/learn/publications/b/blog/posts/new-solar-thermal-panels-3-times-more-efficient-than-solar-cellLab image of the tube cell structure Solar cells are about 8% efficient in converting light to energy, at least between the hours of 10AM and 2PM. Researchers, led by David Carroll PhD, from Wake Forest University (WFU) say there is more t...en-USTelligent Community 12