Chinese photo voltaic module producer JinkoSolar stated it achieved 33.24% energy conversion effectivity for a perovskite-silicon tandem photo voltaic cell based mostly on n-type wafers.
The firm stated the outcomes have been verified by the Shanghai Institute of Microsystem and Information Technology beneath CAS. In its earlier assessments, JinkoSolar achieved a cell effectivity of 32.33% for a similar machine configuration.
“This breakthrough in conversion effectivity for the perovskite/TOPCon tandem photo voltaic cell was achieved by numerous supplies and technological improvements together with ultra-thin poly-Si passivated contact know-how, novel light-trapping know-how, intermediate recombination layer with excessive mild transmittance and excessive service mobility, and environment friendly floor adjustment know-how utilizing hybrid supplies,” stated the producer, with out offering any further technical particulars.
The Chinese producer Longi holds the world report for perovskite-tandem photo voltaic cell effectivity, reaching 33.9% effectivity by November 2023. A couple of months in the past, the King Abdullah University of Science and Technology (KAUST) introduced ) in Saudi Arabia developed a perovskite-silicon tandem machine with excessive effectivity. at 33.7%.
Researchers from Germany’s Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE) lately stated that the sensible energy conversion effectivity potential of perovskite-silicon tandem photo voltaic cells can attain 39.5%. The researchers say that surpassing this effectivity threshold requires a change in cell structure, changing buckminsterfullerene (C60) with a extra clear electron transport layer, and discovering extra clear alternate options to indium tin oxide (ITO) layers.
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