According to foreign media reports, a research team led by scientist Jeremy Munday of the University of Maryland's Department of Electrical and Computer Engineering has developed a new type of nano-scale solar cells that outperform traditional solar panels and have a higher energy conversion level than current photovoltaics (Photovoltaics) ) Solar cell technology increased by 40%. Solar cells made of nanowire materials can achieve energy conversion rates of 42%, compared with the average conversion rate of photovoltaic materials of 33%, the relevant report has been published in the "Nature" magazine.
The typical solar energy conversion efficiency limit, the so-called Shockley-Queisser Limit, has been the bottleneck of solar cell efficiency. At present, the traditional limit of conversion rate of photovoltaic-sensitive materials is usually around 33%. The application of Wire materials may increase the limit of this conversion efficiency by a few percent, through a single nanoscale solar cell made of nanowires. It has a major impact on the development of solar cells, the use of solar energy based on nanowires, and global energy development.
In addition to a significant increase in conversion efficiency, nanostructured solar cells can allow batteries to be made smaller, and the efficiency of solar cell panels combined by combining these nanoscale materials will far exceed conventional photovoltaic materials. However, research experts said that nanowire materials are still difficult to mass production.
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