Energy & Green Tech
An international team of engineers and materials scientists has developed a lithium-sulfur battery capable of retaining 80% of its charge capacity after 25,000 cycles. Their paper is published in the journal Nature.
Electronics & Semiconductors
A team of researchers, led by Domenico Giustiniano, Research Associate Professor at IMDEA Networks Institute, Madrid, has presented important advances in the creation of sustainable wireless communication systems. This represents ...
Oct 28, 2021
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481
Energy & Green Tech
Scientists led by an Oregon State University researcher have developed a new electrolyte that raises the efficiency of the zinc metal anode in zinc batteries to nearly 100%, a breakthrough on the way to an alternative to ...
Mar 27, 2023
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478
Energy & Green Tech
"It is the first domestic commercial unit with zero direct and indirect emissions. Currently, there are already units that use the same technology as ours, which is aerothermal energy, but they do not use a natural fluid ...
Apr 6, 2022
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471
Energy & Green Tech
Hydrogen fuel cell cars emerged as an alternative to both the electric and combustion engine vehicle in the early 2000s. They were widely considered an avenue towards universal green motoring. Powered through a chemical reaction ...
Nov 30, 2022
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468
Energy & Green Tech
In any conventional silicon-based solar cell, there is an absolute limit on overall efficiency, based partly on the fact that each photon of light can only knock loose a single electron, even if that photon carried twice ...
Jul 3, 2019
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468
Energy & Green Tech
A research group at the Norwegian University of Science and Technology (NTNU) has developed a method for making an ultra-high material efficient solar cell using semiconductor nanowires. If this is placed on top of a traditional ...
Nov 5, 2021
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5693
Energy & Green Tech
Researchers at the University of California, Irvine and four national laboratories have devised a way to make lithium-ion battery cathodes without using cobalt, a mineral plagued by price volatility and geopolitical complications.
Sep 21, 2022
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790
Engineering
Motivated by the need to eliminate expensive rare-earth magnets in utility-scale direct-drive wind turbines, Sandia National Laboratories researchers developed a fundamentally new type of rotary electrical contact. Sandia ...
Sep 8, 2022
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2280
Energy & Green Tech
In the first evaluation of evaporation as a renewable energy source, researchers at Columbia University find that U.S. lakes and reservoirs could generate 325 gigawatts of power, nearly 70 percent of what the United States ...
Sep 26, 2017
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