Since the ancient Greeks, humankind has known that if you bring two things into contact, a small amount of electricity is created. One example is that we can rub a balloon with our hair and generate enough electricity to stick it to the ceiling.
An ultrathin protective coating proves sufficient to protect a perovskite solar cell from the harmful effects of space and harden it against environmental factors on Earth, according to newly published research from the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL).
Korea Institute of Machinery & Materials (KIMM) has announced the development of the design and process technology for the world’s first battery electrode that significantly improves the performance and stability of batteries used in electronic devices such as smartphones, laptops, and electric vehicles.
Researchers at the University of Chicago’s Pritzker School of Molecular Engineering (PME) have designed a chameleon-like building material that changes its infrared color—and how much heat it absorbs or emits—based on the outside temperature. On hot days, the material can emit up to 92 percent of the infrared heat it contains, helping cool the inside of a building. On colder days, however, the material emits just 7 percent of its infrared, helping keep a building warm.
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As lithium-ion batteries have become a ubiquitous part of our lives through their use in consumer electronics, automobiles and electricity storage facilities, researchers have been working to improve their power, efficiency and longevity.
Nanotechnology researchers at The University of Texas at Dallas have made novel carbon nanotube yarns that convert mechanical movement into electricity more effectively than other material-based energy harvesters.
A solar distillation device can purify brine from reverse osmosis plants with over 10 percent salinity, as well as water taken directly from the Red Sea. The technology offers double the freshwater production rate of existing salt-rejection solar stills.
“We know a great deal about windmills on land, and something about fixed-bottom wind turbines at sea, but much less about floating wind turbines,” says Geir Grasmo, Professor at the University of Agder (UiA).