Qcells reaches 28.6% efficiency on full-size tandem perovskite-silicon solar cell

Qcells reported it has achieved a new world record, reaching 28.6% efficiency on a full-area M10-sized tandem solar cell that can be scaled for mass manufacturing. The efficiency measurement was conducted independently by Fraunhofer ISE CalLab. “The tandem cell technology developed at Qcells will accelerate the commercialization process of this technology and, ultimately, deliver a great leap…

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