Until now, solar cell researchers have concentrated mostly on conventional silicon solar cells and perovskite solar technology separately in order to create products with the highest possible efficiency. Merging the research may be the key to creating solar cells that maximize all available sunlight, both direct and indirect.
According to CleanTechnica news, scientists at the Energy Research Center of the Netherlands have developed a bifacial solar cell that is 30.2% efficient.
They achieved their breakthrough by layering a perovskite layer on top of an existing bifacial cell, resulting in a device that combines two technologies, one optimized for capturing high-energy photons and another that works best with low-energy particles.
The research was conducted in collaboration with thin-film solar specialist Solliance. “The tandem device proposed here uses a four-terminal configuration, thus having separate circuits for the top and bottom cells that allow for dynamic fine-tuning and optimization of the energy yield,” the ECN researchers say. The resulting cell is able to capture light on its front and rear sides by responding to the variability of incident light through its electronic design.
The team believes the efficiency of its cell could reach 35% within three to five years. ——————–***——————–
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Date: Mar 12, 2019 @ 10:20
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