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EnergyTech innovations and Startups

Monocrystalline silicon solar cell, new record for JinkoSolar

New advances for N-type monocrystalline silicon solar cell

(sustainabilityenvironment.com) – It was October 13, 2022 when JinkoSolar, a panel manufacturer based in Shanghai, announced that it had reached an “important technical breakthrough” for its topcon solar cells of type N large (182mm). The company brought conversion efficiency to 26.1%, a world record. Today the manufacturer surpasses its own record and still raises the bar by touching with its monocrystalline silicon solar cell a 26.4%. A few percentage points more but reached in just two months and able to ensure once again a solid place in the Guinness Book of photovoltaic records.

Thanks to the continuous research work on TOPCon technology. The name identifies a structural solution aimed at improving the performance of the cell. Acronym for Tunnel Oxide Passivating Contact, TOPCon provides for the introduction of a thin oxide layer between the metal contacts and the silicon wafer to reduce surface recombination losses while improving the transport of charge vectors.
Thanks to a series of technical improvements and the creation of a dedicated research & development team, the company has achieved greater efficiency and better production costs than traditional PERC technologies and other N-type technologies.

The latest result with its high efficiency monocrystalline N-type silicon solar cell actually comes after a well 22 world records, held in the field always by JinkoSolar, of which seven touched only in the last two years. The value has been independently certified by the National Institute of Metrology of China.

We are proud to have achieved another major breakthrough in N-type TOPCon cell conversion efficiency after just two months, marking yet another important milestone in our N-type technological innovation effort,” commented Jin Hao, CTO from JinkoSolar. “Every step forward in laboratory efficiency further lays the foundation for our large-scale mass production. Based on our roadmap for further efficiency improvements and cost reductions, we are confident that we will continue to deliver more efficient and reliable products”.

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