Novel methods of bonding solar cells

Rob Thomaier

doi:10.1117/12.892847

13 September 2011 Novel methods of bonding solar cells

Rob Thomaier

Proceedings Volume 8110, Thin Film Solar Technology III; 81100U (2011) https://doi.org/10.1117/12.892847
Event: SPIE Solar Energy + Technology, 2011, San Diego, California, United States

Abstract

Messy liquid adhesives, short work times, long cure times, difficult clean-up of stray adhesive - all of these are associated with liquid adhesives for bonding solar cells. Current adhesion methods have been in place since the '70s: mix a two-part liquid silicone adhesive, coat a portion of adhesive onto a section of substrate, place the cells in a vacuum bag and wait for the adhesive to cure. Alternatively, one can use a fairly complicated robotic procedure to apply adhesive then fix a cell down and, again, wait for the adhesive to cure. Some difficulties that need to be overcome include balancing the amount adhesive to spread out with the available worktime in order to get all the cells onto the substrate with good adhesion; controlling the bondline; ensuring that the adhesive cures correctly after application; and, finally, if there is any re-work, removing the part from the adhesive without damaging everything around it.

Citation Download Citation

Rob Thomaier "Novel methods of bonding solar cells", Proc. SPIE 8110, Thin Film Solar Technology III, 81100U (13 September 2011); https://doi.org/10.1117/12.892847

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