Efficiency of Silicon Solar Cells Climbs

Japanese materials company prototypes a 26.3% efficient silicon cell, steps away from the 29% theoretical maximum Photo: Kunta Yoshikawa/Kaneka/Nature Energy In research published this week in Nature Energy , researchers at Kaneka Corporation, a resin and plastics manufacturer based in Osaka, describe the first silicon solar cell to achieve a record-breaking 26.3-percent efficiency—a 0.7-percent increase over the previous(…)