detailed profile including pictures certification details and manufacturer pdf. Eva films are an essential material used for traditional solar panel lamination. Eva ethyl vinyl acetate is the most commonly used encapsulant material.

Tedlar is a comparably expensive material and therefore one of the cost factors manufacturers seek to reduce by using alternative materials or even new panel types not requiring tpt at all. Ethylene vinyl acetate eva also known as poly ethylene vinyl acetate peva is the copolymer of ethylene and vinyl acetate the weight percent of vinyl acetate usually varies from 10 to 40 with the remainder being ethylene. To protect solar photovoltaic cells from adverse weather conditions these are laminated embedded between transparent eva films in a vacuum and under heat and compression with the aid of a. Im going to build a box large enough to put in the solar panel say 35lx35w x12 high with an heating element in it and also a.

This sandwich is then heated to 150 c to polymerize the eva and bond the module together. There are three different types of eva copolymer which differ in the vinyl acetate va content and the way the materials are used. Eva comes in thin sheets which are inserted between the solar cells and the top surface and the rear surface. Why we need eva films and how are they integrated into solar pv panels.

Common alternatives to tpt are tpe tedlar polyethylene terephthalate pet eva another composite layer film and pet based backsheets. Hangzhou fumao pv material co ltd solar panel eva series fm906p. The purpose of tedlar is to seal up the back of the panel with a weather resistant material. In the solar industry the most common encapsulation is with cross linkable ethylene vinyl acetate eva.

What are ethylene vinyl acetate eva films. I encapsulated my first panel today with eva and tedlar. I soldered up 36 1 5v 3x6 cells to get a 60watt panel. Solar panel raw materials our company is the leading supplier of solar pv raw materials like solar cells eva tpt back sheet junction box ribbon tempered glass etc for solar panel manufacturing.