Longi claims 34.6% efficiency for perovskite-silicon tandem solar cell

The European Solar Test Installation (ESTI) has confirmed Longi's achievement of a world record-breaking efficiency rating of 34. 6% for a perovskite-silicon tandem solar cell. Longi said today at the SNEC tradeshow in Shanghai, China, that it has achieved a power conversion efficiency of 34. 6% for a perovskite-silicon tandem solar cell. The European Solar Test Installation (ESTI) has certified the results, which represent a world record for this cell typology. The previous record was held by Longi itself, which achieved an efficiency of 33. 9% in November. "We achieved this result by optimizing ...

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