Ok... looking at multiple issues.
- Most "modern" cells have a conductive array that is sprayed or silk screened onto the top surface.
- I got some "E-Bay" cells with damage to the conductive array on the cells... Since they are using silk-screened epoxy for a conductive surface, I would assume one could repair it with a conductive epoxy.
- I have some older Siemens 48 panels where the conductive epoxy attaching the copper strips to the cells has apparently leached out (which I believe may be depressing my power production).
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Looking at conductive epoxies forsale, there seem to be a few things that vary from type to type:
Heat Resistivity (most are 100-150 degrees C, some 400-650 degrees F).
Flexibility
I assume that although solar panels generally have minimal flex, by being large arrays containing diverse materials, a little flex would be desirable as expansion coefficients may vary.
Not sure exactly what the temperature goal should be. I assume that 100-150 degrees C would be possible on a hot summer day.
Ideas?
??
