Trina Solar announced today that its large-area perovskite/crystalline silicon tandem modules, independently developed by the State Key Laboratory of PV Science and Technology, have achieved a significant breakthrough in conversion efficiency. Tested and certified by Fraunhofer ISE, the laboratory tandem module with an area of 1185 cm² reached an efficiency of 30.6%, making Trina Solar the first photovoltaic enterprise globally to surpass the 30% efficiency milestone for tandem modules. This achievement has been officially recorded in the “Solar cell efficiency tables” (Version 66), a global solar cell world record compendium edited by Martin Green.
Meanwhile, the large-area perovskite/crystalline silicon two-terminal tandem module, also independently developed by the laboratory, with a module area of 3.1 m², has been certified by the TÜV SÜD test laboratory to achieve a peak power of 829 W, setting a new record for large-size photovoltaic module power. This is another major breakthrough for Trina Solar in the field of tandem technology following the first breakthrough of 808 W in March this year, further solidifying the company’s leading position in cutting-edge photovoltaic technologies.
The tandem modules released this time are all based on 210 mm large-size tandem cell technology. Building on this foundation, the technical team has focused on developing flexible low-shading conductivity technology, material-adaptive heterogeneous connection technology, and multi-scale full-spectrum photon management technology, targeting the intrinsic properties of perovskite materials. Through synergistic photoelectric optimization, the efficiency advantages of tandem cells are fully harnessed. This achievement marks another significant technological breakthrough for Trina Solar in the perovskite/crystalline silicon tandem technology field, following the breakthrough of 808 W in full-size module power. It signifies that the company has achieved technological breakthroughs across multiple dimensions and levels, from cell efficiency to module efficiency and full-size module power.
