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Hanergy MiaSole, Solliance set 23% efficiency record for flexible solar cell

The MiaSole Perovskite-CIGS solar cell. Source: MiaSole Hi-Tech Corp

September 16 (Renewables Now) - The US unit of Hanergy Thin Film Power Group Ltd, in partnership with Solliance Solar Research, has set a new world record power conversion efficiency of 23% on a flexible tandem solar cell, it was announced last week.

MiaSole Hi-Tech Corp and Solliance Solar Research have achieved the result with a solar cell mixing two thin-film solar cell technologies. More specifically, a top flexible semi-transparent perovskite solar cell was combined with a bottom flexible copper indium gallium selenide (CIGS) cell.

The CIGS bottom cell was developed by Silicon Valley, California-based MiaSole Hi-Tech. Dmitry Poplavskyy, director of technology at the company, attributed the performance gain to process improvements at that very same bottom CIGS cell.

“These process changes, implemented by MiaSole, enable high efficiency CIGS cells with the spectral response better matched to the top perovskite cell. Further improvements in spectral matching as well as overall higher CIGS cell efficiency are expected to push the tandem architecture well beyond 23%,” he explained.

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Ivan is the mergers and acquisitions expert in Renewables Now with a passion for big deals and ambitious capacity plans.

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