DOE OSTI · 2396643
Development and Reliability of Screen-Printable Fire-Through Cu Paste for Passivated Contact Solar Cells
Abstract
We present the development of copper (Cu) paste which has been screen printed on Selective Emitter-Passivated Emitter Rear Contact (SE-PERC) solar cells. This paste can also be applied to Tunnel Oxide Passivated Contact (TOPCON) solar cells due to its fire-through nature. Champion PERC cells have achieved ....efficiency with ...parameters . Accelerated testing to investigate reliability performance of the SE- PERC mini-modules were carried out in damp heat chamber with 85oC and 85% humidity. The devices were found to be operational even after 1,500 hours. Devices with screen printed Ag contacts on the front side have been studied in parallel to the Cu contacts for comparison.
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Mitra, Suchismita, Johnston, Steve (ORCID:0000000333088267), Guthrey, Harvey (ORCID:0000000315743379), Hacke, Peter, Dharmadasa, Ruvini, Druffel, Thad, Elmer, Kevin, Nambo, Apolo, Williams, Dustin, Upadhyaya, Ajay, Upadhyaya, Vijaykumar D., Rohatgi, Ajeet, Stradins, Paul. 2024-07-03. Development and Reliability of Screen-Printable Fire-Through Cu Paste for Passivated Contact Solar Cells. https://www.osti.gov/biblio/2396643
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