> > > Solar cells bonded to the car directly require some sort of clear resin,
> > > epoxy, or polymer.  This usually only lasts about a year before it starts
> > > to break down from UV damage.  ...
>
> Shocking Lesson:  I was preparing to show my solar prius one day and used a 
> damp cloth and water to wipe the dust off the 11 solar panels.  At first I 
> felt a slight tingling here and there and then went back to the same panel 
> and got a good shock.
>
> My panels are fiberglass composite so that they bend slightly and were all 
> connected in series to get to 250 VDC for directly charging the Prius 
> battery.  After several years (and this event) one could see water incursion, 
> discoloration and corrosion that had crept into the solar cell layer 
> (sandwiched between the fiberglass substrate and the polymer sealing top 
> layer..
>
> The depth of the edge incursion was as high as 1/2 inch in some edges.
> The problem was obvious!  And I had seen it coming  in fact, I know that I 
> did an initial poor quality sealing job, but figured I'd get back to it some 
> day to do it right.  Never did. until I scraped the car 14 years later
>
> See image of solar cells: about 50% down this page:
> http://aprs.org/FD-Prius-Power.html
>
> Bob, WB4APR
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