Day4 Solar Cells Reach 19% Efficiency

Day4 Energy Inc. announced that its R&D program, after months of research and experimental trials, has developed a design and manufacturing process for its Generation II solar cells with efficiency up to 19 percent on mono-crystalline and 18 percent on multi-crystalline silicon materials. According to the company, the new design constitutes a significant improvement not only in maximum efficiency of the product, but also in low cost manufacturing and lower commercialization risk.

The Generation II technology was designed to be fully compatible with Day4 Energy’s existing manufacturing equipment, enabling rapid deployment and scale-up. The company expects that a combination of the technology and manufacturing process will reduce production costs by up to 25 percent of what is currently possible with conventional technology.

“Our first generation 14.7 percent efficiency Day4 MC module, which has been in commercial production since 2006, already places us among the industry’s highest performing multi-crystalline products,” said Professor Leonid Rubin, CTO of Day4 Energy. “With the second generation of our proprietary solar cell designs we are taking a major step towards making solar energy cost competitive with conventional sources of electrical power generation.”

Day4 Energy expects to fast track commercial scale-up of its high performance PV cell technology over the next 18 months and is currently in discussions with a number of partners in respect to this process. The company has also recently filed a patent application in connection with this invention.


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