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Study co-led by Berkeley Lab reveals how wavelike plasmons could power up a new class of sensing and photochemical technologies at the nanoscale.

Wavelike, collective oscillations of electrons known as “plasmons” are very important for determining the optical and electronic properties of metals.

In atomically thin 2D materials, plasmons have an energy that is more useful for applications, including sensors and communication devices, than plasmons found in bulk metals. But determining how long plasmons live and whether their energy and other properties can be controlled at the nanoscale (billionths of a meter) has eluded many.

To encourage businesses to invest in new technologies, the European Union funds industrial research partnerships worth billions of euros in fields such as clean aviation and hydrogen fuel cells. It also offers direct grants to tech startups, and when Horizon Europe launches next year, it plans to offer them equity investments, too.

Report says scientific output is not translating into innovation.

As 5G hits the market, new U.S. Army-funded research has developed a radio-frequency switch that is over 50 times more energy efficient than what is used today.

A thin, iron-based generator uses waste heat to provide small amounts of power.

Researchers have found a way to convert heat energy into electricity with a nontoxic material. The material is mostly iron which is extremely cheap given its relative abundance. A generator based on this material could power small devices such as remote sensors or wearable devices. The material can be thin so it could be shaped into various forms.

There’s no such thing as a free lunch, or free energy. But if your energy demands are low enough, say for example in the case of a small sensor of some kind, then there is a way to harness heat energy to supply your power without wires or batteries. Research Associate Akito Sakai and group members from his laboratory at the University of Tokyo Institute for Solid State Physics and Department of Physics, led by Professor Satoru Nakatsuji, and from the Department of Applied Physics, led by Professor Ryotaro Arita, have taken steps towards this goal with their innovative iron-based thermoelectric material.

ZeroAvia’s hydrogen fuel cell could be a game-changer for aircraft of all sizes.

The MIT researchers say that the average used car battery could provide up to a decade of backup storage for solar grids.

Circa 2017

Electric car purchases have been on the rise lately, posting an estimated 60 percent growth rate last year. They’re poised for rapid adoption by 2022, when EVs are projected to cost the same as internal combustion cars. However, these estimates all presume the incumbent lithium-ion battery remains the go-to EV power source. So, when researchers this week at the University of Texas at Austin unveiled a new, promising lithium- or sodium–glass battery technology, it threatened to accelerate even rosy projections for battery-powered cars.

“I think we have the possibility of doing what we’ve been trying to do for the last 20 years,” says John Goodenough, coinventor of the now ubiquitous lithium-ion battery and emeritus professor at the Cockrell School of Engineering at the University of Texas, Austin. “That is, to get an electric car that will be competitive in cost and convenience with the internal combustion engine.” Goodenough added that this new battery technology could also store intermittent solar and wind power on the electric grid.

Continue reading “Will a New Glass Battery Accelerate the End of Oil?” »

By harvesting the everyday energy of static electricity, scientists may have found the world’s most plentiful source of renewable, sustainable power.

Prof. Dong Sung Kim and his joint research team presented a new technology that can increase the amount of power generated by a triboelectric nanogenerator. The research team developed a high-efficiency integrated circuit to obtain reliable and practical electrical energy from the triboelectric nanogenerator.