LONGi Green Energy mono PERC solar cell hits 22.71 percent efficiency

solar cell research

The Fraunhofer ISE CalLab of Germany certified the photovoltaic conversion efficiency of 22.71 percent of LONGi Green Energy Technology Co.’s monocrystalline PERC cell, which is a new world record for this cell type.

As the industry’s leading manufacturer of high efficient monocrystalline products, LONGi has always been committed to the improvement of the monocrystalline technology. Since its founding in 2001, the company has built and relied upon its own R&D capabilities. LONGi continues to lead the industry in scientific advancement and technological innovation, as demonstrated by the company’s progress in the conversion efficiency of its PERC cell:

• In April 2017, LONGi Solar’s 100MW pilot cell line achieved maximum efficiency of 22.17% in mass production (certified by CPVT);

• At the end of August, LONGi Solar improved the efficiency to 22.43%.

This recent breakthrough in conversion efficiency is LONGi’s latest and most important technology R&D achievement to-date.

Dr. Li Hua, Vice President of Cell R&D of LONGi Solar, said: “Based on large-area, P-type monocrystalline silicon wafer, we are able to employ mass production compatible cell process technology and able to realize a conversion efficiency of 22.71%. This greatly enhances the entire industry’s confidence in P-type monocrystalline cell. With continued R&D optimization, we believe the monocrystalline PERC cell can reach a conversion efficiency of greater than 23.0% in the near future.”

LONGi Solar plans to introduce the 22.0% efficient PERC cell technology into the production line at the end of 2017, allowing the company to deliver Top Runner-compliant products with leading edge technical standards. LONGi’s module power rating will achieve 340W-345W for a 60-cell format by 2018.

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