Trina Solar Sets New Record with 31.1% Efficiency in Perovskite-Silicon Tandem Solar Cells

Trina Solar Sets New Record: Perovskite-Crystalline Silicon Tandem Solar Cell Efficiency Surpasses 31.1%!
On April 11, 2025, the rapidly advancing photovoltaic (PV) industry is focusing on enhancing solar cell efficiency and reducing production costs, objectives that major companies are competing to achieve. The latest development in this pursuit comes from Trina Solar’s perovskite-crystalline silicon tandem solar cell technology, which has garnered significant attention. With certification from the Fraunhofer Institute for Solar Energy Systems in Germany, Trina Solar has successfully increased the maximum efficiency of solar cells to 31.1%.

<h2>Notable Market Phenomenon</h2>
In recent years, the PV industry has experienced rapid growth. However, as the demand for clean energy continues to rise, improving solar cell efficiency remains a critical challenge, particularly in achieving high efficiency at a large-scale production level. Trina Solar's breakthrough signifies a new pinnacle in the cost-effectiveness of solar power generation and brings new hope to the global PV industry.

<h2>Background and Technological Innovation</h2>
Currently, the main types of solar cells include crystalline silicon and thin-film cells. Perovskite materials have recently gained widespread attention due to their advantages in optoelectronic efficiency. The research and development team at Trina Solar has successfully launched a <b>210mm</b> large-area perovskite/crystalline silicon tandem solar cell after overcoming several technological challenges.

<h2>Significance of the Technological Breakthrough</h2>
The importance of this achievement lies not only in the improved efficiency of the cells but also in the fact that it is the first time a <b>210mm</b> industrial-sized cell has achieved over <b>31%</b> efficiency. This exceptional performance lays a solid foundation for optimizing future product lines. The key to achieving this efficiency was the team’s ability to overcome challenges related to large-area film formation of textured perovskite substrates, matching top and bottom cells, and interface passivation, all while employing a fully mass-producible process that significantly reduces optical loss.

<h2>Future Outlook: The New Era of Clean Energy</h2>
With policy support and technological advancements, the global clean energy market is rapidly evolving. Trina Solar's breakthrough is expected to have a profound impact on the practical applications of clean energy. Industry insiders generally believe this will accelerate the installation of PV systems worldwide and expand the market for solar power generation. Furthermore, this technological advancement will encourage continuous innovation and upgrades among other companies, further enhancing the overall level of the PV industry.

<h2>Conclusion and Reflection</h2>
Since its establishment in 2003, Trina Solar has been dedicated to promoting the adoption and innovation of solar energy, achieving numerous industry firsts. The recent technological breakthrough in perovskite-crystalline silicon tandem solar cells not only enhances its market competitiveness but also provides robust technical support for global efforts to combat climate change.
The prospects for clean energy are increasingly bright on a global scale. As we approach a new era of clean energy, the challenge of promoting high-efficiency solar power technology across more sectors will require collaboration among governments, businesses, and scientists. Regardless, Trina Solar continues to demonstrate China's technological leadership in the PV industry, and the future development of the solar sector looks promising.