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

May 28, 2019
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

March 13, 2026
Current solar PV module price increases are largely dictated by five major components, according to data from Intertek CEA
March 13, 2026
Impacted by the "One Big Beautiful Bill Act", a Chinese PV company with a US factory has opted to exit the local market by selling its US subsidiary.
March 12, 2026
PV Tech Research’s annual ranking of the top ten PV module manufacturers reveals some signs of recovery after a turbulent 2025, writes Moustafa Ramadan.
March 11, 2026
The selling price of several solar PV module technology types in Europe has increased between January and February of this year.
March 11, 2026
As TOPCon manufacturing expands globally, producers are facing different cost, safety and supply-chain realities – creating an opportunity to rethink technology platforms and prepare for next-generation tandem architectures.
March 10, 2026
A roundup of European solar stories, with developments from Sonnedix, Helleniq, Nuveen Infrastructure and Nord/LB.

Upcoming Events

Solar Media Events
March 24, 2026
Dallas, Texas
Solar Media Events
April 15, 2026
Milan, Italy
Solar Media Events
June 16, 2026
Napa, USA
Solar Media Events
October 13, 2026
San Francisco Bay Area, USA
Solar Media Events
November 3, 2026
Málaga, Spain