Longi photo voltaic modules
Image: Longi Solar
Longi stated as we speak on the SNEC tradeshow in Shanghai, China, that it has achieved an influence conversion effectivity of 34.6% for the perovskite-silicon tandem photo voltaic cell.
The European Solar Test Installation (ESTI) confirmed the outcomes, which signify a world report for this cell typology. The earlier report was held by Longi itself, which achieved an effectivity of 33.9% in November.
“We achieved this end result by optimizing the skinny movie deposition technique of the electron transport layer, creating and utilizing high-efficiency defect passivation supplies, and designing and creating high-quality interfacial passivation constructions,” the corporate stated in an announcement, with out giving additional particulars.
In June, Longi reported an effectivity of 33.5% for a similar cell. The European Solar Test Installation (ESTI) confirmed the outcomes, which signify a big enhance over the earlier 31.8% effectivity ranking, introduced in final 12 months’s version of SNEC.
Longi has damaged the world report for photo voltaic cell effectivity 16 occasions since April 2021. It claimed the world’s highest effectivity for silicon cells in November 2022, with a 26.81% effectivity ranking for an unspecified heterojunction photo voltaic cell.
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