China-based Trinasolar has announced a record-breaking achievement in solar cell efficiency, with its industrial larger-area 350.4 cm² n-type bifacial i-TOPCon solar cell reaching 26.58% efficiency. The milestone, verified by Germany’s ISFH CalTeC, marks the 28th time Trinasolar has set or surpassed global records in cell or module efficiency and output. The cell uses an innovative rectangular wafer design developed by Trinasolar. Its n-type phosphorus-doped Cz silicon substrate boasts a high minority carrier lifetime. Key advancements include boron-doped emitter, advanced light trapping, and fine-line printing technologies. Last month, Trinasolar’s 210×182 mm² i-TOPCon cell achieved 25.9% efficiency, surpassing a 7-year record held by Fraunhofer. According to Trinasolar, this latest leap from 25.9% to 26.58% efficiency was accomplished in just one month.
Trinasolar achieves 26.58% efficiency in i-TOPCon solar cells
In one month, Trinasolar advanced solar cell efficiency from 25.9% to 26.58%, (Image Source: Trinasolar)