Photovoltaic
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Dutch company Lightyear has unveiled what it claims is the world's first production-ready solar car. The Lightyear 0 is a family sedan with 5 sq m (53.8 sq ft) of solar panels built in, capable of generating up to 70 km of charge-free driving a day.
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German automotive startup Sono Motors has announced that 37 series-validation prototypes are being produced to take the Sion solar electric family car through validation and certification, ahead of planned series production in 2023.
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Ordinarily, water is used to clean off the layer of dust that continuously accumulates on solar panels. In arid regions, however, doing so can be challenging. A new system addresses this problem, by substituting electrostatic repulsion for water.
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In order to keep running at peak efficiency, solar panels regularly have to be cleaned of accumulated dust and other debris. Such panels can be difficult to reach, though, which is why the Helios system uses not one but two drones to do the job.
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While solar farms are a source of green energy, many people don't like the fact that they occupy land which could be otherwise utilized. A new project is exploring an alternative, by placing solar panels over canals that will benefit from the shade.
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In remote desert locations, at least two things are likely to be lacking: an electrical grid, and a source of water for agriculture. An experimental new system addresses both problems, by combining photovoltaic panels with an absorbent hydrogel.
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Heating and cooling buildings is a major consumer of energy, especially older ones that weren’t built with modern energy efficiencies in mind. Now Fraunhofer engineers have developed a modular solar-powered facade that can heat or cool rooms.
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Solar panels continuously accumulate dust, plus they're often located atop tall buildings or in remote areas – this means that they need to be cleaned, but doing so is difficult. That's why a drone-based setup is now being developed to do the job.
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Material scientists in China experimenting with carbon in its many forms have conjured up a form of glass so hard that it can scratch the surface of a diamond, while also having the ability to act as semiconductor.
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German startup Sono Motors has introduced new battery technology for its forthcoming Sion electric vehicle that promises to not only power the vehicle across longer trips but allow higher charging rates in between.
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Maxeon Solar Technologies reckons that it's come up with a way to install PV panels on the roofs of buildings that may not be able to support conventional setups, creating frameless, thin and lightweight panels that can be adhered directly to a roof.
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Ahead of scheduled production of its PV-packing battery electric family car next year, German startup Sono Motors is joining forces with MAN Truck & Bus to trial integrating solar cells into an electric panel van.
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