Suniva Produces Record Screen Printed Solar Cells with 20%+ Efficiencies
Suniva Inc., a manufacturer of high value crystalline silicon solar cells [spinoff from Georgia Tech], today announced that its R&D team has developed several silicon solar cells in its lab with over 20% conversion efficiencies using a patented combination of simple cell designs and screen printing technologies. (...) represent a world record for screen printed cells and incorporate advanced design features that boost power output from the cell. For example, Suniva can create a higher sheet resistance emitter as well as enhanced surface passivation dielectrics in a single high tempeature step. Suniva produces narrower screen‐printed contacts on the front of the cell and a high‐quality surface reflector on the back. These components, combined with improved texturing methodologies, allow Suniva to trap light and achieve high efficiencies while keeping costs low.