Perovskite solar cells are considered a game-changing energy source in space, and here's why.
Satellites in low Earth orbit need a reliable source of power while orbiting the planet, and solar panels were the best. A common choice for space-friendly solar cells has been gallium arsenide panels. They have an efficiency of about 30%, which is good, and they are durable, but they are also expensive. Because gallium, a soft silver metal, is difficult to find and requires a complex manufacturing process.
Discover the potential of perovskite solar cells. They are less expensive to produce, can be used in flexible polymer films, and in terms of efficiency, they are much faster than gallium arsenide. However, the stability of perovskite solar cells is still being worked out.
Tampa-based Merida Aerospace, a four-year-old "vertical space" startup, said it will return to developing perovskite solar cells for satellites. "Thanks to the self-healing effect, perovskite solar cells have shown exceptional resistance to high-energy radiation in space conditions," said research engineer Andrea Markus, who leads the development project. "In addition, the arrangement of the perovskite crystals affects the temperature of the room," which improves their ability to absorb light.
Merida Aerospace joins major companies already testing the potential of perovskites in space. In May 2023, Dr. NASA research engineer Lindsay McMillon Brown successfully demonstrated perovskite stability in space during experiments on the International Space Station. "The perovskite film showed unexpected flexibility and regenerative properties. This opened up exciting possibilities for perovskites in space and challenged previous doubts. In
July
2023, researchers at the University of Sydney in Australia discovered that perovskite solar cells can be regenerated when damaged in space
." Ultra-thin silicon oxide (perovskite)
can
protect
solarcells in space
.
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