Polycrystalline Solar
Solar energy for my house, I? S, and do not want answers from people who have it in your home.?
I know monocrystalline solar panels cost more then the polycrystalline solar panels, but which one will last longer?, and they leak over time? and will they go away with time? what I mean by flight is moisture under the glass.
I do not have them in my house, if anyone can not respond here, so I could be the best that you get: / I did a little research on solar panels (we have developed CdTe rather than silicon, but we worked with groups from other laboratories that use silicon). Most solar panels degrade slightly with time (a common cause, because the solar cells rely on a junction, and thermal energy shakes the atoms and dopants can mix your so that the junction quality goes down a bit over time). In general, the more grain boundaries between crystals accelerates the rate of degradation, to polycrystalline panels is expected to degrade faster than crystalline (but if other mechanisms of degradation are dominant, or the system is generally stable, then the difference will be tiny). Typically the panels are tightly sealed against the elements so it should not including blurred. Hold the glass is reasonably clean for good output. What do you mean "leak"? silicon panels are state devices solid, unless you intend to heat them to hundreds of degrees Celsius, they remain solid and should not "leak"! When I say polycrystalline the cells must degrade faster than crystalline, everything is relative. Most solar panels are guaranteed for somewhere between 20-30 years and during this period, they should not be below 80% of their rated capacity (number is expected to deteriorate even less). EDIT: moisture under the glass is not a problem I have heard much about (but my experience is with the lab tech devices we've grown specifically rather than the full scale of the real world!). In principle, it should not be a big problem, your cells are usually sandwiched between two layers of glass which are then sealed. There is a flight risk, the same way double glazing may leak from time to time. This effect should not be different between cells mono-and poly-crystalline and it should be accounted for when they give you their guaranteed 20-30YR!
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