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15 Mar 2016

Solar Panels
When attemping to make the most beneficial solar power panels, you must absorb the back-sheet element of the panels.

A back-sheet will be the layer with the cell where the cells are laid out. Lack of of this back-sheet, specifically at the top middle area, could be the junction box. A back-sheet is usually manufactured from polyvinyl fluoride or P.V.F. which is similar to P.V.C. or polyvinyl chloride, the material found in conduits and water pipes. P.V.F. is frequently used in airplane and vehicle interiors.

Solar Panels
DuPont, as a famous chemical company founded in 1802, made in the 1940s the polyvinyl fluoride (P.V.F.) polymer. After around 10 years, they started developing products depending on their invented material. 2 decades after invention, the Tedlar name was finally registered by DuPont in the US. Eventually, Tedlar took over as leading collection of material to the back-sheets of solar power systems and is particularly acknowledged as the conventional inside the other industries it serves.

Polyvinyl Fluoride (P.V.F.) has excellent non-stick properties making it easy to clean. It is usually weather resistant and will prevent water from penetrating the solar panels. In addition, it does a good job in keeping water vapor from getting into. Another essential feature of P.V.F. is its low thermal resistance which can be essential in the operations in the solar cells. Low thermal resistance ensures that the information can do resisting heat from transferring towards the cells which can get a new layers that compose it. This is also the key reason why some solar power systems don't perform needlessly to say when the temperature rises above 25 degrees Celsius (77 degrees Fahrenheit). All solar power systems within their data-sheet use a term called "temperature coefficient pMax" which determines the share of reduced performance for every degree added above 25 degrees Celsius. If your "temperature coefficient pMax" is -0.47% then the maximum power your solar panel is reduced by 0.47% for every single degree boost in temperature (Celsius). Conversely, when the temperature is below or at 25 degrees Celsius, the solar panels perform better and may increase above its rated output.

Making the most efficient solar panels requires good quality materials like Tedlar but if you are making one yourself, a different could be only a plain traditional plywood. Painting this plywood which has a protective coating such as latex acrylic paint must do the task in resisting UV and preventing water from acquiring it. Plywood can be non-conductive but might not have the low thermal resistance that P.V.F. has.


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