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Stion CIGS Hits The 23.2 Percent Efficiency Level

The firm has used its proprietary 'Simply Better' tandem technology to improve solar cell efficiency
 

Stacked Tandem Graphic

Stion has produced a 23.2 percent efficiency thin-film cell based on its proprietary tandem junction technology. 

Stion says it has already scaled this technology at or above 20.0 percent efficiency on a prototype module (20 cm x 20 cm) and expects to soon scale to monolithic modules (65 cm x 165 cm) in the 20 to 22 percent efficiency range.

A pioneer in tandem module technology, Stion says it is the first to demonstrate fully integrated thin film devices at such high conversion efficiencies using scalable commercial processes. The firm will continue to implement the key technical innovations behind the 23.2 percent cell on its pilot production line in San Jose, California in preparation for the commercialisation of thin-film modules with  over 20 percent efficiency.



Stacked tandem

“Achieving 23.2 percent cell efficiency and 20 percent mini-module efficiency on this state-of-the-art technology clearly demonstrates Stion’s commitment to technology differentiation and its deep IP portfolio," says Howard Lee, Stion’s Chief Technology Officer, Founder and Sr. Vice President of Technology. “Showing initial results of 20 percent+ is a strong validation of scalability, and our ability to provide 'Simply Better' solutions to our customers using this technology. We expect the technology to keep improving with production experience"

Stion’s approach to CIGS leverages proprietary materials and device expertise along with a robust, high-volume manufacturing process based on readily available, standardised equipment. Combining the simplicity of thin-film manufacturing with ultra high performance products greater than 20 percent efficiency is yet Stion is striving to be Simply Better than the competition.





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