Researchers on the National Solar Energy Institute (INES) in France – a division of the French Alternative Energies and Atomic Energy Commission (CEA) – and Italian renewable specialist Enel Green Power claims to have achieved an influence conversion effectivity of 29.8% for 2 terminal tandem perovskite-silicon photo voltaic cells.
The cell consists of an higher cell based mostly on a perovskite absorber and a decrease cell with a heterojunction (HJT) construction. It has an energetic space of 9 cm² and an open circuit voltage of greater than 1,900 mV.
The European Solar Test Installation of the European Commission’s Joint Research Center (JRC) confirmed the consequence.
The scientists mentioned the brand new consequence improved on the 28.4% effectivity they achieved for a similar kind of cell in June.
“The decisive issue is the power of our researchers to proceed Tandem in the direction of an industrialization made doable by the selection of supplies that, by working intently with the CEA of INES, permits us to scale this expertise in areas bigger than cm²,” mentioned. Cosimo Gerardi, Chief Technology Officer of Enel’s unit 3Sun.
CEA-INES and Enel didn’t reveal any further technical particulars.
Enel Green Power by means of its unit 3Sun is betting on an n-type heterojunction (HJT) cell with an effectivity of 25.5% for the brand new 3 GW photo voltaic module manufacturing facility at the moment underneath building in Catania, southern Italy. It not too long ago mentioned that it can lead to module efficiencies above 24%.
From 2026, Enel Green Power plans to supply extra environment friendly photo voltaic modules based mostly on tandem silicon-perovskite cells. The last merchandise are reported to achieve efficiencies of round 30%.
CEA-INES and Enel Green Power are collectively creating DC/DC most energy level trackers (MPPT). They are additionally engaged on high-efficiency bifacial PV panels. In addition, they achieved an influence conversion effectivity ranking of 24.47% for a gallium-doped p-type heterojunction silicon photo voltaic cell in March 2022.
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