PVTIME – On 20 November 2024, Trina Solar, a global leader in photovoltaic technology, announced a breakthrough conversion efficiency of 26.58% achieved with n-type bifacial i-TOPCon cells. And the new record was certified by a sub-laboratory of the Institute for Solar Energy Research in Hameln (ISFH).
As a leading solar PV product manufacturer with strong innovation capabilities, this is the 28th time that Trina Solar has set a world record in conversion efficiency or output power for a solar cell or module. The new products adopt the innovative square wafer design, first invented by Trinasolar, with a large size of 210*182 mm², utilising direct-draw phosphorus doping and quantum tunneling passivation contact technology. The performance of the cells is further enhanced by improved emitter passivation technology, light trapping design and ultra-fine line printing technology.
“We are pleased to announce that the efficiency of the n-type TOPCon cell has exceeded 26% for the first time, especially in a very short period of time. Trina Solar will continue to strengthen its R&D efforts on TOPCon cells and modules, and our comprehensive competitiveness in technology innovation will be continuously improved, while intellectual property protection will be highly valued,” said Mr Gao Jifan, Chairman and CEO of Trina Solar and Director of the National Key Laboratory of Photovoltaic Science and Technology.
In October 2024, Trina Solar took the lead in achieving a high conversion efficiency of 25.9% on TOPCon mono-crystalline silicon, a new world record that had previously been held by Fraunhofer for seven years. Just one month later, Trina Solar set a new efficiency record of 26.58%, a rapid increase in efficiency that demonstrates the strong technical potential of TOPCon solar cells.
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