UNIST Reports Over 31% Efficiency in Ambient‑Air Solar Cells, Advancing Mass Production

Scientists at Ulsan National Institute of Science and Technology (UNIST) announced a breakthrough in solar cell performance. They recorded an efficiency exceeding 31% when the cells operated in ambient air conditions. The result narrows the gap between laboratory prototypes and commercially viable panels. UNIST claims the achievement reduces manufacturing complexity for large‑scale production. The development targets what researchers call “dream solar cells” with high output and low cost. The team attributes the gain to novel material engineering and processing techniques. Industry observers see the finding as a step toward more affordable renewable energy. Further testing will determine the stability and scalability of the technology.