Paper-thin solar cell can turn any surface into a power source
MIT engineers have developed ultralight fabric solar cells that can quickly and easily turn any surface into a power source.
Dec 9, 2022
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Energy & Green Tech
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Energy & Green Tech
Spain's recent power outage: What happened and why it matters
On April 28, Spain experienced a widespread power outage that left millions without electricity for nearly a full 24 hours. While power has largely been restored, the cause of the failure is still under investigation. Early ...
May 5, 2025
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489
Electronics & Semiconductors
Wireless communication devices without batteries? Research and sustainability, united through light
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
New electrolyte enables high efficiency of safe, sustainable zinc batteries
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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479
Energy & Green Tech
The first heat pump for domestic use with zero carbon dioxide emissions
"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
A new method using nanowires can make solar panels much more efficient and much cheaper
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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Energy & Green Tech
The days of the hydrogen car are already over
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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Energy & Green Tech
Experiments show dramatic increase in solar cell output
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
Engineering
Novel rotary electrical contact eliminates reliance on rare-earth magnets for large-scale wind turbines
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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Energy & Green Tech
Researchers develop a cobalt-free cathode for lithium-ion batteries
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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