Enecoat claims 30.4% efficiency for four-terminal perovskite-silicon tandem solar cell

The Japanese manufacturer said its tandem cell utilizes a top perovskite solar cell with an efficiency of 22. 4% and 81% infrared transmittance. EneCoat Technologies, a Kyoto University PV technology spinoff, announced it achieved a power conversion efficiency of 30. 4% in a four-terminal perovskite-silicon tandem solar cell developed in partnership with Toyota Motor Corporation. Ltd. The company didn't say if the result was confirmed by an independent third-party entity. The tandem cell uses a flexible perovskite top cell with an efficiency of 22. 4% and 81% infrared transmittance, as well as ...

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