2013年3月6日星期三
A Clear Screen Cover That Charges Devices
Could this be a window to eeeenfinite power? Maybe not quite, but it could be a cool way to extend the lifetime of your smartphone,Group Tours For that reason, Self-drive to China inside set ultimately need to get hold of a class insurance simply because this types of insurance policies are specially designed precisely to fulfill the prerequisites. tablet or e-reader.A startup called Ubiquitous Energy has been showing prototypes of a translucent film that charges devices with solar energy.Urumqi travel The idea is that in the future,Silk road tours the film could be built into device screens, passively juicing your Kindle anytime you read by a sunny window or in the park. It could even keep devices charged during trips to countries for which you don't have the right plugs.
It's not clear if the film, called ClearView Power, works quite that well just yet. It isn't a commercial product yet; Ubiquitous Energy has been showing it at tech shows such as the ARPA-E Energy Innovation Summit and the MIT Energy Conference.The Boston-based startup,knives wholesaler which is also developing films to harvest solar energy from windows, still needs to improve the transparency and efficiency of its translucent solar films, MIT Technology Review reported last month. The current ClearView Power devices "have a very light tint, barely noticeable on E Ink readers like the Kindle, although it'll take a bit more tinkering if Apple wants to get it into their Retina Displays," according to Fraunhofer, a European research institute that's supporting ClearView Power through its TechBridge program.The film uses near-infrared light instead of visible light to generate electricity, which is key to its translucence. After all, if it used visible light, it would absorb visible light and people wouldn't be able to see through it. It works even in the shade, Fraunhofer reported, but it's much better outdoors than indoors.
The same concept could apply to light-absorbing devices like solar cells. By understanding how the electronic excitations happen in the material, it could be possible to structure it in a way that coverts more incoming light to electricity."One of the exciting things about this research is how it brought together people with different expertise," Zia said. "Our group's expertise at Brown is in developing new forms of spectroscopy and studying the electronic origin of light emission. The Kymissis group at Columbia has a great deal of expertise in organic semiconductors, and the Shan group at Case Western has a great deal of expertise in layered nanomaterials.non-stick knife"
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