Trina Solar uses super-sized n-type mono wafer for record 24.58% i-TOPCon bifacial Cell

Facebook
Twitter
LinkedIn
Reddit
Email
The record cell was fabricated at Trina Solar’s State Key Laboratory (SKL) of PV Science and Technology (PVST) and independently confirmed by the ISFH CalTeC in Germany. Image: Trina Solar

‘Solar Module Super League’ (SMSL) member, Trina Solar has set a conversion efficiency record of 24.58% for an i-TOPCon (Industrial Tunnel Oxide Passivated Contact) bifacial solar cell using a super-sized 244.62 cm2 wafer.

“We are very delighted to announce the latest achievement from our research team at the SKL PVST. To the best of our knowledge, this is the new world record for total area efficiency for a large-area two-side contact silicon solar cell”, said Jifan Gao, the CEO of Trina Solar. “The excellent R&D results lays a solid foundation for Trina Solar to provide new differentiated high-end PV modules and solutions to our customers.”

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

The record cell was fabricated at Trina Solar’s State Key Laboratory (SKL) of PV Science and Technology (PVST) and independently confirmed by the ISFH CalTeC in Germany.

The advanced i-TOPCon cell deploys a front boron emitter and a rear full-area passivating contact.

Read Next

July 16, 2026
LONGi’s has unveiled a suite of new technologies intended to demonstrate how the PV industry can innovate its way out of its current malaise.
July 16, 2026
LONGi's crystalline silicon-perovskite tandem solar cell has achieved a power conversion efficiency of 35.5%.
July 16, 2026
German solar energy research institute ISC Konstanz has appointed Dr Gerhard Mathiak as its head of its module department.
July 16, 2026
The first Chinese polysilicon manufacturer has secured a certification from the Solar Stewardship Initiative’s (SSI) supply chain traceability standard.
July 16, 2026
In the second of a two-part post, Moustafa Ramadan, head of PV Tech Research, explores the increasingly complex risks associated with solar cell procurement in the US.
July 15, 2026
The chief executive of fledgling US module and cell producer T1 Energy has highlighted his company’s efforts to forge local component manufacturing partnerships and tap homegrown engineering talent.

Upcoming Events

Solar Media Events
October 13, 2026
San Francisco Bay Area, USA
Solar Media Events
November 3, 2026
Málaga, Spain
Solar Media Events
November 24, 2026
Warsaw, Poland
Solar Media Events
April 20, 2027
Istanbul, Türkiye