electrical varnish for solar cell encapsulation

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  • axis11
    Solar Fanatic
    • Mar 2011
    • 237

    electrical varnish for solar cell encapsulation

    Hi,anybody have an idea if electrical varnish will work as encapsulant for cells?
  • Mike90250
    Moderator
    • May 2009
    • 16020

    #2
    If it worked well in the long term, commercial panels would use it.
    Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
    || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
    || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

    solar: http://tinyurl.com/LMR-Solar
    gen: http://tinyurl.com/LMR-Lister

    Comment

    • axis11
      Solar Fanatic
      • Mar 2011
      • 237

      #3
      pls. excuse my ignorance. maybe you could tell me more about the effects of this varnish.If it could keep my panels running for ten years,its ok. Maybe you have an idea around how long will cells sandwhiched between glass and plywood produce at least 50% of their power.

      Comment

      • Mike90250
        Moderator
        • May 2009
        • 16020

        #4
        2 years in a high humidity area would be excelent for home brew panels, in my opinion.

        When they start to fail, I expect the end would come soon, rather than a year later.

        The coating and the cells, must be the same themal expansion, or be flexible enough to not damage the cells. Varnish, I expect, would quickly flake and peel off. And it's not clear, it will reduce the power the cells can produce.
        Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
        || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
        || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

        solar: http://tinyurl.com/LMR-Solar
        gen: http://tinyurl.com/LMR-Lister

        Comment

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