China’s Trina Solar has set a world record for solar module conversion efficiency, achieving 25.44 percent with its n-type fully passivated heterojunction (HJT) modules in laboratory tests certified by Germany’s Fraunhofer CalLab. Passivation, which covers defects on a solar cell’s surface, boosts efficiency, reducing the size and cost of solar installations.
Professor Martin Green of the University of New South Wales noted HJT’s potential as a leading next-generation solar technology, with costs likely to decrease as adoption grows. Trina’s CEO Gao Jifan emphasized the company’s commitment to advancing passivated solar technology. solar panels cells
HJT currently represents a small market share, projected to grow from 7% in 2024 to 9% in 2026, while TopCON cells are expected to dominate. Trina highlighted this milestone as a breakthrough for single-crystalline silicon solar cell module efficiency.
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