LONGi Solar Achieves a New World Record for PERC Cell Efficiency Updated On Tue, Oct 24th, 2017 by Saurenergy This recent breakthrough in conversion efficiency is LONGi’s latest and most important technology R&D achievement to-date. LONGi Green Energy Technology has announced that Fraunhofer ISE CalLab of Germany certified a photovoltaic conversion efficiency of 22.71% on the company’s monocrystalline PERC cell, which is a new world record for this cell type. As the industry’s leading […] Read more