LONGi Green Energy achieves a world record 27.09% efficiency in crystalline silicon heterojunction back-contact solar cells. The breakthrough, independently developed using an all-laser patterning process, surpasses the previous 26.81% record. Additionally, their HBC cells boast reduced usage of transparent conductive oxide layers, with the 27.09% efficiency cell utilizing only 1/5 of the indium compared to traditional bifacial heterojunction solar cells.
LONGi breaks records with 27.09% efficient HBC solar cells
LONGi’s R&D team innovatively addresses high patterning costs by abandoning photolithography in favor of a cost-effective all-laser process. Illustration from LONGi.
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