Perovskite is a highly efficient solar cell material. It can convert up to 20% of sunlight into electricity and can be made cheaper and easier than silicon. Lately, it’s been showing some drastic improvements in collecting electricity from the sun, leading to a boom in its use.
In the context of solar energy generation, solar panels is one instrument of method of turning light into electricity. It does this by making the electrons and protons on one side of a piece of metal when exposed to sunlight, collide before they pass through to the other side, resulting in a flow of electrons. Solar panels can deliver outstanding energy generation by using silicon, but this expensive and bulky material will soon be replaced by perovskite.
Perovskite has shown enormous potential to become a solar power-generating material because it can create electricity from less sun energy and made cheaply and in large quantities. But just because it’s cheaper and efficient doesn’t mean that it’s the best technology for harnessing solar energy. Scientists from HZB beg to differ.
According to Renewables Now, perovskite’s huge promise is truly paying off with a whopping 28.7% energy efficiency in converting sunlight. Read the full report below.
Cells announced on Monday that it has achieved a record efficiency of 28.7% for a 2-terminal perovskite-silicon tandem solar cell in collaboration with researchers at Helmholtz-Zentrum Berlin (HZB).
The photovoltaics (PV) maker, with dual headquarters in Seoul, South Korea and Thalheim, Germany, said in a statement that it set the new world record using a Q.ANTUM-based silicon bottom cell in combination with a perovskite-based top cell. It has achieved an improvement of almost one percentage point compared with the prior record of 27.8%, set in 2020.
The German Federal Ministry for Economic Affairs and Climate Action (BMWK) and the state of Saxony-Anhalt partially funded the research and development (R&D) work associated with this record, according to the announcement.
Q Cells pointed out that while even higher perovskite-tandem cell efficiencies have already been achieved in the solar research community, these were registered using lab technology not directly transferrable into mass production. (Continue reading to learn more)
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