Solar energy industry experts say the development of tandem panels could increase the efficiency of solar power.
What Happened: Tandem solar panels, which stack two solar materials on top of each other to capture more of the sun’s energy, achieved a record-breaking 33.89% efficiency.
This is a significant leap from the 20-22% efficiency of commercially available solar panels, reported Wired, citing a study published in Nature.
The tandem solar cells, developed by a team of researchers at the energy giant LONGi, combine silicon and perovskite materials. This innovation allows the cells to capture an additional 60% of solar energy. It also reduced the number of panels required to produce the same energy. It also cuts installation costs and land requirements for solar farms.
See Also: Elon Musk Says The World Isn’t Using The Sun’s Energy Enough Because Most People Don’t Do The Math
While the current efficiency of silicon solar cells is limited to about 29%, perovskite materials, discovered less than two decades ago, have emerged as the ideal complement to silicon technology. Their light absorption tunability allows them to capture high-energy blue light more efficiently than silicon, thereby increasing the total tandem efficiency.
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