Researchers from North Carolina State University have managed to improve the connectivity between stacked solar cells, thereby increasing the overall efficiency of photovoltaic systems and reducing the cost of photovoltaic power generation. According to the school, the new connection allows the cell to operate at up to 70,000 solar energy densities without losing too much voltage, energy or heat. Stacked solar cells consist of several solar cells stacked one after the other. At present, the stacked solar cell is the most efficient cell in the market, and the photoelectric conversion efficiency can reach 45%. According to researchers at North Carolina State University, however, to ensure efficiency, photovoltaic cell designers need to ensure that the junctions of these cells do not absorb any solar energy and do not absorb the voltage generated by the cells. Salah Bedair, a professor of electrical engineering in North Carolina and lead author of the paper, said that we have found that by embedding a very thin layer of gallium arsenide film in stacked cell contacts, almost any voltage loss can be eliminated without Block any solar energy. Bedair added that this will cut the overall cost of the energy industry, rather than creating large and expensive photovoltaic cells. You can use smaller cells to absorb more solar energy through condensers to generate more electricity, and condensers. The price is relatively cheap. (Compiled by Tao Shuhua)
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