California solar technology manufacturer Alta Devices has achieved a conversion efficiency of 29.1% with its gallium arsenide cell, beating its previous record of 28.9% announced in June. Alta's cells are also being tested by NASA on the International Space Station after the company, a Hanergy Group subsidiary, was selected to be part of November's Materials International Space Station Experiment flight investigation. The new record, reported today at the American Chemical Society National Meeting & Exposition in San Diego, is an improvement over the 31.9% figure from last year, when the company had already surpassed the 30% milestone for
California solar technology manufacturer Alta Devices has achieved a conversion efficiency of 29.1% with its gallium arsenide cell, beating its previous record of 28.9% announced in June. Alta's cells are also being tested by NASA on the International Space Station after the company, a Hanergy Group subsidiary, was selected to be part of November's Materials International Space Station Experiment flight investigation. The cells will be returned to NASA and Alta in a year's time for evaluation.