Multi-layered solar cells stand on the brink of 50% efficiency, but the practical benefits of such high-efficiency cells are more likely to be realized in space than on Earth, as Richard Stevenson explains

中文翻译：

---

太阳能超级大国

正如理查德史蒂文森解释的那样，多层太阳能电池正处于 50% 效率的边缘，但这种高效电池的实际优势在太空中比在地球上更有可能实现