Hanergy’s Single Junction GaAs Module Rated as World’s Most Efficient Single-Junction Solar Module Updated On Thu, Jul 5th, 2018 by Saurenergy The company’s GaAs single-junction solar battery has attained conversation efficiency rate of 28.9 percent. One of the world’s leading renewable energy research organizations, US’s National Renewable Energy Laboratory (NREL) has rated Alta Devices’, US arm of Hanergy, single junction GaAs module as the world’s most efficient single-junction solar module. The company’s GaAs single-junction solar battery has […] Read more