China's Breakthrough Solar Cells Achieve 23.4% Efficiency

Scientists at China's Westlake University have developed ultra-thin, flexible tandem solar cells with a record 23.4% efficiency. Combining perovskite and CIGS layers, these cells are suitable for wearable devices, curved buildings, electric vehicles, and aerospace. Overcoming challenges in forming smooth perovskite layers, the breakthrough offers lightweight, cost-effective alternatives to traditional solar panels, with applications across multiple industries, highlighting China's role in solar innovation.