Semprius has come up with three key innovations for cheaper solar power
Stacked solar cells could achieve more than 50 percent efficiency and 5 cent per kilowatt hour costs in 3 to 5 years. Semprius has come up with three key innovations for cheaper solar power.
Still the batteries – as far as we know, based on chemical reactions – need innovations quickly to take advantage of this great new technology.
In its designs, Semprius uses tiny individual solar cells, each just a millimeter across. That reduces costs for cooling and also helps improve efficiency
3 Key innovations:
2. a proprietary way to electrically connect cells
3. a new kind of glue for holding the cells together
Re-use crystalline wafers
In addition to being fast and precise, the approach also makes it possible to reuse the expensive crystalline wafers that multi junction solar cells are grown on. Eventually the company hopes to stack two multi junction devices, for a total of five or six semiconductors with a “very high performance, up to 50 percent efficiency,” says Scott Burroughs, vice president of technology at Semprius. He says the company hopes to achieve this in three to five years.
50% more efficiency
Question remains: are these solar panels also available for roofs?
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